Initial commit

model/Auth.py

@@ -0,0 +1,63 @@
+import os
+from dotenv import load_dotenv
+from flask_login import UserMixin
+from ldap3 import Server, Connection, ALL
+from ldap3.core.exceptions import LDAPBindError
+
+# Load .env
+load_dotenv()
+
+
+class DefaultCredentials:
+    username = os.getenv("DEFAULT_USERNAME")
+    password = os.getenv("DEFAULT_PASSWORD")
+
+
+class LoginLDAP:
+
+    def __init__(self, request):
+
+        self.username = request.form.get("username", "").strip()
+        self.password = request.form.get("password", "")
+
+        self.isDefaultCredentials = False
+        self.isValidLogin = False
+        self.errorMessage = ""
+
+        ldap_server = "ldap://localhost:389"
+        ldap_user_dn = f"uid={self.username},ou=users,dc=lcepl,dc=org"
+
+        # fallback admin login
+        if (
+            self.username == DefaultCredentials.username
+            and self.password == DefaultCredentials.password
+        ):
+            self.isDefaultCredentials = True
+            self.isValidLogin = True
+            return
+
+        try:
+
+            server = Server(ldap_server, get_info=ALL)
+
+            conn = Connection(
+                server,
+                user=ldap_user_dn,
+                password=self.password,
+                auto_bind=True
+            )
+
+            if conn.bound:
+                self.isValidLogin = True
+
+        except LDAPBindError:
+            self.errorMessage = "Invalid LDAP credentials"
+
+        except Exception as e:
+            self.errorMessage = str(e)
+
+
+class User(UserMixin):
+
+    def __init__(self, username):
+        self.id = username

model/Block.py

@@ -0,0 +1,165 @@
+from flask import Flask, render_template, request, redirect, url_for, send_from_directory, flash, jsonify, json
+from flask import current_app
+
+from datetime import datetime
+from flask_login import LoginManager, UserMixin, login_user, logout_user, login_required, current_user
+
+from model.Utilities import RegEx, ResponseHandler, HtmlHelper, ItemCRUDType
+from model.Log import LogData, LogHelper
+
+import os
+import config
+import re
+
+import mysql.connector
+from mysql.connector import Error
+
+from model.ItemCRUD import ItemCRUD, itemCRUDMapping
+
+
+class Block:
+
+    isSuccess = False
+    resultMessage = ""
+
+    def __init__(self):
+        self.isSuccess = False
+        self.resultMessage = ""
+
+    # ----------------------------------------------------------
+    # Add Block
+    # ----------------------------------------------------------
+    def AddBlock(self, request):
+
+       block = ItemCRUD(itemType=ItemCRUDType.Block)
+
+       district_id = request.form.get('district_Id')
+       block_name = request.form.get('block_Name', '').strip()
+
+       block.AddItem(request=request, parentid=district_id, childname=block_name,  storedprocfetch="GetBlockByNameAndDistricts", storedprocadd="SaveBlock" )
+       self.isSuccess = block.isSuccess
+       self.resultMessage = block.resultMessage
+       return
+
+    # ----------------------------------------------------------
+    # Get All Blocks
+    # ----------------------------------------------------------
+    # def GetAllBlocks(self):
+
+    #     block = ItemCRUD(itemType=ItemCRUDType.Block)
+    #     blocksdata = block.GetAllData(request=request, storedproc="GetAllBlock")
+    #     self.isSuccess = block.isSuccess
+    #     self.resultMessage = block.resultMessage
+    #     return blocksdata
+            
+    def GetAllBlocks(self, request):
+
+        block = ItemCRUD(itemType=ItemCRUDType.Block)
+        blocksdata = block.GetAllData(request=request, storedproc="GetAllBlock")
+
+        self.isSuccess = block.isSuccess
+        self.resultMessage = block.resultMessage
+        return blocksdata
+
+    # ----------------------------------------------------------
+    # Check Block Exists
+    # ----------------------------------------------------------
+
+    # def CheckBlock(self, request):
+    #     block = ItemCRUD(itemType=ItemCRUDType.Block)
+    #     block_name = request.json.get('block_Name', '').strip()
+    #     district_id = request.json.get('district_Id')
+    #     result = block.CheckItem(request=request, parentid=district_id, childname=block_name, storedprocfetch="GetBlockByNameAndDistrict")
+    #     self.isSuccess = block.isSuccess
+    #     self.resultMessage = block.resultMessage
+    #     return result
+    def CheckBlock(self, request):
+        block = ItemCRUD(itemType=ItemCRUDType.Block)
+        data = request.get_json(silent=True) or request.form
+        block_name = (data.get('block_Name') or '').strip()
+        district_id = data.get('district_Id')
+
+        result = block.CheckItem(
+            request=request,
+            parentid=district_id,
+            childname=block_name,
+            storedprocfetch="GetBlockByNameAndDistrict"
+        )
+        self.isSuccess = block.isSuccess
+        self.resultMessage = block.resultMessage
+        return result
+
+    # ----------------------------------------------------------
+    # Get Block By ID
+    # ----------------------------------------------------------
+    # def GetBlockByID(self, id):
+
+    #     block = ItemCRUD(itemType=ItemCRUDType.Village)
+    #     blockdata = block.GetAllData(id=id,storedproc="GetBlockDataByID")
+    #     self.isSuccess = block.isSuccess
+    #     self.resultMessage = block.resultMessage
+    #     print("akash"+blockdata)
+    #     return blockdata
+
+    # def GetBlockByID(self,request,id):
+    #     block = ItemCRUD(itemType=ItemCRUDType.Block)
+    #     blockdata = block.GetDataByID(request=request,id=id,storedproc="GetBlockDataByID")
+    #     self.isSuccess = block.isSuccess
+    #     self.resultMessage = block.resultMessage
+    #     return blockdata
+    def GetBlockByID(self, id):
+
+        block = ItemCRUD(itemType=ItemCRUDType.Block)
+
+        blockdata = block.GetDataByID(
+            id=id,
+            storedproc="GetBlockDataByID"
+        )
+
+        self.isSuccess = block.isSuccess
+        self.resultMessage = block.resultMessage
+
+        return blockdata
+    # ----------------------------------------------------------
+    # Update Block
+    # ----------------------------------------------------------
+    # def EditBlock(self, request, block_id):
+
+    #     block = ItemCRUD(itemType=ItemCRUDType.Block)
+
+    #     district_id = request.form.get('district_Id')
+    #     block_name = request.form.get('block_Name', '').strip()
+
+    #     block.EditItem(request=request, childid=block_id, parentid=district_id, childname=block_name,  storedprocadd="UpdateBlockById" )
+    #     self.isSuccess = block.isSuccess
+    #     self.resultMessage = block.resultMessage
+    #     return
+    def EditBlock(self, request, block_id):
+
+        block = ItemCRUD(itemType=ItemCRUDType.Block)
+
+        district_id = request.form.get('district_Id')
+        block_name = request.form.get('block_Name', '').strip()
+
+        block.EditItem(
+            request=request,
+            childid=block_id,
+            parentid=district_id,
+            childname=block_name,
+            storedprocupdate="UpdateBlockById"
+        )
+
+        self.isSuccess = block.isSuccess
+        self.resultMessage = block.resultMessage
+        return render_template('add_block.html')
+  
+    # ----------------------------------------------------------
+    # Delete Block
+    # ---------------------------------------------------------       
+    def DeleteBlock(self,request, id):
+        block = ItemCRUD(itemType=ItemCRUDType.Block)
+
+        block.DeleteItem(request=request,itemID=id, storedprocDelete="DeleteBlock")
+        self.isSuccess = block.isSuccess
+        self.resultMessage = block.resultMessage
+        return

model/ContractorInfo.py

@@ -0,0 +1,136 @@
+# import mysql.connector
+# from mysql.connector import Error
+# import config
+# import openpyxl
+# import os
+# import re
+# import ast
+# from datetime import datetime
+
+
+# class ContractorInfo:
+#     ID = ""
+#     contInfo = None
+#     def __init__(self, id):
+#         self.ID = id
+#         print(id)
+#         self.fetchData()
+
+#     def fetchData(self):
+#         try:
+#             connection = config.get_db_connection()
+#             cursor = connection.cursor(dictionary=True, buffered=True)
+#             print("here", flush=True)
+            
+#             cursor.callproc('GetContractorInfoById', [self.ID])
+#             for result in cursor.stored_results():
+#                 self.contInfo = result.fetchone() 
+            
+#             print(self.contInfo,flush=True)
+#         finally:
+#             cursor.close()
+#             connection.close()
+
+#     def fetchalldata(self):
+
+#         try:
+#             connection = config.get_db_connection()
+#             cursor = connection.cursor(dictionary=True, buffered=True)
+#             print("here", flush=True)
+            
+
+#                # ---------------- Hold Types ----------------
+#             cursor = connection.cursor(dictionary=True)
+
+#             cursor.callproc('GetHoldTypesByContractor', [self.ID])
+
+#             hold_types = []
+#             for result in cursor.stored_results():
+#                 hold_types = result.fetchall()
+#             hold_type_map = {ht['hold_type_id']: ht['hold_type'] for ht in hold_types}
+
+#             # ---------------- Invoices ----------------
+#             cursor = connection.cursor(dictionary=True)
+
+#             cursor.callproc('GetInvoicesByContractor', [self.ID])
+
+#             invoices = []
+#             for result in cursor.stored_results():
+#                 invoices = result.fetchall()
+
+#             # Remove duplicate invoices
+#             invoice_ids_seen = set()
+#             unique_invoices = []
+#             for inv in invoices:
+#                 if inv["Invoice_Id"] not in invoice_ids_seen:
+#                     invoice_ids_seen.add(inv["Invoice_Id"])
+#                     unique_invoices.append(inv)
+#             invoices = unique_invoices
+
+#         finally:
+#             cursor.close()
+#             connection.close()
+
+
+from mysql.connector import Error
+import config
+from datetime import datetime
+
+
+class ContractorInfo:
+    def __init__(self, contractor_id):
+        self.ID = contractor_id
+        self.contInfo = None
+        self.fetchData()
+
+    def fetchData(self):
+        """Fetch basic contractor info by ID."""
+        try:
+            connection = config.get_db_connection()
+            with connection.cursor(dictionary=True, buffered=True) as cursor:
+                cursor.callproc('GetContractorInfoById', [self.ID])
+                # Get the first result set
+                for result in cursor.stored_results():
+                    self.contInfo = result.fetchone()
+        except Error as e:
+            print(f"Error fetching contractor info: {e}")
+        finally:
+            if connection.is_connected():
+                connection.close()
+
+    def fetchalldata(self):
+        """Fetch hold types and invoices for contractor."""
+        data = {}
+        try:
+            connection = config.get_db_connection()
+            with connection.cursor(dictionary=True, buffered=True) as cursor:
+                # Fetch Hold Types
+                cursor.callproc('GetHoldTypesByContractor', [self.ID])
+                hold_types = []
+                for result in cursor.stored_results():
+                    hold_types = result.fetchall()
+                hold_type_map = {ht['hold_type_id']: ht['hold_type'] for ht in hold_types}
+                data['hold_types'] = hold_type_map
+
+                # Fetch Invoices
+                cursor.callproc('GetInvoicesByContractor', [self.ID])
+                invoices = []
+                for result in cursor.stored_results():
+                    invoices = result.fetchall()
+
+                # Remove duplicate invoices
+                seen_ids = set()
+                unique_invoices = []
+                for inv in invoices:
+                    if inv['Invoice_Id'] not in seen_ids:
+                        seen_ids.add(inv['Invoice_Id'])
+                        unique_invoices.append(inv)
+                data['invoices'] = unique_invoices
+
+        except Error as e:
+            print(f"Error fetching contractor data: {e}")
+        finally:
+            if connection.is_connected():
+                connection.close()
+
+        return data

