555 lines
20 KiB
Python
555 lines
20 KiB
Python
import os
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import pandas as pd
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from werkzeug.utils import secure_filename
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from app.config import Config
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from app import db
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from app.models.trench_excavation_model import TrenchExcavation
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from app.models.manhole_excavation_model import ManholeExcavation
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from app.models.manhole_domestic_chamber_model import ManholeDomesticChamber
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from app.models.tr_ex_client_model import TrenchExcavationClient
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from app.models.mh_ex_client_model import ManholeExcavationClient
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from app.models.mh_dc_client_model import ManholeDomesticChamberClient
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from app.utils.file_utils import ensure_upload_folder
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class FileService:
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def allowed_file(self, filename):
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return "." in filename and filename.rsplit(".", 1)[1].lower() in Config.ALLOWED_EXTENSIONS
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# def handle_file_upload(self, file, subcontractor_id, file_type):
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def handle_file_upload(self, file, subcontractor_id, RA_Bill_No):
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if not subcontractor_id:
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return False, "Please select subcontractor."
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if not RA_Bill_No:
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return False, "Please Enter RA Bill No)."
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if not file or file.filename == "":
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return False, "No file selected."
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if not self.allowed_file(file.filename):
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return False, "Invalid file type! Allowed: CSV, XLSX, XLS"
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ensure_upload_folder()
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folder = os.path.join(Config.UPLOAD_FOLDER, f"sub_{subcontractor_id}")
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os.makedirs(folder, exist_ok=True)
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filename = secure_filename(file.filename)
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filepath = os.path.join(folder, filename)
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file.save(filepath)
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try:
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df_tr_ex = pd.read_excel(filepath, sheet_name ="Tr.Ex.", header=12)
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df_mh_ex = pd.read_excel(filepath, sheet_name="MH Ex.", header=12)
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df_mh_dc = pd.read_excel(filepath, sheet_name="MH & DC", header=11)
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self.process_trench_excavation(df_tr_ex, subcontractor_id, RA_Bill_No)
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self.process_manhole_excavation(df_mh_ex, subcontractor_id, RA_Bill_No)
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self.process_manhole_domestic_chamber(df_mh_dc, subcontractor_id, RA_Bill_No)
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return True, "File uploaded successfully."
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except Exception as e:
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return False, f"Processing failed: {e}"
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# Trench Excavation save method (TrenchExcavation model)
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def process_trench_excavation(self, df, subcontractor_id,RA_Bill_No):
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print("trench_excavation RA_Bill_No :",RA_Bill_No)
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print("=== trench_excavation ===")
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print(df.columns.tolist())
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print("===================")
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# Clean column names
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df.columns = (
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df.columns.astype(str)
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.str.strip()
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.str.replace(r"[^\w]", "_", regex=True)
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.str.replace("__+", "_", regex=True)
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.str.strip("_")
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)
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# Remove completely empty rows
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df = df.dropna(how="all")
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# Forward fill merged Location
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if "Location" in df.columns:
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df["Location"] = df["Location"].ffill()
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saved_count = 0
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skipped_count = 0
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try:
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for index, row in df.iterrows():
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record_data = {}
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location = row.get("Location")
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mh_no = row.get("MH_NO")
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if (pd.isna(location) or str(location).strip() == "" or pd.isna(mh_no) or str(mh_no).strip() == ""):
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skipped_count += 1
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continue
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# Map only model columns
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for col in df.columns:
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if hasattr(TrenchExcavation, col):
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value = row[col]
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# Normalize empty values
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if pd.isna(value) or str(value).strip() in ["", "-", "—", "nan"]:
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value = None
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record_data[col] = value
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# If all mapped fields are None → skip
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if all(v is None for v in record_data.values()):
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skipped_count += 1
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continue
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record = TrenchExcavation(
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subcontractor_id=subcontractor_id, RA_Bill_No=RA_Bill_No,
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**record_data
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)
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print("trench_excavation Saving Row → Location:", record.Location, " MH_NO:", record.MH_NO)
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db.session.add(record)
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saved_count += 1
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db.session.commit()
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return True, (
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f"Trench Excavation saved successfully. "
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f"Inserted: {saved_count}, Skipped: {skipped_count}"
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)
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except Exception as e:
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db.session.rollback()
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return False, f"Trench Excavation save failed: {e}"
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# Manhole Excavation save method (ManholeExcavation model)
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def process_manhole_excavation(self, df, subcontractor_id, RA_Bill_No):
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print("manhole_excavation RA_Bill_No:",RA_Bill_No)
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print("=== manhole_excavation ===")
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print(df.columns.tolist())
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print("===================")
