regular exp updated on model

app/models/manhole_excavation_model.py

@@ -1,6 +1,7 @@
 from app import db
 from datetime import datetime
 from sqlalchemy import event
+from app.utils.regex_utils import RegularExpression
 
 class ManholeExcavation(db.Model):
     __tablename__ = "manhole_excavation"
@@ -67,13 +68,11 @@ class ManholeExcavation(db.Model):
     def serialize(self):
         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