dabase column field type changes

Reviewed-on: #9

.dockerignore

@@ -0,0 +1,19 @@
+.git
+.gitignore
+__pycache__
+*.pyc
+*.pyo
+*.pyd
+.Python
+env/
+venv/
+*.egg-info/
+dist/
+build/
+.vscode/
+.idea/
+*.log
+.env
+instance/
+.pytest_cache/
+.coverage

.env

@@ -0,0 +1,26 @@
+# -----------------------------
+# Flask App Configuration
+# -----------------------------
+FLASK_ENV=development
+FLASK_DEBUG=True
+FLASK_HOST=0.0.0.0
+FLASK_PORT=5011
+
+# -----------------------------
+# Security
+# -----------------------------
+SECRET_KEY=change-this-to-strong-secret-key
+
+# -----------------------------
+# Database Configuration
+# -----------------------------
+DB_DIALECT=mysql
+DB_DRIVER=pymysql
+DB_HOST=127.0.0.1
+DB_PORT=3306
+DB_NAME=comparisondb
+DB_USER=root
+DB_PASSWORD=root
+
+# DATABASE_URL=mysql+pymysql://root:root@localhost/comparisondb
+

.gitignore

@@ -1,9 +1,19 @@
-# Ignore folders
+# Python
-instance/
+app/__pycache__/
-static/uploads/
+*.pyc
+*.pyo
+*.pyd
+*.__pycache__
 
-# Ignore files
+# Ingnor upload files
-.env
+app/static/uploads/
 
-# Ignore by type
+# Ignore env files
+venv
+
+# Ignore Log files ss
+logs/
 *.log
+
+
+

Dockerfile

@@ -0,0 +1,24 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    gcc \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements and install Python dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code
+COPY . .
+
+# Create necessary directories
+RUN mkdir -p app/logs app/static/uploads app/static/downloads
+
+# Expose port
+EXPOSE 5001
+
+# Run the application
+CMD ["python", "run.py"]

README.md

@@ -1,3 +1,583 @@
-# Comparison_Project
+# Comparison Project - Backend Documentation
 
-Comparison Project 
+A Flask-based web application for comparing and managing construction project data (excavation and manhole work) between subcontractors and clients. The system imports data from Excel files, stores it in a database, and generates comparison reports.
+
+## Table of Contents
+
+- [Project Overview](#project-overview)
+- [Tech Stack](#tech-stack)
+- [Project Structure](#project-structure)
+- [Database Schema](#database-schema)
+- [Application Flow](#application-flow)
+- [API Routes & Endpoints](#api-routes--endpoints)
+- [Setup & Installation](#setup--installation)
+
+---
+
+## Project Overview
+
+The Comparison Project is designed to:
+- **Manage subcontractors** and their excavation data (Manhole Excavation, Trench Excavation, Domestic Chambers)
+- **Import client-side project data** for comparison
+- **Compare subcontractor work** against client specifications
+- **Generate detailed reports** highlighting differences between client and subcontractor data
+- **User authentication** with login/registration system
+
+### Key Features
+
+✅ User Authentication (Register/Login/Logout)  
+✅ Subcontractor Management (Add/Edit/List/Delete)  
+✅ File Import (Excel/CSV) for both Client and Subcontractor data  
+✅ Data validation and duplicate detection  
+✅ Comparison Reports with Excel export  
+✅ Dashboard with file management  
+
+---
+
+## Tech Stack
+
+**Backend Framework**: Flask  
+**Database**: SQL Database (MySQL/PostgreSQL/SQLite configured via environment variables)  
+**ORM**: SQLAlchemy  
+**File Processing**: Pandas, OpenPyXL, XlsxWriter  
+**Authentication**: Werkzeug (Password hashing)  
+**Configuration**: Python Dotenv  
+
+### Dependencies
+
+```
+Flask
+pandas
+openpyxl
+xlrd
+Werkzeug
+python-dotenv
+cryptography
+xlsxwriter
+matplotlib 
+
+```
+
+---
+
+## Project Structure
+
+```
+Comparison_Project/
+├── run.py                          # Application entry point
+├── requirements.txt                # Python dependencies
+├── .env                            # Environment variables (DB, secrets)
+├── README.md                       # This file
+│
+├── app/
+│   ├── __init__.py                # Flask app initialization
+│   ├── config.py                  # Configuration settings
+│   │
+│   ├── models/                    # Database models (SQLAlchemy ORM)
+│   │   ├── user_model.py          # User table schema
+│   │   ├── subcontractor_model.py # Subcontractor table schema
+│   │   ├── manhole_excavation_model.py        # Subcontractor MH excavation
+│   │   ├── trench_excavation_model.py         # Subcontractor Trench excavation
+│   │   ├── manhole_domestic_chamber_model.py  # Subcontractor Domestic chamber
+│   │   ├── mh_ex_client_model.py   # Client MH excavation
+│   │   ├── tr_ex_client_model.py   # Client Trench excavation
+│   │   └── mh_dc_client_model.py   # Client Domestic chamber
+│   │
+│   ├── routes/                    # Flask Blueprints (API endpoints)
+│   │   ├── auth.py                # Login, Register, Logout
+│   │   ├── dashboard.py           # Dashboard page
+│   │   ├── file_import.py         # File upload endpoints
+│   │   ├── file_report.py         # Fetch and format data for reports
+│   │   ├── generate_comparison_report.py  # Comparison logic & Excel export
+│   │   ├── subcontractor_routes.py        # CRUD for subcontractors
+│   │   ├── user.py                # User management routes
+│   │   └── file_format.py         # File format validation
+│   │
+│   ├── services/                  # Business logic layer
+│   │   ├── db_service.py          # Database connection & SQLAlchemy init
+│   │   ├── file_service.py        # File parsing & data insertion
+│   │   └── user_service.py        # User authentication logic
+│   │
+│   ├── utils/                     # Helper functions
+│   │   ├── file_utils.py          # File path utilities
+│   │   ├── helpers.py             # Decorators, common helpers
+│   │   └── __pycache__/
+│   │
+│   ├── static/                    # Static assets
+│   │   ├── css/                   # Stylesheets
+│   │   ├── images/                # Images
+│   │   ├── uploads/               # Uploaded files directory
+│   │   │   ├── Client_Bill_1/
+│   │   │   └── sub_1/
+│   │   └── downloads/             # Generated reports
+│   │
+│   ├── templates/                 # Jinja2 HTML templates
+│   │   ├── base.html              # Base template
+│   │   ├── login.html
+│   │   ├── register.html
+│   │   ├── dashboard.html
+│   │   ├── file_import.html
+│   │   ├── file_import_client.html
+│   │   ├── file_format.html
+│   │   ├── file_report.html
+│   │   ├── generate_comparison_report.html
+│   │   ├── generate_comparison_client_vs_subcont.html
+│   │   ├── list_user.html
+│   │   ├── report.html
+│   │   ├── users.htm
+│   │   └── subcontractor/
+│   │       ├── add.html
+│   │       ├── edit.html
+│   │       └── list.html
+│   │
+│   └── logs/                      # Application logs
+│
+├── instance/                      # Instance folder (DB, temp files)
+└── logs/                          # Root level logs
+```
+
+---
+
+## Database Schema
+
+### 1. **Users Table** (`users`)
+Stores user authentication data.
+
+| Column | Type | Constraints | Purpose |
+|--------|------|-------------|---------|
+| `id` | Integer | Primary Key | User identifier |
+| `name` | String(120) | NOT NULL | User's full name |
+| `email` | String(120) | UNIQUE, NOT NULL | User's email |
+| `password_hash` | String(255) | NOT NULL | Hashed password (Werkzeug) |
+
+**Key Methods:**
+- `set_password(password)` - Hash and store password
+- `check_password(password)` - Verify password
+
+---
+
+### 2. **Subcontractors Table** (`subcontractors`)
+Stores subcontractor company information.
+
+| Column | Type | Constraints | Purpose |
+|--------|------|-------------|---------|
+| `id` | Integer | Primary Key | Subcontractor ID |
+| `subcontractor_name` | String(255) | NOT NULL | Company name |
+| `address` | String(500) | - | Company address |
+| `gst_no` | String(50) | - | GST number |
+| `pan_no` | String(50) | - | PAN number |
+| `mobile_no` | String(20) | - | Contact phone |
+| `email_id` | String(150) | - | Contact email |
+| `contact_person` | String(150) | - | Contact person name |
+| `status` | String(20) | Default: "Active" | Active/Inactive status |
+| `created_at` | DateTime | Default: today | Record creation date |
+
+**Relationships:**
+- One-to-Many with `manhole_excavation`
+- One-to-Many with `trench_excavation`
+- One-to-Many with `manhole_domestic_chamber`
+
+---
+
+### 3. **Manhole Excavation (Subcontractor)** (`manhole_excavation`)
+Stores manhole excavation work data from subcontractors.
+
+| Column Type | Purpose |
+|-----|---------|
+| `id` | Primary Key |
+| `subcontractor_id` | Foreign Key → Subcontractor |
+| `Location` | Worksite location |
+| `MH_NO` | Manhole number |
+| `RA_Bill_No` | RA Bill reference (for grouping) |
+| `Upto_IL_Depth`, `Cutting_Depth`, `ID_of_MH_m`, `Ex_Dia_of_Manhole`, `Area_of_Manhole` | Dimension fields |
+| **Excavation Categories** (by depth ranges): | |
+| Soft_Murum_0_to_1_5, Soft_Murum_1_5_to_3_0, etc. | Material type + depth range |
+| Hard_Murum_0_to_1_5, Hard_Murum_1_5_to_3_0, etc. | Hard mudstone layers |
+| Soft_Rock_0_to_1_5, Soft_Rock_1_5_to_3_0, etc. | Soft rock layers |
+| Hard_Rock_0_to_1_5 through Hard_Rock_6_0_to_7_5 | Hard rock layers |
+| **Totals** | Sum per category |
+| `Total` | Grand total excavation |
+| `Remarks`, `created_at` | Notes and timestamp |
+
+---
+
+### 4. **Trench Excavation (Subcontractor)** (`trench_excavation`)
+Stores trench/sewer line excavation work data from subcontractors.
+
+**Similar structure to Manhole Excavation with additional fields:**
+- Width categories: `Width_0_to_2_5`, `Width_2_5_to_3_0`, etc.
+- `Avg_Depth`, `Actual_Trench_Length`, `Pipe_Dia_mm`
+
+---
+
+### 5. **Manhole Domestic Chamber (Subcontractor)** (`manhole_domestic_chamber`)
+Stores domestic chamber construction data.
+
+| Key Fields | Purpose |
+|-----------|---------|
+| `id`, `subcontractor_id` | Primary & Foreign Key |
+| `Location`, `MH_NO`, `RA_Bill_No` | Identification |
+| `Depth_of_MH`, `MH_TOP_LEVEL`, `MH_IL_LEVEL` | Dimensions |
+| `d_0_to_1_5` through `d_6_0_to_6_5` | Depth-based excavation categories |
+| `Domestic_Chambers` | Count of chambers |
+| `DWC_Pipe_Length`, `UPVC_Pipe_Length` | Pipe lengths |
+
+---
+
+### 6-8. **Client Data Tables** (Similar structure to subcontractor models)
+
+- **`mh_ex_client`** - Manhole Excavation (Client specifications)
+- **`tr_ex_client`** - Trench Excavation (Client specifications)
+- **`mh_dc_client`** - Manhole Domestic Chamber (Client specifications)
+
+**Note:** Client tables do NOT have `subcontractor_id` as they represent client baseline data.
+
+---
+
+## Application Flow
+
+### 1. **User Authentication Flow**
+```
+User Access (/) 
+  ↓
+Redirect to /login
+  ↓
+[Login Page]
+  ├─ POST /auth/login
+  │   ↓
+  │   UserService.validate_login(email, password)
+  │   ↓
+  │   Query User table, verify password
+  │   ↓
+  │   Set session["user_id"], session["user_name"]
+  ↓
+Redirect to /dashboard
+```
+
+### 2. **Subcontractor File Import Flow**
+```
+User → /file/import [GET]
+  ↓
+Display form with subcontractor dropdown
+  ↓
+User selects subcontractor & uploads Excel file
+  ↓
+POST /file/import
+  ↓
+FileService.handle_file_upload()
+  ├─ Validate file type (xlsx, xls, csv)
+  ├─ Create upload folder: static/uploads/sub_{id}/
+  ├─ Save file
+  │
+  ├─ Read Excel sheets:
+  │  ├─ "Tr.Ex." (Trench Excavation)
+  │  ├─ "MH Ex." (Manhole Excavation)
+  │  └─ "MH & DC" (Manhole & Domestic Chamber)
+  │
+  ├─ Process each sheet:
+  │  ├─ Normalize column names
+  │  ├─ Clean data (handle NaN, empty values)
+  │  ├─ Check for duplicates by (Location, MH_NO, RA_Bill_No, subcontractor_id)
+  │  ├─ Insert records into respective tables
+  │  └─ Commit to database
+  │
+  └─ Return success/error message
+```
+
+### 3. **Client File Import Flow**
+```
+User → /file/import_client [GET]
+  ↓
+Display form for client file upload
+  ↓
+User uploads Excel file with client specifications
+  ↓
+POST /file/import_client
+  ↓
+FileService.handle_client_file_upload()
+  ├─ Validate & save file
+  ├─ Read sheets: "Tr.Ex.", "MH Ex.", "MH & DC"
+  ├─ Process and insert into:
+  │  ├─ mh_ex_client
+  │  ├─ tr_ex_client
+  │  └─ mh_dc_client
+  └─ Return status
+```
+
+### 4. **Comparison Report Generation Flow**
+```
+User → /report/generate_comparison [GET]
+  ↓
+Display form to select RA Bill No.
+  ↓
+User selects bill number
+  ↓
+POST /report/generate_comparison
+  ↓
+generate_report_bp routes request
+  ├─ Fetch client data (mh_ex_client, tr_ex_client, mh_dc_client)
+  ├─ Fetch subcontractor data (by RA_Bill_No)
+  ├─ For each record type:
+  │  ├─ Create lookup table by (Location, MH_NO)
+  │  ├─ Match client records with subcontractor records
+  │  ├─ Calculate totals for each category
+  │  ├─ Compute differences/variances
+  │  └─ Format for Excel output
+  │
+  ├─ Generate Excel file with comparison results:
+  │  ├─ Summary sheet
+  │  ├─ Detailed Trench Excavation comparison
+  │  ├─ Detailed Manhole Excavation comparison
+  │  └─ Detailed Domestic Chamber comparison
+  │
+  └─ Send file to client as download
+```
+
+### 5. **Dashboard & Data Retrieval Flow**
+```
+User → /dashboard [GET]
+  ↓
+Check session["user_id"] (authentication)
+  ↓
+Render dashboard.html
+  ├─ Display available reports
+  ├─ List recent RA Bills
+  ├─ Show subcontractor list
+  └─ Provide navigation to:
+     ├─ File import
+     ├─ Reports
+     ├─ Subcontractor management
+     └─ Logout
+```
+
+---
+
+## API Routes & Endpoints
+
+### Authentication Routes (`/auth`)
+| Method | Endpoint | Purpose | Auth |
+|--------|----------|---------|------|
+| GET/POST | `/login` | Login form & validation | ❌ |
+| GET/POST | `/register` | User registration | ❌ |
+| GET | `/logout` | Clear session & logout | ✅ |
+
+### Dashboard Route (`/dashboard`)
+| Method | Endpoint | Purpose | Auth |
+|--------|----------|---------|------|
+| GET | `/dashboard/` | Main dashboard | ✅ |
+
+### Subcontractor Routes (`/subcontractor`)
+| Method | Endpoint | Purpose | Auth |
+|--------|----------|---------|------|
+| GET | `/subcontractor/add` | Add form | ✅ |
+| POST | `/subcontractor/save` | Save new subcontractor | ✅ |
+| GET | `/subcontractor/list` | List all subcontractors | ✅ |
+| GET | `/subcontractor/edit/<id>` | Edit form | ✅ |
+| POST | `/subcontractor/update/<id>` | Update subcontractor | ✅ |
+| GET | `/subcontractor/delete/<id>` | Delete subcontractor | ✅ |
+
+### File Import Routes (`/file`)
+| Method | Endpoint | Purpose | Auth |
+|--------|----------|---------|------|
+| GET/POST | `/file/import` | Subcontractor file upload | ✅ |
+| GET/POST | `/file/import_client` | Client file upload | ✅ |
+| GET/POST | `/file/report` | View imported data report | ✅ |
+
+### Report Routes (`/report`)
+| Method | Endpoint | Purpose | Auth |
+|--------|----------|---------|------|
+| GET/POST | `/report/generate_comparison` | Generate comparison report | ✅ |
+| GET/POST | `/report/generate_comparison_client_vs_subcont` | Alternative comparison | ✅ |
+
+### User Routes (`/user`)
+| Method | Endpoint | Purpose | Auth |
+|--------|----------|---------|------|
+| GET | `/user/list` | List all users | ✅ |
+| Other | (Check routes) | User management | ✅ |
+
+### File Format Route (`/format`)
+| Method | Endpoint | Purpose | Auth |
+|--------|----------|---------|------|
+| GET/POST | `/format/...` | File format reference | ✅ |
+
+---
+
+## Setup & Installation
+
+### Prerequisites
+- Python 3.7+
+- MySQL/PostgreSQL (or SQLite for development)
+- pip (Python package manager)
+
+### 1. Clone & Install Dependencies
+```bash
+cd d:\New folder\Comparison\Comparison_Project
+pip install -r requirements.txt
+```
+
+### 2. Configure Environment Variables
+Create a `.env` file in the project root:
+```env
+# -----------------------------
+# Flask App Configuration
+# -----------------------------
+FLASK_ENV=development
+FLASK_DEBUG=True
+FLASK_HOST='0.0.0.0'
+FLASK_PORT=5001
+
+# -----------------------------
+# Security
+# -----------------------------
+SECRET_KEY=change-this-to-strong-secret-key
+
+# -----------------------------
+# Database Configuration
+# -----------------------------
+DB_DIALECT=mysql
+DB_DRIVER=pymysql
+DB_HOST=127.0.0.1
+DB_PORT=3306
+DB_NAME=comparisondb
+DB_USER=root
+DB_PASSWORD=your_password
+
+
+```
+
+### 3. Initialize Database
+```bash
+python run.py
+```
+This will:
+- Load environment variables
+- Create Flask app with configuration
+- Initialize SQLAlchemy
+- Create all tables (if not exist)
+- Start Flask development server
+
+### 4. Access Application
+Open browser: `http://127.0.0.1:5000/`
+- First time: Redirect to `/login`
+- Register a new account
+- Login and start using the application
+
+---
+
+## Key Services & Utilities
+
+### FileService (`app/services/file_service.py`)
+**Purpose:** Handles file uploads, parsing, and data validation
+
+**Key Methods:**
+- `handle_file_upload(file, subcontractor_id, RA_Bill_No)` - Upload & process subcontractor file
+- `handle_client_file_upload(file, RA_Bill_No)` - Upload & process client file
+- `process_trench_excavation(df, subcontractor_id, RA_Bill_No)` - Parse & insert trench data
+- `process_manhole_excavation(df, subcontractor_id, RA_Bill_No)` - Parse & insert manhole data
+- `process_manhole_domestic_chamber(df, subcontractor_id, RA_Bill_No)` - Parse & insert chamber data
+
+### UserService (`app/services/user_service.py`)
+**Purpose:** User authentication & management
+
+**Key Methods:**
+- `register_user(name, email, password)` - Register new user
+- `validate_login(email, password)` - Authenticate user
+- `get_all_users()` - Fetch all users
+
+### DBService (`app/services/db_service.py`)
+**Purpose:** Database connection & SQLAlchemy initialization
+
+**Exports:**
+- `db` - SQLAlchemy instance for ORM operations
+- `migrate` - Flask-Migrate for schema migrations
+
+---
+
+## Authentication & Security
+
+### Session Management
+- Uses Flask `session` object
+- Stores `user_id` and `user_name` after successful login
+- `@login_required` decorator validates authenticated requests
+
+### Password Security
+- Passwords hashed using Werkzeug's `generate_password_hash()`
+- Verification via `check_password_hash()`
+- No plaintext passwords stored in database
+
+### File Security
+- File uploads sanitized with `secure_filename()`
+- Only allowed extensions: `.xlsx`, `.xls`, `.csv`
+- Files stored in user-specific subfolders
+
+---
+
+## Error Handling & Validation
+
+### File Import Validation
+1. **File Type Check** - Only CSV/XLS/XLSX allowed
+2. **Sheet Validation** - Required sheets must exist
+3. **Column Normalization** - Auto-fixes column name inconsistencies
+4. **Data Type Conversion** - Converts to appropriate types
+5. **Duplicate Detection** - Prevents duplicate records by (Location, MH_NO, RA_Bill_No)
+6. **Null Handling** - Converts empty/NaN values to None
+
+### Database Constraints
+- Foreign key relationships enforced
+- Unique email constraint on users
+- NOT NULL constraints on critical fields
+
+---
+
+## Example: Typical User Workflow
+
+```
+1. User registers/logs in
+   → POST /auth/register (new user) or /auth/login
+   
+2. User adds subcontractors
+   → GET /subcontractor/add
+   → POST /subcontractor/save
+   
+3. User uploads subcontractor data (Excel file with 3 sheets)
+   → GET /file/import
+   → POST /file/import (file, subcontractor_id, RA_Bill_No)
+   → Database populated with excavation data
+   
+4. User uploads client specifications (Excel file with same 3 sheets)
+   → GET /file/import_client
+   → POST /file/import_client (file, RA_Bill_No)
+   → Database populated with client data
+   
+5. User generates comparison report
+   → GET /report/generate_comparison
+   → POST /report/generate_comparison (RA_Bill_No)
+   → System compares client vs subcontractor data
+   → Generates Excel file showing differences
+   → User downloads report
+   
+6. User logs out
+   → GET /auth/logout
+   → Session cleared, redirected to login
+```
+
+---
+
+## Future Enhancements
+
+- [ ] Email notifications for report generation
+- [ ] Data visualization dashboards
+- [ ] Role-based access control (Admin, User, Viewer)
+- [ ] Bulk report generation
+- [ ] Data export to PDF format
+- [ ] Audit logs for data modifications
+- [ ] API documentation (Swagger/OpenAPI)
+- [ ] Unit & integration tests
+
+---
+
+## Support & Contribution
+
+For issues, feature requests, or contributions, please contact the development team.
+
+**Last Updated:** January 2026

app/__init__.py

@@ -1,47 +1,61 @@
-from flask import Flask
+from flask import Flask, redirect, url_for
-from flask_sqlalchemy import SQLAlchemy
 from app.config import Config
-
+from app.services.db_service import db
-db = SQLAlchemy()
+from app.services.logger_service import LoggerService
 
 def create_app():
     app = Flask(__name__)
     app.config.from_object(Config)
 
+    # Initialize extensions
     db.init_app(app)
 
-    # Register Blueprints
+    # Initialize Logger
-    from app.routes.dashboard import dashboard_bp
+    LoggerService.init_app(app)
-    from app.routes.file_import import file_import_bp
-    # from app.routes.user import user_bp
 