model/District.py

@@ -0,0 +1,100 @@
+from flask import Flask, render_template, request, redirect, url_for, send_from_directory, flash, jsonify, json
+from flask import current_app
+
+from datetime import datetime
+from flask_login import LoginManager, UserMixin, login_user, logout_user, login_required, current_user
+
+from model.Utilities import RegEx, ResponseHandler, HtmlHelper, ItemCRUDType
+from model.Log import LogData, LogHelper
+
+import os
+import config
+import re
+
+import mysql.connector
+from mysql.connector import Error
+
+from model.ItemCRUD import ItemCRUD
+class District:
+
+    isSuccess = False
+    resultMessage = ""
+
+    def __init__(self):
+        self.isSuccess = False
+        self.resultMessage = ""
+
+
+    def EditDistrict(self, request, district_id):
+        district = ItemCRUD(itemType=ItemCRUDType.District)
+
+        district_name = request.form['district_Name'].strip()
+        state_id = request.form['state_Id']
+
+        district.EditItem(request=request, childid=district_id, parentid=state_id, childname=district_name,storedprocupdate="UpdateDistrict" )
+        self.isSuccess = district.isSuccess
+        self.resultMessage = district.resultMessage
+        return
+            
+
+    def AddDistrict(self, request): 
+
+       district = ItemCRUD(ItemCRUDType.District)
+
+       district_name = request.form['district_Name'].strip()
+       state_id = request.form['state_Id']
+
+       district.AddItem(request=request, parentid=state_id, childname=district_name,  storedprocfetch="GetDistrictByNameAndState", storedprocadd="SaveDistrict" )
+       self.isSuccess = district.isSuccess
+       self.resultMessage = district.resultMessage
+       return
+ 
+ 
+
+    def GetAllDistricts(self, request):
+        district = ItemCRUD(itemType=ItemCRUDType.District)
+        districtsdata = district.GetAllData(request=request, storedproc="GetAllDistricts")
+        self.isSuccess = district.isSuccess
+        self.resultMessage = district.resultMessage
+        return districtsdata
+
+
+    def CheckDistrict(self, request):
+        district = ItemCRUD(itemType=ItemCRUDType.District)
+        district_name = request.json.get('district_Name', '').strip()
+        state_id = request.json.get('state_Id', '')
+        result = district.CheckItem(request=request, parentid=state_id, childname=district_name, storedprocfetch="GetDistrictByNameAndState")
+        self.isSuccess = district.isSuccess
+        self.resultMessage = district.resultMessage
+        return result
+
+
+    # def GetDistrictByID(self, request,district_id):
+    #     district = ItemCRUD(itemType=ItemCRUDType.District)
+    #     districtdata = district.GetAllData(id=district_id,storedproc="GetDistrictDataByID")
+    #     self.isSuccess = district.isSuccess
+    #     self.resultMessage = district.resultMessage
+    #     return districtdata
+    def GetDistrictByID(self, request, district_id):
+        district = ItemCRUD(itemType=ItemCRUDType.District)
+
+        districtdata = district.GetDataByID(
+            id=district_id,
+            storedproc="GetDistrictDataByID"
+        )
+
+        if districtdata:
+            self.isSuccess = True
+        else:
+            self.isSuccess = False
+            self.resultMessage = "District not found"
+
+        return districtdata
+        
+
+#Delete District
+    def DeleteDistrict(self, request, district_id):
+        district = ItemCRUD(itemType=ItemCRUDType.District)
+        district.DeleteItem(request=request,itemID=district_id,storedprocDelete="DeleteDistrict")
+        self.isSuccess = district.isSuccess
+        self.resultMessage = str(district.resultMessage) 

model/GST.py

@@ -0,0 +1,55 @@
+import config
+
+class GST:
+
+    @staticmethod
+    def get_unreleased_gst():
+
+        connection = config.get_db_connection()
+        cursor = connection.cursor(dictionary=True)
+
+        try:
+            # ----------- Invoices -----------
+            cursor.callproc('GetAllInvoicesBasic')
+            invoices = []
+            for result in cursor.stored_results():
+                invoices = result.fetchall()
+
+
+            # ----------- GST Releases -----------
+            cursor.callproc('GetAllGSTReleasesBasic')
+            gst_releases = []
+            for result in cursor.stored_results():
+                gst_releases = result.fetchall()
+
+            gst_invoice_nos = {
+                g['Invoice_No']
+                for g in gst_releases
+                if g['Invoice_No']
+            }
+
+            gst_basic_amounts = {
+                float(g['Basic_Amount'])
+                for g in gst_releases
+                if g['Basic_Amount'] is not None
+            }
+
+            unreleased = []
+
+            for inv in invoices:
+
+                match_by_invoice = inv['Invoice_No'] in gst_invoice_nos
+
+                match_by_gst_amount = float(
+                    inv.get('GST_SD_Amount') or 0
+                ) in gst_basic_amounts
+
+                if not (match_by_invoice or match_by_gst_amount):
+                    unreleased.append(inv)
+
+            return unreleased
+
+        finally:
+            cursor.close()
+            connection.close()
+            

model/HoldTypes.py

@@ -0,0 +1,90 @@
+from flask import request
+from model.ItemCRUD import ItemCRUD
+from model.Utilities import ItemCRUDType
+
+class HoldTypes:
+    """CRUD operations for Hold Types using ItemCRUD"""
+
+    def __init__(self):
+        self.isSuccess = False
+        self.resultMessage = ""
+
+    # ------------------- Add Hold Type -------------------
+    def AddHoldType(self, request):
+        hold = ItemCRUD(itemType=ItemCRUDType.HoldType)
+        hold_name = request.form.get('hold_type', '').strip()
+
+        hold.AddItem(
+            request=request,
+            parentid=None,
+            childname=hold_name,
+            storedprocfetch="CheckHoldTypeExists",
+            storedprocadd="SaveHoldType"
+        )
+
+        self.isSuccess = hold.isSuccess
+        self.resultMessage = hold.resultMessage
+
+    # ------------------- Get All Hold Types -------------------
+    def GetAllHoldTypes(self, request=None):
+        hold = ItemCRUD(itemType=ItemCRUDType.HoldType)
+        rows = hold.GetAllData(request=request, storedproc="GetAllHoldTypes")
+
+        self.isSuccess = hold.isSuccess
+        self.resultMessage = hold.resultMessage
+
+        # ✅ Convert tuple → dictionary
+        data = []
+        for row in rows:
+            data.append({
+                "hold_type_id": row[0],
+                "hold_type": row[1]
+            })
+
+        return data
+
+    # ------------------- Get Hold Type By ID -------------------
+    def GetHoldTypeByID(self, hold_type_id):
+        hold = ItemCRUD(itemType=ItemCRUDType.HoldType)
+        row = hold.GetDataByID(hold_type_id, storedproc="GetHoldTypesById")
+
+        self.isSuccess = hold.isSuccess
+        self.resultMessage = hold.resultMessage
+
+        # ✅ Convert tuple → dictionary
+        if row:
+            return {
+                "hold_type_id": row[0],
+                "hold_type": row[1]
+            }
+
+        return None
+
+    # ------------------- Update Hold Type -------------------
+    def EditHoldType(self, request, hold_type_id):
+        hold = ItemCRUD(itemType=ItemCRUDType.HoldType)
+        hold_name = request.form.get('hold_type', '').strip()
+
+        hold.EditItem(
+            request=request,
+            childid=hold_type_id,
+            parentid=None,
+            childname=hold_name,
+            storedprocupdate="UpdateHoldTypeById"
+        )
+
+        self.isSuccess = hold.isSuccess
+        self.resultMessage = hold.resultMessage
+
+    # ------------------- Delete Hold Type -------------------
+    def DeleteHoldType(self, request, hold_type_id):
+        hold = ItemCRUD(itemType=ItemCRUDType.HoldType)
+
+        hold.DeleteItem(
+            request=request,
+            itemID=hold_type_id,
+            storedprocDelete="DeleteHoldType"
+        )
+
+        self.isSuccess = hold.isSuccess
+        self.resultMessage = hold.resultMessage

