create Mh.Ex model and MH & DC model and upload commit

app/models/manhole_excavation_model.py

@@ -0,0 +1,63 @@
+from app import db
+from datetime import datetime
+
+class ManholeExcavation(db.Model):
+    __tablename__ = "manhole_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="manhole_records")
+
+    # Basic Fields
+    Location = db.Column(db.String(255))
+    MH_NO = db.Column(db.String(100))
+   
+    Upto_IL_Depth = db.Column(db.Float)
+    Cutting_Depth = db.Column(db.Float)
+    ID_of_MH_m = db.Column(db.Float)
+    Ex_Dia_of_Manhole = db.Column(db.Float)
+    Area_of_Manhole = 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"<HanholeExcavation {self.Location}>"