Files
Comparison_Project/app/routes/generate_comparison_report.py
2025-12-24 16:37:07 +05:30

202 lines
7.3 KiB
Python

from flask import Blueprint, render_template, request, send_file, flash
import pandas as pd
import io
from app.models.subcontractor_model import Subcontractor
from app.models.trench_excavation_model import TrenchExcavation
from app.models.tr_ex_client_model import TrenchExcavationClient
from app.models.manhole_excavation_model import ManholeExcavation
from app.models.mh_ex_client_model import ManholeExcavationClient
from app.models.manhole_domestic_chamber_model import ManholeDomesticChamber
from app.models.mh_dc_client_model import ManholeDomesticChamberClient
generate_report_bp = Blueprint("generate_report", __name__, url_prefix="/report")
# HELPER FUNCTION
def make_lookup(rows, key_field):
return {
(r.Location, getattr(r, key_field)): r
for r in rows
if r.Location and getattr(r, key_field, None)
}
@generate_report_bp.route("/comparison_report", methods=["GET", "POST"])
def comparison_report():
subcontractors = Subcontractor.query.all()
if request.method == "POST":
subcontractor_id = request.form.get("subcontractor_id")
if not subcontractor_id:
flash("Please select a subcontractor.", "danger")
return render_template("generate_comparison_report.html",subcontractors=subcontractors)
subcontractor = Subcontractor.query.get_or_404(subcontractor_id)
# ================= TRENCH EXCAVATION =================
client_tr_ex = TrenchExcavationClient.query.all()
contractor_tr_ex = TrenchExcavation.query.filter_by(subcontractor_id=subcontractor_id).all()
contractor_lookup = make_lookup(contractor_tr_ex, "MH_NO")
combined_rows_tr_ex = []
for row1 in client_tr_ex:
row2 = contractor_lookup.get((row1.Location, row1.MH_NO))
if not row2:
continue
# -------- CLIENT TOTAL ----------
client_total = sum(v or 0 for k, v in row1.__dict__.items()
if k.endswith("_total"))
# -------- SUB TOTAL ----------
contractor_total = sum(v or 0 for k, v in row2.__dict__.items()
if k.endswith("_total"))
diff = client_total - contractor_total
row_data = {
"Location": row1.Location,
"MH No": row1.MH_NO,
}
# -------- CLIENT COLUMNS ----------
for col, val in row1.__dict__.items():
if col.startswith("_") or col in ["id", "created_at", "subcontractor_id"]:
continue
row_data[f"Client_{col}"] = val
row_data["Client_Total"] = round(client_total, 2)
row_data[" - "] = " "
# -------- SUB COLUMNS ----------
for col, val in row2.__dict__.items():
if col.startswith("_") or col in ["id", "created_at", "subcontractor_id"]:
continue
row_data[f"Sub_{col}"] = val
row_data["Sub_Total"] = round(contractor_total, 2)
row_data["--"] = " "
row_data["Diff"] = round(diff, 2)
combined_rows_tr_ex.append(row_data)
df_tr_ex = pd.DataFrame(combined_rows_tr_ex)
# ================= MANHOLE EXCAVATION =================
client_mh_ex = ManholeExcavationClient.query.all()
contractor_mh_ex = ManholeExcavation.query.filter_by(subcontractor_id=subcontractor_id).all()
contractor_lookup = make_lookup(contractor_mh_ex, "MH_NO")
combined_rows_mh_ex = []
for row1 in client_mh_ex:
row2 = contractor_lookup.get((row1.Location, row1.MH_NO))
if not row2:
continue
client_total = sum(v or 0 for k, v in row1.__dict__.items()
if k.endswith("_total"))
contractor_total = sum(v or 0 for k, v in row2.__dict__.items()
if k.endswith("_total"))
diff = client_total - contractor_total
row_data = {
"Location": row1.Location,
"MH No": row1.MH_NO,
}
for col, val in row1.__dict__.items():
if col.startswith("_") or col in ["id", "created_at", "subcontractor_id"]:
continue
row_data[f"Client_{col}"] = val
row_data["Client_Total"] = round(client_total, 2)
row_data[" - "] = " "
for col, val in row2.__dict__.items():
if col.startswith("_") or col in ["id", "created_at", "subcontractor_id"]:
continue
row_data[f"Sub_{col}"] = val
row_data["Sub_Total"] = round(contractor_total, 2)
row_data["--"] = " "
row_data["Diff"] = round(diff, 2)
combined_rows_mh_ex.append(row_data)
df_mh_ex = pd.DataFrame(combined_rows_mh_ex)
# ============ MANHOLE DOMESTIC CHAMBER =================
client_mh_dc = ManholeDomesticChamberClient.query.all()
contractor_mh_dc = ManholeDomesticChamber.query.filter_by(subcontractor_id=subcontractor_id).all()
contractor_lookup = make_lookup(contractor_mh_dc, "Node_no")
combined_rows_mh_dc = []
for row1 in client_mh_dc:
row2 = contractor_lookup.get((row1.Location, row1.MH_NO))
if not row2:
continue
client_total = sum(v or 0 for k, v in row1.__dict__.items()
if isinstance(v, (int, float)))
contractor_total = sum(v or 0 for k, v in row2.__dict__.items()
if isinstance(v, (int, float)))
diff = client_total - contractor_total
row_data = {
"Location": row1.Location,
"Node No": row1.MH_NO,
}
for col, val in row1.__dict__.items():
if col.startswith("_") or col in ["id", "created_at", "subcontractor_id"]:
continue
row_data[f"Client_{col}"] = val
row_data["Client_Total"] = round(client_total, 2)
row_data[" - "] = " "
for col, val in row2.__dict__.items():
if col.startswith("_") or col in ["id", "created_at", "subcontractor_id"]:
continue
row_data[f"Sub_{col}"] = val
row_data["Sub_Total"] = round(contractor_total, 2)
row_data["--"] = " "
row_data["Diff"] = round(diff, 2)
combined_rows_mh_dc.append(row_data)
df_mh_dc = pd.DataFrame(combined_rows_mh_dc)
# ================== EXCEL EXPORT ======================
output = io.BytesIO()
file_name = f"{subcontractor.subcontractor_name}_Comparison_Report.xlsx"
with pd.ExcelWriter(output, engine="xlsxwriter") as writer:
df_tr_ex.to_excel(writer, index=False, sheet_name="Tr.Ex")
df_mh_ex.to_excel(writer, index=False, sheet_name="Mh.Ex")
df_mh_dc.to_excel(writer, index=False, sheet_name="MH & DC")
output.seek(0)
return send_file(
output,
as_attachment=True,
download_name=file_name,
mimetype="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
)
return render_template("generate_comparison_report.html",subcontractors=subcontractors)