model/Invoice.py

@@ -0,0 +1,235 @@
+
+import config
+import mysql.connector
+
+# ------------------- Helper Functions -------------------
+def clear_results(cursor):
+    """Consume all stored results to prevent cursor issues."""
+    for r in cursor.stored_results():
+        r.fetchall()
+
+def fetch_one(cursor):
+    """Fetch first row from stored results."""
+    for result in cursor.stored_results():
+        return result.fetchone()
+    return None
+
+def fetch_all(cursor):
+    """Fetch all rows from stored results."""
+    data = []
+    for result in cursor.stored_results():
+        data.extend(result.fetchall())
+    return data
+
+def get_numeric_values(data):
+    """Return numeric fields for invoices safely."""
+    return [
+        float(data.get('basic_amount') or 0),
+        float(data.get('debit_amount') or 0),
+        float(data.get('after_debit_amount') or 0),
+        float(data.get('amount') or 0),
+        float(data.get('gst_amount') or 0),
+        float(data.get('tds_amount') or 0),
+        float(data.get('sd_amount') or 0),
+        float(data.get('on_commission') or 0),
+        float(data.get('hydro_testing') or 0),
+        float(data.get('gst_sd_amount') or 0),
+        float(data.get('final_amount') or 0),
+    ]
+
+def execute_db_operation(operation_func):
+    """General DB operation wrapper with commit/rollback."""
+    connection = config.get_db_connection()
+    cursor = connection.cursor(dictionary=True)
+    try:
+        result = operation_func(cursor)
+        connection.commit()
+        return result
+    except Exception:
+        connection.rollback()
+        raise
+    finally:
+        cursor.close()
+        connection.close()
+
+
+# ------------------- Village Functions -------------------
+def get_village_id(village_name):
+    def operation(cursor):
+        cursor.callproc("GetVillageIdByName", (village_name,))
+        return fetch_one(cursor)
+    return execute_db_operation(operation)
+
+def get_all_villages():
+    def operation(cursor):
+        cursor.callproc("GetAllVillages")
+        return fetch_all(cursor)
+    return execute_db_operation(operation)
+
+
+# ------------------- Invoice Functions -------------------
+def insert_invoice(data, village_id):
+    def operation(cursor):
+        # Insert invoice
+        cursor.callproc('InsertInvoice', [
+            data.get('pmc_no'),
+            village_id,
+            data.get('work_type'),
+            data.get('invoice_details'),
+            data.get('invoice_date'),
+            data.get('invoice_no'),
+            *get_numeric_values(data)
+        ])
+        invoice_row = fetch_one(cursor)
+        if not invoice_row:
+            raise Exception("Invoice ID not returned")
+        invoice_id = invoice_row.get('invoice_id')
+
+        # Insert inpayment
+        cursor.callproc('InsertInpayment', [
+            data.get('pmc_no'),
+            village_id,
+            data.get('work_type'),
+            data.get('invoice_details'),
+            data.get('invoice_date'),
+            data.get('invoice_no'),
+            *get_numeric_values(data),
+            data.get('subcontractor_id')
+        ])
+        clear_results(cursor)
+        return invoice_id
+
+    return execute_db_operation(operation)
+
+def get_all_invoice_details():
+    def operation(cursor):
+        cursor.callproc('GetAllInvoiceDetails')
+        return fetch_all(cursor)
+    return execute_db_operation(operation)
+
+def get_invoice_by_id(invoice_id):
+    def operation(cursor):
+        cursor.callproc('GetInvoiceDetailsById', [invoice_id])
+        invoice = fetch_one(cursor)
+
+        cursor.callproc('GetHoldAmountsByInvoiceId', [invoice_id])
+        hold_amounts = fetch_all(cursor)
+
+        if invoice:
+            invoice["hold_amounts"] = hold_amounts
+        return invoice
+    return execute_db_operation(operation)
+
+def update_invoice(data, invoice_id):
+    def operation(cursor):
+        cursor.callproc("GetVillageIdByName", (data.get('village'),))
+        village = fetch_one(cursor)
+        if not village:
+            raise Exception("Village not found")
+        village_id = village['Village_Id']
+
+        cursor.callproc('UpdateInvoice', [
+            data.get('pmc_no'),
+            village_id,
+            data.get('work_type'),
+            data.get('invoice_details'),
+            data.get('invoice_date'),
+            data.get('invoice_no'),
+            *get_numeric_values(data),
+            invoice_id
+        ])
+        clear_results(cursor)
+    execute_db_operation(operation)
+
+def update_inpayment(data):
+    def operation(cursor):
+        cursor.callproc('UpdateInpayment', [
+            data.get('work_type'),
+            data.get('invoice_details'),
+            data.get('invoice_date'),
+            *get_numeric_values(data),
+            data.get('pmc_no'),
+            data.get('invoice_no')
+        ])
+        clear_results(cursor)
+    execute_db_operation(operation)
+
+def delete_invoice_data(invoice_id, user_id):
+    def operation(cursor):
+        # Fetch PMC and Invoice_No from DB
+        cursor.callproc('GetInvoicePMCById', (invoice_id,))
+        record = {}
+        for result in cursor.stored_results():
+            record = result.fetchone() or {}
+        if not record:
+            raise Exception("Invoice not found")
+
+        # Use exact DB keys
+        pmc_no = record['PMC_No']
+        invoice_no = record['Invoice_No']
+
+        # Delete invoice
+        cursor.callproc("DeleteInvoice", (invoice_id,))
+        clear_results(cursor)
+
+        # Delete inpayment
+        cursor.callproc('DeleteInpaymentByPMCInvoice', (pmc_no, invoice_no))
+        clear_results(cursor)
+
+    execute_db_operation(operation)
+
+
+# ------------------- Subcontractor Functions -------------------
+def assign_subcontractor(data, village_id):
+    def operation(cursor):
+        cursor.callproc('AssignSubcontractor', [
+            data.get('pmc_no'),
+            data.get('subcontractor_id'),
+            village_id
+        ])
+        clear_results(cursor)
+    execute_db_operation(operation)
+
+
+# ------------------- Hold Types Functions -------------------
+def insert_hold_types(data, invoice_id):
+    def operation(cursor):
+        hold_types = data.getlist('hold_type[]')
+        hold_amounts = data.getlist('hold_amount[]')
+
+        for hold_type, hold_amount in zip(hold_types, hold_amounts):
+            if not hold_type:
+                continue
+
+            cursor.callproc('GetHoldTypeIdByName', [hold_type])
+            hold_type_result = fetch_one(cursor)
+
+            if not hold_type_result:
+                cursor.callproc('InsertHoldType', [hold_type, 0])
+                cursor.execute("SELECT @_InsertHoldType_1")
+                hold_type_id = cursor.fetchone()[0]
+            else:
+                hold_type_id = hold_type_result['hold_type_id']
+
+            cursor.callproc('InsertInvoiceSubcontractorHold', [
+                data.get('subcontractor_id'),
+                invoice_id,
+                hold_type_id,
+                float(hold_amount or 0)
+            ])
+            clear_results(cursor)
+    execute_db_operation(operation)
+
+def get_all_hold_types():
+    def operation(cursor):
+        cursor.callproc("GetAllHoldTypes")
+        return fetch_all(cursor)
+    return execute_db_operation(operation)
+
+
+# ------------------- Contractor Functions -------------------
+def search_contractors(sub_query):
+    def operation(cursor):
+        cursor.callproc('SearchContractorsByName', [sub_query])
+        return fetch_all(cursor)
+    return execute_db_operation(operation)

