create project and create model and dashboard

app/models/subcontractor_model.py

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+from app import db
+# from app.services.db_service import db
+from datetime import datetime
+
+class Subcontractor(db.Model):
+    __tablename__ = "subcontractors"
+
+    id = db.Column(db.Integer, primary_key=True)
+    subcontractor_name = db.Column(db.String(255), nullable=False)
+    address = db.Column(db.String(500))
+    gst_no = db.Column(db.String(50))
+    pan_no = db.Column(db.String(50))
+    mobile_no = db.Column(db.String(20))
+    email_id = db.Column(db.String(150))
+    contact_person = db.Column(db.String(150))
+    status = db.Column(db.String(20), default="Active")
+    created_at = db.Column(db.DateTime, default=datetime.utcnow)
+
+    def __repr__(self):
+        return f"<Subcontractor {self.subcontractor_name}>"
+

app/models/trench_excavation_model.py

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+from app import db
+from datetime import datetime
+
+class TrenchExcavation(db.Model):
+    __tablename__ = "trench_excavation"
+
+    id = db.Column(db.Integer, primary_key=True)
+    #  Foreign Key to Subcontractor table
+    subcontractor_id = db.Column(db.Integer, db.ForeignKey("subcontractors.id"), nullable=False)
+    # Relationship for easy access (subcontractor.subcontractor_name)
+    subcontractor = db.relationship("Subcontractor", backref="trench_records")
+
+    # Basic Fields
+    Location = db.Column(db.String(255))
+    MH_NO = db.Column(db.String(100))
+    CC_length = db.Column(db.Float)
+    Invert_Level = db.Column(db.Float)
+    MH_Top_Level = db.Column(db.Float)
+    Ground_Level = db.Column(db.Float)
+    ID_of_MH_m = db.Column(db.Float)
+    Actual_Trench_Length = db.Column(db.Float)
+    Pipe_Dia_mm = db.Column(db.Float)
+
+    Width_0_to_2_5 = db.Column(db.Float)
+    Width_2_5_to_3_0 = db.Column(db.Float)
+    Width_3_0_to_4_5 = db.Column(db.Float)
+    Width_4_5_to_6_0 = db.Column(db.Float)
+
+    Upto_IL_Depth = db.Column(db.Float)
+    Cutting_Depth = db.Column(db.Float)
+    Avg_Depth = db.Column(db.Float)
+
+    # Excavation categories
+    Soft_Murum_0_to_1_5 = db.Column(db.Float)
+    Soft_Murum_1_5_to_3_0 = db.Column(db.Float)
+    Soft_Murum_3_0_to_4_5 = db.Column(db.Float)
+
+    Hard_Murum_0_to_1_5 = db.Column(db.Float)
+    Hard_Murum_1_5_to_3_0 = db.Column(db.Float)
+
+    Soft_Rock_0_to_1_5 = db.Column(db.Float)
+    Soft_Rock_1_5_to_3_0 = db.Column(db.Float)
+
+    Hard_Rock_0_to_1_5 = db.Column(db.Float)
+    Hard_Rock_1_5_to_3_0 = db.Column(db.Float)
+    Hard_Rock_3_0_to_4_5 = db.Column(db.Float)
+    Hard_Rock_4_5_to_6_0 = db.Column(db.Float)
+    Hard_Rock_6_0_to_7_5 = db.Column(db.Float)
+
+    # Totals
+    Soft_Murum_0_to_1_5_total = db.Column(db.Float)
+    Soft_Murum_1_5_to_3_0_total = db.Column(db.Float)
+    Soft_Murum_3_0_to_4_5_total = db.Column(db.Float)
+
+    Hard_Murum_0_to_1_5_total = db.Column(db.Float)
+    Hard_Murum_1_5_and_above_total = db.Column(db.Float)
+
+    Soft_Rock_0_to_1_5_total = db.Column(db.Float)
+    Soft_Rock_1_5_and_above_total = db.Column(db.Float)
+
+    Hard_Rock_0_to_1_5_total = db.Column(db.Float)
+    Hard_Rock_1_5_and_above_total = db.Column(db.Float)
+    Hard_Rock_3_0_to_4_5_total = db.Column(db.Float)
+    Hard_Rock_4_5_to_6_0_total = db.Column(db.Float)
+    Hard_Rock_6_0_to_7_5_total = db.Column(db.Float)
+
+    Remarks = db.Column(db.String(500))
+    Total = db.Column(db.Float)
+
+    created_at = db.Column(db.DateTime, default=datetime.utcnow)
+
+    def __repr__(self):
+        return f"<TrenchExcavation {self.Location}>"

app/models/user_model.py

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+# from app.services.db_service import db
+# from werkzeug.security import generate_password_hash, check_password_hash
+
+# class User(db.Model):
+#     id = db.Column(db.Integer, primary_key=True)
+#     name = db.Column(db.String(120))
+#     email = db.Column(db.String(120), unique=True)
+#     password_hash = db.Column(db.String(255))
+
+#     def set_password(self, password):
+#         self.password_hash = generate_password_hash(password)
+
+#     def check_password(self, password):
+#         return check_password_hash(self.password_hash, password)
+
+
+class User:
+    def __init__(self, id, name, email):
+        self.id = id
+        self.name = name
+        self.email = email