Files
Client-Billing-software/app/Controllers/reports.py
Pooja Fulari ddf38f6bc3 updated code
2026-04-27 10:18:10 +05:30

268 lines
7.7 KiB
Python

from flask import Blueprint, request, send_from_directory, redirect, url_for, current_app, flash
from openpyxl import Workbook
from openpyxl.styles import Font, Alignment, PatternFill, Border, Side
import os
import re
from datetime import datetime
from app.models import Task
reports = Blueprint('reports', __name__)
def clean_text(text):
if not isinstance(text, str):
return ""
return text.strip().replace(",", "").replace("(", "").replace(")", "") \
.replace(".", "").replace("&", "").replace("\n", "").lower()
def safe_float(value):
try:
return round(float(value), 2)
except (ValueError, TypeError):
return 0.0
@reports.route('/report_excel', methods=['GET'])
def generate_report():
main_task_rexp = r'[\\/*?:"<>|]'
block = request.args.get('block', '')
main_task = request.args.get('main_task', '')
block_clean = clean_text(block)
main_task_clean = clean_text(main_task)
if not block_clean:
return "Please select a Block.", 400
if not main_task_clean:
return "Please select a Main Task.", 400
# ---------------- FETCH DATA ----------------
all_tasks = Task.query.filter(Task.block_name == block).all()
# MAIN TASK
# main_task_record = next(
# (task for task in all_tasks
# if clean_text(task.task_name) == main_task_clean),
# None
# )
main_task_records = [
task for task in all_tasks
# if clean_text(task.task_name) == main_task_clean
if main_task_clean in clean_text(task.task_name)
]
# SUBTASKS (ONLY TRUE CHILDREN)
subtasks_query = [
task for task in all_tasks
if task.parent_task_name
and main_task_clean in clean_text(task.parent_task_name)
# and clean_text(task.parent_task_name) == main_task_clean
]
# ---------------- VALIDATION ----------------
if not subtasks_query and not main_task_records:
flash("No Task Data Found", "error")
return redirect(url_for('main.generate_report_page'))
# ---------------- BUILD REPORT ----------------
report_data = []
# CASE 1: SUBTASKS EXIST
if subtasks_query:
for task in subtasks_query:
boq_amount = safe_float(task.boq_amount)
previous_billing_amount = safe_float(task.previous_billing_amount)
remaining_amount = boq_amount - previous_billing_amount
tender_amount = safe_float(task.qty) * safe_float(task.rate)
report_data.append([
task.id,
(task.village_name or "").strip(),
(task.task_name or "").strip(),
(task.unit or "").strip(),
safe_float(task.qty),
safe_float(task.rate),
tender_amount,
safe_float(task.previous_billed_qty),
previous_billing_amount,
remaining_amount
])
# CASE 2: ONLY MAIN TASK EXISTS
# elif main_task_record:
# task = main_task_record
# boq_amount = safe_float(task.boq_amount)
# previous_billing_amount = safe_float(task.previous_billing_amount)
# remaining_amount = boq_amount - previous_billing_amount
# tender_amount = safe_float(task.qty) * safe_float(task.rate)
# report_data.append([
# task.id,
# (task.village_name or "").strip(),
# (task.task_name or "").strip(),
# safe_float(task.qty),
# safe_float(task.rate),
# tender_amount,
# safe_float(task.previous_billed_qty),
# previous_billing_amount,
# remaining_amount
# ])
elif main_task_records:
for task in main_task_records:
boq_amount = safe_float(task.boq_amount)
previous_billing_amount = safe_float(task.previous_billing_amount)
remaining_amount = boq_amount - previous_billing_amount
tender_amount = safe_float(task.qty) * safe_float(task.rate)
report_data.append([
task.id,
(task.village_name or "").strip(),
(task.task_name or "").strip(),
(task.unit or "").strip(),
safe_float(task.qty),
safe_float(task.rate),
tender_amount,
safe_float(task.previous_billed_qty),
previous_billing_amount,
remaining_amount
])
# ---------------- FILE NAME ----------------
sanitized_main_task = re.sub(main_task_rexp, "", main_task)
if len(sanitized_main_task) > 30:
sanitized_main_task = sanitized_main_task[:30]
timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
file_name = f"{sanitized_main_task}_{timestamp}.xlsx"
file_path = os.path.join(current_app.config['UPLOAD_FOLDER'], file_name)
# ---------------- EXCEL ----------------
wb = Workbook()
ws = wb.active
ws.title = "Report"
thin_border = Border(
left=Side(style="thin"),
right=Side(style="thin"),
top=Side(style="thin"),
bottom=Side(style="thin")
)
header_fill = PatternFill(start_color="FFC000", end_color="FFC000", fill_type="solid")
# ---------------------------------------------------
# REPORT TITLE
# ---------------------------------------------------
ws.merge_cells("A1:J1")
title_cell = ws["A1"]
title_cell.value = "MAIN TASK REPORT"
title_cell.font = Font(bold=True, size=14)
title_cell.alignment = Alignment(horizontal="center")
title_cell.fill = header_fill
title_cell.border = thin_border
# ---------------------------------------------------
# DETAIL ROWS
# ---------------------------------------------------
ws["A2"] = "District"
ws["B2"] = request.args.get("district", "")
ws["A3"] = "Block"
ws["B3"] = block
ws["A4"] = "Main Task"
ws["B4"] = main_task
# Style details rows
for r in range(2,5):
ws[f"A{r}"].font = Font(bold=True)
ws[f"A{r}"].fill = header_fill
ws[f"A{r}"].border = thin_border
ws[f"B{r}"].border = thin_border
# ---------------------------------------------------
# TABLE HEADER STARTS ROW 6
# ---------------------------------------------------
start_row = 6
headers = [
"Task ID",
"Village",
"Task Name",
"Unit",
"Tender Qty",
"Tender Rate",
"Tender Amount",
"Previous Bill Qty",
"Previous Bill Amount",
"Remaining Amount"
]
for col_num, value in enumerate(headers,1):
cell = ws.cell(row=start_row, column=col_num)
cell.value = value
cell.font = Font(bold=True)
cell.alignment = Alignment(horizontal="center")
cell.fill = header_fill
cell.border = thin_border
# ---------------------------------------------------
# DATA ROWS START AFTER HEADER
# ---------------------------------------------------
data_row = start_row + 1
for row_data in report_data:
for col_num, value in enumerate(row_data,1):
cell = ws.cell(
row=data_row,
column=col_num,
value=value
)
cell.border = thin_border
data_row += 1
# Freeze header while scrolling
ws.freeze_panes = "A7"
# Column Width
for i in range(1, len(headers)+1):
ws.column_dimensions[
ws.cell(row=start_row,column=i).column_letter
].width = 20
wb.save(file_path)
return redirect(url_for('reports.download_report', filename=file_name))
@reports.route('/download/<filename>')
def download_report(filename):
return send_from_directory(
current_app.config['UPLOAD_FOLDER'],
filename,
as_attachment=True
)