model/ItemCRUD.py

@@ -0,0 +1,287 @@
+from flask_login import current_user
+from model.Utilities import RegEx, ResponseHandler, HtmlHelper, ItemCRUDType
+from model.Log import LogHelper
+
+import config
+import re
+import mysql.connector
+
+
+# ----------------------------------------------------------
+# Mapping Class
+# ----------------------------------------------------------
+class itemCRUDMapping:
+
+    def __init__(self, itemType):
+        if itemType is ItemCRUDType.Village:
+            self.name = "Village"
+        elif itemType is ItemCRUDType.Block:
+            self.name = "Block"
+        elif itemType is ItemCRUDType.State:
+            self.name = "State"
+        elif itemType is ItemCRUDType.HoldType:
+            self.name = "Hold Type"
+        else:
+            self.name = "Item"
+
+
+# ----------------------------------------------------------
+# Generic CRUD Class
+# ----------------------------------------------------------
+class ItemCRUD:
+
+    def __init__(self, itemType):
+        self.isSuccess = False
+        self.resultMessage = ""
+        self.itemCRUDType = itemType
+        self.itemCRUDMapping = itemCRUDMapping(itemType)
+
+    # ----------------------------------------------------------
+    # DELETE
+    # ----------------------------------------------------------
+    def DeleteItem(self, request, itemID, storedprocDelete):
+
+        connection = config.get_db_connection()
+        cursor = connection.cursor()
+
+        LogHelper.log_action(
+            f"Delete {self.itemCRUDMapping.name}",
+            f"User {current_user.id} deleted {self.itemCRUDMapping.name} '{itemID}'"
+        )
+
+        try:
+            cursor.callproc(storedprocDelete, (itemID,))
+            connection.commit()
+
+            self.isSuccess = True
+            self.resultMessage = ResponseHandler.delete_success(self.itemCRUDMapping.name)['message']
+
+        except mysql.connector.Error as e:
+            print(f"Error deleting {self.itemCRUDMapping.name}: {e}")
+            self.isSuccess = False
+            self.resultMessage = ResponseHandler.delete_failure(self.itemCRUDMapping.name)['message']
+
+        finally:
+            cursor.close()
+            connection.close()
+
+    # ----------------------------------------------------------
+    # ADD
+    # ----------------------------------------------------------
+    def AddItem(self, request, parentid, childname, storedprocfetch, storedprocadd):
+
+        connection = config.get_db_connection()
+        if not connection:
+            self.isSuccess = False
+            self.resultMessage = HtmlHelper.json_response(
+                ResponseHandler.db_connection_failure(), 500
+            )
+            return
+
+        cursor = connection.cursor()
+
+        LogHelper.log_action(
+            f"Add {self.itemCRUDMapping.name}",
+            f"User {current_user.id} adding '{childname}'"
+        )
+
+        # Validation
+        if not re.match(RegEx.patternAlphabetOnly, childname):
+            self.isSuccess = False
+            self.resultMessage = HtmlHelper.json_response(
+                ResponseHandler.invalid_name(self.itemCRUDMapping.name), 400
+            )
+            return
+
+        try:
+            # Call check procedure
+            if parentid is None:
+                cursor.callproc(storedprocfetch, (childname,))
+            else:
+                cursor.callproc(storedprocfetch, (childname, parentid))
+
+            # ✅ FIX: initialize variable
+            existing_item = None
+
+            for rs in cursor.stored_results():
+                existing_item = rs.fetchone()
+
+            # Check duplicate
+            if existing_item:
+                self.isSuccess = False
+                self.resultMessage = HtmlHelper.json_response(
+                    ResponseHandler.already_exists(self.itemCRUDMapping.name), 409
+                )
+                return
+
+            # Insert
+            if parentid is None:
+                cursor.callproc(storedprocadd, (childname,))
+            else:
+                cursor.callproc(storedprocadd, (childname, parentid))
+
+            connection.commit()
+
+            self.isSuccess = True
+            self.resultMessage = HtmlHelper.json_response(
+                ResponseHandler.add_success(self.itemCRUDMapping.name), 200
+            )
+
+        except mysql.connector.Error as e:
+            print(f"Database Error: {e}")
+            self.isSuccess = False
+            self.resultMessage = HtmlHelper.json_response(
+                ResponseHandler.add_failure(self.itemCRUDMapping.name), 500
+            )
+
+        finally:
+            cursor.close()
+            connection.close()
+
+    # ----------------------------------------------------------
+    # EDIT
+    # ----------------------------------------------------------
+    def EditItem(self, request, childid, parentid, childname, storedprocupdate):
+
+        connection = config.get_db_connection()
+        cursor = connection.cursor()
+
+        LogHelper.log_action(
+            f"Edit {self.itemCRUDMapping.name}",
+            f"User {current_user.id} edited '{childid}'"
+        )
+
+        if not re.match(RegEx.patternAlphabetOnly, childname):
+            self.isSuccess = False
+            self.resultMessage = ResponseHandler.update_failure(self.itemCRUDMapping.name)['message']
+            return
+
+        try:
+            if parentid is None:
+                cursor.callproc(storedprocupdate, (childid, childname))
+            else:
+                cursor.callproc(storedprocupdate, (childid, parentid, childname))
+
+            connection.commit()
+
+            self.isSuccess = True
+            self.resultMessage = ResponseHandler.update_success(self.itemCRUDMapping.name)['message']
+
+        except mysql.connector.Error as e:
+            print(f"Error updating {self.itemCRUDMapping.name}: {e}")
+            self.isSuccess = False
+            self.resultMessage = HtmlHelper.json_response(
+                ResponseHandler.update_failure(self.itemCRUDMapping.name), 500
+            )
+
+        finally:
+            cursor.close()
+            connection.close()
+
+    # ----------------------------------------------------------
+    # GET ALL
+    # ----------------------------------------------------------
+    def GetAllData(self, request, storedproc):
+
+        data = []
+        connection = config.get_db_connection()
+
+        if not connection:
+            return []
+
+        cursor = connection.cursor()
+
+        try:
+            cursor.callproc(storedproc)
+
+            for result in cursor.stored_results():
+                data = result.fetchall()
+
+            self.isSuccess = True
+
+        except mysql.connector.Error as e:
+            print(f"Error fetching {self.itemCRUDMapping.name}: {e}")
+            self.isSuccess = False
+            self.resultMessage = HtmlHelper.json_response(
+                ResponseHandler.fetch_failure(self.itemCRUDMapping.name), 500
+            )
+            return []
+
+        finally:
+            cursor.close()
+            connection.close()
+
+        return data
+
+    # ----------------------------------------------------------
+    # GET BY ID
+    # ----------------------------------------------------------
+    def GetDataByID(self, id, storedproc):
+
+        data = None
+        connection = config.get_db_connection()
+        cursor = connection.cursor()
+
+        try:
+            cursor.callproc(storedproc, (id,))
+
+            for rs in cursor.stored_results():
+                data = rs.fetchone()
+
+        except mysql.connector.Error as e:
+            print(f"Error fetching {self.itemCRUDMapping.name}: {e}")
+
+        finally:
+            cursor.close()
+            connection.close()
+
+        return data
+
+    # ----------------------------------------------------------
+    # CHECK ITEM
+    # ----------------------------------------------------------
+    def CheckItem(self, request, parentid, childname, storedprocfetch):
+
+        connection = config.get_db_connection()
+        cursor = connection.cursor()
+
+        LogHelper.log_action(
+            f"Check {self.itemCRUDMapping.name}",
+            f"User {current_user.id} checked '{childname}'"
+        )
+
+        if not re.match(RegEx.patternAlphabetOnly, childname):
+            return HtmlHelper.json_response(
+                ResponseHandler.invalid_name(self.itemCRUDMapping.name), 400
+            )
+
+        try:
+            if parentid is None:
+                cursor.callproc(storedprocfetch, (childname,))
+            else:
+                cursor.callproc(storedprocfetch, (childname, parentid))
+
+            # ✅ FIX
+            existing_item = None
+
+            for rs in cursor.stored_results():
+                existing_item = rs.fetchone()
+
+            if existing_item:
+                return HtmlHelper.json_response(
+                    ResponseHandler.already_exists(self.itemCRUDMapping.name), 409
+                )
+
+            return HtmlHelper.json_response(
+                ResponseHandler.is_available(self.itemCRUDMapping.name), 200
+            )
+
+        except mysql.connector.Error as e:
+            print(f"Error checking {self.itemCRUDMapping.name}: {e}")
+            return HtmlHelper.json_response(
+                ResponseHandler.fetch_failure(self.itemCRUDMapping.name), 500
+            )
+
+        finally:
+            cursor.close()
+            connection.close()

model/Log.py

@@ -0,0 +1,87 @@
+from flask import Flask, render_template, request, redirect, url_for, send_from_directory, flash, jsonify, json
+from flask import current_app
+
+from datetime import datetime
+from flask_login import LoginManager, UserMixin, login_user, logout_user, login_required, current_user
+
+import os
+
+class LogHelper:
+    @staticmethod
+    def log_action(action, details=""):
+        """Log user actions with timestamp, user, action, and details."""
+        logData = LogData()
+        logData.WriteLog(action, details="")
+
+class LogData:
+
+    filepath = ""
+    timestamp = None
+
+    def __init__(self):
+        self.filepath = os.path.join(current_app.root_path, 'activity.log')
+        self.timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+
+        if hasattr(current_user, "cn") and current_user.cn:
+            self.user = current_user.cn
+        elif hasattr(current_user, "username") and current_user.username:
+            self.user = current_user.username
+        elif hasattr(current_user, "sAMAccountName") and current_user.sAMAccountName:
+            self.user = current_user.sAMAccountName
+        else:
+            self.user = "Unknown"
+
+    def WriteLog(self, action, details=""):
+        """Log user actions with timestamp, user, action, and details."""
+        
+        with open(self.filepath, "a", encoding="utf-8") as f:
+            f.write(
+                f"Timestamp: {self.timestamp} | "
+                f"User: {self.user} | "
+                f"Action: {action} | "
+                f"Details: {details}\n"
+            )
+
+
+    def GetActivitiesLog(self):
+        logs = []
+
+        if os.path.exists(self.filepath):
+            with open(self.filepath, 'r') as f:
+                for line in f:
+                    parts = line.strip().split(" | ")
+                    if len(parts) == 4:
+                        logs.append({
+                            "timestamp": parts[0].replace("Timestamp:", "").strip(),
+                            "user": parts[1].replace("User:", "").strip(),
+                            "action": parts[2].replace("Action:", "").strip(),
+                            "details": parts[3].replace("Details:", "").strip()
+                        })
+        return logs
+
+    def GetFilteredActivitiesLog(self, startDate, endDate, userName):
+
+        filtered_logs = self.GetActivitiesLog()
+
+        # Date filter
+        if startDate or endDate:
+            try:
+                start_dt = datetime.strptime(startDate, "%Y-%m-%d") if startDate else datetime.min
+                end_dt = datetime.strptime(endDate, "%Y-%m-%d") if endDate else datetime.max
+
+
+                filtered_logs = [
+                    log for log in filtered_logs
+                    if start_dt <= datetime.strptime(log["timestamp"], "%Y-%m-%d %H:%M:%S") <= end_dt
+                ]
+
+
+            except Exception as e:
+                print("Date filter error:", e)
+            #Why catching all exceptions? Need to handle specific exceptions
+
+        # Username filter
+        if userName:
+            filtered_logs = [log for log in filtered_logs if userName.lower() in log["user"].lower()]
+
+        return filtered_logs