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# Clean column names
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df.columns = (
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df.columns.astype(str)
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.str.strip()
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.str.replace(r"[^\w]", "_", regex=True)
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.str.replace("__+", "_", regex=True)
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.str.strip("_")
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)
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# Remove completely empty rows
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df = df.dropna(how="all")
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# Forward fill merged Location
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if "Location" in df.columns:
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df["Location"] = df["Location"].ffill()
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saved_count = 0
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skipped_count = 0
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try:
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for index, row in df.iterrows():
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record_data = {}
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location = row.get("Location")
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mh_no = row.get("MH_NO")
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if (pd.isna(location) or str(location).strip() == "" or pd.isna(mh_no) or str(mh_no).strip() == ""):
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skipped_count += 1
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continue
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# Map only model columns
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for col in df.columns:
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if hasattr(ManholeExcavation, col):
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value = row[col]
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# Normalize empty values
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if pd.isna(value) or str(value).strip() in ["", "-", "—", "nan"]:
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value = None
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record_data[col] = value
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# If all mapped fields are None → skip
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if all(v is None for v in record_data.values()):
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skipped_count += 1
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continue
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record = ManholeExcavation(
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subcontractor_id=subcontractor_id, RA_Bill_No=RA_Bill_No,
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**record_data
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)
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print("manhole_excavation Saving Row → Location:", record.Location, " MH_NO:", record.MH_NO)
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db.session.add(record)
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saved_count += 1
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db.session.commit()
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return True, (
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f"Manhole Excavation saved successfully. "
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f"Inserted: {saved_count}, Skipped: {skipped_count}"
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)
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except Exception as e:
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db.session.rollback()
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return False, f"Manhole Excavation save failed: {e}"
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# Manhole and Domestic Chamber Construction save method (ManholeDomesticChamber model)
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def process_manhole_domestic_chamber(self, df, subcontractor_id, RA_Bill_No):
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print("manhole_domestic_chamber RA_Bill_No :",RA_Bill_No)
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print("=== manhole_domestic_chamber ===")
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print(df.columns.tolist())
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print("===================")
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# Clean column names
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df.columns = (
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df.columns.astype(str)
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.str.strip()
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.str.replace(r"[^\w]", "_", regex=True)
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.str.replace("__+", "_", regex=True)
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.str.strip("_")
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)
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# Remove completely empty rows
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df = df.dropna(how="all")
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# Forward fill merged Location
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if "Location" in df.columns:
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df["Location"] = df["Location"].ffill()
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saved_count = 0
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skipped_count = 0
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try:
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for index, row in df.iterrows():
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record_data = {}
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location = row.get("Location")
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Node_No = row.get("Node_No")
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if (pd.isna(location) or str(location).strip() == "" or pd.isna(Node_No) or str(Node_No).strip() == ""):
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skipped_count += 1
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continue
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# Map only model columns
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for col in df.columns:
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if hasattr(ManholeDomesticChamber, col):
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value = row[col]
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# Normalize empty values
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if pd.isna(value) or str(value).strip() in ["", "-", "—", "nan"]:
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value = None
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record_data[col] = value
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# If all mapped fields are None → skip
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if all(v is None for v in record_data.values()):
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skipped_count += 1
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continue
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record = ManholeDomesticChamber(
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subcontractor_id=subcontractor_id, RA_Bill_No=RA_Bill_No,
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**record_data
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)
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print("manhole_domestic_chamber Saving Row → Location:", record.Location, " Node_No:", record.Node_No)
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db.session.add(record)
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saved_count += 1
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db.session.commit()
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return True, (
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f"Manhole Domestic Chamber saved successfully. "
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f"Inserted: {saved_count}, Skipped: {skipped_count}"
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)
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except Exception as e:
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db.session.rollback()
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return False, f"Manhole Domestic Chamber save failed: {e}"
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# ---------------------- client ----------------------------------
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# def handle_client_file_upload(self, file, RA_Bill_No):
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# if not RA_Bill_No:
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# return False, "Please Enter RA Bill No ."
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# if not file or file.filename == "":
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# return False, "No file selected."