-    app.register_blueprint(dashboard_bp)
+    # Register blueprints
-    app.register_blueprint(file_import_bp)
+    register_blueprints(app)
-    # app.register_blueprint(user_bp)
+    # Register error handlers
+    register_error_handlers(app)
 
-    from app.routes.subcontractor_routes import subcontractor_bp
+    # ROOT → LOGIN
-    app.register_blueprint(subcontractor_bp)
+    @app.route("/")
+    def index():
+        return redirect(url_for("auth.login"))
 
     return app
 
 
+def register_blueprints(app):
+    from app.routes.auth import auth_bp
+    from app.routes.user import user_bp
+    from app.routes.dashboard import dashboard_bp
+    from app.routes.subcontractor_routes import subcontractor_bp
+    from app.routes.file_import import file_import_bp
+    from app.routes.file_report import file_report_bp
+    from app.routes.generate_comparison_report import generate_report_bp
+    from app.routes.file_format import file_format_bp 
+
+    app.register_blueprint(auth_bp) 
+    app.register_blueprint(user_bp)
+    app.register_blueprint(dashboard_bp)
+    app.register_blueprint(subcontractor_bp)
+    app.register_blueprint(file_import_bp)
+    app.register_blueprint(file_report_bp)
+    app.register_blueprint(generate_report_bp)
+    app.register_blueprint(file_format_bp )
 
 
+def register_error_handlers(app):
 
-# from flask import Flask
+    from flask import current_app
-# from app.config import Config
 
-# def create_app():
+    @app.errorhandler(404)
-#     app = Flask(__name__)
+    def page_not_found(e):
-#     app.config.from_object(Config)
+        current_app.logger.warning("404 Page Not Found")
+        return "Page Not Found", 404
 
-#     # Register Blueprints
+    @app.errorhandler(500)
-#     from app.routes.dashboard import dashboard_bp
+    def internal_error(e):
-#     from app.routes.file_import import file_import_bp
+        current_app.logger.exception("500 Internal Server Error")
-#     from app.routes.user import user_bp
+        return "Internal Server Error", 500
-
-#     app.register_blueprint(dashboard_bp)
-#     app.register_blueprint(file_import_bp)
-#     app.register_blueprint(user_bp)
-
-#     return app

app/config.py

@@ -1,24 +1,24 @@
 import os
 
 class Config:
-    
+    # secret key
-    SQLALCHEMY_DATABASE_URI = "mysql+pymysql://root:root@localhost/comparisondb"
+    SECRET_KEY = os.getenv("SECRET_KEY", "dev-secret-key")
+ 
+    # Database variables 
+    DB_DIALECT = os.getenv("DB_DIALECT")
+    DB_DRIVER = os.getenv("DB_DRIVER")
+    DB_USER = os.getenv("DB_USER")
+    DB_PASSWORD = os.getenv("DB_PASSWORD")
+    DB_HOST = os.getenv("DB_HOST")
+    DB_PORT = os.getenv("DB_PORT")
+    DB_NAME = os.getenv("DB_NAME")
+    # database connection url
+    SQLALCHEMY_DATABASE_URI = (
+        f"{DB_DIALECT}+{DB_DRIVER}://"
+        f"{DB_USER}:{DB_PASSWORD}@"
+        f"{DB_HOST}:{DB_PORT}/"
+        f"{DB_NAME}"
+    )
 
     SQLALCHEMY_TRACK_MODIFICATIONS = False
-    SECRET_KEY = "secret123"
+   
-
-    UPLOAD_FOLDER = "app/static/uploads/"
-    ALLOWED_EXTENSIONS = {"xlsx", "xls", "csv"}
-
-
-
-# class Config:
-#     SECRET_KEY = os.getenv("SECRET_KEY", "dev_key_12345")
-
-#     UPLOAD_FOLDER = "app/static/uploads/"
-#     ALLOWED_EXTENSIONS = {"xlsx", "xls", "csv"}
-
-#     DB_HOST = "localhost"
-#     DB_USER = "root"
-#     DB_PASSWORD = "root"
-#     DB_NAME = "comparisondb"

app/constants/http_status.py

@@ -0,0 +1,11 @@
+class HTTPStatus:
+    OK = 200
+    CREATED = 201
+    BAD_REQUEST = 400
+    UNAUTHORIZED = 401
+    FORBIDDEN = 403
+    NOT_FOUND = 404
+    METHOD_NOT_ALLOWED = 405
+    CONFLICT = 409
+    UNPROCESSABLE_ENTITY = 422
+    INTERNAL_SERVER_ERROR = 500

app/constants/messages.py

@@ -0,0 +1,17 @@
+class SuccessMessage:
+    FETCHED = "Data fetched successfully"
+    CREATED = "Resource created successfully"
+    UPDATED = "Resource updated successfully"
+    DELETED = "Resource deleted successfully"
+    LOGIN = "Login successful"
+    LOGOUT = "Logout successful"
+
+
+class ErrorMessage:
+    INVALID_REQUEST = "Invalid request data"
+    UNAUTHORIZED = "Unauthorized access"
+    FORBIDDEN = "Access forbidden"
+    NOT_FOUND = "Resource not found"
+    VALIDATION_FAILED = "Validation failed"
+    INTERNAL_ERROR = "Internal server error"
+    DUPLICATE_ENTRY = "Duplicate record found"

app/errors/error_handlers.py

@@ -0,0 +1,66 @@
+from flask import request, render_template
+from app.utils.response_handler import ResponseHandler
+from app.utils.exceptions import APIException
+from app.constants.http_status import HTTPStatus
+from app.constants.messages import ErrorMessage
+from app.services.db_service import db
+import traceback
+
+
+def register_error_handlers(app):
+
+    # Custom API Exception
+    @app.errorhandler(APIException)
+    def handle_api_exception(e):
+        db.session.rollback()
+
+        if request.path.startswith("/api"):
+            return ResponseHandler.error(
+                message=e.message,
+                errors=e.errors,
+                status_code=e.status_code
+            )
+
+        return render_template("errors/500.html"), e.status_code
+
+
+    # 404
+    @app.errorhandler(404)
+    def handle_404(e):
+        if request.path.startswith("/api"):
+            return ResponseHandler.error(
+                message=ErrorMessage.NOT_FOUND,
+                status_code=HTTPStatus.NOT_FOUND
+            )
+
+        return render_template("errors/404.html"), 404
+
+
+    # 500
+    @app.errorhandler(500)
+    def handle_500(e):
+        db.session.rollback()
+        traceback.print_exc()
+
+        if request.path.startswith("/api"):
+            return ResponseHandler.error(
+                message=ErrorMessage.INTERNAL_ERROR,
+                status_code=HTTPStatus.INTERNAL_SERVER_ERROR
+            )
+
+        return render_template("errors/500.html"), 500
+
+
+    # Catch All
+    @app.errorhandler(Exception)
+    def handle_general_exception(e):
+        db.session.rollback()
+        traceback.print_exc()
+
+        if request.path.startswith("/api"):
+            return ResponseHandler.error(
+                message=ErrorMessage.INTERNAL_ERROR,
+                status_code=HTTPStatus.INTERNAL_SERVER_ERROR
+            )
+
+        return render_template("errors/500.html"), 500

app/models/laying_client_model.py

@@ -0,0 +1,63 @@
+from app import db
+from datetime import datetime
+from sqlalchemy import event
+from app.utils.regex_utils import RegularExpression
+
+class LayingClient(db.Model):
+    __tablename__ = "laying_client"
+
+    id = db.Column(db.Integer, primary_key=True)
+
+    # Basic Fields
+    Location = db.Column(db.String(500))
+    MH_NO = db.Column(db.String(100))
+    CC_length = db.Column(db.Numeric(10, 4), default=0)
+    # Bedding Qty.
+    Outer_dia_of_MH_m = db.Column(db.Numeric(10, 4), default=0)
+    Bedding_Length = db.Column(db.Numeric(10, 4), default=0)
+    Width = db.Column(db.Numeric(10, 4), default=0)
+    Depth = db.Column(db.Numeric(10, 4), default=0)
+    Qty = db.Column(db.Numeric(10, 4), default=0)
+ 
+    #  PIPE LAYING Qty. 
+    Pipe_Dia_mm = db.Column(db.Numeric(10, 4), default=0)
+    ID_of_MH_m = db.Column(db.Numeric(10, 4), default=0)
+    Laying_Length = db.Column(db.Numeric(10, 4), default=0)
+
+    pipe_150_mm = db.Column(db.Numeric(10, 4), default=0)
+    pipe_200_mm = db.Column(db.Numeric(10, 4), default=0)
+    pipe_250_mm = db.Column(db.Numeric(10, 4), default=0)
+    pipe_300_mm = db.Column(db.Numeric(10, 4), default=0)
+    pipe_350_mm = db.Column(db.Numeric(10, 4), default=0)
+    pipe_400_mm = db.Column(db.Numeric(10, 4), default=0)
+    pipe_450_mm = db.Column(db.Numeric(10, 4), default=0)
+    pipe_500_mm = db.Column(db.Numeric(10, 4), default=0)
+    pipe_600_mm = db.Column(db.Numeric(10, 4), default=0)
+    pipe_700_mm = db.Column(db.Numeric(10, 4), default=0)
+    pipe_900_mm = db.Column(db.Numeric(10, 4), default=0)
+    pipe_1200_mm = db.Column(db.Numeric(10, 4), default=0)
+    
+    Total = db.Column(db.Numeric(12, 4), default=0)
+    Remarks = db.Column(db.String(500))
+    RA_Bill_No=db.Column(db.String(500))
+    
+    created_at = db.Column(db.DateTime, default=datetime.today)
+
+
+    def __repr__(self):
+        return f"<LayingModel {self.Location}>"
+
+    def serialize(self):
+        return {c.name: getattr(self, c.name) for c in self.__table__.columns}
+
+
+# AUTO TOTAL USING REGEX
+def calculate_laying_total(mapper, connection, target):
+    total = 0
+    for column in target.__table__.columns:
+        if RegularExpression.PIPE_MM_PATTERN.match(column.name):
+            total += getattr(target, column.name) or 0
+    target.Total = round(total)
+
+event.listen(LayingClient, "before_insert", calculate_laying_total)
+event.listen(LayingClient, "before_update", calculate_laying_total)

app/models/laying_model.py

@@ -0,0 +1,59 @@
+from app import db
+from datetime import datetime
+from sqlalchemy import event
+from app.utils.regex_utils import RegularExpression
+
+class Laying(db.Model):
+    __tablename__ = "laying"
+
+    id = db.Column(db.Integer, primary_key=True)
+    #  Foreign Key to Subcontractor tables
+    subcontractor_id = db.Column(db.Integer, db.ForeignKey("subcontractors.id"), nullable=False)
+    # Relationship for easy access (subcontractor.subcontractor_name)
+    subcontractor = db.relationship("Subcontractor", backref="laying_records")
+
+    # Pipe Laying Fields
+    Location = db.Column(db.String(500))
+    MH_NO = db.Column(db.String(100))
+    CC_length = db.Column(db.Numeric(10, 4), default=0)
+    Pipe_Dia_mm = db.Column(db.Numeric(10, 4), default=0)
+    ID_of_MH_m = db.Column(db.Numeric(10, 4), default=0)
+    Laying_Length = db.Column(db.Numeric(10, 4), default=0)
+
+    pipe_150_mm = db.Column(db.Numeric(10, 4), default=0)
+    pipe_200_mm = db.Column(db.Numeric(10, 4), default=0)
+    pipe_250_mm = db.Column(db.Numeric(10, 4), default=0)
+    pipe_300_mm = db.Column(db.Numeric(10, 4), default=0)
+    pipe_350_mm = db.Column(db.Numeric(10, 4), default=0)
+    pipe_400_mm = db.Column(db.Numeric(10, 4), default=0)
+    pipe_450_mm = db.Column(db.Numeric(10, 4), default=0)
+    pipe_500_mm = db.Column(db.Numeric(10, 4), default=0)
+    pipe_600_mm = db.Column(db.Numeric(10, 4), default=0)
+    pipe_700_mm = db.Column(db.Numeric(10, 4), default=0)
+    pipe_900_mm = db.Column(db.Numeric(10, 4), default=0)
+    pipe_1200_mm = db.Column(db.Numeric(10, 4), default=0)
+    
+    Total = db.Column(db.Numeric(12, 4), default=0)
+    Remarks = db.Column(db.String(500))
+    RA_Bill_No=db.Column(db.String(500))
+    
+    created_at = db.Column(db.DateTime, default=datetime.today)
+
+
+    def __repr__(self):
+        return f"<LayingModel {self.Location}>"
+
+    def serialize(self):
+        return {c.name: getattr(self, c.name) for c in self.__table__.columns}
+    
+
+# AUTO TOTAL USING REGEX
+def calculate_laying_total(mapper, connection, target):
+    total = 0
+    for column in target.__table__.columns:
+        if RegularExpression.PIPE_MM_PATTERN.match(column.name):
+            total += getattr(target, column.name) or 0
+    target.Total = round(total)
+
+event.listen(Laying, "before_insert", calculate_laying_total)
+event.listen(Laying, "before_update", calculate_laying_total)

app/models/manhole_domestic_chamber_model.py

@@ -1,5 +1,7 @@
 from app import db
 from datetime import datetime
+from sqlalchemy import event
+from app.utils.regex_utils import RegularExpression
 
 class ManholeDomesticChamber(db.Model):
     __tablename__ = "manhole_domestic_chamber"
@@ -11,35 +13,53 @@ class ManholeDomesticChamber(db.Model):
     subcontractor = db.relationship("Subcontractor", backref="manhole_domestic_chamber_records")
 
     # Basic Fields
-    Location = db.Column(db.String(255))
+    Location = db.Column(db.String(500))
-    Node_No = db.Column(db.String(100))
+    MH_NO = db.Column(db.String(100))
-    Depth_of_MH = db.Column(db.Float)
+    Depth_of_MH = db.Column(db.Numeric(10, 4), default=0)
  
-    # Excavation categories
+    # Excavation categories 
-    d_0_to_0_75 = db.Column(db.Float)
+    d_0_to_0_75 = db.Column(db.Numeric(10, 4), default=0)
-    d_1_06_to_1_65 = db.Column(db.Float)
+    d_0_76_to_1_05 = db.Column(db.Numeric(10, 4), default=0)
-    d_1_06_to_1_65 = db.Column(db.Float)
+    d_1_06_to_1_65 = db.Column(db.Numeric(10, 4), default=0)
-    d_1_66_to_2_15 = db.Column(db.Float)
+    d_1_66_to_2_15 = db.Column(db.Numeric(10, 4), default=0)
-    d_2_16_to_2_65 = db.Column(db.Float)
+    d_2_16_to_2_65 = db.Column(db.Numeric(10, 4), default=0)
-    d_2_66_to_3_15 = db.Column(db.Float)
+    d_2_66_to_3_15 = db.Column(db.Numeric(10, 4), default=0)
-    d_3_16_to_3_65= db.Column(db.Float)
+    d_3_16_to_3_65= db.Column(db.Numeric(10, 4), default=0)
-    d_3_66_to_4_15 = db.Column(db.Float)
+    d_3_66_to_4_15 = db.Column(db.Numeric(10, 4), default=0)
-    d_4_16_to_4_65 = db.Column(db.Float)
+    d_4_16_to_4_65 = db.Column(db.Numeric(10, 4), default=0)
-    d_4_66_to_5_15 = db.Column(db.Float)
+    d_4_66_to_5_15 = db.Column(db.Numeric(10, 4), default=0)
-    d_5_16_to_5_65 = db.Column(db.Float)
+    d_5_16_to_5_65 = db.Column(db.Numeric(10, 4), default=0)
+    d_5_66_to_6_15 = db.Column(db.Numeric(10, 4), default=0)
+    d_6_16_to_6_65 = db.Column(db.Numeric(10, 4), default=0)
+    d_6_66_to_7_15 = db.Column(db.Numeric(10, 4), default=0)
+    d_7_16_to_7_65 = db.Column(db.Numeric(10, 4), default=0)
+    d_7_66_to_8_15 = db.Column(db.Numeric(10, 4), default=0)
+    d_8_16_to_8_65 = db.Column(db.Numeric(10, 4), default=0)
+    d_8_66_to_9_15 = db.Column(db.Numeric(10, 4), default=0)
+    d_9_16_to_9_65 = db.Column(db.Numeric(10, 4), default=0)
 
-    d_5_66_to_6_15 = db.Column(db.Float)
+    Domestic_Chambers = db.Column(db.Numeric(10, 4), default=0)
-    d_6_16_to_6_65 = db.Column(db.Float)
+    DWC_Pipe_Length = db.Column(db.Numeric(10, 4), default=0)
-    d_6_66_to_7_15 = db.Column(db.Float)
+    UPVC_Pipe_Length = db.Column(db.Numeric(10, 4), default=0)
-    d_7_16_to_7_65 = db.Column(db.Float)
+    RA_Bill_No=db.Column(db.String(500))
-    d_7_66_to_8_15 = db.Column(db.Float)
-    d_8_16_to_8_65 = db.Column(db.Float)
-    d_8_66_to_9_15 = db.Column(db.Float)
-    d_9_16_to_9_65 = db.Column(db.Float)
 
-    Domestic_Chambers = db.Column(db.Float)
+    Total = db.Column(db.Numeric(12, 4), default=0)
-
+    created_at = db.Column(db.DateTime, default=datetime.today)
-    created_at = db.Column(db.DateTime, default=datetime.utcnow)
 
     def __repr__(self):
         return f"<HanholeDomesticChamberConstruction {self.Location}>"
+
+    def serialize(self):
+        return {c.name: getattr(self, c.name) for c in self.__table__.columns}
+    
+    
+# AUTO TOTAL USING REGEX
+def calculate_mh_dc_total(mapper, connection, target):
+    total = 0
+    for column in target.__table__.columns:
+        if RegularExpression.D_RANGE_PATTERN.match(column.name):
+            total += getattr(target, column.name) or 0
+    target.Total = round(total)
+
+event.listen(ManholeDomesticChamber, "before_insert", calculate_mh_dc_total)
+event.listen(ManholeDomesticChamber, "before_update", calculate_mh_dc_total)

app/models/manhole_excavation_model.py

@@ -1,5 +1,7 @@
 from app import db
 from datetime import datetime
+from sqlalchemy import event
+from app.utils.regex_utils import RegularExpression
 
 class ManholeExcavation(db.Model):
     __tablename__ = "manhole_excavation"
@@ -11,53 +13,69 @@ class ManholeExcavation(db.Model):
     subcontractor = db.relationship("Subcontractor", backref="manhole_records")
 
     # Basic Fields
-    Location = db.Column(db.String(255))
+    Location = db.Column(db.String(500))
     MH_NO = db.Column(db.String(100))
    
-    Upto_IL_Depth = db.Column(db.Float)
+    Upto_IL_Depth = db.Column(db.Numeric(10, 4), default=0)
-    Cutting_Depth = db.Column(db.Float)
+    Cutting_Depth = db.Column(db.Numeric(10, 4), default=0)
-    ID_of_MH_m = db.Column(db.Float)
+    ID_of_MH_m = db.Column(db.Numeric(10, 4), default=0)
-    Ex_Dia_of_Manhole = db.Column(db.Float)
+    Ex_Dia_of_Manhole = db.Column(db.Numeric(10, 4), default=0)
-    Area_of_Manhole = db.Column(db.Float)
+    Area_of_Manhole = db.Column(db.Numeric(10, 4), default=0)
    
     # Excavation categories
-    Soft_Murum_0_to_1_5 = db.Column(db.Float)
+    Soft_Murum_0_to_1_5 = db.Column(db.Numeric(10, 4), default=0)
-    Soft_Murum_1_5_to_3_0 = db.Column(db.Float)
+    Soft_Murum_1_5_to_3_0 = db.Column(db.Numeric(10, 4), default=0)
-    Soft_Murum_3_0_to_4_5 = db.Column(db.Float)
+    Soft_Murum_3_0_to_4_5 = db.Column(db.Numeric(10, 4), default=0)
 
-    Hard_Murum_0_to_1_5 = db.Column(db.Float)
+    Hard_Murum_0_to_1_5 = db.Column(db.Numeric(10, 4), default=0)
-    Hard_Murum_1_5_to_3_0 = db.Column(db.Float)
+    Hard_Murum_1_5_to_3_0 = db.Column(db.Numeric(10, 4), default=0)
 
-    Soft_Rock_0_to_1_5 = db.Column(db.Float)
+    Soft_Rock_0_to_1_5 = db.Column(db.Numeric(10, 4), default=0)
-    Soft_Rock_1_5_to_3_0 = db.Column(db.Float)
+    Soft_Rock_1_5_to_3_0 = db.Column(db.Numeric(10, 4), default=0)
 
-    Hard_Rock_0_to_1_5 = db.Column(db.Float)
+    Hard_Rock_0_to_1_5 = db.Column(db.Numeric(10, 4), default=0)
-    Hard_Rock_1_5_to_3_0 = db.Column(db.Float)
+    Hard_Rock_1_5_to_3_0 = db.Column(db.Numeric(10, 4), default=0)
-    Hard_Rock_3_0_to_4_5 = db.Column(db.Float)
+    Hard_Rock_3_0_to_4_5 = db.Column(db.Numeric(10, 4), default=0)
-    Hard_Rock_4_5_to_6_0 = db.Column(db.Float)
+    Hard_Rock_4_5_to_6_0 = db.Column(db.Numeric(10, 4), default=0)
-    Hard_Rock_6_0_to_7_5 = db.Column(db.Float)
+    Hard_Rock_6_0_to_7_5 = db.Column(db.Numeric(10, 4), default=0)
 
     # Totals
-    Soft_Murum_0_to_1_5_total = db.Column(db.Float)
+    Soft_Murum_0_to_1_5_total = db.Column(db.Numeric(10, 4), default=0)
-    Soft_Murum_1_5_to_3_0_total = db.Column(db.Float)
+    Soft_Murum_1_5_to_3_0_total = db.Column(db.Numeric(10, 4), default=0)
-    Soft_Murum_3_0_to_4_5_total = db.Column(db.Float)
+    Soft_Murum_3_0_to_4_5_total = db.Column(db.Numeric(10, 4), default=0)
 
-    Hard_Murum_0_to_1_5_total = db.Column(db.Float)
+    Hard_Murum_0_to_1_5_total = db.Column(db.Numeric(10, 4), default=0)
-    Hard_Murum_1_5_and_above_total = db.Column(db.Float)
+    Hard_Murum_1_5_and_above_total = db.Column(db.Numeric(10, 4), default=0)
 
-    Soft_Rock_0_to_1_5_total = db.Column(db.Float)
+    Soft_Rock_0_to_1_5_total = db.Column(db.Numeric(10, 4), default=0)
-    Soft_Rock_1_5_and_above_total = db.Column(db.Float)
+    Soft_Rock_1_5_and_above_total = db.Column(db.Numeric(10, 4), default=0)
 
