[add]: loan total amount

app/models/loan.py

@@ -223,10 +223,18 @@ class Loan(db.Model):
     @classmethod
     def get_customer_loans(cls,  customer_id):
         """
-        Get customer's active loans by customer_id.
+        Get customer's active loans and sum by customer_id.
         """
         customer_loans = cls.query.filter_by( customer_id = customer_id).all()
         if not customer_loans:
             raise ValueError(f"Customer with Id {customer_id} does not have any loan.")
-        logger.info(f"Found {len(customer_loans)} loans for customer ID: {customer_id}")        
-        return customer_loans
+
+        total_amount = (
+            db.session.query(func.coalesce(func.sum(cls.current_loan_amount), 0.0))
+            .filter_by(customer_id=customer_id)
+            .scalar()
+        )    
+
+        logger.info(f"Found {len(customer_loans)} loans for customer ID: {customer_id} with total amount: {total_amount}")
+
+        return customer_loans, total_amount

app/routes/autocall.py

@@ -154,7 +154,7 @@ def salary_detect():
 
         # Step 3.2: Get loans
         try:
-            loans = LoanService.get_customer_loans(pending_salary.customer_id)
+            loans, total_amount = LoanService.get_customer_loans(pending_salary.customer_id)
             if not loans:
                 logger.warning(f"No loans found for customer ID: {pending_salary.customer_id}")
                 continue