comaparison code optimization and cal sum/total mh dc and laying

app/models/laying_model.py

@@ -10,11 +10,10 @@ class Laying(db.Model):
     # Relationship for easy access (subcontractor.subcontractor_name)
     subcontractor = db.relationship("Subcontractor", backref="laying_records")
 
-    # Basic Fields
+    # Pipe Laying Fields
     Location = db.Column(db.String(500))
     MH_NO = db.Column(db.String(100))
     CC_length = db.Column(db.Float)
- 
     Pipe_Dia_mm = db.Column(db.Float)
     ID_of_MH_m = db.Column(db.Float)
     Laying_Length = db.Column(db.Float)
@@ -32,7 +31,6 @@ class Laying(db.Model):
     pipe_900_mm = db.Column(db.Float)
     pipe_1200_mm = db.Column(db.Float)
     
-    
     Total = db.Column(db.Float)
     Remarks = db.Column(db.String(500))
     RA_Bill_No=db.Column(db.String(500))
@@ -45,3 +43,12 @@ class Laying(db.Model):
 
     def serialize(self):
         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"
+        ]