-    Hard_Rock_0_to_1_5_total = db.Column(db.Float)
+    Hard_Rock_0_to_1_5_total = db.Column(db.Numeric(10, 4), default=0)
-    Hard_Rock_1_5_and_above_total = db.Column(db.Float)
+    Hard_Rock_1_5_to_3_0_total = db.Column(db.Numeric(10, 4), default=0)
-    Hard_Rock_3_0_to_4_5_total = db.Column(db.Float)
+    Hard_Rock_3_0_to_4_5_total = db.Column(db.Numeric(10, 4), default=0)
-    Hard_Rock_4_5_to_6_0_total = db.Column(db.Float)
+    Hard_Rock_4_5_to_6_0_total = db.Column(db.Numeric(10, 4), default=0)
-    Hard_Rock_6_0_to_7_5_total = db.Column(db.Float)
+    Hard_Rock_6_0_to_7_5_total = db.Column(db.Numeric(10, 4), default=0)
 
+    Total = db.Column(db.Numeric(12, 4), default=0)
     Remarks = db.Column(db.String(500))
-    Total = db.Column(db.Float)
+    RA_Bill_No=db.Column(db.String(500))
 
-    created_at = db.Column(db.DateTime, default=datetime.utcnow)
+    created_at = db.Column(db.DateTime, default=datetime.today)
 
     def __repr__(self):
         return f"<HanholeExcavation {self.Location}>"
+
+    def serialize(self):
+        return {c.name: getattr(self, c.name) for c in self.__table__.columns}
+
+# AUTO TOTAL USING REGEX
+def calculate_Manhole_total(mapper, connection, target):
+    total = 0
+    for column in target.__table__.columns:
+        if RegularExpression.STR_TOTAL_PATTERN.match(column.name):
+            total += getattr(target, column.name) or 0
+    target.Total = round(total)
+
+
+event.listen(ManholeExcavation, "before_insert", calculate_Manhole_total)
+event.listen(ManholeExcavation, "before_update", calculate_Manhole_total)

app/models/mh_dc_client_model.py

@@ -0,0 +1,55 @@
+from app import db
+from datetime import datetime
+from sqlalchemy import event
+from app.utils.regex_utils import RegularExpression
+
+class ManholeDomesticChamberClient(db.Model):
+    __tablename__ = "mh_dc_client"
+
+    id = db.Column(db.Integer, primary_key=True)
+
+    # Basic Fields
+    RA_Bill_No=db.Column(db.String(500))
+    Location = db.Column(db.String(500))
+    MH_NO = db.Column(db.String(100))
+    MH_TOP_LEVEL = db.Column(db.Numeric(10, 4), default=0)
+    MH_IL_LEVEL = db.Column(db.Numeric(10, 4), default=0)
+    Depth_of_MH = db.Column(db.Numeric(10, 4), default=0)
+   
+    # Excavation categories 
+    d_0_to_1_5 = db.Column(db.Numeric(10, 4), default=0)
+    d_1_5_to_2_0 = db.Column(db.Numeric(10, 4), default=0)
+    d_2_0_to_2_5 = db.Column(db.Numeric(10, 4), default=0)
+    d_2_5_to_3_0 = db.Column(db.Numeric(10, 4), default=0)
+    d_3_0_to_3_5 = db.Column(db.Numeric(10, 4), default=0)
+    d_3_5_to_4_0 = db.Column(db.Numeric(10, 4), default=0)
+    d_4_0_to_4_5= db.Column(db.Numeric(10, 4), default=0)
+    d_4_5_to_5_0 = db.Column(db.Numeric(10, 4), default=0)
+    d_5_0_to_5_5 = db.Column(db.Numeric(10, 4), default=0)
+    d_5_5_to_6_0 = db.Column(db.Numeric(10, 4), default=0)
+    d_6_0_to_6_5 = db.Column(db.Numeric(10, 4), default=0)
+
+    Domestic_Chambers = db.Column(db.Numeric(10, 4), default=0)
+
+    Total = db.Column(db.Numeric(12, 4), default=0)
+    created_at = db.Column(db.DateTime, default=datetime.today)
+
+    def __repr__(self):
+        return f"<HanholeDomesticChamberConstruction {self.Location}>"
+
+
+    def serialize(self):
+        return {c.name: getattr(self, c.name) for c in self.__table__.columns}
+
+
+# AUTO TOTAL USING REGEX
+def calculate_mh_dc_total(mapper, connection, target):
+    total = 0
+    for column in target.__table__.columns:
+        if RegularExpression.D_RANGE_PATTERN.match(column.name):
+            total += getattr(target, column.name) or 0
+    target.Total = round(total)
+
+
+event.listen(ManholeDomesticChamberClient, "before_insert", calculate_mh_dc_total)
+event.listen(ManholeDomesticChamberClient, "before_update", calculate_mh_dc_total)

app/models/mh_ex_client_model.py

@@ -0,0 +1,94 @@
+from app import db
+from datetime import datetime
+from sqlalchemy import event
+from app.utils.regex_utils import RegularExpression
+
+class ManholeExcavationClient(db.Model):
+    __tablename__ = "mh_ex_client"
+
+    id = db.Column(db.Integer, primary_key=True)
+
+    # Basic Fields
+    RA_Bill_No=db.Column(db.String(500))
+    Location = db.Column(db.String(500))
+    MH_NO = db.Column(db.String(100))
+    Ground_Level = db.Column(db.Numeric(10, 4), default=0)
+    MH_Invert_Level = db.Column(db.Numeric(10, 4), default=0)
+    MH_Top_Level = db.Column(db.Numeric(10, 4), default=0)
+    Ex_Level = db.Column(db.Numeric(10, 4), default=0)
+    Cutting_Depth = db.Column(db.Numeric(10, 4), default=0)
+    MH_Depth = db.Column(db.Numeric(10, 4), default=0)
+    ID_of_MH_m = db.Column(db.Numeric(10, 4), default=0)
+
+    Dia_of_MH_Cutting = db.Column(db.Numeric(10, 4), default=0)
+    Area_of_Manhole = db.Column(db.Numeric(10, 4), default=0)
+   
+    # Excavation categories
+    Marshi_Muddy_Slushy_0_to_1_5 = db.Column(db.Numeric(10, 4), default=0)
+    Marshi_Muddy_Slushy_1_5_to_3_0 = db.Column(db.Numeric(10, 4), default=0)
+    Marshi_Muddy_Slushy_3_0_to_4_5 = db.Column(db.Numeric(10, 4), default=0)
+
+    Soft_Murum_0_to_1_5 = db.Column(db.Numeric(10, 4), default=0)
+    Soft_Murum_1_5_to_3_0 = db.Column(db.Numeric(10, 4), default=0)
+    Soft_Murum_3_0_to_4_5 = db.Column(db.Numeric(10, 4), default=0)
+
+    Hard_Murum_0_to_1_5 = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Murum_1_5_to_3_0 = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Murum_3_0_to_4_5 = db.Column(db.Numeric(10, 4), default=0)
+
+    Soft_Rock_0_to_1_5 = db.Column(db.Numeric(10, 4), default=0)
+    Soft_Rock_1_5_to_3_0 = db.Column(db.Numeric(10, 4), default=0)
+    Soft_Murum_3_0_to_4_5 = db.Column(db.Numeric(10, 4), default=0)
+
+    Hard_Rock_0_to_1_5 = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Rock_1_5_to_3_0 = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Rock_3_0_to_4_5 = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Rock_4_5_to_6_0 = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Rock_6_0_to_7_5 = db.Column(db.Numeric(10, 4), default=0)
+
+    # Totals
+    Marshi_Muddy_Slushy_0_to_1_5_total = db.Column(db.Numeric(10, 4), default=0)
+    Marshi_Muddy_Slushy_1_5_to_3_0_total = db.Column(db.Numeric(10, 4), default=0)
+    Marshi_Muddy_Slushy_3_0_to_4_5_total = db.Column(db.Numeric(10, 4), default=0)
+
+    Soft_Murum_0_to_1_5_total = db.Column(db.Numeric(10, 4), default=0)
+    Soft_Murum_1_5_to_3_0_total = db.Column(db.Numeric(10, 4), default=0)
+    Soft_Murum_3_0_to_4_5_total = db.Column(db.Numeric(10, 4), default=0)
+
+    Hard_Murum_0_to_1_5_total = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Murum_1_5_to_3_0_total = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Murum_3_0_to_4_5_total = db.Column(db.Numeric(10, 4), default=0)
+
+    Soft_Rock_0_to_1_5_total = db.Column(db.Numeric(10, 4), default=0)
+    Soft_Rock_1_5_to_3_0_total = db.Column(db.Numeric(10, 4), default=0)
+    Soft_Rock_3_0_to_4_5_total = db.Column(db.Numeric(10, 4), default=0)
+
+    Hard_Rock_0_to_1_5_total = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Rock_1_5_to_3_0_total = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Rock_3_0_to_4_5_total = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Rock_4_5_to_6_0_total = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Rock_6_0_to_7_5_total = db.Column(db.Numeric(10, 4), default=0)
+
+    Remarks = db.Column(db.String(500))
+    Total = db.Column(db.Numeric(12, 4), default=0)
+
+    created_at = db.Column(db.DateTime, default=datetime.today)
+
+    def __repr__(self):
+        return f"<HanholeExcavation {self.Location}>"
+
+    def serialize(self):
+        return {c.name: getattr(self, c.name) for c in self.__table__.columns}
+
+
+# AUTO TOTAL USING REGEX
+def calculate_Manhole_total(mapper, connection, target):
+    total = 0
+    for column in target.__table__.columns:
+        if RegularExpression.STR_TOTAL_PATTERN.match(column.name):
+            total += getattr(target, column.name) or 0
+    target.Total = round(total)
+
+
+event.listen(ManholeExcavationClient, "before_insert", calculate_Manhole_total)
+event.listen(ManholeExcavationClient, "before_update", calculate_Manhole_total)

app/models/subcontractor_model.py

@@ -14,7 +14,7 @@ class Subcontractor(db.Model):
     email_id = db.Column(db.String(150))
     contact_person = db.Column(db.String(150))
     status = db.Column(db.String(20), default="Active")
-    created_at = db.Column(db.DateTime, default=datetime.utcnow)
+    created_at = db.Column(db.DateTime, default=datetime.today)
 
     def __repr__(self):
         return f"<Subcontractor {self.subcontractor_name}>"

app/models/tr_ex_client_model.py

@@ -0,0 +1,98 @@
+from app import db
+from datetime import datetime
+from sqlalchemy import event
+from app.utils.regex_utils import RegularExpression
+
+class TrenchExcavationClient(db.Model):
+    __tablename__ = "tr_ex_client"
+
+    id = db.Column(db.Integer, primary_key=True)
+
+    # Basic Fields
+    RA_Bill_No=db.Column(db.String(500))
+    Location = db.Column(db.String(500))
+    MH_NO = db.Column(db.String(100))
+    CC_length = db.Column(db.Numeric(10, 4), default=0)
+    Actual_Trench_Length = db.Column(db.Numeric(10, 4), default=0)
+    Ground_Level = db.Column(db.Numeric(10, 4), default=0)
+    Invert_Level = db.Column(db.Numeric(10, 4), default=0)
+    Excavated_level = db.Column(db.Numeric(10, 4), default=0)
+    Cutting_Depth = db.Column(db.Numeric(10, 4), default=0)
+    Avg_Depth = db.Column(db.Numeric(10, 4), default=0)
+    Pipe_Dia_mm = db.Column(db.Numeric(10, 4), default=0)
+ 
+    # width
+    Width_0_to_1_5_m = db.Column(db.Numeric(10, 4), default=0)
+    Width_1_5_to_3_0_m = db.Column(db.Numeric(10, 4), default=0)
+    Width_3_0_to_4_5_m = db.Column(db.Numeric(10, 4), default=0)
+    Width_4_5_to_6_0_m = db.Column(db.Numeric(10, 4), default=0)
+    Width_6_0_to_7_5_m = db.Column(db.Numeric(10, 4), default=0)
+
+    # Excavation categories
+    Marshi_Muddy_Slushy_0_to_1_5 = db.Column(db.Numeric(10, 4), default=0)
+    Marshi_Muddy_Slushy_1_5_to_3_0 = db.Column(db.Numeric(10, 4), default=0)
+    Marshi_Muddy_Slushy_3_0_to_4_5 = db.Column(db.Numeric(10, 4), default=0)
+
+    Soft_Murum_0_to_1_5 = db.Column(db.Numeric(10, 4), default=0)
+    Soft_Murum_1_5_to_3_0 = db.Column(db.Numeric(10, 4), default=0)
+    Soft_Murum_3_0_to_4_5 = db.Column(db.Numeric(10, 4), default=0)
+
+    Hard_Murum_0_to_1_5 = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Murum_1_5_to_3_0 = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Murum_3_0_to_4_5 = db.Column(db.Numeric(10, 4), default=0)
+
+    Soft_Rock_0_to_1_5 = db.Column(db.Numeric(10, 4), default=0)
+    Soft_Rock_1_5_to_3_0 = db.Column(db.Numeric(10, 4), default=0)
+    Soft_Rock_3_0_to_4_5 = db.Column(db.Numeric(10, 4), default=0)
+
+    Hard_Rock_0_to_1_5 = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Rock_1_5_to_3_0 = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Rock_3_0_to_4_5 = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Rock_4_5_to_6_0 = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Rock_6_0_to_7_5 = db.Column(db.Numeric(10, 4), default=0)
+
+    # Totals
+    Marshi_Muddy_Slushy_0_to_1_5_total = db.Column(db.Numeric(10, 4), default=0)
+    Marshi_Muddy_Slushy_1_5_to_3_0_total = db.Column(db.Numeric(10, 4), default=0)
+    Marshi_Muddy_Slushy_3_0_to_4_5_total = db.Column(db.Numeric(10, 4), default=0)
+
+    Soft_Murum_0_to_1_5_total = db.Column(db.Numeric(10, 4), default=0)
+    Soft_Murum_1_5_to_3_0_total = db.Column(db.Numeric(10, 4), default=0)
+    Soft_Murum_3_0_to_4_5_total = db.Column(db.Numeric(10, 4), default=0)
+
+    Hard_Murum_0_to_1_5_total = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Murum_1_5_to_3_0_total = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Murum_3_0_to_4_5_total = db.Column(db.Numeric(10, 4), default=0)
+
+    Soft_Rock_0_to_1_5_total = db.Column(db.Numeric(10, 4), default=0)
+    Soft_Rock_1_5_to_3_0_total = db.Column(db.Numeric(10, 4), default=0)
+    Soft_Rock_3_0_to_4_5_total = db.Column(db.Numeric(10, 4), default=0)
+
+    Hard_Rock_0_to_1_5_total = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Rock_1_5_to_3_0_total = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Rock_3_0_to_4_5_total = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Rock_4_5_to_6_0_total = db.Column(db.Numeric(10, 4), default=0)
+    Hard_Rock_6_0_to_7_5_total = db.Column(db.Numeric(10, 4), default=0)
+
+    Total = db.Column(db.Numeric(12, 4), default=0)
+    Remarks = db.Column(db.String(500))
+
+    created_at = db.Column(db.DateTime, default=datetime.today)
+
+    def __repr__(self):
+        return f"<TrenchExcavation {self.Location}>"
+    
+    def serialize(self):
+            return {c.name: getattr(self, c.name) for c in self.__table__.columns}
+
+
+# AUTO TOTAL USING REGEX
+def calculate_trench_client_total(mapper, connection, target):
+    total = 0
+    for column in target.__table__.columns:
+        if RegularExpression.STR_TOTAL_PATTERN.match(column.name):
+            total += getattr(target, column.name) or 0
+    target.Total = round(total)
+
+event.listen(TrenchExcavationClient, "before_insert", calculate_trench_client_total)
+event.listen(TrenchExcavationClient, "before_update", calculate_trench_client_total)

app/models/trench_excavation_model.py

@@ -1,5 +1,7 @@
 from app import db
 from datetime import datetime
+from sqlalchemy import event
+from app.utils.regex_utils import RegularExpression
 
 class TrenchExcavation(db.Model):
     __tablename__ = "trench_excavation"
@@ -11,63 +13,82 @@ class TrenchExcavation(db.Model):
     subcontractor = db.relationship("Subcontractor", backref="trench_records")
 
     # Basic Fields
-    Location = db.Column(db.String(255))
+    Location = db.Column(db.String(500))
     MH_NO = db.Column(db.String(100))
-    CC_length = db.Column(db.Float)
+    CC_length = db.Column(db.Numeric(10, 4), default=0)
-    Invert_Level = db.Column(db.Float)
+    Invert_Level = db.Column(db.Numeric(10, 4), default=0)
-    MH_Top_Level = db.Column(db.Float)
+    MH_Top_Level = db.Column(db.Numeric(10, 4), default=0)
-    Ground_Level = db.Column(db.Float)
+    Ground_Level = db.Column(db.Numeric(10, 4), default=0)
-    ID_of_MH_m = db.Column(db.Float)
+    ID_of_MH_m = db.Column(db.Numeric(10, 4), default=0)
-    Actual_Trench_Length = db.Column(db.Float)
+    Actual_Trench_Length = db.Column(db.Numeric(10, 4), default=0)
-    Pipe_Dia_mm = db.Column(db.Float)
+    Pipe_Dia_mm = db.Column(db.Numeric(10, 4), default=0)
 
-    Width_0_to_2_5 = db.Column(db.Float)
+    # width
-    Width_2_5_to_3_0 = db.Column(db.Float)
+    Width_0_to_2_5 = db.Column(db.Numeric(10, 4), default=0)
-    Width_3_0_to_4_5 = db.Column(db.Float)
+    Width_2_5_to_3_0 = db.Column(db.Numeric(10, 4), default=0)
-    Width_4_5_to_6_0 = db.Column(db.Float)
+    Width_3_0_to_4_5 = db.Column(db.Numeric(10, 4), default=0)
+    Width_4_5_to_6_0 = db.Column(db.Numeric(10, 4), default=0)
 
-    Upto_IL_Depth = db.Column(db.Float)
+    Upto_IL_Depth = db.Column(db.Numeric(10, 4), default=0)
-    Cutting_Depth = db.Column(db.Float)
+    Cutting_Depth = db.Column(db.Numeric(10, 4), default=0)
-    Avg_Depth = db.Column(db.Float)
+    Avg_Depth = db.Column(db.Numeric(10, 4), default=0)
 
     # Excavation categories
-    Soft_Murum_0_to_1_5 = db.Column(db.Float)
+    Soft_Murum_0_to_1_5 = db.Column(db.Numeric(10, 4), default=0)
-    Soft_Murum_1_5_to_3_0 = db.Column(db.Float)
+    Soft_Murum_1_5_to_3_0 = db.Column(db.Numeric(10, 4), default=0)
-    Soft_Murum_3_0_to_4_5 = db.Column(db.Float)
+    Soft_Murum_3_0_to_4_5 = db.Column(db.Numeric(10, 4), default=0)
 
-    Hard_Murum_0_to_1_5 = db.Column(db.Float)
+    Hard_Murum_0_to_1_5 = db.Column(db.Numeric(10, 4), default=0)
-    Hard_Murum_1_5_to_3_0 = db.Column(db.Float)
+    Hard_Murum_1_5_to_3_0 = db.Column(db.Numeric(10, 4), default=0)
 
-    Soft_Rock_0_to_1_5 = db.Column(db.Float)
+    Soft_Rock_0_to_1_5 = db.Column(db.Numeric(10, 4), default=0)
-    Soft_Rock_1_5_to_3_0 = db.Column(db.Float)
+    Soft_Rock_1_5_to_3_0 = db.Column(db.Numeric(10, 4), default=0)
 
-    Hard_Rock_0_to_1_5 = db.Column(db.Float)
+    Hard_Rock_0_to_1_5 = db.Column(db.Numeric(10, 4), default=0)
-    Hard_Rock_1_5_to_3_0 = db.Column(db.Float)
+    Hard_Rock_1_5_to_3_0 = db.Column(db.Numeric(10, 4), default=0)
-    Hard_Rock_3_0_to_4_5 = db.Column(db.Float)
+    Hard_Rock_3_0_to_4_5 = db.Column(db.Numeric(10, 4), default=0)
-    Hard_Rock_4_5_to_6_0 = db.Column(db.Float)
+    Hard_Rock_4_5_to_6_0 = db.Column(db.Numeric(10, 4), default=0)
-    Hard_Rock_6_0_to_7_5 = db.Column(db.Float)
+    Hard_Rock_6_0_to_7_5 = db.Column(db.Numeric(10, 4), default=0)
 
     # Totals
-    Soft_Murum_0_to_1_5_total = db.Column(db.Float)
+    Soft_Murum_0_to_1_5_total = db.Column(db.Numeric(10, 4), default=0)
-    Soft_Murum_1_5_to_3_0_total = db.Column(db.Float)
+    Soft_Murum_1_5_to_3_0_total = db.Column(db.Numeric(10, 4), default=0)
-    Soft_Murum_3_0_to_4_5_total = db.Column(db.Float)
+    Soft_Murum_3_0_to_4_5_total = db.Column(db.Numeric(10, 4), default=0)
 
-    Hard_Murum_0_to_1_5_total = db.Column(db.Float)
+    Hard_Murum_0_to_1_5_total = db.Column(db.Numeric(10, 4), default=0)
-    Hard_Murum_1_5_and_above_total = db.Column(db.Float)
+    Hard_Murum_1_5_and_above_total = db.Column(db.Numeric(10, 4), default=0)
 
-    Soft_Rock_0_to_1_5_total = db.Column(db.Float)
+    Soft_Rock_0_to_1_5_total = db.Column(db.Numeric(10, 4), default=0)
-    Soft_Rock_1_5_and_above_total = db.Column(db.Float)
+    Soft_Rock_1_5_and_above_total = db.Column(db.Numeric(10, 4), default=0)
 
-    Hard_Rock_0_to_1_5_total = db.Column(db.Float)
+    Hard_Rock_0_to_1_5_total = db.Column(db.Numeric(10, 4), default=0)
-    Hard_Rock_1_5_and_above_total = db.Column(db.Float)
+    Hard_Rock_1_5_to_3_0_total = db.Column(db.Numeric(10, 4), default=0)
-    Hard_Rock_3_0_to_4_5_total = db.Column(db.Float)
+    Hard_Rock_3_0_to_4_5_total = db.Column(db.Numeric(10, 4), default=0)
-    Hard_Rock_4_5_to_6_0_total = db.Column(db.Float)
+    Hard_Rock_4_5_to_6_0_total = db.Column(db.Numeric(10, 4), default=0)
-    Hard_Rock_6_0_to_7_5_total = db.Column(db.Float)
+    Hard_Rock_6_0_to_7_5_total = db.Column(db.Numeric(10, 4), default=0)
 
+    Total = db.Column(db.Numeric(12, 4), default=0)
     Remarks = db.Column(db.String(500))
-    Total = db.Column(db.Float)
+    RA_Bill_No=db.Column(db.String(500))
+    
+    created_at = db.Column(db.DateTime, default=datetime.today)
 