model/PmcReport.py

@@ -0,0 +1,293 @@
+import os
+import openpyxl
+from openpyxl.styles import Font, PatternFill
+from decimal import Decimal
+from datetime import datetime
+import config
+from flask_login import current_user
+from model.Log import LogHelper
+class PmcReport:
+
+    @staticmethod
+    def get_pmc_report(pmc_no):
+
+        connection = config.get_db_connection()
+        cursor = connection.cursor(dictionary=True, buffered=True)
+
+        try:
+
+            cursor.callproc("GetContractorInfoByPmcNo", (pmc_no,))
+            pmc_info = next(cursor.stored_results()).fetchone()
+
+            if not pmc_info:
+                return None
+
+            cursor.callproc("Get_pmc_hold_types", (pmc_no, pmc_info["Contractor_Id"]))
+            hold_types = next(cursor.stored_results()).fetchall()
+
+            # Extract hold_type_ids
+            hold_type_ids = [ht['hold_type_id'] for ht in hold_types]
+
+            invoices = []
+            hold_amount_total = 0
+            if hold_type_ids:
+
+                    hold_type_ids_str = ",".join(map(str, hold_type_ids))
+
+                    cursor.callproc(
+                        'GetInvoices_WithHold',
+                        [pmc_no, pmc_info["Contractor_Id"], hold_type_ids_str]
+                    )
+            else:
+
+                    cursor.callproc(
+                        'GetInvoices_NoHold',
+                        [pmc_no, pmc_info["Contractor_Id"]]
+                    )
+            for result in cursor.stored_results():
+                    invoices = result.fetchall()
+
+            if hold_type_ids:
+                hold_amount_total = sum(row.get('hold_amount', 0) or 0 for row in invoices)
+
+            total_invo_final = sum(row.get('Final_Amount', 0) or 0 for row in invoices)
+
+
+            # GST RELEASE
+            cursor.callproc('GetGSTReleaseByPMC', [pmc_no])
+            gst_rel = []
+            for result in cursor.stored_results():
+                gst_rel = result.fetchall()
+
+            total_gst_basic = sum(row.get('basic_amount', 0) or 0 for row in gst_rel)
+            total_gst_final = sum(row.get('final_amount', 0) or 0 for row in gst_rel)
+
+            # ---------------- HOLD RELEASE ----------------
+            cursor.callproc('GetHoldReleaseByPMC', [pmc_no])
+            hold_release = []
+            for result in cursor.stored_results():
+                hold_release = result.fetchall()
+
+
+            # ---------------- CREDIT NOTE ----------------
+            cursor.callproc('GetCreditNoteByPMC', [pmc_no])
+            credit_note = []
+            for result in cursor.stored_results():
+                credit_note = result.fetchall()
+
+
+            # ---------------- PAYMENTS ----------------
+            cursor.callproc('GetPaymentsByPMC', [pmc_no])
+            payments = []
+            for result in cursor.stored_results():
+                payments = result.fetchall()
+
+            total_pay_amount = sum(row.get('Payment_Amount', 0) or 0 for row in payments)
+            total_pay_total = sum(row.get('Total_amount', 0) or 0 for row in payments)
+
+            totals = {
+                "sum_invo_basic_amt": sum(row.get('Basic_Amount', 0) or 0 for row in invoices),
+                "sum_invo_debit_amt": sum(row.get('Debit_Amount', 0) or 0 for row in invoices),
+                "sum_invo_after_debit_amt": sum(row.get('After_Debit_Amount', 0) or 0 for row in invoices),
+                "sum_invo_amt": sum(row.get('Amount', 0) or 0 for row in invoices),
+                "sum_invo_gst_amt": sum(row.get('GST_Amount', 0) or 0 for row in invoices),
+                "sum_invo_tds_amt": sum(row.get('TDS_Amount', 0) or 0 for row in invoices),
+                "sum_invo_ds_amt": sum(row.get('SD_Amount', 0) or 0 for row in invoices),
+                "sum_invo_on_commission": sum(row.get('On_Commission', 0) or 0 for row in invoices),
+                "sum_invo_hydro_test": sum(row.get('Hydro_Testing', 0) or 0 for row in invoices),
+                "sum_invo_gst_sd_amt": sum(row.get('GST_SD_Amount', 0) or 0 for row in invoices),
+                "sum_invo_final_amt": total_invo_final,
+                "sum_invo_hold_amt": hold_amount_total,
+                "sum_gst_basic_amt": total_gst_basic,
+                "sum_gst_final_amt": total_gst_final,
+                "sum_pay_payment_amt": total_pay_amount,
+                "sum_pay_tds_payment_amt": sum(row.get('TDS_Payment_Amount', 0) or 0 for row in payments),
+                "sum_pay_total_amt": total_pay_total
+            }
+
+            return {
+                "info": pmc_info,
+                "invoices": invoices,
+                "hold_types": hold_types,
+                "gst_rel": gst_rel,
+                "payments": payments,
+                "credit_note": credit_note,
+                "hold_release": hold_release,
+                "total": totals
+            }
+
+        finally:
+            cursor.close()
+            connection.close()
+
+
+    @staticmethod
+    def download_pmc_report(pmc_no):
+
+        connection = config.get_db_connection()
+        output_folder = "static/download"
+        output_file = os.path.join(output_folder, f"PMC_Report_{pmc_no}.xlsx")
+
+        if not os.path.exists(output_folder):
+            os.makedirs(output_folder)
+
+        cursor = connection.cursor(dictionary=True)
+
+        try:
+
+            cursor.callproc('GetContractorDetailsByPMC', [pmc_no])
+            contractor_info = next(cursor.stored_results()).fetchone()
+
+            if not contractor_info:
+                return None
+
+            cursor.callproc('GetHoldTypesByContractor', [contractor_info["Contractor_Id"]])
+            hold_types = next(cursor.stored_results()).fetchall()
+
+            hold_type_map = {ht['hold_type_id']: ht['hold_type'] for ht in hold_types}
+
+            cursor.callproc('GetInvoicesAndGstReleaseByPmcNo', [pmc_no])
+            invoices = next(cursor.stored_results()).fetchall()
+
+            cursor.callproc('GetCreditNoteByContractor',[contractor_info["Contractor_Id"]])
+
+            credit_notes = []
+            for result in cursor.stored_results():
+                credit_notes = result.fetchall()
+
+            credit_note_map = {}
+            for cn in credit_notes:
+                key = (cn["PMC_No"], cn["Invoice_No"])
+                credit_note_map.setdefault(key, []).append(cn)
+
+            cursor.callproc('GetHoldAmountsByContractor', [contractor_info["Contractor_Id"]])
+            hold_amounts = next(cursor.stored_results()).fetchall()
+
+            hold_data = {}
+            for h in hold_amounts:
+                hold_data.setdefault(h['Invoice_Id'], {})[h['hold_type_id']] = h['hold_amount']
+
+            cursor.callproc('GetAllPaymentsByPMC', [pmc_no])
+            all_payments = next(cursor.stored_results()).fetchall()
+
+            payments_map = {}
+            extra_payments = []
+
+            for pay in all_payments:
+                if pay['invoice_no']:
+                    payments_map.setdefault(pay['invoice_no'], []).append(pay)
+                else:
+                    extra_payments.append(pay)
+
+          # ---------------- GST RELEASE DETAILS ----------------
+            cursor.callproc('GetGSTReleaseDetailsByPMC', [pmc_no])
+
+            gst_releases = []
+            for result in cursor.stored_results():
+                gst_releases = result.fetchall()
+
+            gst_release_map = {}
+
+            for gr in gst_releases:
+
+                invoice_nos = []
+
+                if gr['Invoice_No']:
+
+                    cleaned = gr['Invoice_No'].replace(' ', '')
+
+                    if '&' in cleaned:
+                        invoice_nos = cleaned.split('&')
+
+                    elif ',' in cleaned:
+                        invoice_nos = cleaned.split(',')
+
+                    else:
+                        invoice_nos = [cleaned]
+
+                for inv_no in invoice_nos:
+                    gst_release_map.setdefault(inv_no, []).append(gr)
+
+            LogHelper.log_action(
+                "Download PMC Report",
+                f"User {current_user.id} Download PMC Report '{pmc_no}'"
+            )
+
+            workbook = openpyxl.Workbook()
+            sheet = workbook.active
+            sheet.title = "PMC Report"
+
+            sheet.append(["", "", "Laxmi Civil Engineering Services PVT. LTD."])
+            sheet.append(["Contractor Name", contractor_info["Contractor_Name"], "", "GST No", contractor_info["GST_No"], "", "GST Type", contractor_info["GST_Registration_Type"]])
+            sheet.append(["State", contractor_info["State_Name"], "", "PAN No", contractor_info["PAN_No"], "", "Address", contractor_info["Address"]])
+            sheet.append(["District", contractor_info["District_Name"], "", "Mobile No", contractor_info["Mobile_No"]])
+            sheet.append(["Block", contractor_info["Block_Name"], "", "Email", contractor_info["Email"]])
+            sheet.append([])
+
+            base_headers = [
+                "PMC No","Village","Work Type","Invoice Details","Invoice Date","Invoice No",
+                "Basic Amount","Debit","After Debit Amount","GST (18%)","Amount","TDS (1%)",
+                "SD (5%)","On Commission","Hydro Testing","GST SD Amount"
+            ]
+
+            hold_headers = [ht['hold_type'] for ht in hold_types]
+
+            payment_headers = [
+                "Final Amount","Payment Amount","TDS Payment","Total Paid","UTR"
+            ]
+
+            sheet.append(base_headers + hold_headers + payment_headers)
+
+            header_fill = PatternFill(start_color="ADD8E6",end_color="ADD8E6",fill_type="solid")
+            header_font = Font(bold=True)
+
+            for cell in sheet[sheet.max_row]:
+                cell.font = header_font
+                cell.fill = header_fill
+
+            seen_invoices = set()
+            processed_payments = set()
+
+            for inv in invoices:
+
+                invoice_no = inv["Invoice_No"]
+                payments = payments_map.get(invoice_no, [])
+
+                if invoice_no not in seen_invoices:
+
+                    seen_invoices.add(invoice_no)
+                    first_payment = payments[0] if payments else None
+
+                    row = [
+                        pmc_no, inv["Village_Name"], inv["Work_Type"],
+                        inv["Invoice_Details"], inv["Invoice_Date"], invoice_no,
+                        inv["Basic_Amount"], inv["Debit_Amount"],
+                        inv["After_Debit_Amount"], inv["GST_Amount"],
+                        inv["Amount"], inv["TDS_Amount"], inv["SD_Amount"],
+                        inv["On_Commission"], inv["Hydro_Testing"], inv["GST_SD_Amount"]
+                    ]
+
+                    invoice_holds = hold_data.get(inv["Invoice_Id"], {})
+
+                    for ht_id in hold_type_map.keys():
+                        row.append(invoice_holds.get(ht_id, ""))
+
+                    row += [
+                        inv["Final_Amount"],
+                        first_payment["Payment_Amount"] if first_payment else "",
+                        first_payment["TDS_Payment_Amount"] if first_payment else "",
+                        first_payment["Total_amount"] if first_payment else "",
+                        first_payment["UTR"] if first_payment else ""
+                    ]
+
+                    sheet.append(row)
+
+            workbook.save(output_file)
+            workbook.close()
+
+            return output_folder, f"PMC_Report_{pmc_no}.xlsx"
+
+        finally:
+
+            cursor.close()
+            connection.close()

