[update]: Loan status

app/models/loan.py

@@ -99,6 +99,20 @@ class Loan(db.Model):
         # Update loan status and the updated_at timestamp
         loan.status = status
 
+    def to_dict(self):
+        """
+        Convert the Loan object to a dictionary format for JSON serialization.
+        """
+        return {
+            'id': self.id,
+            'customer_id': self.customer_id,
+            'account_id': self.account_id,
+            'offer_id': self.offer_id,
+            'principal_amount': self.principal_amount,
+            'status': self.status,
+            'created_at': self.created_at.isoformat() if self.created_at else None,
+            'updated_at': self.updated_at.isoformat() if self.updated_at else None
+        }
     
     def __repr__(self):
         return f'<Loan {self.id}>'