-    created_at = db.Column(db.DateTime, default=datetime.utcnow)
 
     def __repr__(self):
         return f"<TrenchExcavation {self.Location}>"
+
+    def serialize(self):
+        return {c.name: getattr(self, c.name) for c in self.__table__.columns}
+    
+
+# AUTO TOTAL USING REGEX
+def calculate_trench_total(mapper, connection, target):
+    total = 0
+    for column in target.__table__.columns:
+        if RegularExpression.STR_TOTAL_PATTERN.match(column.name):
+            total += getattr(target, column.name) or 0
+    target.Total = total
+
+
+event.listen(TrenchExcavation, "before_insert", calculate_trench_total)
+event.listen(TrenchExcavation, "before_update", calculate_trench_total)

app/models/user_model.py

@@ -1,21 +1,16 @@
-# from app.services.db_service import db
+from app.services.db_service import db
-# from werkzeug.security import generate_password_hash, check_password_hash
+from werkzeug.security import generate_password_hash, check_password_hash
 
-# class User(db.Model):
+class User(db.Model):
-#     id = db.Column(db.Integer, primary_key=True)
+    __tablename__ = "users"
-#     name = db.Column(db.String(120))
-#     email = db.Column(db.String(120), unique=True)
-#     password_hash = db.Column(db.String(255))
 
-#     def set_password(self, password):
+    id = db.Column(db.Integer, primary_key=True)
-#         self.password_hash = generate_password_hash(password)
+    name = db.Column(db.String(200), nullable=False)
+    email = db.Column(db.String(120), unique=True, nullable=False)
+    password_hash = db.Column(db.String(255), nullable=False)
 
-#     def check_password(self, password):
+    def set_password(self, password):
-#         return check_password_hash(self.password_hash, password)
+        self.password_hash = generate_password_hash(password)
 
-
+    def check_password(self, password):
-class User:
+        return check_password_hash(self.password_hash, password)
-    def __init__(self, id, name, email):
-        self.id = id
-        self.name = name
-        self.email = email

app/routes/auth.py

@@ -1,31 +1,48 @@
-from flask import Blueprint, request, render_template, redirect, flash, session
+from flask import Blueprint, render_template, request, redirect, url_for, flash, session
-from app.services.user_service import UserService  
+from app.services.user_service import UserService
 
-auth_bp = Blueprint("auth", __name__, url_prefix="/auth")
+auth_bp = Blueprint("auth", __name__)
 
-# LOGIN PAGE
 @auth_bp.route("/login", methods=["GET", "POST"])
 def login():
+    if session.get("user_id"):
+        return redirect(url_for("dashboard.dashboard"))
+
     if request.method == "POST":
-        user = UserService.validate_login(
+        email = request.form.get("email")
-            request.form["email"],
+        password = request.form.get("password")
-            request.form["password"]
+
-        )
+        user = UserService.validate_login(email, password)
         if user:
             session["user_id"] = user.id
-            return redirect("/dashboard")
+            session["user_name"] = user.name
-        flash("Invalid credentials", "danger")
+            flash("Login successful", "success")
-    return render_template("login.html")
+            return redirect(url_for("dashboard.dashboard"))
+
+        flash("Invalid email or password", "danger")
+
+    return render_template("login.html", title="Login")
 
-# REGISTER API ONLY
-@auth_bp.route("/register", methods=["POST"])
-def register():
-    data = request.json
-    UserService.register_user(data["name"], data["email"], data["password"])
-    return {"message": "User registered successfully"}, 201
 
-# LOGOUT
 @auth_bp.route("/logout")
 def logout():
     session.clear()
-    return redirect("/auth/login")
+    flash("Logged out successfully", "info")
+    return redirect(url_for("auth.login"))
+
+@auth_bp.route("/register", methods=["GET", "POST"])
+def register():
+    if request.method == "POST":
+        name = request.form.get("name")
+        email = request.form.get("email")
+        password = request.form.get("password")
+
+        user = UserService.register_user(name, email, password)
+        if not user:
+            flash("Email already exists", "danger")
+            return redirect(url_for("auth.register"))
+
+        flash("User registered successfully", "success")
+        return redirect(url_for("auth.login"))
+
+    return render_template("register.html", title="Register")

app/routes/dashboard.py

@@ -1,8 +1,244 @@
-from flask import Blueprint, render_template
+import matplotlib
+matplotlib.use("Agg")
+
+from flask import Blueprint, render_template, session, redirect, url_for, jsonify, request
+import matplotlib.pyplot as plt
+import io
+import base64
+from app.utils.plot_utils import plot_to_base64
+from app.services.dashboard_service import DashboardService
+from sqlalchemy import func
+from app import db
+from app.models.trench_excavation_model import TrenchExcavation
+from app.models.manhole_excavation_model import ManholeExcavation
+from app.models.laying_model import Laying
+
+from app.models.subcontractor_model import Subcontractor
+
+dashboard_bp = Blueprint("dashboard", __name__, url_prefix="/dashboard")
 
-dashboard_bp = Blueprint("dashboard", __name__)
 
 @dashboard_bp.route("/")
-@dashboard_bp.route("/dashboard")
 def dashboard():
-    return render_template("dashboard.html", title="Dashboard")
+    if not session.get("user_id"):
+        return redirect(url_for("auth.login"))
+    return render_template("dashboard.html", title="Business Intelligence Dashboard")
+
+
+@dashboard_bp.route("/api/live-stats")
+def live_stats():
+    try:
+        # 1. Overall Volume
+        t_count = TrenchExcavation.query.count()
+        m_count = ManholeExcavation.query.count()
+        l_count = Laying.query.count()
+
+        # 2. Location Distribution (Business reach)
+        loc_results = db.session.query(
+            TrenchExcavation.Location, 
+            func.count(TrenchExcavation.id)
+        ).group_by(TrenchExcavation.Location).all()
+
+        # 3. Work Timeline (Business productivity trend)
+        # Assuming your models have a 'created_at' field
+        timeline_results = db.session.query(
+            func.date(TrenchExcavation.created_at), 
+            func.count(TrenchExcavation.id)
+        ).group_by(func.date(TrenchExcavation.created_at)).order_by(func.date(TrenchExcavation.created_at)).all()
+
+        return jsonify({
+            "summary": {
+                "trench": t_count,
+                "manhole": m_count,
+                "laying": l_count,
+                "total": t_count + m_count + l_count
+            },
+            "locations": {row[0]: row[1] for row in loc_results if row[0]},
+            "timeline": {str(row[0]): row[1] for row in timeline_results}
+        })
+    except Exception as e:
+        return jsonify({"error": str(e)}), 500
+
+
+
+
+# subcontractor dashboard
+@dashboard_bp.route("/subcontractor_dashboard")
+def subcontractor_dashboard():
+
+    if not session.get("user_id"):
+        return redirect(url_for("auth.login"))
+
+    subcontractors = Subcontractor.query.all()
+
+    return render_template(
+        "subcontractor_dashboard.html",
+        subcontractors=subcontractors
+    )
+
+# ✅ API: Get Unique RA Bills
+@dashboard_bp.route("/api/get-ra-bills")
+def get_ra_bills():
+
+    subcontractor_id = request.args.get("subcontractor")
+    category = request.args.get("category")
+
+    if not subcontractor_id or not category:
+        return {"ra_bills": []}
+
+    match category:
+
+        case "trench_excavation":
+            results = db.session.query(
+                TrenchExcavation.RA_Bill_No
+            ).filter(
+                TrenchExcavation.subcontractor_id == subcontractor_id
+            ).distinct().order_by(TrenchExcavation.RA_Bill_No).all()
+
+        # (Add others same pattern later)
+        case _:
+            results = []
+
+    ra_bills = [r[0] for r in results if r[0]]
+
+    return {"ra_bills": ra_bills}
+
+
+# API FOR CHART DATA
+# @dashboard_bp.route("/api/subcontractor-chart")
+# def subcontractor_chart():
+
+#     subcontractor_id = request.args.get("subcontractor")
+#     category = request.args.get("category")
+#     ra_bill = request.args.get("ra_bill")
+
+#     labels = []
+#     values = []
+
+#     match category:
+
+#         # ✅ Trench
+#         case "trench_excavation":
+#             query = db.session.query(
+#                 TrenchExcavation.excavation_category,
+#                 func.sum(TrenchExcavation.Total)
+#             )
+
+#             if subcontractor_id:
+#                 query = query.filter(TrenchExcavation.subcontractor_id == subcontractor_id)
+
+#             if ra_bill:
+#                 query = query.filter(TrenchExcavation.RA_Bill_No == ra_bill)
+
+#             results = query.group_by(TrenchExcavation.excavation_category).all()
+
+#         # ✅ Manhole
+#         case "manhole_excavation":
+#             query = db.session.query(
+#                 ManholeExcavation.excavation_category,
+#                 func.sum(ManholeExcavation.Total)
+#             )
+
+#             if subcontractor_id:
+#                 query = query.filter(ManholeExcavation.subcontractor_id == subcontractor_id)
+
+#             if ra_bill:
+#                 query = query.filter(ManholeExcavation.RA_Bill_No == ra_bill)
+
+#             results = query.group_by(ManholeExcavation.excavation_category).all()
+
+#         case _:
+#             results = []
+
+#     for r in results:
+#         labels.append(r[0])
+#         values.append(float(r[1] or 0))
+
+#     return jsonify({
+#         "labels": labels,
+#         "values": values
+#     })
+
+
+@dashboard_bp.route("/api/trench-analysis")
+def trench_analysis():
+
+    subcontractor_id = request.args.get("subcontractor")
+    ra_bill = request.args.get("ra_bill")
+
+    query = TrenchExcavation.query
+
+    if subcontractor_id:
+        query = query.filter(TrenchExcavation.subcontractor_id == subcontractor_id)
+
+    if ra_bill:
+        query = query.filter(TrenchExcavation.RA_Bill_No == ra_bill)
+
+    data = query.all()
+
+    result = {
+        "Soft Murum": {"depth": 0, "qty": 0},
+        "Hard Murum": {"depth": 0, "qty": 0},
+        "Soft Rock": {"depth": 0, "qty": 0},
+        "Hard Rock": {"depth": 0, "qty": 0},
+    }
+
+    for r in data:
+
+        # Soft Murum
+        result["Soft Murum"]["depth"] += (
+            (r.Soft_Murum_0_to_1_5 or 0) +
+            (r.Soft_Murum_1_5_to_3_0 or 0) +
+            (r.Soft_Murum_3_0_to_4_5 or 0)
+        )
+        result["Soft Murum"]["qty"] += (
+            (r.Soft_Murum_0_to_1_5_total or 0) +
+            (r.Soft_Murum_1_5_to_3_0_total or 0) +
+            (r.Soft_Murum_3_0_to_4_5_total or 0)
+        )
+
+        # Hard Murum
+        result["Hard Murum"]["depth"] += (
+            (r.Hard_Murum_0_to_1_5 or 0) +
+            (r.Hard_Murum_1_5_to_3_0 or 0)
+        )
+        result["Hard Murum"]["qty"] += (
+            (r.Hard_Murum_0_to_1_5_total or 0) +
+            (r.Hard_Murum_1_5_and_above_total or 0)
+        )
+
+        # Soft Rock
+        result["Soft Rock"]["depth"] += (
+            (r.Soft_Rock_0_to_1_5 or 0) +
+            (r.Soft_Rock_1_5_to_3_0 or 0)
+        )
+        result["Soft Rock"]["qty"] += (
+            (r.Soft_Rock_0_to_1_5_total or 0) +
+            (r.Soft_Rock_1_5_and_above_total or 0)
+        )
+
+        # Hard Rock
+        result["Hard Rock"]["depth"] += (
+            (r.Hard_Rock_0_to_1_5 or 0) +
+            (r.Hard_Rock_1_5_to_3_0 or 0) +
+            (r.Hard_Rock_3_0_to_4_5 or 0) +
+            (r.Hard_Rock_4_5_to_6_0 or 0) +
+            (r.Hard_Rock_6_0_to_7_5 or 0)
+        )
+        result["Hard Rock"]["qty"] += (
+            (r.Hard_Rock_0_to_1_5_total or 0) +
+            (r.Hard_Rock_1_5_to_3_0_total or 0) +
+            (r.Hard_Rock_3_0_to_4_5_total or 0) +
+            (r.Hard_Rock_4_5_to_6_0_total or 0) +
+            (r.Hard_Rock_6_0_to_7_5_total or 0)
+        )
+
+    labels = list(result.keys())
+    depth = [result[k]["depth"] for k in labels]
+    qty = [result[k]["qty"] for k in labels]
+
+    return jsonify({
+        "labels": labels,
+        "depth": depth,
+        "qty": qty
+    })

app/routes/file_format.py

@@ -0,0 +1,28 @@
+from flask import Blueprint, render_template, send_from_directory, abort, current_app
+from app.utils.helpers import login_required
+from app.utils.file_utils import get_download_format_folder
+import os
+
+file_format_bp  = Blueprint("file_format", __name__)
+
+@file_format_bp .route("/file_format")
+@login_required
+def download_format():
+    return render_template("file_format.html", title="Download File Formats")
+
+
+@file_format_bp .route("/file_format/download/<filename>")
+@login_required
+def download_excel_format(filename):
+
+    download_folder = get_download_format_folder()
+    file_path = os.path.join(download_folder, filename)
+
+    if not os.path.exists(file_path):
+        abort(404)
+
+    return send_from_directory(
+        directory=download_folder,
+        path=filename,
+        as_attachment=True
+    )

app/routes/file_import.py

@@ -1,21 +1,46 @@
 from flask import Blueprint, render_template, request, flash
 from app.services.file_service import FileService
 from app.models.subcontractor_model import Subcontractor
+from app.utils.helpers import login_required
 
 file_import_bp = Blueprint("file_import", __name__, url_prefix="/file")
 
-@file_import_bp.route("/import", methods=["GET", "POST"])
+# this is contractractor immport routes
+@file_import_bp.route("/import_Subcontractor", methods=["GET", "POST"])
+@login_required
 def import_file():
     subcontractors = Subcontractor.query.all()
 
     if request.method == "POST":
         file = request.files.get("file")
         subcontractor_id = request.form.get("subcontractor_id")
-        file_type = request.form.get("file_type")
+        RA_Bill_No = request.form.get("RA_Bill_No")
 
         service = FileService()
-        success, msg = service.handle_file_upload(file, subcontractor_id, file_type)
+        success, msg = service.handle_file_upload(file, subcontractor_id, RA_Bill_No)
 
         flash(msg, "success" if success else "danger")
 
-    return render_template("file_import.html", title="File Import", subcontractors=subcontractors)
+    return render_template(
+        "file_import_subcontractor.html",
+        title="Sub-cont. File Import",
+        subcontractors=subcontractors
+    )
+
+
+# this is client import routes
+@file_import_bp.route("/import_client", methods=["GET", "POST"])
+@login_required
+def client_import_file():
+    subcontractors = Subcontractor.query.all()
+
+    if request.method == "POST":
+        file = request.files.get("file")
+        RA_Bill_No = request.form.get("RA_Bill_No")
+
+        service = FileService()
+        success, msg = service.handle_client_file_upload(file, RA_Bill_No)
+
+        flash(msg, "success" if success else "danger")
+
+    return render_template("file_import_client.html", title="Client File Import", subcontractors=subcontractors)

app/routes/file_report.py

@@ -0,0 +1,205 @@
+import pandas as pd
+import io
+from flask import Blueprint, render_template, request, send_file, flash
+from app.utils.helpers import login_required
+
+from app.models.subcontractor_model import Subcontractor
+
+from app.models.manhole_excavation_model import ManholeExcavation
+from app.models.trench_excavation_model import TrenchExcavation
+from app.models.manhole_domestic_chamber_model import ManholeDomesticChamber
+from app.models.laying_model import Laying
+
+from app.models.mh_ex_client_model import ManholeExcavationClient
+from app.models.tr_ex_client_model import TrenchExcavationClient
+from app.models.mh_dc_client_model import ManholeDomesticChamberClient
+from app.models.laying_client_model import LayingClient
+
+ 
+# --- BLUEPRINT DEFINITION ---
+file_report_bp = Blueprint("file_report", __name__, url_prefix="/file")
+ 
+# --- Client class ---
+class ClientBill:
+    def __init__(self):
+        self.df_tr = pd.DataFrame()
+        self.df_mh = pd.DataFrame()
+        self.df_dc = pd.DataFrame()
+        self.df_laying = pd.DataFrame()
+ 
+    def Fetch(self, RA_Bill_No):
+        trench = TrenchExcavationClient.query.filter_by(RA_Bill_No=RA_Bill_No).all()
+        mh = ManholeExcavationClient.query.filter_by(RA_Bill_No=RA_Bill_No).all()
+        dc = ManholeDomesticChamberClient.query.filter_by(RA_Bill_No=RA_Bill_No).all()
+        lay = LayingClient.query.filter_by(RA_Bill_No=RA_Bill_No).all()
+ 
+        self.df_tr = pd.DataFrame([c.serialize() for c in trench])
+        self.df_mh = pd.DataFrame([c.serialize() for c in mh])
+        self.df_dc = pd.DataFrame([c.serialize() for c in dc])
+        self.df_laying = pd.DataFrame([c.serialize() for c in lay])
+  
+        drop_cols = ["id", "created_at", "_sa_instance_state"]
+        for df in [self.df_tr, self.df_mh, self.df_dc, self.df_laying]:
+            if not df.empty:
+                df.drop(columns=drop_cols, errors="ignore", inplace=True)
+ 
+# --- Subcontractor class ---
+class SubcontractorBill:
+    def __init__(self):
+        self.df_tr = pd.DataFrame()
+        self.df_mh = pd.DataFrame()
+        self.df_dc = pd.DataFrame()
+        self.df_laying = pd.DataFrame()
+ 
+    def Fetch(self, RA_Bill_No=None, subcontractor_id=None):
+        filters = {}
+        if subcontractor_id:
+            filters["subcontractor_id"] = subcontractor_id
+        if RA_Bill_No:
+            filters["RA_Bill_No"] = RA_Bill_No
+ 
+        trench = TrenchExcavation.query.filter_by(**filters).all()
+        mh = ManholeExcavation.query.filter_by(**filters).all()
+        dc = ManholeDomesticChamber.query.filter_by(**filters).all()
+        lay = Laying.query.filter_by(**filters).all()
+ 
+        self.df_tr = pd.DataFrame([c.serialize() for c in trench])
+        self.df_mh = pd.DataFrame([c.serialize() for c in mh])
+        self.df_dc = pd.DataFrame([c.serialize() for c in dc])
+        self.df_laying = pd.DataFrame([c.serialize() for c in lay])
+  
+        drop_cols = ["id", "created_at", "_sa_instance_state"]
+        for df in [self.df_tr, self.df_mh, self.df_dc, self.df_laying]:
+            if not df.empty:
+                df.drop(columns=drop_cols, errors="ignore", inplace=True)
+
+
+# --- subcontractor report only  ---
+@file_report_bp.route("/Subcontractor_report", methods=["GET", "POST"])
+@login_required
+def report_file():
+    subcontractors = Subcontractor.query.all()
+    tables = None 
+    selected_sc_id = None
+    ra_bill_no = None
+    download_all = False
+ 
+    if request.method == "POST":
+        subcontractor_id = request.form.get("subcontractor_id")
+        ra_bill_no = request.form.get("ra_bill_no")
+        download_all = request.form.get("download_all") == "true"
+        action = request.form.get("action")
+ 
+        if not subcontractor_id:
+            flash("Please select a subcontractor.", "danger")
+            return render_template("subcontractor_report.html", subcontractors=subcontractors)
+ 
+        subcontractor = Subcontractor.query.get(subcontractor_id)
+        bill_gen = SubcontractorBill()
+ 
+        if download_all:
+            bill_gen.Fetch(subcontractor_id=subcontractor_id)
+            file_name = f"{subcontractor.subcontractor_name}_ALL_BILLS.xlsx"
+        else:
+            if not ra_bill_no:
+                flash("Please enter an RA Bill Number.", "danger")
+                return render_template("subcontractor_report.html", subcontractors=subcontractors)
+            bill_gen.Fetch(RA_Bill_No=ra_bill_no, subcontractor_id=subcontractor_id)
+            file_name = f"{subcontractor.subcontractor_name}_RA_{ra_bill_no}_Report.xlsx"
+ 
+        if bill_gen.df_tr.empty and bill_gen.df_mh.empty and bill_gen.df_dc.empty:
+            flash("No data found for this selection.", "warning")
+            return render_template("subcontractor_report.html", subcontractors=subcontractors)
+ 
+        # If download is clicked, return file immediately
+        if action == "download":
+            output = io.BytesIO()
+            with pd.ExcelWriter(output, engine="xlsxwriter") as writer:
+                bill_gen.df_tr.to_excel(writer, index=False, sheet_name="Tr.Ex.")
+                bill_gen.df_mh.to_excel(writer, index=False, sheet_name="MH.Ex.")
+                bill_gen.df_dc.to_excel(writer, index=False, sheet_name="MH & DC")
+                bill_gen.df_laying.to_excel(writer, index=False, sheet_name="Laying")
+            output.seek(0)
+            return send_file(output, download_name=file_name, as_attachment=True)
+ 
+        # We add bootstrap classes directly to the pandas output
+        table_classes = "table table-bordered table-striped table-hover table-sm mb-0"
+        tables = {
+            "tr": bill_gen.df_tr.to_html(classes=table_classes, index=False),
+            "mh": bill_gen.df_mh.to_html(classes=table_classes, index=False),
+            "dc": bill_gen.df_dc.to_html(classes=table_classes, index=False),
+            "laying": bill_gen.df_laying.to_html(classes=table_classes, index=False)
+        }
+        selected_sc_id = subcontractor_id
+ 
+    return render_template(
+        "subcontractor_report.html",
+        subcontractors=subcontractors,
+        tables=tables,
+        selected_sc_id=selected_sc_id,
+        ra_bill_no=ra_bill_no,
+        download_all=download_all
+    )
+ 
+
+# --- CLIENT REPORT (PREVIEW + DOWNLOAD) ---
+@file_report_bp.route("/client_report", methods=["GET", "POST"])
+@login_required
+def client_report():
+
+    tables = {"tr": None, "mh": None, "dc": None, "laying": None}
+    ra_val = ""
+
+    if request.method == "POST":
+
+        # ⚠ MUST match HTML name
+        RA_Bill_No = request.form.get("RA_Bill_No")
+        action = request.form.get("action")
+        ra_val = RA_Bill_No
+
+        if not RA_Bill_No:
+            flash("Please enter RA Bill No.", "danger")
+            return render_template("client_report.html", tables=tables, ra_val=ra_val)
+
+        # -------- FETCH CLIENT DATA --------
+        bill_gen = ClientBill()
+        bill_gen.Fetch(RA_Bill_No)
+
+        # If no data
+        if (
+            bill_gen.df_tr.empty and
+            bill_gen.df_mh.empty and
+            bill_gen.df_dc.empty and
+            bill_gen.df_laying.empty
+        ):
+            flash(f"No Client records found for RA Bill {RA_Bill_No}", "warning")
+            return render_template("client_report.html", tables=tables, ra_val=ra_val)
+
+        # -------- DOWNLOAD --------
+        if action == "download":
+
+            output = io.BytesIO()
+
+            with pd.ExcelWriter(output, engine="xlsxwriter") as writer:
+                bill_gen.df_tr.to_excel(writer, index=False, sheet_name="Trench")
+                bill_gen.df_mh.to_excel(writer, index=False, sheet_name="MH")
+                bill_gen.df_dc.to_excel(writer, index=False, sheet_name="MH & DC")
+                bill_gen.df_laying.to_excel(writer, index=False, sheet_name="Laying")
+
+            output.seek(0)
+
+            return send_file(
+                output,
+                download_name=f"Client_RA_{RA_Bill_No}_Report.xlsx",
+                as_attachment=True
+            )
+
+        # -------- PREVIEW --------
+        table_class = "table table-bordered table-striped table-hover table-sm"
+
+        tables["tr"] = bill_gen.df_tr.to_html(classes=table_class, index=False)
+        tables["mh"] = bill_gen.df_mh.to_html(classes=table_class, index=False)
+        tables["dc"] = bill_gen.df_dc.to_html(classes=table_class, index=False)
+        tables["laying"] = bill_gen.df_laying.to_html(classes=table_class, index=False)
+
+    return render_template("client_report.html", tables=tables, ra_val=ra_val)