model/Report.py

@@ -0,0 +1,116 @@
+import config
+from datetime import datetime
+
+class ReportHelper:
+
+    @staticmethod
+    def search_contractor(subcontractor_name, pmc_no, state, district, block, village, year_from, year_to):
+
+        connection = config.get_db_connection()
+        cursor = connection.cursor(dictionary=True)
+
+        cursor.callproc("search_contractor_info", [
+            subcontractor_name or None,
+            pmc_no or None,
+            state or None,
+            district or None,
+            block or None,
+            village or None,
+            year_from or None,
+            year_to or None
+        ])
+
+        data = []
+        for result in cursor.stored_results():
+            data = result.fetchall()
+
+        cursor.close()
+        connection.close()
+
+        return data
+
+    
+    @staticmethod
+    def get_contractor_report(contractor_id):
+
+            connection = config.get_db_connection()
+            cursor = connection.cursor(dictionary=True, buffered=True)
+
+
+            try:
+                # Contractor Info
+                cursor.callproc('GetContractorInfo', [contractor_id])
+                for result in cursor.stored_results():
+                    contInfo = result.fetchone()
+
+                # Hold Types
+                cursor.callproc('GetContractorHoldTypes', [contractor_id])
+                for result in cursor.stored_results():
+                    hold_types = result.fetchall()
+
+                # Invoices
+                cursor.callproc('GetContractorInvoices', [contractor_id])
+                for result in cursor.stored_results():
+                    invoices = result.fetchall()
+
+                # GST Release
+                cursor.callproc('GetGSTRelease', [contractor_id])
+                for result in cursor.stored_results():
+                    gst_rel = result.fetchall()
+
+                # Hold Release
+                cursor.callproc('GetHoldRelease', [contractor_id])
+                for result in cursor.stored_results():
+                    hold_release = result.fetchall()
+
+                # Credit Note
+                cursor.callproc('GetCreditNote', [contractor_id])
+                for result in cursor.stored_results():
+                    credit_note = result.fetchall()
+
+                # Payments
+                cursor.callproc('GetPayments', [contractor_id])
+                for result in cursor.stored_results():
+                    payments = result.fetchall()
+
+
+                # Totals
+                total = {
+                    "sum_invo_basic_amt": float(sum(row['Basic_Amount'] or 0 for row in invoices)),
+                    "sum_invo_debit_amt": float(sum(row['Debit_Amount'] or 0 for row in invoices)),
+                    "sum_invo_after_debit_amt": float(sum(row['After_Debit_Amount'] or 0 for row in invoices)),
+                    "sum_invo_amt": float(sum(row['Amount'] or 0 for row in invoices)),
+                    "sum_invo_gst_amt": float(sum(row['GST_Amount'] or 0 for row in invoices)),
+                    "sum_invo_tds_amt": float(sum(row['TDS_Amount'] or 0 for row in invoices)),
+                    "sum_invo_ds_amt": float(sum(row['SD_Amount'] or 0 for row in invoices)),
+                    "sum_invo_on_commission": float(sum(row['On_Commission'] or 0 for row in invoices)),
+                    "sum_invo_hydro_test": float(sum(row['Hydro_Testing'] or 0 for row in invoices)),
+                    "sum_invo_gst_sd_amt": float(sum(row['GST_SD_Amount'] or 0 for row in invoices)),
+                    "sum_invo_final_amt": float(sum(row['Final_Amount'] or 0 for row in invoices)),
+                    "sum_invo_hold_amt": float(sum(row['hold_amount'] or 0 for row in invoices)),
+
+                    "sum_gst_basic_amt": float(sum(row['basic_amount'] or 0 for row in gst_rel)),
+                    "sum_gst_final_amt": float(sum(row['final_amount'] or 0 for row in gst_rel)),
+
+                    "sum_pay_payment_amt": float(sum(row['Payment_Amount'] or 0 for row in payments)),
+                    "sum_pay_tds_payment_amt": float(sum(row['TDS_Payment_Amount'] or 0 for row in payments)),
+                    "sum_pay_total_amt": float(sum(row['Total_amount'] or 0 for row in payments))
+                }
+
+                current_date = datetime.now().strftime('%Y-%m-%d')
+
+            finally:
+                cursor.close()
+                connection.close()
+
+            return {
+                "contInfo": contInfo,
+                "invoices": invoices,
+                "hold_types": hold_types,
+                "gst_rel": gst_rel,
+                "payments": payments,
+                "credit_note": credit_note,
+                "hold_release": hold_release,
+                "total": total,
+                "current_date": current_date
+            }

model/State.py

@@ -0,0 +1,246 @@
+from flask import Flask, render_template, request, redirect, url_for, send_from_directory, flash, jsonify, json
+from flask import current_app
+
+from datetime import datetime
+from flask_login import LoginManager, UserMixin, login_user, logout_user, login_required, current_user
+
+from model.Utilities import RegEx, ResponseHandler, HtmlHelper, ItemCRUDType
+from model.Log import LogData, LogHelper
+
+import os
+import config
+import re
+
+import mysql.connector
+from mysql.connector import Error
+
+class State:
+
+    isSuccess = False
+    resultMessage = ""
+
+    def __init__(self):
+        self.isSuccess = False
+        self.resultMessage = ""
+
+    def AddState(self, request):
+        """Log user actions with timestamp, user, action, and details."""
+        statedata = []
+        
+        connection = config.get_db_connection()
+
+        if connection:
+            cursor = connection.cursor()
+            state_name = request.form['state_Name'].strip()
+            LogHelper.log_action("Add State", f"User {current_user.id} added state '{state_name}'")
+
+            if not re.match(RegEx.patternAlphabetOnly, state_name):
+                self.isSuccess = False
+                self.resultMessage = HtmlHelper.json_response(ResponseHandler.invalid_name("state"), 400)
+                return
+
+            try:
+
+                cursor.callproc("CheckStateExists", (state_name,))
+                for data in cursor.stored_results():
+                    existing_state = data.fetchone()
+
+                if existing_state:
+                    self.isSuccess = False
+                    self.resultMessage = HtmlHelper.json_response(ResponseHandler.already_exists("state"), 409)
+                    return
+
+                # cursor.execute("call SaveState (%s)", (state_name,))
+                cursor.callproc("SaveState", (state_name,))
+                connection.commit()
+                self.isSuccess = True
+                self.resultMessage = HtmlHelper.json_response(ResponseHandler.add_success("state"), 200)
+                return
+
+            except mysql.connector.Error as e:
+                print(f"Error inserting state: {e}")
+                self.isSuccess = False
+                self.resultMessage = HtmlHelper.json_response(ResponseHandler.add_failure("state"), 500)
+                return
+
+            #Need to make this seperate
+
+
+
+    def GetAllStates(self, request):
+        """Log user actions with timestamp, user, action, and details."""
+        statedata = []
+        connection = config.get_db_connection()
+    
+        self.isSuccess = False
+        self.resultMessage = ""
+
+        if not connection:
+            return []
+        
+        cursor = connection.cursor()
+
+        try:
+            cursor.callproc("GetAllStates")
+            for res in cursor.stored_results():
+                statedata = res.fetchall()
+            self.isSuccess = True
+
+        
+        except mysql.connector.Error as e:
+            print(f"Error fetching states: {e}")
+            self.isSuccess = False
+            self.resultMessage = HtmlHelper.json_response(ResponseHandler.fetch_failure("state"), 500)
+            return []    
+
+        finally:
+            cursor.close()
+            connection.close()
+
+        return statedata
+
+
+
+    def CheckState(self, request):
+        self.isSuccess = False
+        self.resultMessage = ""
+
+        connection = config.get_db_connection()
+        #connection closing needs to be verified
+        if connection:
+            cursor = connection.cursor()
+            state_name = request.json.get('state_Name', '').strip()
+            LogHelper.log_action("Check State", f"User {current_user.id} Checked state '{state_name}'")
+            if not re.match(RegEx.patternAlphabetOnly, state_name):
+                self.isSuccess = False
+                self.resultMessage = HtmlHelper.json_response(ResponseHandler.invalid_name("state"), 400)
+                return HtmlHelper.json_response(ResponseHandler.invalid_name("state"), 400)
+
+            try:
+                # cursor.execute("SELECT * FROM states WHERE State_Name = %s", (state_name,))
+                # existing_state = cursor.fetchone()
+
+                cursor.callproc("CheckStateExists", (state_name,))
+                for data in cursor.stored_results():
+                    existing_state = data.fetchone()
+
+                if existing_state:
+                    self.isSuccess = False
+                    self.resultMessage = HtmlHelper.json_response(ResponseHandler.already_exists("state"), 409)
+                    return HtmlHelper.json_response(ResponseHandler.already_exists("state"), 409)
+                else:
+                    self.isSuccess = True
+                    self.resultMessage = HtmlHelper.json_response(ResponseHandler.is_available("state"), 200)
+                    return HtmlHelper.json_response(ResponseHandler.is_available("state"), 200)
+
+            except mysql.connector.Error as e:
+                self.isSuccess = False
+                self.resultMessage = HtmlHelper.json_response(ResponseHandler.add_failure("state"), 500)
+
+                print(f"Error checking state: {e}")
+                return HtmlHelper.json_response(ResponseHandler.add_failure("state"), 500)
+            finally:
+                cursor.close()
+                connection.close()
+
+
+
+    def DeleteState(self, request, id):
+        self.isSuccess = False
+        self.resultMessage = ""
+
+        connection = config.get_db_connection()
+        cursor = connection.cursor()
+        LogHelper.log_action("Delete State", f"User {current_user.id} Deleted state '{id}'")
+        try:
+            cursor.callproc('DeleteState', (id,))
+            connection.commit()
+
+            self.resultMessage = "Successfully Deleted"
+            self.isSuccess = True
+        except mysql.connector.Error as e:
+            print(f"Error deleting data: {e}")
+            self.isSuccess = False
+            self.resultMessage = HtmlHelper.json_response(ResponseHandler.delete_failure("state"), 500)
+            return HtmlHelper.json_response(ResponseHandler.delete_failure("state"), 500)
+
+        finally:
+            cursor.close()
+            connection.close()
+        return self.resultMessage
+    
+
+    def EditState(self, request, id):
+        self.isSuccess = False
+        self.resultMessage = ""
+
+        connection = config.get_db_connection()
+        cursor = connection.cursor()
+        # str_pattern_reg = r"^[A-Za-z\s]+$"
+
+        state_name = request.form['state_Name'].strip()
+        LogHelper.log_action("Edit State", f"User {current_user.id} Edited state '{state_name}'")
+        if not re.match(RegEx.patternAlphabetOnly, state_name):
+            self.isSuccess = False
+            self.resultMessage = ResponseHandler.invalid_name("state"), 400
+            return ResponseHandler.invalid_name("state"), 400
+
+        try:
+            # cursor.execute("UPDATE states SET State_Name = %s WHERE State_ID = %s", (state_name, id))
+            cursor.callproc("UpdateStateById", (id, state_name))
+            connection.commit()
+            self.isSuccess = True
+            self.resultMessage = "Successfully Edited"
+            return redirect(url_for('state.add_state'))
+        except mysql.connector.Error as e:
+            print(f"Error updating data: {e}")
+            self.isSuccess = True
+            self.resultMessage = ResponseHandler.add_failure("state"), 500
+
+            return ResponseHandler.add_failure("state"), 500
+        finally:
+            cursor.close()
+            connection.close()
+
+
+
+
+
+    def GetStateByID(self, request, id):
+        """Log user actions with timestamp, user, action, and details."""
+        statedata = []
+    
+        self.isSuccess = False
+        self.resultMessage = ""
+
+        connection = config.get_db_connection()
+        if not connection:
+            return []        
+        cursor = connection.cursor()
+
+        try:
+            cursor.callproc("GetStateByID", (id,))
+            for res in cursor.stored_results():
+                statedata = res.fetchone()
+
+            if statedata:
+                self.isSuccess = True
+                self.resultMessage = "Success in Fetching"
+            else:
+                self.isSuccess = False
+                self.resultMessage = "State Not Found"
+
+        
+        except mysql.connector.Error as e:
+            print(f"Error fetching states: {e}")
+            self.isSuccess = False
+            self.resultMessage = HtmlHelper.json_response(ResponseHandler.fetch_failure("state"), 500)
+            return []    
+
+        finally:
+            cursor.close()
+            connection.close()
+
+        return statedata
+
+

