added repayment data

app/services/loan.py

@@ -8,6 +8,13 @@ class LoanService:
         Get the loan by transaction ID
         """
         return Loan.get_loan_by_transaction_id(transaction_id)
+    @classmethod
+    def get_loan_by_loan_id(cls, loan_id):
+        """
+        Get the loan by  ID
+        """
+        return Loan.get_loan_by_loan_id(loan_id)
+        
 
     @classmethod
     def get_loan_by_debt_id(cls, debt_id):

app/services/transactions.py

@@ -7,4 +7,5 @@ class TransactionService:
         """
         Get the transaction by ID
         """
-        return Transaction.get_transaction_by_transaction_id(transaction_id)
+        return Transaction.get_transaction_by_transaction_id(transaction_id)
+