[add]: Lona repayment schedule

app/api/services/base_service.py

@@ -101,7 +101,7 @@ class BaseService:
         # Up-front payment: (only those fees due immediately i.e due_days == 0)
         upfront_payment = sum(upfront_fees)
 
-          # Repayment amount: (principal + only those fees not due immediately i.e due_days != 0)
+        # Repayment amount: (principal + only those fees not due immediately i.e due_days != 0)
         repayment_amount = amount + (sum(postpaid_fees) * tenor)
 
         # Total amount: (upfront_payment + repayment_amount)

app/api/services/provide_loan.py

@@ -11,6 +11,10 @@ from threading import Thread
 from app.models import Loan, Offer, Charge
 from app.api.enums import LoanStatus
 from app.extensions import db
+from datetime import datetime, timezone
+from dateutil.relativedelta import relativedelta
+from app.models import LoanRepaymentSchedule 
+
 
 class ProvideLoanService(BaseService):
     TRANSACTION_TYPE = TransactionType.PROVIDE_LOAN 
@@ -85,19 +89,26 @@ class ProvideLoanService(BaseService):
                         status= LoanStatus.ACTIVE
                     )
 
-                    db.session.flush()
-
-
                     if not loan:
                         logger.error(f"Failed to save loan details")
                         return jsonify({
                             "message": "Failed to save loan details."
                         }), 400
-                    
-            
+
+                    db.session.flush()
+
+                    schedule = LoanRepaymentSchedule.add_repayment_schedule(loan = loan, Offer = offer, charges = charges)
+
+
+                    if not schedule:
+                        logger.error(f"Failed to create repayment schedule for loan ID {loan.id}")
+                        return jsonify({
+                            "message": "Failed to generate loan repayment schedule."
+                        }), 400
+
                     charges = Charge.get_offer_charges(offer.id)
 
-                    logger.error(f"{charges}")
+                    # logger.error(f"{charges}")
                     
                     loan_id = loan.id
 
@@ -152,8 +163,4 @@ class ProvideLoanService(BaseService):
             db.session.rollback() 
             return jsonify({
                 "message": "Internal Server Error"
-                }) , 500
-        
-    
- 
-
+                }) , 500