regular exp updated on model

app/models/mh_ex_client_model.py

@@ -1,15 +1,12 @@
 from app import db
 from datetime import datetime
 from sqlalchemy import event
+from app.utils.regex_utils import RegularExpression
 
 class ManholeExcavationClient(db.Model):
     __tablename__ = "mh_ex_client"
 
     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="mh_ex_records")
 
     # Basic Fields
     RA_Bill_No=db.Column(db.String(500))
@@ -84,13 +81,11 @@ class ManholeExcavationClient(db.Model):
         return {c.name: getattr(self, c.name) for c in self.__table__.columns}
 
 
-# ==========================================
-# AUTO CALCULATE GRAND TOTAL
-# ==========================================
+# AUTO TOTAL USING REGEX
 def calculate_Manhole_total(mapper, connection, target):
     total = 0
     for column in target.__table__.columns:
-        if column.name.endswith("_total"):
+        if RegularExpression.STR_TOTAL_PATTERN.match(column.name):
             total += getattr(target, column.name) or 0
     target.Total = total