app/routes/generate_comparison_report.py

@@ -0,0 +1,253 @@
+from flask import Blueprint, render_template, request, send_file, flash
+from collections import defaultdict
+import pandas as pd
+import io
+
+from app.models.subcontractor_model import Subcontractor
+from app.models.trench_excavation_model import TrenchExcavation
+from app.models.manhole_excavation_model import ManholeExcavation
+from app.models.manhole_domestic_chamber_model import ManholeDomesticChamber
+from app.models.laying_model import Laying
+ 
+from app.models.tr_ex_client_model import TrenchExcavationClient
+from app.models.mh_ex_client_model import ManholeExcavationClient
+from app.models.mh_dc_client_model import ManholeDomesticChamberClient
+from app.models.laying_client_model import LayingClient
+ 
+from app.utils.helpers import login_required
+from app.utils.regex_utils import RegularExpression
+ 
+ 
+generate_report_bp = Blueprint("generate_report", __name__, url_prefix="/report")
+ 
+ 
+
+ 
+# NORMALIZER
+def normalize_key(value):
+    if value is None:
+        return None
+    return str(value).strip().upper()
+ 
+ 
+# HEADER FORMATTER
+def format_header(header):
+    if "-" in header:
+        prefix, rest = header.split("-", 1)
+        prefix = prefix.title()
+    else:
+        prefix, rest = None, header
+ 
+    parts = rest.split("_")
+    result = []
+    i = 0
+ 
+    while i < len(parts):
+        if i + 1 < len(parts) and parts[i].isdigit() and parts[i + 1].isdigit():
+            result.append(f"{parts[i]}.{parts[i + 1]}")
+            i += 2
+        else:
+            result.append(parts[i].title())
+            i += 1
+ 
+    final_text = " ".join(result)
+    return f"{prefix}-{final_text}" if prefix else final_text
+ 
+ 
+# LOOKUP CREATOR
+def make_lookup(rows, key_field):
+    lookup = {}
+    for r in rows:
+        location = normalize_key(r.get("Location"))
+        key_val = normalize_key(r.get(key_field))
+ 
+        if location and key_val:
+            lookup.setdefault((location, key_val), []).append(r)
+ 
+    return lookup
+ 
+ 
+ 
+# COMPARISON BUILDER
+def build_comparison(client_rows, contractor_rows, key_field):
+    contractor_lookup = make_lookup(contractor_rows, key_field)
+    output = []
+ 
+    used_index = defaultdict(int)  # 🔥 THIS FIXES YOUR ISSUE
+ 
+    for c in client_rows:
+     
+        client_location = normalize_key(c.get("Location"))
+        client_key = normalize_key(c.get(key_field))
+ 
+        if not client_location or not client_key:
+            continue
+ 
+        subs = contractor_lookup.get((client_location, client_key))
+        if not subs:
+            continue
+ 
+        idx = used_index[(client_location, client_key)]
+ 
+        # ❗ If subcontractor rows are exhausted, skip
+        if idx >= len(subs):
+            continue
+ 
+        s = subs[idx]                     # ✅ take NEXT subcontractor row
+        used_index[(client_location, client_key)] += 1
+ 
+        # ---- totals ----
+        client_total = sum(
+            float(v or 0)
+            for k, v in c.items()
+            if k.endswith("_total")
+            or RegularExpression.D_RANGE_PATTERN.match(k)
+            or RegularExpression.PIPE_MM_PATTERN.match(k)
+        )
+ 
+        sub_total = sum(
+            float(v or 0)
+            for k, v in s.items()
+            if k.endswith("_total")
+            or RegularExpression.D_RANGE_PATTERN.match(k)
+            or RegularExpression.PIPE_MM_PATTERN.match(k)
+        )
+ 
+        row = {
+            "Location": client_location,
+            key_field.replace("_", " "): client_key
+        }
+ 
+        for k, v in c.items():
+            if k not in ["id", "created_at"]:
+                row[f"Client-{k}"] = v
+ 
+        row["Client-Total"] = round(client_total, 2)
+        row[" "] = ""
+ 
+        for k, v in s.items():
+            if k not in ["id", "created_at", "subcontractor_id"]:
+                row[f"Subcontractor-{k}"] = v
+ 
+        row["Subcontractor-Total"] = round(sub_total, 2)
+        row["Diff"] = round(client_total - sub_total, 2)
+ 
+        output.append(row)
+ 
+    df = pd.DataFrame(output)
+    # formatting headers    
+    df.columns = [format_header(col) for col in df.columns]
+    
+    return df
+ 
+ 
+ 
+# EXCEL SHEET WRITER
+def write_sheet(writer, df, sheet_name, subcontractor_name):
+    workbook = writer.book
+
+    # write dataframe (data already correct)
+    df.to_excel(writer, sheet_name=sheet_name, index=False, startrow=3)
+    ws = writer.sheets[sheet_name]
+
+    # formats
+    title_fmt = workbook.add_format({"bold": True, "font_size": 14})
+    client_fmt = workbook.add_format({"bold": True, "border": 1, "bg_color": "#D9EDF7"})
+    sub_fmt = workbook.add_format({"bold": True, "border": 1, "bg_color": "#F7E1D9"})
+    total_fmt = workbook.add_format({"bold": True, "border": 1, "bg_color": "#FFF2CC"})
+    diff_fmt = workbook.add_format({"bold": True, "border": 1, "bg_color": "#E2EFDA"})
+    default_header_fmt = workbook.add_format({
+        "bold": True,
+        "border": 1,
+        "bg_color": "#E7E6E6",
+        "align": "center",
+        "valign": "vcenter"
+    })
+
+    # titles
+    ws.merge_range(
+        0, 0, 0, len(df.columns) - 1,
+        "CLIENT vs SUBCONTRACTOR",
+        title_fmt
+    )
+    ws.merge_range(
+        1, 0, 1, len(df.columns) - 1,
+        f"Subcontractor Name - {subcontractor_name}",
+        title_fmt
+    )
+
+    # header formatting
+    for col_num, col_name in enumerate(df.columns):
+        if col_name.startswith("Client-"):
+            ws.write(3, col_num, col_name, client_fmt)
+        elif col_name.startswith("Subcontractor-"):
+            ws.write(3, col_num, col_name, sub_fmt)
+        elif col_name.endswith("Total"):
+            ws.write(3, col_num, col_name, total_fmt)
+        elif col_name == "Diff":
+            ws.write(3, col_num, col_name, diff_fmt)
+        else:
+            ws.write(3, col_num, col_name, default_header_fmt)
+
+        ws.set_column(col_num, col_num, 20)
+
+ 
+# REPORT ROUTE
+@generate_report_bp.route("/comparison_report", methods=["GET", "POST"])
+@login_required
+def comparison_report():
+    subcontractors = Subcontractor.query.all()
+ 
+    if request.method == "POST":
+        subcontractor_id = request.form.get("subcontractor_id")
+        if not subcontractor_id:
+            flash("Please select subcontractor", "danger")
+            return render_template("generate_comparison_report.html",subcontractors=subcontractors)
+ 
+        subcontractor = Subcontractor.query.get_or_404(subcontractor_id)
+ 
+        # -------- DATA --------
+        tr_client = [r.serialize() for r in TrenchExcavationClient.query.all()]
+        tr_sub = [r.serialize() for r in TrenchExcavation.query.filter_by(
+            subcontractor_id=subcontractor_id
+        ).all()]
+        df_tr = build_comparison(tr_client, tr_sub, "MH_NO")
+ 
+        mh_client = [r.serialize() for r in ManholeExcavationClient.query.all()]
+        mh_sub = [r.serialize() for r in ManholeExcavation.query.filter_by(
+            subcontractor_id=subcontractor_id
+        ).all()]
+        df_mh = build_comparison(mh_client, mh_sub, "MH_NO")
+ 
+        dc_client = [r.serialize() for r in ManholeDomesticChamberClient.query.all()]
+        dc_sub = [r.serialize() for r in ManholeDomesticChamber.query.filter_by(
+            subcontractor_id=subcontractor_id
+        ).all()]
+        df_dc = build_comparison(dc_client, dc_sub, "MH_NO")
+ 
+        lay_client = [r.serialize() for r in LayingClient.query.all()]
+        lay_sub = [r.serialize() for r in Laying.query.filter_by(
+            subcontractor_id=subcontractor_id
+        ).all()]
+        df_lay = build_comparison(lay_client, lay_sub, "MH_NO")
+ 
+        # -------- EXCEL --------
+        output = io.BytesIO()
+        filename = f"{subcontractor.subcontractor_name}_Comparison_Report.xlsx"
+ 
+        with pd.ExcelWriter(output, engine="xlsxwriter") as writer:
+            write_sheet(writer, df_tr, "Tr.Ex", subcontractor.subcontractor_name)
+            write_sheet(writer, df_mh, "Mh.Ex", subcontractor.subcontractor_name)
+            write_sheet(writer, df_dc, "MH & DC", subcontractor.subcontractor_name)
+            write_sheet(writer, df_lay, "Laying", subcontractor.subcontractor_name)
+ 
+        output.seek(0)
+        return send_file(
+            output,
+            as_attachment=True,
+            download_name=filename,
+            mimetype="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
+        )
+ 
+    return render_template("generate_comparison_report.html",subcontractors=subcontractors)
+ 

app/routes/subcontractor_routes.py

@@ -1,64 +1,159 @@
-from flask import Blueprint, render_template, request, redirect, flash
+from flask import Blueprint, render_template, request, redirect, flash, current_app, url_for
-from app import db
+from app.services.db_service import db
 from app.models.subcontractor_model import Subcontractor
+from app.utils.helpers import login_required
 
 subcontractor_bp = Blueprint("subcontractor", __name__, url_prefix="/subcontractor")
 
+
 # ---------------- ADD -----------------
 @subcontractor_bp.route("/add")
+@login_required
 def add_subcontractor():
+    current_app.logger.info("Opened Add Subcontractor Page")
     return render_template("subcontractor/add.html")
 
+
+# ---------------- SAVE -----------------
 @subcontractor_bp.route("/save", methods=["POST"])
+@login_required
 def save_subcontractor():
-    subcontractor = Subcontractor(
-        subcontractor_name=request.form.get("subcontractor_name"),
-        contact_person=request.form.get("contact_person"),
-        mobile_no=request.form.get("mobile_no"),
-        email_id=request.form.get("email_id"),
-        gst_no=request.form.get("gst_no")
-    )
-    db.session.add(subcontractor)
-    db.session.commit()
 
-    flash("Subcontractor added successfully!", "success")
+    name = request.form.get("subcontractor_name", "").strip()
-    return redirect("/subcontractor/list")
 
-# ---------------- LIST -----------------
+    if not name:
+        current_app.logger.warning("Empty subcontractor name submitted")
+        flash("Subcontractor name cannot be empty.", "danger")
+        return redirect(url_for("subcontractor.add_subcontractor"))
+
+    existing_sub = Subcontractor.query.filter_by(subcontractor_name=name).first()
+
+    if existing_sub:
+        current_app.logger.warning(f"Duplicate subcontractor attempt: {name}")
+        flash(f"Subcontractor with name '{name}' already exists!", "danger")
+        return redirect(url_for("subcontractor.add_subcontractor"))
+
+    try:
+        subcontractor = Subcontractor(
+            subcontractor_name=name,
+            contact_person=request.form.get("contact_person"),
+            address=request.form.get("address"),
+            mobile_no=request.form.get("mobile_no"),
+            email_id=request.form.get("email_id"),
+            gst_no=request.form.get("gst_no"),
+            pan_no=request.form.get("pan_no")
+        )
+
+        db.session.add(subcontractor)
+        db.session.commit()
+
+        current_app.logger.info(f"Subcontractor Created Successfully: {name}")
+        flash("Subcontractor added successfully!", "success")
+
+    except Exception:
+        db.session.rollback()
+        current_app.logger.exception("Error while saving subcontractor")
+        flash("An error occurred while saving.", "danger")
+
+    return redirect(url_for("subcontractor.subcontractor_list"))
+
+
+# ---------------- LIST (UPDATED WITH PAGINATION) -----------------
 @subcontractor_bp.route("/list")
+@login_required
 def subcontractor_list():
-    subcontractors = Subcontractor.query.all()
+
-    return render_template("subcontractor/list.html", subcontractors=subcontractors)
+    page = request.args.get("page", 1, type=int)
+    per_page = 10  # Change how many records per page
+
+    pagination = Subcontractor.query.order_by(
+        Subcontractor.created_at
+    ).paginate(
+        page=page,
+        per_page=per_page,
+        error_out=False
+    )
+
+    subcontractors = pagination.items
+
+    current_app.logger.info(f"Viewed Subcontractor List - Page {page}")
+
+    return render_template(
+        "subcontractor/list.html",
+        subcontractors=subcontractors,
+        pagination=pagination
+    )
+
 
 # ---------------- EDIT -----------------
 @subcontractor_bp.route("/edit/<int:id>")
+@login_required
 def edit_subcontractor(id):
     subcontractor = Subcontractor.query.get_or_404(id)
+    current_app.logger.info(f"Editing Subcontractor ID: {id}")
     return render_template("subcontractor/edit.html", subcontractor=subcontractor)
 
+
 # ---------------- UPDATE -----------------
 @subcontractor_bp.route("/update/<int:id>", methods=["POST"])
+@login_required
 def update_subcontractor(id):
+
     subcontractor = Subcontractor.query.get_or_404(id)
+    new_name = request.form.get("subcontractor_name", "").strip()
 
-    subcontractor.subcontractor_name = request.form.get("subcontractor_name")
+    duplicate = Subcontractor.query.filter(
-    subcontractor.contact_person = request.form.get("contact_person")
+        Subcontractor.subcontractor_name == new_name,
-    subcontractor.mobile_no = request.form.get("mobile_no")
+        Subcontractor.id != id
-    subcontractor.email_id = request.form.get("email_id")
+    ).first()
-    subcontractor.gst_no = request.form.get("gst_no")
 
-    db.session.commit()
+    if duplicate:
+        current_app.logger.warning(f"Duplicate update attempt: {new_name}")
+        flash("Another subcontractor already uses this name.", "danger")
+        return redirect(url_for("subcontractor.edit_subcontractor", id=id))
+
+    try:
+        old_name = subcontractor.subcontractor_name
+
+        subcontractor.subcontractor_name = new_name
+        subcontractor.contact_person = request.form.get("contact_person")
+        subcontractor.address = request.form.get("address")
+        subcontractor.mobile_no = request.form.get("mobile_no")
+        subcontractor.email_id = request.form.get("email_id")
+        subcontractor.gst_no = request.form.get("gst_no")
+        subcontractor.pan_no = request.form.get("pan_no")
+        subcontractor.status = request.form.get("status")
+
+        db.session.commit()
+
+        current_app.logger.info(f"Subcontractor Updated: {old_name} → {new_name}")
+        flash("Subcontractor updated successfully!", "success")
+
+    except Exception:
+        db.session.rollback()
+        current_app.logger.exception("Error updating subcontractor")
+        flash("Update failed!", "danger")
+
+    return redirect(url_for("subcontractor.subcontractor_list"))
 
-    flash("Subcontractor updated successfully!", "success")
-    return redirect("/subcontractor/list")
 
 # ---------------- DELETE -----------------
 @subcontractor_bp.route("/delete/<int:id>")
+@login_required
 def delete_subcontractor(id):
     subcontractor = Subcontractor.query.get_or_404(id)
 
-    db.session.delete(subcontractor)
+    try:
-    db.session.commit()
+        name = subcontractor.subcontractor_name
+        db.session.delete(subcontractor)
+        db.session.commit()
 
-    flash("Subcontractor deleted successfully!", "success")
+        current_app.logger.info(f"Subcontractor Deleted: {name}")
-    return redirect("/subcontractor/list")
+        flash("Subcontractor deleted successfully!", "success")
+
+    except Exception:
+        db.session.rollback()
+        current_app.logger.exception("Error deleting subcontractor")
+        flash("Delete failed!", "danger")
+
+    return redirect(url_for("subcontractor.subcontractor_list"))

app/routes/user.py

@@ -1,9 +1,13 @@
 from flask import Blueprint, render_template
 from app.services.user_service import UserService
+from app.utils.helpers import login_required
+from flask import current_app
 
 user_bp = Blueprint("user", __name__, url_prefix="/user")
 
 @user_bp.route("/list")
+@login_required
 def list_users():
-    users = UserService().get_all_users()
+    current_app.logger.info("User list viewed")
-    return render_template("users.html", users=users, title="Users")
+    users = UserService.get_all_users()
+    return render_template("users.html", users=users, title="Users")

app/services/dashboard_service.py

@@ -0,0 +1,49 @@
+from app.config import Config
+from app import db
+import matplotlib
+matplotlib.use("Agg")
+from app.routes.dashboard import plot_to_base64
+import matplotlib.pyplot as plt
+import io
+import base64
+
+from app.utils.plot_utils import plot_to_base64
+
+# Subcontractor models import
+from app.models.trench_excavation_model import TrenchExcavation
+
+# Client models import
+# from app.models.tr_ex_client_model import TrenchExcavationClient
+
+
+class DashboardService:
+
+
+    # bar chart
+    def bar_chart_of_tr_ex():
+        categories = ["Soft Murum", "Hard Murum", "Soft Rock", "Hard Rock"]
+        values = [120, 80, 150, 60]
+
+        tr = TrenchExcavation()
+
+        record = TrenchExcavation.query.first()
+        print(" RA_Bill_No::",record["RA_Bill_No"])
+
+        totals = tr.excavation_category_sums()
+
+        # print(totals["Soft_Murum_Total"])
+        # print(totals["Hard_Rock_Total"])
+
+
+        plt.figure()
+        plt.bar(categories, values)
+        plt.title("Trench Excavation Work Category Report")
+        plt.xlabel("Excavation category")
+        plt.ylabel("Quantity")
+
+        return plot_to_base64(plt)
+
+
+    def subcontractor_dash():
+            return True
+        

app/services/file_service.py

@@ -1,34 +1,60 @@
+from app import db
 import os
 import pandas as pd
 from werkzeug.utils import secure_filename
-from app.config import Config
+from app.utils.file_utils import ensure_upload_folder
-from app import db
+from app.utils.file_utils import get_uploads_folder
+from app.utils.file_utils import ALLOWED_EXTENSIONS
+
+# Subcontractor models import
 from app.models.trench_excavation_model import TrenchExcavation
 from app.models.manhole_excavation_model import ManholeExcavation
 from app.models.manhole_domestic_chamber_model import ManholeDomesticChamber
+from app.models.laying_model import Laying
+
+# Client models import
+from app.models.tr_ex_client_model import TrenchExcavationClient
+from app.models.mh_ex_client_model import ManholeExcavationClient
+from app.models.mh_dc_client_model import ManholeDomesticChamberClient
+from app.models.laying_client_model import LayingClient
 
-from app.utils.file_utils import ensure_upload_folder
 
 
 class FileService:
 
+    # ---------------- COMMON HELPERS ----------------
     def allowed_file(self, filename):
-        return "." in filename and filename.rsplit(".", 1)[1].lower() in Config.ALLOWED_EXTENSIONS
+        return ("." in filename and filename.rsplit(".", 1)[1].lower() in ALLOWED_EXTENSIONS)
 
-    def handle_file_upload(self, file, subcontractor_id, file_type):
+    def normalize(self, val):
+        if val is None or pd.isna(val):
+            return None
+        
+        val = str(val).strip()
+        if val.lower() in ["", "nan", "none", "-", "—"]:
+            return None
+
+        return val.upper()
+
+    # ---------------- SUBCONTRACTOR FILE UPLOAD ----------------
+    def handle_file_upload(self, file, subcontractor_id, RA_Bill_No):
 
         if not subcontractor_id:
             return False, "Please select subcontractor."
-        if not file_type:
+
-            return False, "Please select file type."
+        if not RA_Bill_No:
+            return False, "Please Enter RA Bill No."
+
         if not file or file.filename == "":
             return False, "No file selected."
+
         if not self.allowed_file(file.filename):
             return False, "Invalid file type! Allowed: CSV, XLSX, XLS"
 
         ensure_upload_folder()
+        path = get_uploads_folder()
 
-        folder = os.path.join(Config.UPLOAD_FOLDER, f"sub_{subcontractor_id}")
+        folder = os.path.join(path, f"sub_{subcontractor_id}")
         os.makedirs(folder, exist_ok=True)
 
         filename = secure_filename(file.filename)
@@ -36,190 +62,315 @@ class FileService:
         file.save(filepath)
 
         try:
-            df = pd.read_csv(filepath) if filename.endswith(".csv") else pd.read_excel(filepath)
+            df_tr_ex = pd.read_excel(filepath, sheet_name="Tr.Ex.", header=12, dtype={"MH No": str})
+            df_mh_ex = pd.read_excel(filepath, sheet_name="MH Ex.", header=12, dtype={"MH No": str})
+            df_mh_dc = pd.read_excel(filepath, sheet_name="MH & DC", header=11, dtype={"MH No": str})
+            df_laying = pd.read_excel(filepath, sheet_name="Laying", header=11, dtype={"MH No": str})
 
-            print("\n=== Uploaded File Preview ===")
+            self.process_trench_excavation(df_tr_ex, subcontractor_id, RA_Bill_No)
-            print(df.head())
+            self.process_manhole_excavation(df_mh_ex, subcontractor_id, RA_Bill_No)
-            print("=============================\n")
+            self.process_manhole_domestic_chamber(df_mh_dc, subcontractor_id, RA_Bill_No)
+            self.process_laying(df_laying, subcontractor_id, RA_Bill_No)
 