model/Subcontractor.py

@@ -0,0 +1,131 @@
+# model/Subcontractor.py
+
+import config
+from model.Log import LogHelper 
+from mysql.connector import Error
+
+class Subcontractor:
+
+    @staticmethod
+    def get_connection():
+        return config.get_db_connection()
+
+    @staticmethod
+    def get_all_subcontractors():
+        connection = Subcontractor.get_connection()
+        subcontractors = []
+        if not connection:
+            return None, "Database connection failed"
+        try:
+            cursor = connection.cursor()
+            cursor.callproc('GetAllSubcontractors')
+            for result in cursor.stored_results():
+                subcontractors = result.fetchall()
+        except Error as e:
+            print(f"Error fetching subcontractors: {e}")
+            return None, str(e)
+        finally:
+            cursor.close()
+            connection.close()
+        return subcontractors, None
+
+    @staticmethod
+    def get_subcontractor_by_id(id):
+        connection = Subcontractor.get_connection()
+        subcontractor = None
+        if not connection:
+            return None, "Database connection failed"
+        try:
+            cursor = connection.cursor()
+            cursor.callproc("GetSubcontractorById", (id,))
+            for result in cursor.stored_results():
+                subcontractor = result.fetchone()
+        except Error as e:
+            print(f"Error fetching subcontractor: {e}")
+            return None, str(e)
+        finally:
+            cursor.close()
+            connection.close()
+        return subcontractor, None
+
+    @staticmethod
+    def save_subcontractor(data):
+        connection = Subcontractor.get_connection()
+        if not connection:
+            return "Database connection failed"
+        try:
+            cursor = connection.cursor()
+            cursor.callproc('SaveContractor', (
+                data['Contractor_Name'],
+                data['Address'],
+                data['Mobile_No'],
+                data['PAN_No'],
+                data['Email'],
+                data['Gender'],
+                data['GST_Registration_Type'],
+                data['GST_No'],
+                data['Contractor_password']
+            ))
+            connection.commit()
+            # Active log
+            LogHelper.log_action("Add Subcontractor", f"Added subcontractor '{data['Contractor_Name']}'")
+        except Error as e:
+            print(f"Error inserting subcontractor: {e}")
+            return str(e)
+        finally:
+            cursor.close()
+            connection.close()
+        return None
+
+    @staticmethod
+    def update_subcontractor(id, data):
+        connection = Subcontractor.get_connection()
+        if not connection:
+            return "Database connection failed"
+        try:
+            cursor = connection.cursor()
+            cursor.callproc('UpdateSubcontractor', (
+                id,
+                data['Contractor_Name'],
+                data['Address'],
+                data['Mobile_No'],
+                data['PAN_No'],
+                data['Email'],
+                data['Gender'],
+                data['GST_Registration_Type'],
+                data['GST_No'],
+                data['Contractor_password']
+            ))
+            connection.commit()
+            # Active log
+            LogHelper.log_action("Edit Subcontractor", f"Edited subcontractor '{id}'")
+        except Error as e:
+            print(f"Error updating subcontractor: {e}")
+            return str(e)
+        finally:
+            cursor.close()
+            connection.close()
+        return None
+
+    @staticmethod
+    def delete_subcontractor(id):
+        connection = Subcontractor.get_connection()
+        if not connection:
+            return "Database connection failed", 0
+        affected_rows = 0
+        try:
+            cursor = connection.cursor()
+            cursor.callproc('DeleteSubcontractor', (id,))
+            connection.commit()
+            for result in cursor.stored_results():
+                row = result.fetchone()
+                affected_rows = row[0] if row else 0
+            # Active log
+            LogHelper.log_action("Delete Subcontractor", f"Deleted subcontractor '{id}'")
+        except Error as e:
+            print(f"Error deleting subcontractor: {e}")
+            return str(e), 0
+        finally:
+            cursor.close()
+            connection.close()
+        return None, affected_rows

model/Utilities.py

@@ -0,0 +1,64 @@
+from flask import flash, jsonify, json
+from enum import Enum
+
+class ItemCRUDType(Enum):
+    Village = 1
+    Block = 2
+    District = 3
+    State = 4
+    HoldType = 5
+
+class RegEx:
+    patternAlphabetOnly = "^[A-Za-z ]+$"
+
+
+class ResponseHandler:
+    @staticmethod
+    def invalid_name(entity):
+        return {'status': 'error', 'message': f'Invalid {entity} name. Only letters are allowed!'}
+
+    @staticmethod
+    def already_exists(entity):
+        return {'status': 'exists', 'message': f'{entity.capitalize()} already exists!'}
+
+    @staticmethod
+    def add_success(entity):
+        return {'status': 'success', 'message': f'{entity.capitalize()} added successfully!'}
+
+    @staticmethod
+    def add_failure(entity):
+        return {'status': 'error', 'message': f'Failed to add {entity}.'}
+
+    @staticmethod
+    def is_available(entity):
+        return {'status': 'available', 'message': f'{entity.capitalize()} name is available!'}
+
+    @staticmethod
+    def delete_success(entity):
+        return {'status': 'success', 'message': f'{entity.capitalize()} deleted successfully!'}
+
+    @staticmethod
+    def delete_failure(entity):
+        return {'status': 'error', 'message': f'Failed to delete {entity}.'}
+
+    @staticmethod
+    def update_success(entity):
+        return {'status': 'success', 'message': f'{entity.capitalize()} updated successfully!'}
+
+    @staticmethod
+    def update_failure(entity):
+        return {'status': 'error', 'message': f'Failed to update {entity}.'}
+
+    @staticmethod
+    def fetch_failure(entity):
+        return {'status': 'error', 'message': f'Failed to fetch {entity}.'}
+
+
+class HtmlHelper:
+    # Helper: JSON Response Formatter
+    
+    @staticmethod
+    def json_response(message_obj, status_code):
+        return jsonify(message_obj), status_code
+    #May need to refactor further
+

model/Village.py

@@ -0,0 +1,173 @@
+#         return blocks
+from model.Utilities import ResponseHandler, HtmlHelper, ItemCRUDType
+import config
+import mysql.connector
+from model.ItemCRUD import ItemCRUD
+
+
+class Village:
+    isSuccess = False
+    resultMessage = ""
+
+    def __init__(self):
+        self.isSuccess = False
+        self.resultMessage = ""
+        self.village = ItemCRUD(itemType=ItemCRUDType.Village)
+
+    # 🔹 Helper: sync status
+    def _set_status(self, village):
+        self.isSuccess = village.isSuccess
+        self.resultMessage = village.resultMessage
+
+    # 🔹 Helper: get request data
+    def _get_form_data(self, request):
+        block_id = request.form.get('block_Id')
+        village_name = request.form.get('Village_Name', '').strip()
+        return block_id, village_name
+
+    def AddVillage(self, request):
+        block_id, village_name = self._get_form_data(request)
+
+        if not village_name:
+            self.isSuccess = False
+            self.resultMessage = "Village name cannot be empty"
+            return
+
+        try:
+            self.village.AddItem(
+                request=request,
+                parentid=block_id,
+                childname=village_name,
+                storedprocfetch="GetVillageByNameAndBlock",
+                storedprocadd="SaveVillage"
+            )
+            self._set_status(self.village)
+
+        except Exception as e:
+            self.isSuccess = False
+            self.resultMessage = str(e)
+
+    def GetAllVillages(self, request):
+
+        try:
+            villagesdata = self.village.GetAllData(
+                request=request,
+                storedproc="GetAllVillages"
+            )
+            self._set_status(self.village)
+            return villagesdata
+
+        except Exception as e:
+            self.isSuccess = False
+            self.resultMessage = str(e)
+            return []
+
+    def CheckVillage(self, request):
+        block_id, village_name = self._get_form_data(request)
+
+        if not village_name:
+            self.isSuccess = False
+            self.resultMessage = "Village name cannot be empty"
+            return None
+
+        try:
+            result = self.village.CheckItem(
+                request=request,
+                parentid=block_id,
+                childname=village_name,
+                storedprocfetch="GetVillageByNameAndBlocks"
+            )
+            self._set_status(self.village)
+            return result
+
+        except Exception as e:
+            self.isSuccess = False
+            self.resultMessage = str(e)
+            return None
+
+    def DeleteVillage(self, request, village_id):
+
+        try:
+            self.village.DeleteItem(
+                request=request,
+                itemID=village_id,
+                storedprocDelete="DeleteVillage"
+            )
+            self._set_status(self.village)
+
+        except Exception as e:
+            self.isSuccess = False
+            self.resultMessage = str(e)
+
+    def EditVillage(self, request, village_id):
+        block_id, village_name = self._get_form_data(request)
+
+        if not village_name:
+            self.isSuccess = False
+            self.resultMessage = "Village name cannot be empty"
+            return
+
+        try:
+            self.village.EditItem(
+                request=request,
+                childid=village_id,
+                parentid=block_id,
+                childname=village_name,
+                storedprocupdate="UpdateVillage"
+            )
+            self._set_status(self.village)
+
+        except Exception as e:
+            self.isSuccess = False
+            self.resultMessage = str(e)
+
+    def GetVillageByID(self, id):
+
+        try:
+            villagedetailsdata = self.village.GetDataByID(
+                id=id,
+                storedproc="GetVillageDetailsById"
+            )
+
+            if villagedetailsdata:
+                self.isSuccess = True
+            else:
+                self.isSuccess = False
+                self.resultMessage = "Village not found"
+
+            return villagedetailsdata
+
+        except Exception as e:
+            self.isSuccess = False
+            self.resultMessage = str(e)
+            return None
+
+    def GetAllBlocks(self):
+        blocks = []
+        self.isSuccess = False
+        self.resultMessage = ""
+
+        connection = config.get_db_connection()
+        if not connection:
+            return []
+
+        try:
+            with connection.cursor() as cursor:
+                cursor.callproc('GetAllBlocks')
+
+                for result in cursor.stored_results():
+                    blocks.extend(result.fetchall())
+
+            self.isSuccess = True
+            return blocks
+
+        except mysql.connector.Error as e:
+            print(f"Error fetching blocks: {e}")
+            self.isSuccess = False
+            self.resultMessage = HtmlHelper.json_response(
+                ResponseHandler.fetch_failure("block"), 500
+            )
+            return []
+
+        finally:
+            connection.close()