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# if not self.allowed_file(file.filename):
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# return False, "Invalid file type! Allowed: CSV, XLSX, XLS"
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# ensure_upload_folder()
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# folder = os.path.join(Config.UPLOAD_FOLDER, f"Client_Bill_{RA_Bill_No}")
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# os.makedirs(folder, exist_ok=True)
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# filename = secure_filename(file.filename)
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# filepath = os.path.join(folder, filename)
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# file.save(filepath)
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# try:
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# df_tr_ex = pd.read_excel(filepath, sheet_name ="Tr.Ex.", header=12)
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# df_mh_ex = pd.read_excel(filepath, sheet_name="MH Ex.", header=12)
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# df_mh_dc = pd.read_excel(filepath, sheet_name="MH & DC", header=11)
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# print("\n=== Uploaded File tr ex ===")
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# print(df_tr_ex.head())
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# print("=============================\n")
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# print("\n=== Uploaded File mh ex ===")
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# print(df_mh_ex.head())
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# print("========================================\n")
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# print("\n=== Uploaded File MH DC ===")
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# print(df_mh_dc.head())
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# print("========================================\n")
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# self.client_trench_excavation(df_tr_ex, RA_Bill_No)
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# self.client_manhole_excavation(df_mh_ex, RA_Bill_No)
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# self.client_manhole_domestic_chamber(df_mh_dc, RA_Bill_No)
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# return True, "File uploaded successfully."
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# except Exception as e:
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# return False, f"Processing failed: {e}"
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# # Tr Ex save method (TrenchExcavationClient model)
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# def client_trench_excavation(self, df, RA_Bill_No):
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# df.columns = [str(c).strip() for c in df.columns]
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# # If the sheet has merged cells -> forward fill Location
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# if "Location" in df.columns:
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# df["Location"] = df["Location"].ffill()
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# df = df.dropna(how="all") # REMOVE empty rows
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# # Identify missing location rows before insert
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# missing_loc = df[df["Location"].isna() | (df["Location"].astype(str).str.strip() == "")]
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# if not missing_loc.empty:
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# return False, f"Error: Some rows have empty Location. Rows: {missing_loc.index.tolist()}"
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# saved_count = 0
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# try:
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# for index, row in df.iterrows():
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# record_data = {}
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# # Insert only fields that exist in model
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# for col in df.columns:
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# if hasattr(TrenchExcavationClient, col):
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# value = row[col]
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# # Normalize empty values
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# if pd.isna(value) or str(value).strip() in ["", "-", "—", "nan", "NaN"]:
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# value = None
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# record_data[col] = value
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# record = TrenchExcavationClient(
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# RA_Bill_No=RA_Bill_No,
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# **record_data
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# )
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# db.session.add(record)
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# saved_count += 1
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# db.session.commit()
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# return True, f"Clinnt Tr Ex data saved successfully. Total rows: {saved_count}"
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# except Exception as e:
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# db.session.rollback()
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# return False, f"Clinnt Tr Ex Save Failed: {e}"
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# # Mh Ex save method (ManholeExcavationClient model)
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# def client_manhole_excavation(self, df, RA_Bill_No):
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# # Clean column names (strip whitespace)
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# df.columns = [str(c).strip() for c in df.columns]
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# # If the sheet has merged cells -> forward fill Location
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# if "Location" in df.columns:
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# df["Location"] = df["Location"].ffill()
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# # REMOVE empty rows
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# df = df.dropna(how="all")
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# # Identify missing location rows before insert
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# missing_loc = df[df["Location"].isna() | (df["Location"].astype(str).str.strip() == "")]
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# if not missing_loc.empty:
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# return False, f"Error: Some rows have empty Location. Rows: {missing_loc.index.tolist()}"
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# saved_count = 0
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# try:
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# for index, row in df.iterrows():
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# record_data = {}
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# # Insert only fields that exist in model
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# for col in df.columns:
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# if hasattr(ManholeExcavationClient, col):
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# value = row[col]
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# # Normalize empty values
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# if pd.isna(value) or str(value).strip() in ["", "-", "—", "nan", "NaN"]:
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# value = None
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# record_data[col] = value