-            # Trench Excavation save 
+            return True, "SUBCONTRACTOR File uploaded successfully."
-            if file_type == "trench_excavation":
-                return self.process_trench_excavation(df, subcontractor_id)
-            
-            # Manhole Excavation save
-            if file_type == "manhole_excavation":
-                return self.process_manhole_excavation(df, subcontractor_id)
-            
-            # Manhole and Domestic Chamber Construction save
-            if file_type == "manhole_domestic_chamber":
-                return self.process_manhole_excavation(df, subcontractor_id)
-
-
-            return True, "File uploaded successfully."
-
-        except Exception as e:
-            return False, f"Processing failed: {e}"
-
-
-
-    #   Trench Excavation save method (TrenchExcavation model)
-    def process_trench_excavation(self, df, subcontractor_id):
-
-        # Clean column names (strip whitespace)
-        df.columns = [str(c).strip() for c in df.columns]
-
-        # If the sheet has merged cells -> forward fill Location
-        if "Location" in df.columns:
-            df["Location"] = df["Location"].ffill()
-
-        # REMOVE empty rows
-        df = df.dropna(how="all")
-
-        # Identify missing location rows before insert
-        missing_loc = df[df["Location"].isna() | (df["Location"].astype(str).str.strip() == "")]
-        if not missing_loc.empty:
-            return False, f"Error: Some rows have empty Location. Rows: {missing_loc.index.tolist()}"
-
-        saved_count = 0
-
-        try:
-            for index, row in df.iterrows():
-
-                record_data = {}
-
-                # Insert only fields that exist in model
-                for col in df.columns:
-                    if hasattr(TrenchExcavation, col):
-                        value = row[col]
-
-                        # Normalize empty values
-                        if pd.isna(value) or str(value).strip() in ["", "-", "—", "nan", "NaN"]:
-                            value = None
-
-                        record_data[col] = value
-
-                record = TrenchExcavation(
-                    subcontractor_id=subcontractor_id,
-                    **record_data
-                )
-
-                db.session.add(record)
-                saved_count += 1
-
-            db.session.commit()
-            return True, f"Trench Excavation data saved successfully. Total rows: {saved_count}"
 
         except Exception as e:
             db.session.rollback()
-            return False, f"Trench Excavation Save Failed: {e}"
+            return False, f"Import failed: {e}"
-        
 
-    #   Manhole Excavation save method (ManholeExcavation model)
+    # ---------------- Trench Excavation (Subcontractor) ----------------
-    def process_manhole_excavation(self, df, subcontractor_id):
+    def process_trench_excavation(self, df, subcontractor_id, RA_Bill_No):
 
-        # Clean column names (strip whitespace)
+        df.columns = (
-        df.columns = [str(c).strip() for c in df.columns]
+            df.columns.astype(str)
+            .str.strip()
+            .str.replace(r"[^\w]", "_", regex=True)
+            .str.replace("__+", "_", regex=True)
+            .str.strip("_")
+        )
+
+        df = df.dropna(how="all")
 
-        # If the sheet has merged cells -> forward fill Location
         if "Location" in df.columns:
             df["Location"] = df["Location"].ffill()
 
-        # REMOVE empty rows
+        errors = []
+
+        for idx, row in df.iterrows():
+            location = self.normalize(row.get("Location"))
+            mh_no = self.normalize(row.get("MH_NO"))
+
+            if not location or not mh_no:
+                continue
+
+            # exists = TrenchExcavation.query.filter_by(
+            #     subcontractor_id=subcontractor_id,
+            #     RA_Bill_No=RA_Bill_No,
+            #     Location=location,
+            #     MH_NO=mh_no,
+            # ).first()
+
+            # if exists:
+            #     errors.append(
+            #         f"Model-Tr.Ex. (Row {idx+1}): Duplicate → Location={location}, MH_NO={mh_no}"
+            #     )
+            #     continue
+
+            record_data = {}
+            for col in df.columns:
+                if hasattr(TrenchExcavation, col):
+                    val = row[col]
+                    if pd.isna(val) or str(val).strip() in ["", "-", "—", "nan"]:
+                        val = None
+                    record_data[col] = val
+
+            record = TrenchExcavation(
+                subcontractor_id=subcontractor_id,
+                RA_Bill_No=RA_Bill_No,
+                **record_data,
+            )
+            db.session.add(record)
+
+        if errors:
+            raise Exception(" | ".join(errors))
+
+        db.session.commit()
+
+    # ---------------- Manhole Excavation (Subcontractor) ----------------
+    def process_manhole_excavation(self, df, subcontractor_id, RA_Bill_No):
+
+        df.columns = (
+            df.columns.astype(str)
+            .str.strip()
+            .str.replace(r"[^\w]", "_", regex=True)
+            .str.replace("__+", "_", regex=True)
+            .str.strip("_")
+        )
+
         df = df.dropna(how="all")
 
-        # Identify missing location rows before insert
-        missing_loc = df[df["Location"].isna() | (df["Location"].astype(str).str.strip() == "")]
-        if not missing_loc.empty:
-            return False, f"Error: Some rows have empty Location. Rows: {missing_loc.index.tolist()}"
-
-        saved_count = 0
-
-        try:
-            for index, row in df.iterrows():
-
-                record_data = {}
-
-                # Insert only fields that exist in model
-                for col in df.columns:
-                    if hasattr(ManholeExcavation, col):
-                        value = row[col]
-
-                        # Normalize empty values
-                        if pd.isna(value) or str(value).strip() in ["", "-", "—", "nan", "NaN"]:
-                            value = None
-
-                        record_data[col] = value
-
-                record = ManholeExcavation(
-                    subcontractor_id=subcontractor_id,
-                    **record_data
-                )
-
-                db.session.add(record)
-                saved_count += 1
-
-            db.session.commit()
-            return True, f"Manhole Excavation data saved successfully. Total rows: {saved_count}"
-
-        except Exception as e:
-            db.session.rollback()
-            return False, f"Manhole Excavation Save Failed: {e}"
-
-
-    #   Manhole and Domestic Chamber Construction save method (ManholeDomesticChamber  model)
-    def process_manhole_excavation(self, df, subcontractor_id):
-
-        # Clean column names (strip whitespace)
-        df.columns = [str(c).strip() for c in df.columns]
-
-        # If the sheet has merged cells -> forward fill Location
         if "Location" in df.columns:
             df["Location"] = df["Location"].ffill()
 
-        # REMOVE empty rows
+        errors = []
+
+        for idx, row in df.iterrows():
+            location = self.normalize(row.get("Location"))
+            mh_no = self.normalize(row.get("MH_NO"))
+
+            if not location or not mh_no:
+                continue
+
+            # exists = ManholeExcavation.query.filter_by(
+            #     subcontractor_id=subcontractor_id,
+            #     RA_Bill_No=RA_Bill_No,
+            #     Location=location,
+            #     MH_NO=mh_no,
+            # ).first()
+
+            # if exists:
+            #     errors.append(
+            #         f"Model-MH Ex. (Row {idx+1}): Duplicate → Location={location}, MH_NO={mh_no}"
+            #     )
+            #     continue
+
+            record_data = {}
+            for col in df.columns:
+                if hasattr(ManholeExcavation, col):
+                    val = row[col]
+                    if pd.isna(val) or str(val).strip() in ["", "-", "—", "nan"]:
+                        val = None
+                    record_data[col] = val
+
+            record = ManholeExcavation(
+                subcontractor_id=subcontractor_id,
+                RA_Bill_No=RA_Bill_No,
+                **record_data,
+            )
+            db.session.add(record)
+
+        if errors:
+            raise Exception(" | ".join(errors))
+
+        db.session.commit()
+
+    # ---------------- Manhole & Domestic Chamber (Subcontractor) ----------------
+    def process_manhole_domestic_chamber(self, df, subcontractor_id, RA_Bill_No):
+
+        df.columns = (
+            df.columns.astype(str)
+            .str.strip()
+            .str.replace(r"[^\w]", "_", regex=True)
+            .str.replace("__+", "_", regex=True)
+            .str.strip("_")
+        )
+
         df = df.dropna(how="all")
 
-        # Identify missing location rows before insert
+        if "Location" in df.columns:
-        missing_loc = df[df["Location"].isna() | (df["Location"].astype(str).str.strip() == "")]
+            df["Location"] = df["Location"].ffill()
-        if not missing_loc.empty:
-            return False, f"Error: Some rows have empty Location. Rows: {missing_loc.index.tolist()}"
 
-        saved_count = 0
+        errors = []
+
+        for idx, row in df.iterrows():
+            location = self.normalize(row.get("Location"))
+            mh_no = self.normalize(row.get("MH_NO"))
+
+            if not location or not mh_no:
+                continue
+
+            # exists = ManholeDomesticChamber.query.filter_by(
+            #     subcontractor_id=subcontractor_id,
+            #     RA_Bill_No=RA_Bill_No,
+            #     Location=location,
+            #     MH_NO=mh_no,
+            # ).first()
+
+            # if exists:
+            #     errors.append(
+            #         f"Model-MH & DC (Row {idx+1}): Duplicate → Location={location}, MH_NO={mh_no}"
+            #     )
+            #     continue
+
+            record_data = {}
+            for col in df.columns:
+                if hasattr(ManholeDomesticChamber, col):
+                    val = row[col]
+                    if pd.isna(val) or str(val).strip() in ["", "-", "—", "nan"]:
+                        val = None
+                    record_data[col] = val
+
+            record = ManholeDomesticChamber(
+                subcontractor_id=subcontractor_id,
+                RA_Bill_No=RA_Bill_No,
+                **record_data,
+            )
+            db.session.add(record)
+
+        if errors:
+            raise Exception(" | ".join(errors))
+
+        db.session.commit()
+
+    # ---------------- Laying (Subcontractor) ----------------
+    def process_laying(self, df, subcontractor_id, RA_Bill_No):
+
+        df.columns = (
+            df.columns.astype(str)
+            .str.strip()
+            .str.replace(r"[^\w]", "_", regex=True)
+            .str.replace("__+", "_", regex=True)
+            .str.strip("_")
+        )
+
+        df = df.dropna(how="all")
+
+        if "Location" in df.columns:
+            df["Location"] = df["Location"].ffill()
+
+        errors = []
+
+        for idx, row in df.iterrows():
+            location = self.normalize(row.get("Location"))
+            mh_no = self.normalize(row.get("MH_NO"))
+
+            if not location or not mh_no:
+                continue
+
+            # exists = ManholeDomesticChamber.query.filter_by(
+            #     subcontractor_id=subcontractor_id,
+            #     RA_Bill_No=RA_Bill_No,
+            #     Location=location,
+            #     MH_NO=mh_no,
+            # ).first()
+
+            # if exists:
+            #     errors.append(
+            #         f"Model-MH & DC (Row {idx+1}): Duplicate → Location={location}, MH_NO={mh_no}"
+            #     )
+            #     continue
+
+            record_data = {}
+            for col in df.columns:
+                if hasattr(Laying, col):
+                    val = row[col]
+                    if pd.isna(val) or str(val).strip() in ["", "-", "—", "nan"]:
+                        val = None
+                    record_data[col] = val
+
+            record = Laying(
+                subcontractor_id=subcontractor_id,
+                RA_Bill_No=RA_Bill_No,
+                **record_data,
+            )
+            db.session.add(record)
+
+        if errors:
+            raise Exception(" | ".join(errors))
+
+        db.session.commit()
+
+
+    # ---------------- CLIENT FILE UPLOAD ----------------
+    def handle_client_file_upload(self, file, RA_Bill_No):
+
+        if not RA_Bill_No:
+            return False, "Please Enter RA Bill No."
+
+        if not file or file.filename == "":
+            return False, "No file selected."
+
+        if not self.allowed_file(file.filename):
+            return False, "Invalid file type! Allowed: CSV, XLSX, XLS"
+
+        ensure_upload_folder()
+        path = get_uploads_folder()
+
+        folder = os.path.join(path, f"Client_Bill_{RA_Bill_No}")
+        os.makedirs(folder, exist_ok=True)
+
+        filename = secure_filename(file.filename)
+        filepath = os.path.join(folder, filename)
+        file.save(filepath)
 
         try:
-            for index, row in df.iterrows():
+            df_tr_ex = pd.read_excel(filepath, sheet_name="Tr.Ex.", header=4)
+            df_mh_ex = pd.read_excel(filepath, sheet_name="MH Ex.", header=4)
+            df_mh_dc = pd.read_excel(filepath, sheet_name="MH & DC", header=3)
+            df_lay = pd.read_excel(filepath, sheet_name="Laying & Bedding", header=3)
 
-                record_data = {}
+            self.save_client_data(df_tr_ex, TrenchExcavationClient, RA_Bill_No)
-
+            self.save_client_data(df_mh_ex, ManholeExcavationClient, RA_Bill_No)
-                # Insert only fields that exist in model
+            self.save_client_data(df_mh_dc, ManholeDomesticChamberClient, RA_Bill_No)
-                for col in df.columns:
+            self.save_client_data(df_lay, LayingClient, RA_Bill_No)
-                    if hasattr(ManholeDomesticChamber, col):
-                        value = row[col]
-
-                        # Normalize empty values
-                        if pd.isna(value) or str(value).strip() in ["", "-", "—", "nan", "NaN"]:
-                            value = None
-
-                        record_data[col] = value
-
-                record = ManholeDomesticChamber(
-                    subcontractor_id=subcontractor_id,
-                    **record_data
-                )
-
-                db.session.add(record)
-                saved_count += 1
 
             db.session.commit()
-            return True, f"Manhole Domestic Chamber Construction data saved successfully. Total rows: {saved_count}"
+            return True, "Client file uploaded successfully."
 
         except Exception as e:
             db.session.rollback()
-            return False, f"Manhole Domestic Chamber Construction Save Failed: {e}"
+            return False, f"Client import failed: {e}"
-        
 
+    # ---------------- CLIENT SAVE METHOD ----------------
+    def save_client_data(self, df, model, RA_Bill_No):
 
+        df.columns = [str(c).strip() for c in df.columns]
 
+        if "Location" in df.columns:
+            df["Location"] = df["Location"].ffill()
 
+        df = df.dropna(how="all")
+
+        for idx, row in df.iterrows():
+            record_data = {}
+
+            for col in df.columns:
+                if hasattr(model, col):
+                    val = row[col]
+                    if pd.isna(val) or str(val).strip() in ["", "-", "—", "nan"]:
+                        val = None
+                    record_data[col] = val
+
+            record = model(RA_Bill_No=RA_Bill_No, **record_data)
+            db.session.add(record)
 
-        

app/services/logger_service.py

@@ -0,0 +1,79 @@
+import os
+import logging
+from logging.handlers import RotatingFileHandler
+from flask import request, session, has_request_context
+
+
+class RequestContextFilter(logging.Filter):
+
+    def filter(self, record):
+
+        if has_request_context():
+            record.user = session.get("user_email", "Anonymous")
+            record.ip = request.remote_addr
+            record.method = request.method
+            record.url = request.url
+        else:
+            record.user = "System"
+            record.ip = "N/A"
+            record.method = "N/A"
+            record.url = "N/A"
+
+        return True
+
+
+class LoggerService:
+
+    @staticmethod
+    def init_app(app):
+
+        if not os.path.exists("logs"):
+            os.makedirs("logs")
+
+        formatter = logging.Formatter(
+            "%(asctime)s | %(levelname)s | "
+            "User:%(user)s | IP:%(ip)s | "
+            "Method:%(method)s | URL:%(url)s | "
+            "%(message)s"
+        )
+
+        # INFO LOG
+        info_handler = RotatingFileHandler(
+            "logs/app.log",
+            maxBytes=5 * 1024 * 1024,
+            backupCount=5
+        )
+        info_handler.setLevel(logging.INFO)
+        info_handler.setFormatter(formatter)
+
+        # ERROR LOG
+        error_handler = RotatingFileHandler(
+            "logs/error.log",
+            maxBytes=5 * 1024 * 1024,
+            backupCount=5
+        )
+        error_handler.setLevel(logging.ERROR)
+        error_handler.setFormatter(formatter)
+
+        # CONSOLE
+        console_handler = logging.StreamHandler()
+        console_handler.setLevel(logging.DEBUG)
+        console_handler.setFormatter(formatter)
+
+        # 🔹 ADD FILTER (important)
+        context_filter = RequestContextFilter()
+
+        info_handler.addFilter(context_filter)
+        error_handler.addFilter(context_filter)
+        console_handler.addFilter(context_filter)
+
+        app.logger.setLevel(logging.DEBUG)
+
+        app.logger.addHandler(info_handler)
+        app.logger.addHandler(error_handler)
+        app.logger.addHandler(console_handler)
+
+        # Log every request automatically
+        @app.before_request
+        def log_request():
+            app.logger.info("Request Started")

app/services/user_service.py

@@ -1,47 +1,27 @@
-# from app.models.user_model import User
-# from app.services.db_service import db
-# import logging
-
-# class UserService:
-
-#     @staticmethod
-#     def register_user(name, email, password):
-#         user = User(name=name, email=email)
-#         user.set_password(password)
-#         db.session.add(user)
-#         db.session.commit()
-#         logging.info(f"New user registered: {email}")
-#         return user
-
-#     @staticmethod
-#     def validate_login(email, password):
-#         user = User.query.filter_by(email=email).first()
-#         if user and user.check_password(password):
-#             logging.info(f"Login success: {email}")
-#             return user
-#         logging.warning(f"Login failed for: {email}")
-#         return None
-
-#     @staticmethod
-#     def get_all_users():
-#         return User.query.all()
-
-
-from app.services.db_service import DBService
 from app.models.user_model import User
+from app.services.db_service import db
 
 class UserService:
 
-    def get_all_users(self):
+    @staticmethod
-        db = DBService().connect()
+    def register_user(name, email, password):
-        cursor = db.cursor(dictionary=True)
+        if User.query.filter_by(email=email).first():
+            return None
 
-        cursor.execute("SELECT id, name, email FROM users")
+        user = User(name=name, email=email)
-        rows = cursor.fetchall()
+        user.set_password(password)
 
-        users = [User(**row) for row in rows]
+        db.session.add(user)
+        db.session.commit()
+        return user
 
-        cursor.close()
+    @staticmethod
-        db.close()
+    def validate_login(email, password):
+        user = User.query.filter_by(email=email).first()
+        if user and user.check_password(password):
+            return user
+        return None
 
-        return users
+    @staticmethod
+    def get_all_users():
+        return User.query.all()

app/static/css/subcontractor.css

@@ -1,35 +0,0 @@
-body {
-    background: #f5f7fa;
-    font-family: Arial;
-    padding: 40px;
-}
-
-form {
-    width: 420px;
-    padding: 20px;
-    background: #fff;
-    border-radius: 8px;
-    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
-}
-
-label {
-    margin-top: 10px;
-    display: block;
-    font-weight: bold;
-}
-
-input,
-textarea {
-    width: 100%;
-    padding: 8px;
-    margin-top: 4px;
-}
-
-button {
-    margin-top: 20px;
-    padding: 10px 20px;
-    background: #0055ff;
-    color: #fff;
-    border: 0;
-    cursor: pointer;
-}

app/templates/base.html

@@ -3,62 +3,211 @@
 
 <head>
     <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
-    <title>{{ title if title else "ComparisonSoftware" }}</title>
+    <title>{{ title if title else "Comparison Software" }}</title>
 
+    <!-- Bootstrap CSS -->
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
-    <link rel="stylesheet" href="{{ url_for('static', filename='css/style.css') }}">
+
+    <!-- Bootstrap Icons -->
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons/font/bootstrap-icons.css" rel="stylesheet">
 </head>
 
-<body style="background:#f5f7fa;">
+<body class="bg-light">
+
+    <!-- NAVBAR -->
+    <!-- <nav class="navbar navbar-expand-lg navbar-dark bg-dark shadow-sm"> -->
+    <nav class="navbar navbar-expand-lg navbar-dark bg-dark shadow-sm fixed-top">
 
-    <nav class="navbar navbar-expand-lg navbar-dark bg-dark">
         <div class="container-fluid">
-            <a class="navbar-brand" href="/">LCEPL</a>
 
+            <!-- Brand -->
+            <a class="navbar-brand fw-bold" href="/">
+                <i class="bi bi-buildings me-1"></i> LCEPL
+            </a>
+
+            <!-- Mobile toggle -->
             <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navMenu">
                 <span class="navbar-toggler-icon"></span>
             </button>
 
+            <!-- Menu -->
             <div class="collapse navbar-collapse" id="navMenu">
-                <ul class="navbar-nav ms-auto">
+                <ul class="navbar-nav ms-auto align-items-lg-center">
 
-                    <li class="nav-item"><a class="nav-link" href="/dashboard">Dashboard</a></li>
+                    <!-- Dashboard -->
-                    <li class="nav-item"><a class="nav-link" href="/file/import">File Import</a></li>
+                    <li class="nav-item">
-                    <!-- <li class="nav-item"><a class="nav-link" href="/user/list">Users</a></li> -->
+                        <a class="nav-link" href="/dashboard">
-                    <!-- <li class="nav-item"><a class="nav-link" href="/subcontractor/add">Subcontractor</a></li> -->
+                            <i class="bi bi-speedometer2 me-1"></i> Dashboard
+                        </a>
+                    </li>
+
+                    <!-- Subcontractor Model -->
                     <li class="nav-item dropdown">
-                        <a class="nav-link dropdown-toggle" data-bs-toggle="dropdown" href="#">Subcontractor</a>
+                        <a class="nav-link dropdown-toggle" data-bs-toggle="dropdown" href="#">
-
+                            <i class="bi bi-people-fill me-1"></i> Subcontractor Model
+                        </a>
                         <ul class="dropdown-menu dropdown-menu-dark">
-                            <li><a class="dropdown-item" href="/subcontractor/add">Add Subcontractor</a></li>
+                            <li>
-                            <li><a class="dropdown-item" href="/subcontractor/list">Subcontractor List</a></li>
+                                <a class="dropdown-item" href="/subcontractor/add">
+                                    <i class="bi bi-plus-circle me-2"></i> Add Subcontractor
+                                </a>
+                            </li>
+                            <li>
+                                <a class="dropdown-item" href="/subcontractor/list">
+                                    <i class="bi bi-list-ul me-2"></i> Subcontractor List
+                                </a>
+                            </li>
                         </ul>
                     </li>
-                    <li class="nav-item"><a class="nav-link" href="/user/list">Users</a></li>
+
+                    <!-- Subcontractor File System -->
+                    <li class="nav-item dropdown">
+                        <a class="nav-link dropdown-toggle" data-bs-toggle="dropdown" href="#">
+                            <i class="bi bi-folder-fill me-1"></i>Subcontractor File System
+                        </a>
+                        <ul class="dropdown-menu dropdown-menu-dark">
+                            <li>
+                                <a class="dropdown-item" href="/file/import_Subcontractor">
+                                    <i class="bi bi-upload me-2"></i> Import File
+                                </a>
+                            </li>
+                            <li>
+                                <a class="dropdown-item" href="/file/Subcontractor_report">
+                                    <i class="bi bi-download me-2"></i> Show Reports
+                                </a>
+                            </li>
+
+                            <li>
+                                <a class="dropdown-item" href="/dashboard/subcontractor_dashboard">
+                                    <i class="bi bi-speedometer2 me-2"></i> Subcontractor Dashboard
+                                </a>
+                            </li>
+
+                        </ul>
+                    </li>
+
+                    <!-- Client System -->
+                    <li class="nav-item dropdown">
+                        <a class="nav-link dropdown-toggle" data-bs-toggle="dropdown" href="#">
+                            <i class="bi bi-building me-1"></i> Client File System
+                        </a>
+                        <ul class="dropdown-menu dropdown-menu-dark">
+                            <li>
+                                <a class="dropdown-item" href="/file/import_client">
+                                    <i class="bi bi-upload me-2"></i> Import Client File
+                                </a>
+                            </li>
+
+                            <li>
+                                <a class="dropdown-item" href="/file/client_report">
+                                    <i class="bi bi-arrow-left-right me-2"></i> Show Report
+                                </a>
+                            </li>
+                        </ul>
+                    </li>
+
+                    <!-- Reports -->
+                    <li class="nav-item dropdown">
+                        <a class="nav-link dropdown-toggle" data-bs-toggle="dropdown" href="#">
+                            <i class="bi bi-building me-1"></i> Reports
+                        </a>
+                        <ul class="dropdown-menu dropdown-menu-dark">
+
+                            <li>
+                                <a class="dropdown-item" href="/report/comparison_report">
+                                    <i class="bi bi-arrow-left-right me-2"></i> client vs sub-cont. Comparison Report
+                                </a>
+                            </li>
+                            <!-- <li>
+                                <a class="dropdown-item" href="/file/client_vs_subcont">
+                                    <i class="bi bi-arrow-left-right me-2"></i> Comparison Report
+                                </a>
+                            </li> -->
+                        </ul>
+                    </li>
+
+
+                    <!-- Formats -->
+                    <li class="nav-item">
+                        <a class="nav-link" href="/file_format">
+                            <i class="bi bi-file-earmark-text me-1"></i> Formats
+                        </a>
+                    </li>
+
+                    <!-- USER DROPDOWN -->
+                    {% if session.get("user_id") %}
+                    <li class="nav-item dropdown ms-lg-3">
+
+                        <a class="nav-link dropdown-toggle d-flex align-items-center gap-2" href="#"
+                            data-bs-toggle="dropdown">
+                            <i class="bi bi-person-circle fs-5"></i>
+                            <span class="d-none d-lg-inline">
+                                {{ session.get("user_name") }}
+                            </span>
+                        </a>
+
+                        <ul class="dropdown-menu dropdown-menu-end dropdown-menu-dark shadow">
+
+                            <!-- User card -->
+                            <li class="px-3 py-3 text-center border-bottom">
+                                <i class="bi bi-person-circle fs-1"></i>
+                                <div class="fw-semibold mt-1">
+                                    {{ session.get("user_name") }}
+                                </div>
+                                <small class="text-muted">Logged in user</small>
+                            </li>
+
+                            <li>
+                                <a class="dropdown-item" href="/dashboard">
+                                    <i class="bi bi-speedometer2 me-2"></i> Dashboard
+                                </a>
+                            </li>
+
+                            <li>
+                                <a class="dropdown-item text-warning" href="/logout">
+                                    <i class="bi bi-box-arrow-right me-2"></i> Logout
+                                </a>
+                            </li>
+
+                        </ul>
+                    </li>
+                    {% endif %}
 