model/gst_release.py

@@ -0,0 +1,150 @@
+import config
+import mysql.connector
+
+class GSTReleasemodel:
+
+    @staticmethod
+    def get_connection():
+        connection = config.get_db_connection()
+        if not connection:
+            return None
+        return connection
+
+    @staticmethod
+    def fetch_all_gst_releases():
+        connection = GSTReleasemodel.get_connection()
+        gst_releases = []
+        if connection:
+            cursor = connection.cursor(dictionary=True)
+
+            try:
+                cursor.callproc('GetAllGSTReleases')
+
+                gst_releases = []
+                for result in cursor.stored_results():                              # change to procedure
+                    gst_releases = result.fetchall()
+
+            except mysql.connector.Error as e:
+                print(f"Error fetching GST releases: {e}")
+            finally:
+                cursor.close()
+                connection.close()
+        return gst_releases
+
+    @staticmethod
+    def insert_gst_release(pmc_no, invoice_no, basic_amount, final_amount, total_amount, utr, contractor_id):
+        connection = GSTReleasemodel.get_connection()
+        if not connection:
+            return False
+        try:
+            cursor = connection.cursor()
+
+            # Insert into gst_release
+            cursor.callproc(
+                'InsertGSTReleaseOnly',
+                [pmc_no, invoice_no, basic_amount, final_amount, total_amount, utr, contractor_id]
+            )
+
+            # Insert into inpayment
+            cursor.callproc(
+                'InsertInpaymentOnly',
+                [pmc_no, invoice_no, basic_amount, final_amount, total_amount, utr, contractor_id]
+            )
+
+            connection.commit()
+            return True
+        except mysql.connector.Error as e:
+            print(f"Error inserting GST release: {e}")
+            return False
+        finally:
+            cursor.close()
+            connection.close()
+
+    @staticmethod
+    def fetch_gst_release_by_id(gst_release_id):
+        connection = GSTReleasemodel.get_connection()
+        if not connection:
+            return None
+        data = {}
+        try:
+            cursor = connection.cursor(dictionary=True)
+
+            cursor.callproc('GetGSTReleaseById', [gst_release_id])
+
+            for result in cursor.stored_results():
+                    data = result.fetchone()
+            if data:
+                # Convert to array for template
+                data = [
+                    data.get('GST_Release_Id'),
+                    data.get('PMC_No'),
+                    data.get('Invoice_No'),
+                    data.get('Basic_Amount'),
+                    data.get('Final_Amount'),
+                    data.get('Total_Amount'),
+                    data.get('UTR')
+                ]
+        except mysql.connector.Error as e:
+            print(f"Error fetching GST release by id: {e}")
+        finally:
+            cursor.close()
+            connection.close()
+        return data
+
+    @staticmethod
+    def update_gst_release(gst_release_id, pmc_no, invoice_no, basic_amount, final_amount, total_amount, utr):
+        connection = GSTReleasemodel.get_connection()
+        if not connection:
+            return False
+        try:
+            cursor = connection.cursor()
+            # Update gst_release
+            cursor.callproc(
+                'UpdateGSTRelease',
+                [pmc_no, invoice_no, basic_amount, final_amount, total_amount, utr, gst_release_id]
+            )
+            # Update inpayment
+            cursor.callproc(
+                'UpdateInpaymentByUTR',
+                [basic_amount, final_amount, total_amount, utr]
+            )
+            connection.commit()
+            return True
+        except mysql.connector.Error as e:
+            print(f"Error updating GST release: {e}")
+            return False
+        finally:
+            cursor.close()
+            connection.close()
+
+    @staticmethod
+    def delete_gst_release(gst_release_id):
+        connection = GSTReleasemodel.get_connection()
+        if not connection:
+            return False, None
+        try:
+            cursor = connection.cursor(dictionary=True)
+            cursor.callproc('GetGSTReleaseUTRById', [gst_release_id])
+            record = None
+            for result in cursor.stored_results():
+                record = result.fetchone()
+
+            if not record:
+                return False, None
+
+            utr = record['UTR']
+
+            # Step 1: Delete gst_release
+            cursor.callproc('DeleteGSTReleaseById', [gst_release_id])
+
+            # Step 2: Reset inpayment using UTR
+            cursor.callproc('ResetInpaymentByUTR', [utr])
+            
+            connection.commit()
+            return True, utr
+        except mysql.connector.Error as e:
+            print(f"Error deleting GST release: {e}")
+            return False, None
+        finally:
+            cursor.close()
+            connection.close()

model/payment.py

@@ -0,0 +1,158 @@
+import config
+import mysql.connector
+
+class Paymentmodel:
+
+    @staticmethod
+    def get_connection():
+        connection = config.get_db_connection()
+        if not connection:
+            return None
+        return connection
+
+    @staticmethod
+    def fetch_all_payments():
+        connection = Paymentmodel.get_connection()
+        payments = []
+        if connection:
+            cursor = connection.cursor(dictionary=True)
+            try:
+                cursor.callproc('GetAllPayments')
+                for result in cursor.stored_results():
+                    payments = result.fetchall()
+            except mysql.connector.Error as e:
+                print(f"Error fetching payment history: {e}")
+            finally:
+                cursor.close()
+                connection.close()
+        return payments
+
+    @staticmethod
+    def insert_payment(pmc_no, invoice_no, amount, tds_amount, total_amount, utr):
+        connection = Paymentmodel.get_connection()
+        if not connection:
+            return False
+        try:
+            cursor = connection.cursor()
+            cursor.callproc('InsertPayments', [pmc_no, invoice_no, amount, tds_amount, total_amount, utr])
+            connection.commit()
+            return True
+        except mysql.connector.Error as e:
+            print(f"Error inserting payment: {e}")
+            return False
+        finally:
+            cursor.close()
+            connection.close()
+
+    @staticmethod
+    def update_inpayment(subcontractor_id, pmc_no, invoice_no, amount, tds_amount, total_amount, utr):
+        connection = Paymentmodel.get_connection()
+        if not connection:
+            return False
+        try:
+            cursor = connection.cursor()
+            cursor.callproc('UpdateInpaymentRecord', [
+                    subcontractor_id,
+                    pmc_no,
+                    invoice_no,
+                    amount,
+                    tds_amount,
+                    total_amount,
+                    utr
+                ])
+            connection.commit()
+            return True
+        except mysql.connector.Error as e:
+            print(f"Error updating inpayment: {e}")
+            return False
+        finally:
+            cursor.close()
+            connection.close()
+
+    @staticmethod
+    def fetch_payment_by_id(payment_id):
+        connection = Paymentmodel.get_connection()
+        if not connection:
+            return None
+        payment_data = {}
+        try:
+            cursor = connection.cursor(dictionary=True)
+            cursor.callproc("GetPaymentById", (payment_id,))
+            for result in cursor.stored_results():
+                payment_data = result.fetchone()
+            # Convert to array for template
+            if payment_data:
+                payment_data = [
+                    payment_data.get('Payment_Id'),
+                    payment_data.get('PMC_No'),
+                    payment_data.get('Invoice_No'),
+                    payment_data.get('Payment_Amount'),
+                    payment_data.get('TDS_Payment_Amount'),
+                    payment_data.get('Total_Amount'),
+                    payment_data.get('UTR')
+                ]
+        except mysql.connector.Error as e:
+            print(f"Error fetching payment data: {e}")
+        finally:
+            cursor.close()
+            connection.close()
+        return payment_data
+
+    @staticmethod
+    def call_update_payment_proc(payment_id, pmc_no, invoice_no, amount, tds_amount, total_amount, utr):
+        connection = Paymentmodel.get_connection()
+        if not connection:
+            return False
+        try:
+            cursor = connection.cursor()
+            cursor.callproc("UpdatePayment", (payment_id, pmc_no, invoice_no, amount, tds_amount, total_amount, utr))
+            connection.commit()
+            return True
+        except mysql.connector.Error as e:
+            print(f"Error updating payment: {e}")
+            return False
+        finally:
+            cursor.close()
+            connection.close()
+
+    @staticmethod
+    def delete_payment(payment_id):
+        """
+        Deletes a payment and resets the related inpayment fields in one go.
+        Returns (success, pmc_no, invoice_no)
+        """
+        connection = Paymentmodel.get_connection()
+        if not connection:
+            return False, None, None
+
+        try:
+            cursor = connection.cursor(dictionary=True)
+
+            cursor.callproc('GetPaymentPMCInvoiceById', [payment_id])
+
+            record = {}
+            for result in cursor.stored_results():
+                record = result.fetchone() or {}
+            if not record:
+                return False, None, None
+
+            pmc_no = record['PMC_No']
+            invoice_no = record['Invoice_No']
+
+            # Step 2: Delete the payment using the stored procedure
+            cursor.callproc("DeletePayment", (payment_id,))
+            connection.commit()
+
+            # Step 3: Reset inpayment fields using the stored procedure
+            cursor.callproc("ResetInpayment", [pmc_no, invoice_no])
+            connection.commit()
+
+            return True, pmc_no, invoice_no
+
+        except mysql.connector.Error as e:
+            print(f"Error deleting payment: {e}")
+            return False, None, None
+
+        finally:
+            cursor.close()
+            connection.close()