[add]: Loan details and repayment fix

.vscode/settings.json

@@ -1,24 +1,24 @@
-{
-  "editor.lineNumbers": "off",
-  "editor.padding.top": 3,
-  "editor.padding.bottom": 3,
-  "editor.formatOnSave": true,
-  "editor.formatOnPaste": true,
-  "editor.fontSize": 14,
-  "editor.lineHeight": 4.5,
-  "editor.suggestFontSize": 15,
-  // "editor.suggestLineHeight": 4,
-  "breadcrumbs.enabled": false,
-  "workbench.tips.enabled": false,
-  "workbench.statusBar.visible": false,
-  // "workbench.editor.showTabs": "single",
-  "git.enableSmartCommit": true,
-  "workbench.editor.editorActionsLocation": "hidden",
-  // "workbench.activityBar.location": "hidden",
-  "workbench.editor.enablePreviewFromQuickOpen": false,
-  "editor.lightbulb.enabled": "off",
-  "editor.selectionHighlight": false,
-  "editor.overviewRulerBorder": false,
-  "editor.renderLineHighlight": "none",
-  "editor.occurrencesHighlight": "off"
-}
+// {
+//   "editor.lineNumbers": "off",
+//   "editor.padding.top": 3,
+//   "editor.padding.bottom": 3,
+//   "editor.formatOnSave": true,
+//   "editor.formatOnPaste": true,
+//   "editor.fontSize": 14,
+//   "editor.lineHeight": 4.5,
+//   "editor.suggestFontSize": 15,
+//   // "editor.suggestLineHeight": 4,
+//   "breadcrumbs.enabled": false,
+//   "workbench.tips.enabled": false,
+//   "workbench.statusBar.visible": false,
+//   // "workbench.editor.showTabs": "single",
+//   "git.enableSmartCommit": true,
+//   "workbench.editor.editorActionsLocation": "hidden",
+//   // "workbench.activityBar.location": "hidden",
+//   "workbench.editor.enablePreviewFromQuickOpen": false,
+//   "editor.lightbulb.enabled": "off",
+//   "editor.selectionHighlight": false,
+//   "editor.overviewRulerBorder": false,
+//   "editor.renderLineHighlight": "none",
+//   "editor.occurrencesHighlight": "off"
+// }

app/api/services/provide_loan.py

@@ -7,6 +7,7 @@ from app.utils.logger import logger
 from app.api.schemas.provide_loan import ProvideLoanSchema
 from app.api.integrations import KafkaIntegration
 from threading import Thread
+from app.models.loan import Loan
 
 
 class ProvideLoanService(BaseService):
@@ -32,8 +33,23 @@ class ProvideLoanService(BaseService):
             transaction_id = validated_data.get('transactionId')
 
             if (ProvideLoanService.validate_account_ownership(account_id = account_id, customer_id = customer_id)):
+
+                 # Save the loan details here
+                loan_id = f"loan_{transaction.id}"
+                
+                loan = Loan.create_loan(
+                    id=loan_id,
+                    customer_id=customer_id,
+                    account_id=account_id,
+                    product_id=validated_data.get('productId'),
+                    principal_amount=validated_data.get('requestedAmount'),
+                    status="active"
+                )
+
                 transaction = ProvideLoanService.log_transaction(validated_data = validated_data)
 
+                
+
                 if not transaction:
                     logger.error(f"Failed to log transaction")
                     return jsonify({
@@ -89,4 +105,3 @@ class ProvideLoanService(BaseService):
         KafkaIntegration.send_loan_request(loan_data = loan_data, request_id = request_id)
         KafkaIntegration.flush()
 
-

app/api/services/repayment.py

@@ -21,10 +21,12 @@ class RepaymentService(BaseService):
         """
         try:
             validated_data = RepaymentService.validate_data(data, RepaymentSchema())
-            account_id = validated_data.get('accountId')
             customer_id =  validated_data.get('customerId')
+            customer = RepaymentService.get_or_create_customer(validated_data)
+            account = customer.accounts[0]
 
-            if (RepaymentService.validate_account_ownership(account_id = account_id, customer_id = customer_id)):
+
+            if (RepaymentService.validate_account_ownership(account_id = account.id, customer_id = customer_id)):
                 transaction = RepaymentService.log_transaction(validated_data = validated_data)
 
                 if not transaction:

app/models/customer.py

@@ -20,11 +20,11 @@ class Customer(db.Model):
     )
 
     @classmethod
-    def is_eligible(cls, customer_id):
+    def is_valid_customer(cls, customer_id):
         customer = cls.query.filter_by(id=customer_id).first()
         if not customer:
-            return False, "Customer not found"
-        return True, "Customer is eligible"
+            return False
+        return True
 
     @classmethod
     def create_customer(cls, id, msisdn, country_code, account_id, account_type='savings'):

app/models/loan.py

@@ -1,5 +1,7 @@
 from datetime import datetime, timezone
 from app.extensions import db
+from app.models.customer import Customer
+from app.models.account import Account
 
 
 class Loan(db.Model):
@@ -15,6 +17,34 @@ class Loan(db.Model):
     updated_at = db.Column(db.DateTime, default=datetime.now(timezone.utc), onupdate=datetime.now(timezone.utc))
 
 
+    @classmethod
+    def create_loan(cls, id, customer_id, account_id, product_id, principal_amount, status='pending'):
+
+        # Check if customer exists
+        is_valid = Customer.is_valid_customer(customer_id)
+        if not is_valid:
+            raise ValueError("Customer does not exist")
+        
+        # # Check for active loans
+        # has_active_loans = cls.has_active_loans(customer_id)
+        # if has_active_loans:
+        #     raise ValueError("Customer has active loans")
+
+        # Create and save the loan
+        loan = cls(
+            id=id,
+            customer_id=customer_id,
+            account_id=account_id,
+            product_id=product_id,
+            principal_amount=principal_amount,
+            status=status
+        )
+
+        db.session.add(loan)
+        db.session.commit()
+        return loan
+
+
     @classmethod
     def has_active_loans(cls, customer_id):
         active_loans = cls.query.filter_by(
@@ -23,8 +53,8 @@ class Loan(db.Model):
         ).count()
 
         if active_loans > 0:
-            return False, "Customer has active loans"
-        return True, "No active loans"
+            return False
+        return True
     
     
     def __repr__(self):