                 </ul>
             </div>
         </div>
     </nav>
 
-    <div class="container mt-3">
+
-        {% with messages = get_flashed_messages(with_categories=true) %}
+    <!-- PAGE CONTENT -->
-        {% for category, message in messages %}
+    <div class="container-fluid vh-100 pt-5 overflow-hidden">
-        <div class="alert alert-{{ category }} alert-dismissible fade show">
+        <!-- FLASH MESSAGES -->
-            {{ message }}
+        <div class="container mt-3">
-            <button class="btn-close" data-bs-dismiss="alert"></button>
+            {% with messages = get_flashed_messages(with_categories=true) %}
+            {% if messages %}
+            {% for category, message in messages %}
+            <div class="alert alert-{{ category }} alert-dismissible fade show">
+                {{ message }}
+                <button class="btn-close" data-bs-dismiss="alert"></button>
+            </div>
+            {% endfor %}
+            {% endif %}
+            {% endwith %}
         </div>
-        {% endfor %}
-        {% endwith %}
-    </div>
 
-    <div class="container mt-4">
+
-        {% block content %}{% endblock %}
+        <div class="overflow-auto h-100">
+            <div class="container mt-4">
+                {% block content %}{% endblock %}
+            </div>
+        </div>
     </div>
 
 
+    <!-- Bootstrap JS -->
     <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
+
 </body>
 
 </html>

app/templates/client_report.html

@@ -0,0 +1,75 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="container-fluid mt-4">
+    <h2 class="mb-4">Client File Reports</h2>
+
+    <div class="card p-4 shadow-sm mb-5">
+        <form method="POST">
+            <label class="form-label fw-bold">RA Bill No</label>
+            <input type="text" name="RA_Bill_No" class="form-control mb-3" value="{{ ra_val }}" required>
+
+            <div class="row">
+                <div class="col-md-6">
+                    <button type="submit" name="action" value="preview" class="btn btn-secondary w-100">Preview
+                        Data</button>
+                </div>
+                <div class="col-md-6">
+                    <button type="submit" name="action" value="download" class="btn btn-primary w-100">Download Excel
+                        Report</button>
+                </div>
+            </div>
+        </form>
+    </div>
+
+    {% if tables.tr or tables.mh or tables.dc or tables.laying %}
+    <div class="card shadow-sm p-3">
+        <h4 class="mb-3">Comparison Preview</h4>
+
+        <ul class="nav nav-tabs" id="reportTabs" role="tablist">
+            <li class="nav-item">
+                <button class="nav-link active" id="tr-tab" data-bs-toggle="tab" data-bs-target="#tr"
+                    type="button">Tr.Ex Comparison</button>
+            </li>
+            <li class="nav-item">
+                <button class="nav-link" id="mh-tab" data-bs-toggle="tab" data-bs-target="#mh" type="button">Mh.Ex
+                    Comparison</button>
+            </li>
+            <li class="nav-item">
+                <button class="nav-link" id="dc-tab" data-bs-toggle="tab" data-bs-target="#dc" type="button">MH & DC
+                    Comparison</button>
+            </li>
+            <li class="nav-item">
+                <button class="nav-link" id="laying-tab" data-bs-toggle="tab" data-bs-target="#laying"
+                    type="button">Laying
+                    & Bedding Comparison</button>
+        </ul>
+
+        <div class="tab-content mt-3" id="reportTabsContent">
+            <div class="tab-pane fade show active" id="tr" role="tabpanel">
+                <div class="table-responsive" style="max-height: 500px;">
+                    {{ tables.tr|safe }}
+                </div>
+            </div>
+            <div class="tab-pane fade" id="mh" role="tabpanel">
+                <div class="table-responsive" style="max-height: 500px;">
+                    {{ tables.mh|safe }}
+                </div>
+            </div>
+            <div class="tab-pane fade" id="dc" role="tabpanel">
+                <div class="table-responsive" style="max-height: 500px;">
+                    {{ tables.dc|safe }}
+                </div>
+            </div>
+            <div class="tab-pane fade" id="laying" role="tabpanel">
+                <div class="table-responsive" style="max-height: 500px;">
+                    {{ tables.laying|safe }}
+                </div>
+
+            </div>
+        </div>
+        {% endif %}
+
+    </div>
+</div>
+{% endblock %}

app/templates/dashboard.html

@@ -1,10 +1,118 @@
 {% extends "base.html" %}
 
 {% block content %}
-<h2 class="mb-4">Dashboard</h2>
+<div class="container-fluid px-2 px-md-4">
+    <h4 class="mb-3 text-center text-md-start">Comparison Software Solapur (UGD) - Live Dashboard</h4>
 
-<div class="card p-4 shadow-sm">
+    <div class="row g-3 mb-4">
-    <h5>Welcome to Comparison Project</h5>
+        <div class="col-12 col-md-4">
-    <p>This is dashboard panel.</p>
+            <div class="card text-white bg-primary shadow h-100">
+                <div class="card-body text-center text-md-start">
+                    <h6>Trenching Units</h6>
+                    <h3 class="fw-bold" id="card-trench">0</h3>
+                </div>
+            </div>
+        </div>
+        <div class="col-12 col-md-4">
+            <div class="card text-white bg-success shadow h-100">
+                <div class="card-body text-center text-md-start">
+                    <h6>Manhole Units</h6>
+                    <h3 class="fw-bold" id="card-manhole">0</h3>
+                </div>
+            </div>
+        </div>
+        <div class="col-12 col-md-4">
+            <div class="card text-dark bg-warning shadow h-100">
+                <div class="card-body text-center text-md-start">
+                    <h6>Laying Units</h6>
+                    <h3 class="fw-bold" id="card-laying">0</h3>
+                </div>
+            </div>
+        </div>
+    </div>
+
+    <div class="row g-3">
+        <div class="col-12 col-md-6">
+            <div class="card shadow-sm h-100">
+                <div class="card-header bg-dark text-white">Live Category Bar Chart</div>
+                <div class="card-body">
+                    <canvas id="liveBarChart" style="max-height:300px;"></canvas>
+                </div>
+            </div>
+        </div>
+
+        <div class="col-12 col-md-6">
+            <div class="card shadow-sm h-100">
+                <div class="card-header bg-dark text-white">Location Distribution Pie Chart</div>
+                <div class="card-body">
+                    <canvas id="livePieChart" style="max-height:300px;"></canvas>
+                </div>
+            </div>
+        </div>
+    </div>
 </div>
+
+<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
+
+<script>
+    // 2. Initialize the Bar Chart
+    const barCtx = document.getElementById('liveBarChart').getContext('2d');
+    let liveBarChart = new Chart(barCtx, {
+        type: 'bar',
+        data: {
+            labels: ['Trenching', 'Manholes', 'Laying'],
+            datasets: [{
+                label: 'Units Completed',
+                data: [0, 0, 0],
+                backgroundColor: ['#0d6efd', '#198754', '#ffc107']
+            }]
+        },
+        options: { responsive: true, maintainAspectRatio: false }
+    });
+
+    // 3. Initialize the Pie Chart
+    const pieCtx = document.getElementById('livePieChart').getContext('2d');
+    let livePieChart = new Chart(pieCtx, {
+        type: 'pie',
+        data: {
+            labels: [], // Will be filled from SQL
+            datasets: [{
+                data: [],
+                backgroundColor: ['#0d6efd', '#198754', '#ffc107', '#6f42c1', '#fd7e14']
+            }]
+        },
+        options: { responsive: true, maintainAspectRatio: false }
+    });
+
+    // 4. Function to Fetch Live Data from your Python API
+    function fetchLiveData() {
+        fetch('/dashboard/api/live-stats') // This matches the route we created in the "Kitchen"
+            .then(response => response.json())
+            .then(data => {
+                // Update the Summary Cards
+                document.getElementById('card-trench').innerText = data.summary.trench;
+                document.getElementById('card-manhole').innerText = data.summary.manhole;
+                document.getElementById('card-laying').innerText = data.summary.laying;
+
+                // Update Bar Chart
+                liveBarChart.data.datasets[0].data = [
+                    data.summary.trench,
+                    data.summary.manhole,
+                    data.summary.laying
+                ];
+                liveBarChart.update();
+
+                // Update Pie Chart (Location stats)
+                livePieChart.data.labels = Object.keys(data.locations);
+                livePieChart.data.datasets[0].data = Object.values(data.locations);
+                livePieChart.update();
+            })
+            .catch(err => console.error("Error fetching live data:", err));
+    }
+
+    // 5. Check for updates every 10 seconds (Real-time effect)
+    setInterval(fetchLiveData, 10000);
+    fetchLiveData(); // Load immediately on page open
+</script>
+
 {% endblock %}

app/templates/file_format.html

@@ -0,0 +1,66 @@
+{% extends "base.html" %}
+
+{% block content %}
+<h2 class="mb-4">Download File Formats</h2>
+
+<div class="row g-4">
+
+    <!-- Subcontractor Format -->
+    <div class="col-md-4">
+        <div class="card text-center shadow-sm h-100">
+            <div class="card-body d-flex flex-column justify-content-center">
+                <div class="mb-3 fs-1 text-primary">
+                    ⬇️
+                </div>
+                <h5 class="card-title">Subcontractor Upload Format</h5>
+                <p class="text-muted mb-2">Excel (.xlsx)</p>
+                <p class="small text-secondary">File size: 245 KB</p>
+
+                <a href="{{ url_for('file_format.download_excel_format', filename='subcontractor_format.xlsx') }}"
+                    class="btn btn-outline-primary mt-auto">
+                    Download
+                </a>
+            </div>
+        </div>
+    </div>
+
+    <!-- Client Format -->
+    <div class="col-md-4">
+        <div class="card text-center shadow-sm h-100">
+            <div class="card-body d-flex flex-column justify-content-center">
+                <div class="mb-3 fs-1 text-success">
+                    ⬇️
+                </div>
+                <h5 class="card-title">Client Upload Format</h5>
+                <p class="text-muted mb-2">Excel (.xlsx)</p>
+                <p class="small text-secondary">File size: 310 KB</p>
+
+                <a href="{{ url_for('file_format.download_excel_format', filename='client_format.xlsx') }}"
+                    class="btn btn-outline-success mt-auto">
+                    Download
+                </a>
+            </div>
+        </div>
+    </div>
+
+    <!-- MH & DC Format -->
+    <!-- <div class="col-md-4">
+        <div class="card text-center shadow-sm h-100">
+            <div class="card-body d-flex flex-column justify-content-center">
+                <div class="mb-3 fs-1 text-warning">
+                    ⬇️
+                </div>
+                <h5 class="card-title">Manhole & DC Format</h5>
+                <p class="text-muted mb-2">Excel (.xlsx)</p>
+                <p class="small text-secondary">File size: 190 KB</p>
+
+                <a href="{{ url_for('file_format.download_excel_format', filename='mh_dc_format.xlsx') }}"
+                    class="btn btn-outline-warning mt-auto">
+                    Download
+                </a>
+            </div>
+        </div>
+    </div> -->
+
+</div>
+{% endblock %}

app/templates/file_import_client.html

@@ -1,33 +1,35 @@
 {% extends "base.html" %}
 
 {% block content %}
-<h2 class="mb-4">File Import</h2>
+<h2 class="mb-4">Client File Import</h2>
 
 <div class="card p-4 shadow-sm">
 
     <form method="POST" enctype="multipart/form-data">
 
         <!-- 1. SELECT SUBCONTRACTOR -->
-        <label class="form-label">Select Subcontractor</label>
+        <!-- <label class="form-label">Select Subcontractor vs Client</label>
         <select name="subcontractor_id" id="subcontractor_id" class="form-select mb-3" required>
             <option value="">-- Select Subcontractor --</option>
 
             {% for sc in subcontractors %}
             <option value="{{ sc.id }}">{{ sc.subcontractor_name }}</option>
             {% endfor %}
-        </select>
+        </select> -->
 
         <!-- 2. FILE TYPE (MODEL NAME) -->
-        <label class="form-label">Select File Type</label>
+        <!-- <label class="form-label">Select File Type</label>
         <select name="file_type" id="file_type" class="form-select mb-3" required>
             <option value="">-- Select File Type --</option>
-            <option value="">Subcontractor Sheet</option>
+            <option value="">Sheet</option>
-            <option value="trench_excavation">Trench Excavation (Tr.Ex)</option>
+            <option value="tr_ex_client">Tr. Ex</option>
-            <option value="manhole_excavation">Manhole Excavation (Mh.Ex)</option>
+            <option value="mh_ex_client">Mh. Ex </option>
-            <option value="manhole_domestic_chamber">Manhole & Domestic Chambers Construction (MH & DC)</option>
+            <option value="mh_dc_client">MH & DC </option>
             <option value="">Laying Sheet</option>
-        </select>
+        </select> -->
 
+        <label class="form-label">RA Bill No</label>
+        <input type="text" name="RA_Bill_No" class="form-control mb-3" required>
         <!-- 3. FILE UPLOAD -->
         <label class="form-label">Choose File</label>
         <input type="file" name="file" class="form-control mb-3" required>

app/templates/file_import_subcontractor.html

@@ -0,0 +1,32 @@
+{% extends "base.html" %}
+
+{% block content %}
+<h2 class="mb-4">Sub-Contractor File Import</h2>
+
+<div class="card p-4 shadow-sm">
+
+    <form method="POST" enctype="multipart/form-data">
+
+        <!-- 1. SELECT SUBCONTRACTOR -->
+        <label class="form-label">Select Subcontractor</label>
+        <select name="subcontractor_id" id="subcontractor_id" class="form-select mb-3" required>
+            <option value="">-- Select Subcontractor --</option>
+
+            {% for sc in subcontractors %}
+            <option value="{{ sc.id }}">{{ sc.subcontractor_name }}</option>
+            {% endfor %}
+        </select>
+
+        <!-- 2. RA bill no -->
+        <label class="form-label">RA Bill No</label>
+        <input type="text" name="RA_Bill_No" class="form-control mb-3" required>
+
+        <!-- 3. FILE UPLOAD -->
+        <label class="form-label">Choose File</label>
+        <input type="file" name="file" class="form-control mb-3" required>
+
+        <button class="btn btn-primary w-100">Upload</button>
+    </form>
+
+</div>
+{% endblock %}

app/templates/generate_comparison_report.html

@@ -0,0 +1,39 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="container mt-4">
+
+    <h2 class="mb-4">Subcontractor vs Client Comparison</h2>
+
+    <!-- FLASH MESSAGES -->
+    {% with messages = get_flashed_messages(with_categories=true) %}
+    {% if messages %}
+    {% for category, message in messages %}
+    <div class="alert alert-{{ category }} alert-dismissible fade show" role="alert">
+        {{ message }}
+        <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
+    </div>
+    {% endfor %}
+    {% endif %}
+    {% endwith %}
+
+    <div class="card p-4 shadow-sm">
+
+        <form method="POST">
+
+            <!-- SELECT SUBCONTRACTOR -->
+            <label class="form-label fw-semibold">Select Subcontractor</label>
+            <select name="subcontractor_id" id="subcontractor_id" class="form-select mb-3" required>
+                <option value="">-- Select Subcontractor --</option>
+
+                {% for sc in subcontractors %}
+                <option value="{{ sc.id }}">{{ sc.subcontractor_name }}</option>
+                {% endfor %}
+            </select>
+
+            <button class="btn btn-primary w-100">Generate Report</button>
+        </form>
+
+    </div>
+</div>
+{% endblock %}

app/templates/login.html

@@ -1,17 +1,82 @@
-{% extends "base.html" %}
+<!DOCTYPE html>
-{% block content %}
+<html lang="en">
-<h2 class="mb-4">Login</h2>
 
-<div class="card p-4 shadow-sm">
+<head>
-    <form method="POST">
+    <meta charset="UTF-8">
+    <title>LCEPL | Login</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1">
 
-        <label>Email:</label>
+    <!-- Bootstrap CSS -->
-        <input type="email" name="email" class="form-control mb-3" required>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
+</head>
 
-        <label>Password:</label>
+<body class="bg-light">
-        <input type="password" name="password" class="form-control mb-3" required>
 
-        <button class="btn btn-success">Login</button>
+    <div class="container-fluid vh-100">
-    </form>
+        <div class="row h-100 justify-content-center align-items-center">
-</div>
+
-{% endblock %}
+            <!-- Increased column width -->
+            <div class="col-12 col-sm-10 col-md-8 col-lg-5 col-xl-4">
+
+                <div class="card shadow-lg border-0">
+                    <!-- Increased padding -->
+                    <div class="card-body p-5">
+
+                        <!-- Branding -->
+                        <div class="text-center mb-4">
+                            <img src="{{ url_for('static', filename='images/lcepl.png') }}" alt="LCEPL Logo"
+                                class="img-fluid mb-3" style="max-height:80px;">
+
+                            <h4 class="fw-bold mb-1">
+                                Laxmi Civil Engineering Services Pvt Ltd
+                            </h4>
+                            <p class="text-muted mb-0">
+                                Data Comparison Software Solapur(UGD)
+                            </p>
+                        </div>
+
+                        <!-- Flash messages -->
+                        {% with messages = get_flashed_messages(with_categories=true) %}
+                        {% if messages %}
+                        {% for category, message in messages %}
+                        <div class="alert alert-{{ category }} alert-dismissible fade show" role="alert">
+                            {{ message }}
+                            <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
+                        </div>
+                        {% endfor %}
+                        {% endif %}
+                        {% endwith %}
+
+                        <!-- Login Form -->
+                        <form method="POST">
+
+                            <div class="mb-4">
+                                <label class="form-label fw-semibold">User Name</label>
+                                <input type="email" name="email" class="form-control " placeholder="Enter email"
+                                    required>
+                            </div>
+
+                            <div class="mb-4">
+                                <label class="form-label fw-semibold">Password</label>
+                                <input type="password" name="password" class="form-control" placeholder="Enter password"
+                                    required>
+                            </div>
+
+                            <button class="btn btn-success btn-lg w-100">
+                                Login
+                            </button>
+                        </form>
+
+                    </div>
+                </div>
+
+            </div>
+
+        </div>
+    </div>
+
+    <!-- Bootstrap JS -->
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
+</body>
+
+</html>

app/templates/register.html

@@ -1,18 +1,17 @@
 {% extends "base.html" %}
 {% block content %}
-<h2 class="mb-4">User Registration</h2>
+<h2>Register User</h2>
 
 <div class="card p-4 shadow-sm">
     <form method="POST">
+        <label>Name</label>
+        <input class="form-control mb-3" name="name" required>
 
-        <label>Name:</label>
+        <label>Email</label>
-        <input type="text" name="name" class="form-control mb-3" required>
+        <input type="email" class="form-control mb-3" name="email" required>
 
-        <label>Email:</label>
+        <label>Password</label>
-        <input type="email" name="email" class="form-control mb-3" required>
+        <input type="password" class="form-control mb-3" name="password" required>
-
-        <label>Password:</label>
-        <input type="password" name="password" class="form-control mb-3" required>
 
         <button class="btn btn-primary">Register</button>
     </form>

app/templates/subcontractor/add.html

@@ -2,39 +2,49 @@
 {% block content %}
 
 <div class="card shadow-sm p-4">
-
     <h4 class="mb-3">Add New Subcontractor</h4>
 
-    <form action="/subcontractor/save" method="POST">
+    <form action="{{ url_for('subcontractor.save_subcontractor') }}" method="POST">
 
         <div class="mb-3">
-            <label class="form-label">Subcontractor Name</label>
+            <label class="form-label">Subcontractor Name:</label>
             <input type="text" class="form-control" name="subcontractor_name" required>
         </div>
 
         <div class="mb-3">
-            <label class="form-label">Contact Person</label>
+            <label class="form-label">Contact Person Name:</label>
             <input type="text" class="form-control" name="contact_person">
         </div>
 
         <div class="mb-3">
-            <label class="form-label">Mobile</label>
+            <label class="form-label">Address:</label>
+            <textarea type="text" class="form-control" name="address"></textarea>
+        </div>
+
+        <div class="mb-3">
+            <label class="form-label">Mobile No:</label>
             <input type="text" class="form-control" name="mobile_no">
         </div>
 
         <div class="mb-3">
-            <label class="form-label">Email</label>
+            <label class="form-label">Email:</label>
             <input type="email" class="form-control" name="email_id">
         </div>
 