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# record = ManholeExcavationClient(
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# RA_Bill_No=RA_Bill_No,
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# **record_data
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# )
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# db.session.add(record)
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# saved_count += 1
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# db.session.commit()
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# return True, f" Client Mh Ex. data saved successfully. Total rows: {saved_count}"
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# except Exception as e:
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# db.session.rollback()
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# return False, f"Client Mh Ex. Save Failed: {e}"
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# # Mh and Dc save method (ManholeDomesticChamberClient model)
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# def client_manhole_domestic_chamber(self, df, RA_Bill_No):
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# Clean column names (strip whitespace)
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# df.columns = [str(c).strip() for c in df.columns]
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# # If the sheet has merged cells -> forward fill Location
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# if "Location" in df.columns:
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# df["Location"] = df["Location"].ffill()
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# # REMOVE empty rows
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# df = df.dropna(how="all")
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# # Identify missing location rows before insert
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# missing_loc = df[df["Location"].isna() | (df["Location"].astype(str).str.strip() == "")]
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# if not missing_loc.empty:
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# return False, f"Error: Some rows have empty Location. Rows: {missing_loc.index.tolist()}"
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# saved_count = 0
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# try:
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# for index, row in df.iterrows():
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# record_data = {}
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# # Insert only fields that exist in model
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# for col in df.columns:
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# if hasattr(ManholeDomesticChamberClient, col):
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# value = row[col]
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# # Normalize empty values
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# if pd.isna(value) or str(value).strip() in ["", "-", "—", "nan", "NaN"]:
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# value = None
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# record_data[col] = value
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# record = ManholeDomesticChamberClient(
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# RA_Bill_No=RA_Bill_No,
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# **record_data
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# )
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# db.session.add(record)
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# saved_count += 1
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# db.session.commit()
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# return True, f"Mh and Dc data saved successfully. Total rows: {saved_count}"
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# except Exception as e:
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# db.session.rollback()
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# return False, f"Mh and Dc data Save Failed: {e}"
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def handle_client_file_upload(self, file, RA_Bill_No):
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if not RA_Bill_No:
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return False, "Please Enter RA Bill No."
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if not file or file.filename == "":
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return False, "No file selected."
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if not self.allowed_file(file.filename):
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return False, "Invalid file type! Allowed: CSV, XLSX, XLS"
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ensure_upload_folder()
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folder = os.path.join(Config.UPLOAD_FOLDER, f"Client_Bill_{RA_Bill_No}")
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os.makedirs(folder, exist_ok=True)
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filename = secure_filename(file.filename)
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filepath = os.path.join(folder, filename)
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file.save(filepath)
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try:
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df_tr_ex = pd.read_excel(filepath, sheet_name="Tr.Ex.", header=12)
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df_mh_ex = pd.read_excel(filepath, sheet_name="MH Ex.", header=12)
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df_mh_dc = pd.read_excel(filepath, sheet_name="MH & DC", header=11)
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# Single transaction
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self._save_client_data(df_tr_ex, TrenchExcavationClient, "Trench Excavation", RA_Bill_No)
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self._save_client_data(df_mh_ex, ManholeExcavationClient, "Manhole Excavation", RA_Bill_No)
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self._save_client_data(df_mh_dc, ManholeDomesticChamberClient, "MH & DC", RA_Bill_No)
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db.session.commit()
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return True, "Client file uploaded and all data saved successfully."
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except ClientDataSaveError as e:
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db.session.rollback()
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return False, str(e)
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except Exception as e:
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db.session.rollback()
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|
return False, f"Unexpected system error: {e}"
|
|
|
|
|
|
def _save_client_data(self, df, model, RA_Bill_No):
|
|
|
|
# Clean column names
|
|
df.columns = [str(c).strip() for c in df.columns]
|
|
|
|
# Forward fill Location (merged cells issue)
|
|
if "Location" in df.columns:
|
|
df["Location"] = df["Location"].ffill()
|
|
|
|
# Remove fully empty rows
|
|
df = df.dropna(how="all")
|
|
|
|
# Validate Location
|
|
if "Location" in df.columns:
|
|
missing_loc = df[
|
|
df["Location"].isna() |
|
|
(df["Location"].astype(str).str.strip() == "")
|
|
]
|
|
if not missing_loc.empty:
|
|
raise Exception(
|
|
f"{model.__name__}: Empty Location at rows {missing_loc.index.tolist()}"
|
|
)
|
|
|
|
# Insert rows
|
|
for _, row in df.iterrows():
|
|
record_data = {}
|
|
|
|
for col in df.columns:
|
|
if hasattr(model, col):
|
|
value = row[col]
|
|
|
|
if pd.isna(value) or str(value).strip() in ["", "-", "—", "nan", "NaN"]:
|
|
value = None
|
|
|
|
record_data[col] = value
|
|
|
|
record = model(
|
|
RA_Bill_No=RA_Bill_No,
|
|
**record_data
|
|
)
|
|
|
|
db.session.add(record)
|