create regular exp added and change model

app/models/laying_client_model.py

@@ -1,9 +1,7 @@
 from app import db
 from datetime import datetime
 from sqlalchemy import event
-import re
-# REGEX PATTERN
-PIPE_MM_PATTERN = re.compile(r"^pipe_\d+_mm$")
+from app.utils.regex_utils import RegularExpression
 
 class LayingClient(db.Model):
     __tablename__ = "laying_client"
@@ -53,13 +51,13 @@ class LayingClient(db.Model):
         return {c.name: getattr(self, c.name) for c in self.__table__.columns}
 
     
-    def sum_laying_fields():
-        return [
-            "pipe_150_mm", "pipe_200_mm", "pipe_250_mm",
-            "pipe_300_mm", "pipe_350_mm", "pipe_400_mm",
-            "pipe_450_mm", "pipe_500_mm", "pipe_600_mm",
-            "pipe_700_mm", "pipe_900_mm", "pipe_1200_mm"
-        ]
+    # def sum_laying_fields():
+    #     return [
+    #         "pipe_150_mm", "pipe_200_mm", "pipe_250_mm",
+    #         "pipe_300_mm", "pipe_350_mm", "pipe_400_mm",
+    #         "pipe_450_mm", "pipe_500_mm", "pipe_600_mm",
+    #         "pipe_700_mm", "pipe_900_mm", "pipe_1200_mm"
+    #     ]
     
 # ===============================
 # AUTO TOTAL USING REGEX
@@ -68,7 +66,7 @@ def calculate_laying_total(mapper, connection, target):
     total = 0
 
     for column in target.__table__.columns:
-        if PIPE_MM_PATTERN.match(column.name):
+        if RegularExpression.PIPE_MM_PATTERN.match(column.name):
             total += getattr(target, column.name) or 0
 
     target.Total = total