         <div class="mb-3">
-            <label class="form-label">GST No</label>
+            <label class="form-label">GST No:</label>
             <input type="text" class="form-control" name="gst_no">
         </div>
 
-        <button class="btn btn-success">Save</button>
+        <div class="mb-3">
-    </form>
+            <label class="form-label">PAN No:</label>
+            <input type="text" class="form-control" name="pan_no">
+        </div>
 
+        <button class="btn btn-success">Save</button>
+        <a href="{{ url_for('subcontractor.subcontractor_list') }}" class="btn btn-secondary">Back</a>
+
+    </form>
 </div>
 
 {% endblock %}

app/templates/subcontractor/edit.html

@@ -4,36 +4,58 @@
 <div class="card shadow-sm p-4">
     <h4 class="mb-3">Edit Subcontractor</h4>
 
-    <form action="/subcontractor/update/{{ subcontractor.id }}" method="POST">
+    <form action="{{ url_for('subcontractor.update_subcontractor', id=subcontractor.id) }}" method="POST">
 
         <div class="mb-3">
-            <label class="form-label">Subcontractor Name</label>
+            <label class="form-label">Subcontractor Name:</label>
             <input type="text" class="form-control" name="subcontractor_name"
                 value="{{ subcontractor.subcontractor_name }}" required>
         </div>
 
         <div class="mb-3">
-            <label class="form-label">Contact Person</label>
+            <label class="form-label">Contact Person Name:</label>
             <input type="text" class="form-control" name="contact_person" value="{{ subcontractor.contact_person }}">
         </div>
 
         <div class="mb-3">
-            <label class="form-label">Mobile</label>
+            <label class="form-label">Address:</label>
+            <input type="text" class="form-control" name="address" value="{{ subcontractor.address }}">
+        </div>
+
+        <div class="mb-3">
+            <label class="form-label">Mobile No:</label>
             <input type="text" class="form-control" name="mobile_no" value="{{ subcontractor.mobile_no }}">
         </div>
 
         <div class="mb-3">
-            <label class="form-label">Email</label>
+            <label class="form-label">Email:</label>
             <input type="email" class="form-control" name="email_id" value="{{ subcontractor.email_id }}">
         </div>
 
         <div class="mb-3">
-            <label class="form-label">GST No</label>
+            <label class="form-label">GST No:</label>
             <input type="text" class="form-control" name="gst_no" value="{{ subcontractor.gst_no }}">
         </div>
 
+        <div class="mb-3">
+            <label class="form-label">PAN No:</label>
+            <input type="text" class="form-control" name="pan_no" value="{{ subcontractor.pan_no }}">
+        </div>
+
+        <div class="mb-3">
+            <label class="form-label">Status:</label>
+            <select name="status" class="form-control">
+                <option value="Active" {% if subcontractor.status=="Active" %}selected{% endif %}>
+                    Active
+                </option>
+                <option value="Inactive" {% if subcontractor.status=="Inactive" %}selected{% endif %}>
+                    Inactive
+                </option>
+            </select>
+        </div>
+
         <button class="btn btn-success">Update</button>
-        <a href="/subcontractor/list" class="btn btn-secondary">Back</a>
+        <a href="{{ url_for('subcontractor.subcontractor_list') }}" class="btn btn-secondary">Back</a>
 
     </form>
 </div>

app/templates/subcontractor/list.html

@@ -1,38 +1,162 @@
 {% extends "base.html" %}
 {% block content %}
 
-<div class="card shadow-sm p-4">
+<div class="container mt-4">
-    <h4 class="mb-3">Subcontractor List</h4>
 
-    <table class="table table-bordered table-striped">
+    <div class="d-flex flex-column flex-md-row justify-content-between align-items-md-center mb-3">
-        <thead class="table-dark">
+        <h4 class="mb-3 mb-md-0">Subcontractor List</h4>
-            <tr>
+
-                <th>ID</th>
+        <a href="{{ url_for('subcontractor.add_subcontractor') }}" class="btn btn-primary btn-sm">
-                <th>Name</th>
+            + Add Subcontractor
-                <th>Mobile</th>
+        </a>
-                <th>Email</th>
+    </div>
-                <th>GST No</th>
+
-                <th>Action</th>
+    <div class="card shadow-sm">
-            </tr>
+        <div class="card-body p-2 p-md-3">
-        </thead>
+
+            <!-- Desktop Table View -->
+            <div class="table-responsive d-none d-md-block">
+                <table class="table table-bordered table-hover align-middle">
+                    <thead class="table-dark">
+                        <tr>
+                            <th>Sr. No</th>
+                            <th>Subcontractor Name</th>
+                            <th>GST No</th>
+                            <th>Mobile</th>
+                            <th>Email</th>
+                            <th>Status</th>
+                            <th width="150">Action</th>
+                        </tr>
+                    </thead>
+                    <tbody>
+                        {% for s in subcontractors %}
+                        <tr>
+                            <td>{{ s.id }}</td>
+                            <td>{{ s.subcontractor_name }}</td>
+                            <td>{{ s.gst_no }}</td>
+                            <td>{{ s.mobile_no }}</td>
+                            <td>{{ s.email_id }}</td>
+                            <td>
+                                {% if s.status == "Active" %}
+                                <span class="badge bg-success">Active</span>
+                                {% else %}
+                                <span class="badge bg-danger">Inactive</span>
+                                {% endif %}
+                            </td>
+                            <td>
+                                <a href="{{ url_for('subcontractor.edit_subcontractor', id=s.id) }}"
+                                    class="btn btn-sm btn-warning mb-1">
+                                    Edit
+                                </a>
+
+                                <a href="{{ url_for('subcontractor.delete_subcontractor', id=s.id) }}"
+                                    class="btn btn-sm btn-danger" onclick="return confirm('Are you sure to delete?')">
+                                    Delete
+                                </a>
+                            </td>
+                        </tr>
+                        {% endfor %}
+                    </tbody>
+                </table>
+            </div>
+
+            <!-- Mobile Card View -->
+            <div class="d-md-none">
+                {% for s in subcontractors %}
+                <div class="card mb-3 shadow-sm">
+                    <div class="card-body p-3">
+                        <h5 class="fw-bold mb-2">{{ s.subcontractor_name }}</h5>
+
+                        <p class="mb-1"><strong>GST No:</strong> {{ s.gst_no }}</p>
+                        <p class="mb-1"><strong>Mobile:</strong> {{ s.mobile_no }}</p>
+                        <p class="mb-1"><strong>Email:</strong> {{ s.email_id }}</p>
+
+                        <p class="mb-2">
+                            <strong>Status:</strong>
+                            {% if s.status == "Active" %}
+                            <span class="badge bg-success">Active</span>
+                            {% else %}
+                            <span class="badge bg-danger">Inactive</span>
+                            {% endif %}
+                        </p>
+
+                        <div class="d-flex gap-2">
+                            <a href="{{ url_for('subcontractor.edit_subcontractor', id=s.id) }}"
+                                class="btn btn-sm btn-warning w-50">
+                                Edit
+                            </a>
+
+                            <a href="{{ url_for('subcontractor.delete_subcontractor', id=s.id) }}"
+                                class="btn btn-sm btn-danger w-50" onclick="return confirm('Are you sure to delete?')">
+                                Delete
+                            </a>
+                        </div>
+                    </div>
+                </div>
+                {% endfor %}
+            </div>
+
+            <!-- Pagination -->
+            <nav>
+                <ul class="pagination justify-content-center flex-wrap mt-4">
+
+                    {% if pagination.has_prev %}
+                    <li class="page-item">
+                        <a class="page-link" href="{{ url_for('subcontractor.subcontractor_list', page=1) }}">
+                            First
+                        </a>
+                    </li>
+
+                    <li class="page-item">
+                        <a class="page-link"
+                            href="{{ url_for('subcontractor.subcontractor_list', page=pagination.prev_num) }}">
+                            Prev
+                        </a>
+                    </li>
+                    {% endif %}
+
+                    {% for page_num in pagination.iter_pages() %}
+                    {% if page_num %}
+                    {% if page_num != pagination.page %}
+                    <li class="page-item">
+                        <a class="page-link" href="{{ url_for('subcontractor.subcontractor_list', page=page_num) }}">
+                            {{ page_num }}
+                        </a>
+                    </li>
+                    {% else %}
+                    <li class="page-item active">
+                        <span class="page-link">{{ page_num }}</span>
+                    </li>
+                    {% endif %}
+                    {% else %}
+                    <li class="page-item disabled">
+                        <span class="page-link">...</span>
+                    </li>
+                    {% endif %}
+                    {% endfor %}
+
+                    {% if pagination.has_next %}
+                    <li class="page-item">
+                        <a class="page-link"
+                            href="{{ url_for('subcontractor.subcontractor_list', page=pagination.next_num) }}">
+                            Next
+                        </a>
+                    </li>
+
+                    <li class="page-item">
+                        <a class="page-link"
+                            href="{{ url_for('subcontractor.subcontractor_list', page=pagination.pages) }}">
+                            Last
+                        </a>
+                    </li>
+                    {% endif %}
+
+                </ul>
+            </nav>
+
+        </div>
+    </div>
 
-        <tbody>
-            {% for s in subcontractors %}
-            <tr>
-                <td>{{ s.id }}</td>
-                <td>{{ s.subcontractor_name }}</td>
-                <td>{{ s.mobile_no }}</td>
-                <td>{{ s.email_id }}</td>
-                <td>{{ s.gst_no }}</td>
-                <td>
-                    <a href="/subcontractor/edit/{{ s.id }}" class="btn btn-sm btn-warning">Edit</a>
-                    <a href="/subcontractor/delete/{{ s.id }}" class="btn btn-sm btn-danger"
-                        onclick="return confirm('Are you sure?')">Delete</a>
-                </td>
-            </tr>
-            {% endfor %}
-        </tbody>
-    </table>
 </div>
 
 {% endblock %}

app/templates/subcontractor_dashboard.html

@@ -0,0 +1,118 @@
+{% extends "base.html" %}
+{% block content %}
+
+<div class="container mt-3">
+
+    <h4>RA Bill Dashboard</h4>
+
+    <div class="row mb-3">
+
+        <!-- Contractor -->
+        <div class="col-md-4">
+            <select id="subcontractor" class="form-control">
+                <option value="">Select Contractor</option>
+                {% for s in subcontractors %}
+                <option value="{{s.id}}">{{s.subcontractor_name}}</option>
+                {% endfor %}
+            </select>
+        </div>
+
+        <!-- Category -->
+        <div class="col-md-4">
+            <select id="category" class="form-control">
+                <option value="">Select Category</option>
+                <option value="trench_excavation">Trench Excavation</option>
+            </select>
+        </div>
+
+        <!-- RA Bill -->
+        <div class="col-md-4">
+            <select id="ra_bill" class="form-control">
+                <option value="">RA Bill</option>
+            </select>
+        </div>
+
+    </div>
+
+    <div class="card">
+        <div class="card-body">
+            <canvas id="comparisonChart"></canvas>
+        </div>
+    </div>
+
+</div>
+
+<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
+
+<script>
+
+    let chart;
+
+    // ✅ Load RA Bills
+    function loadRABills() {
+
+        let subcontractor = document.getElementById("subcontractor").value
+        let category = document.getElementById("category").value
+
+        if (!subcontractor || !category) return
+
+        fetch(`/dashboard/api/get-ra-bills?subcontractor=${subcontractor}&category=${category}`)
+            .then(res => res.json())
+            .then(data => {
+
+                let ra = document.getElementById("ra_bill")
+                ra.innerHTML = '<option value="">RA Bill</option>'
+
+                data.ra_bills.forEach(bill => {
+                    ra.innerHTML += `<option value="${bill}">${bill}</option>`
+                })
+            })
+    }
+
+    // ✅ Load Chart
+    function loadChart() {
+
+        let subcontractor = document.getElementById("subcontractor").value
+        let ra_bill = document.getElementById("ra_bill").value
+
+        fetch(`/dashboard/api/trench-analysis?subcontractor=${subcontractor}&ra_bill=${ra_bill}`)
+            .then(res => res.json())
+            .then(data => {
+
+                if (chart) chart.destroy()
+
+                chart = new Chart(document.getElementById("comparisonChart"), {
+                    type: "bar",
+                    data: {
+                        labels: data.labels,
+                        datasets: [
+                            {
+                                label: "Depth",
+                                data: data.depth,
+                                backgroundColor: "green"
+                            },
+                            {
+                                label: "Excavation Qty (cum)",
+                                data: data.qty,
+                                backgroundColor: "blue"
+                            }
+                        ]
+                    }
+                })
+            })
+    }
+
+    // Events
+    document.getElementById("subcontractor").addEventListener("change", () => {
+        loadRABills()
+    })
+
+    document.getElementById("category").addEventListener("change", () => {
+        loadRABills()
+    })
+
+    document.getElementById("ra_bill").addEventListener("change", loadChart)
+
+</script>
+
+{% endblock %}

app/templates/subcontractor_report.html

@@ -0,0 +1,142 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="container my-4">
+
+    <h2 class="text-center mb-4">Generate Subcontractor Report</h2>
+
+    <!-- FORM -->
+    <div class="card shadow-sm p-3 p-md-4 mx-auto" style="max-width:600px;">
+        <form method="POST">
+
+            <div class="mb-3">
+                <label class="form-label fw-semibold">Select Subcontractor</label>
+                <select name="subcontractor_id" class="form-select" required>
+                    <option value="">-- Select Subcontractor --</option>
+                    {% for sc in subcontractors %}
+                    <option value="{{ sc.id }}" {% if selected_sc_id==sc.id|string %}selected{% endif %}>
+                        {{ sc.subcontractor_name }}
+                    </option>
+                    {% endfor %}
+                </select>
+            </div>
+
+            <div class="form-check form-switch mb-3">
+                <input class="form-check-input" type="checkbox" id="downloadAllSwitch" name="download_all" value="true"
+                    {% if download_all %}checked{% endif %}>
+                <label class="form-check-label fw-bold text-primary">
+                    Download All RA Bills
+                </label>
+            </div>
+
+            <div class="mb-4" id="ra_bill_container">
+                <label class="form-label fw-semibold">RA Bill Number</label>
+                <input type="text" name="ra_bill_no" id="ra_bill_input" class="form-control"
+                    value="{{ ra_bill_no or '' }}">
+            </div>
+
+            <div class="row g-2">
+                <div class="col-12 col-md-6">
+                    <button class="btn btn-outline-primary w-100" name="action" value="preview">
+                        Preview Data
+                    </button>
+                </div>
+                <div class="col-12 col-md-6">
+                    <button class="btn btn-primary w-100" name="action" value="download">
+                        Download Excel
+                    </button>
+                </div>
+            </div>
+
+        </form>
+    </div>
+
+    {% if tables %}
+    <!-- REPORT PREVIEW -->
+    <div class="mt-5">
+
+        <h3 class="text-center mb-3">Report Preview</h3>
+
+        <div class="card shadow-sm">
+
+            <!-- MOBILE SCROLLABLE TABS -->
+            <div class="card-header p-0">
+                <ul class="nav nav-tabs flex-nowrap overflow-auto">
+                    <li class="nav-item">
+                        <button class="nav-link active" data-bs-toggle="tab" data-bs-target="#tr">
+                            Trench Excavation
+                        </button>
+                    </li>
+                    <li class="nav-item">
+                        <button class="nav-link" data-bs-toggle="tab" data-bs-target="#mh">
+                            Manhole Excavation
+                        </button>
+                    </li>
+                    <li class="nav-item">
+                        <button class="nav-link" data-bs-toggle="tab" data-bs-target="#dc">
+                            Manhole & Domestic Chambers
+                        </button>
+                    </li>
+                    <li class="nav-item">
+                        <button class="nav-link" data-bs-toggle="tab" data-bs-target="#laying">
+                            Pipe Laying
+                        </button>
+                    </li>
+                </ul>
+            </div>
+
+            <!-- TAB CONTENT -->
+            <div class="card-body tab-content">
+
+                <div class="tab-pane fade show active" id="tr">
+                    <div class="table-responsive overflow-auto">
+                        {{ tables.tr | safe }}
+                    </div>
+                </div>
+
+                <div class="tab-pane fade" id="mh">
+                    <div class="table-responsive overflow-auto">
+                        {{ tables.mh | safe }}
+                    </div>
+                </div>
+
+                <div class="tab-pane fade" id="dc">
+                    <div class="table-responsive overflow-auto">
+                        {{ tables.dc | safe }}
+                    </div>
+                </div>
+
+                <div class="tab-pane fade" id="laying">
+                    <div class="table-responsive overflow-auto">
+                        {{ tables.laying | safe }}
+                    </div>
+                </div>
+
+            </div>
+        </div>
+    </div>
+    {% endif %}
+
+</div>
+
+<!-- BOOTSTRAP-ONLY JS -->
+<script>
+    function toggleRAInput() {
+        const checkbox = document.getElementById("downloadAllSwitch");
+        const input = document.getElementById("ra_bill_input");
+        const container = document.getElementById("ra_bill_container");
+
+        if (checkbox.checked) {
+            input.value = "";
+            input.disabled = true;
+            container.classList.add("opacity-50");
+        } else {
+            input.disabled = false;
+            container.classList.remove("opacity-50");
+        }
+    }
+
+    document.addEventListener("DOMContentLoaded", toggleRAInput);
+    document.getElementById("downloadAllSwitch").addEventListener("change", toggleRAInput);
+</script>
+{% endblock %}

app/utils/exceptions.py

@@ -0,0 +1,8 @@
+from app.constants.http_status import HTTPStatus
+
+class APIException(Exception):
+    def __init__(self, message, status_code=HTTPStatus.BAD_REQUEST, errors=None):
+        self.message = message
+        self.status_code = status_code
+        self.errors = errors
+        super().__init__(self.message)

app/utils/file_utils.py

@@ -1,6 +1,26 @@
 import os
-from app.config import Config
+from flask import current_app
+
+
+# file extension
+ALLOWED_EXTENSIONS = {"xlsx", "xls", "csv"}
+
+
+def get_download_format_folder():
+    return os.path.join(
+        current_app.root_path,
+        "static",
+        "downloads",
+        "format"
+    )
+
+def get_uploads_folder():
+    return os.path.join(
+        current_app.root_path,
+        "static",
+        "uploads"
+    )
 
 def ensure_upload_folder():
-    if not os.path.exists(Config.UPLOAD_FOLDER):
+    if not os.path.exists(get_uploads_folder()):
-        os.makedirs(Config.UPLOAD_FOLDER)
+        os.makedirs(get_uploads_folder())

app/utils/helpers.py

@@ -1,2 +1,14 @@
-def is_logged_in(session):
+# def is_logged_in(session):
-    return session.get("user_id") is not None
+#     return session.get("user_id") is not None
+
+from functools import wraps
+from flask import session, redirect, url_for, flash
+
+def login_required(view):
+    @wraps(view)
+    def wrapped_view(*args, **kwargs):
+        if "user_id" not in session:
+            flash("Please login first", "warning")
+            return redirect(url_for("auth.login"))
+        return view(*args, **kwargs)
+    return wrapped_view

app/utils/plot_utils.py

@@ -0,0 +1,10 @@
+import base64
+from io import BytesIO
+import matplotlib
+matplotlib.use("Agg")
+
+def plot_to_base64(plt):
+    img = BytesIO()
+    plt.savefig(img, format="png", bbox_inches="tight")
+    img.seek(0)
+    return base64.b64encode(img.read()).decode("utf-8")

app/utils/regex_utils.py

@@ -0,0 +1,12 @@
+import re
+
+class RegularExpression:
+
+    # sum fields of TrEx, MhEx (_total)
+    STR_TOTAL_PATTERN = re.compile(r".*_total$")
+
+    # sum fields  of pipe laying (pipe_150_mm)
+    PIPE_MM_PATTERN = re.compile(r"^pipe_\d+_mm$")
+
+    # sum fields of MH dc (d_0_to_0_75)
+    D_RANGE_PATTERN = re.compile( r"^d_\d+(?:_\d+)?_to_\d+(?:_\d+)?$") 

app/utils/response_handler.py

@@ -0,0 +1,23 @@
+from flask import jsonify
+from app.constants.http_status import HTTPStatus
+
+
+class ResponseHandler:
+
+    @staticmethod
+    def success(message, data=None, status_code=HTTPStatus.OK):
+        return jsonify({
+            "status": "success",
+            "message": message,
+            "data": data if data else {},
+            "errors": []
+        }), status_code
+
+    @staticmethod
+    def error(message, errors=None, status_code=HTTPStatus.BAD_REQUEST):
+        return jsonify({
+            "status": "error",
+            "message": message,
+            "data": {},
+            "errors": errors if errors else []
+        }), status_code

docker-compose.yml

@@ -0,0 +1,46 @@
+version: '3.8'
+
+services:
+  db:
+    image: mysql:8.0
+    container_name: comparison_db
+    restart: always
+    environment:
+      MYSQL_ROOT_PASSWORD: root
+      MYSQL_DATABASE: comparisondb
+    ports:
+      - "3307:3306"
+    volumes:
+      - mysql_data:/var/lib/mysql
+
+  app:
+    build: .
+    container_name: comparison_app
+    restart: always
+    environment:
+      FLASK_ENV: development
+      FLASK_DEBUG: "True"
+      FLASK_HOST: "0.0.0.0"
+      FLASK_PORT: "5001"
+
+      DB_DIALECT: mysql
+      DB_DRIVER: pymysql
+      DB_HOST: db
+      DB_PORT: 3306
+      DB_NAME: comparisondb
+      DB_USER: root
+      DB_PASSWORD: root
+
+    ports:
+      - "5001:5001"
+
+    depends_on:
+      - db
+
+    volumes:
+      - ./app/logs:/app/app/logs
+      - ./app/static/uploads:/app/app/static/uploads
+      - ./app/static/downloads:/app/app/static/downloads
+
+volumes:
+  mysql_data:

logs/app.log

@@ -1,200 +0,0 @@
-2025-12-09 13:11:05,606 | INFO | WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.
- * Running on http://127.0.0.1:5000
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- * Running on http://127.0.0.1:5000
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- * Running on http://127.0.0.1:5000
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- * Running on http://127.0.0.1:5001
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- * Running on http://127.0.0.1:5001
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- * Running on http://127.0.0.1:5001
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requirements.txt

@@ -4,4 +4,8 @@ openpyxl
 xlrd
 Werkzeug
 python-dotenv
-cryptography
+cryptography
+xlsxwriter
+matplotlib 
+flask_sqlalchemy
+flask_migrate

run.py

@@ -1,9 +1,17 @@
-from app import create_app, db
+from dotenv import load_dotenv
+load_dotenv()
+from app import create_app
+from app.services.db_service import db
+import os
 
 app = create_app()
 
-with app.app_context():
-    db.create_all()
-
 if __name__ == "__main__":
-    app.run(debug=True, port=5001)
+    with app.app_context():
+        db.create_all() 
+
+    app.run(
+        host=os.getenv("FLASK_HOST"),
+        port=int(os.getenv("FLASK_PORT")),
+        debug=os.getenv("FLASK_DEBUG") == "True"
+    )