Enhance Customer Logout Functionality with Improved Error Handling and Device Token Management

- Updated the Logout method in customer service to retrieve the customer by ID before invalidating the access token, enhancing error logging for failed retrievals.
- Added error handling for the access token invalidation process, ensuring a clear error message is returned if it fails.
- Implemented logic to clear the device token upon logout, updating the customer record accordingly and logging any errors during the update process.
- Improved logging for successful and failed logout operations to enhance traceability.

internal/customer/service.go

@@ -779,18 +779,37 @@ func (s *customerService) GetProfileWithCompanies(ctx context.Context, customerI
 // Logout handles customer logout
 func (s *customerService) Logout(ctx context.Context, customerID string, accessToken string) error {
 	s.logger.Info("Customer logout", map[string]interface{}{
-		"customer_id":  customerID,
-		"access_token": accessToken[:10] + "...", // Log only first 10 chars for security
+		"customer_id": customerID,
 	})
 
+	// get customer by id
+	customer, err := s.repository.GetByID(ctx, customerID)
+	if err != nil {
+		s.logger.Error("Failed to get customer for logout", map[string]interface{}{
+			"error":       err.Error(),
+			"customer_id": customerID,
+		})
+	}
+
 	// Invalidate the access token
-	err := s.authService.InvalidateToken(accessToken)
+	err = s.authService.InvalidateToken(accessToken)
 	if err != nil {
 		s.logger.Error("Failed to invalidate access token", map[string]interface{}{
 			"error":       err.Error(),
 			"customer_id": customerID,
 		})
 		// Don't return error here as the customer should still be logged out
+		return errors.New("failed to invalidate access token")
+	}
+
+	// delete device token from customer
+	customer.DeviceToken = make([]string, 0)
+	err = s.repository.Update(ctx, customer)
+	if err != nil {
+		s.logger.Error("Failed to update customer device token", map[string]interface{}{
+			"error":       err.Error(),
+			"customer_id": customerID,
+		})
 	}
 
 	s.logger.Info("Customer logout successful", map[string]interface{}{