refactor(core): populate shipping_cost in payment response (#6351)

Co-authored-by: hyperswitch-bot[bot] <148525504+hyperswitch-bot[bot]@users.noreply.github.com>

api-reference-v2/openapi_spec.json

@@ -14085,6 +14085,13 @@
             "description": "The payment net amount. net_amount = amount + surcharge_details.surcharge_amount + surcharge_details.tax_amount + shipping_cost + order_tax_amount,\nIf no surcharge_details, shipping_cost, order_tax_amount, net_amount = amount",
             "example": 6540
           },
+          "shipping_cost": {
+            "type": "integer",
+            "format": "int64",
+            "description": "The shipping cost for the payment.",
+            "example": 6540,
+            "nullable": true
+          },
           "amount_capturable": {
             "type": "integer",
             "format": "int64",
@@ -15224,6 +15231,13 @@
             "description": "The payment net amount. net_amount = amount + surcharge_details.surcharge_amount + surcharge_details.tax_amount + shipping_cost + order_tax_amount,\nIf no surcharge_details, shipping_cost, order_tax_amount, net_amount = amount",
             "example": 6540
           },
+          "shipping_cost": {
+            "type": "integer",
+            "format": "int64",
+            "description": "The shipping cost for the payment.",
+            "example": 6540,
+            "nullable": true
+          },
           "amount_capturable": {
             "type": "integer",
             "format": "int64",

api-reference/openapi_spec.json

@@ -17347,6 +17347,13 @@
             "description": "The payment net amount. net_amount = amount + surcharge_details.surcharge_amount + surcharge_details.tax_amount + shipping_cost + order_tax_amount,\nIf no surcharge_details, shipping_cost, order_tax_amount, net_amount = amount",
             "example": 6540
           },
+          "shipping_cost": {
+            "type": "integer",
+            "format": "int64",
+            "description": "The shipping cost for the payment.",
+            "example": 6540,
+            "nullable": true
+          },
           "amount_capturable": {
             "type": "integer",
             "format": "int64",
@@ -18535,6 +18542,13 @@
             "description": "The payment net amount. net_amount = amount + surcharge_details.surcharge_amount + surcharge_details.tax_amount + shipping_cost + order_tax_amount,\nIf no surcharge_details, shipping_cost, order_tax_amount, net_amount = amount",
             "example": 6540
           },
+          "shipping_cost": {
+            "type": "integer",
+            "format": "int64",
+            "description": "The shipping cost for the payment.",
+            "example": 6540,
+            "nullable": true
+          },
           "amount_capturable": {
             "type": "integer",
             "format": "int64",

crates/api_models/src/payments.rs

@@ -4093,6 +4093,10 @@ pub struct PaymentsResponse {
     #[schema(value_type = i64, example = 6540)]
     pub net_amount: MinorUnit,
 
+    /// The shipping cost for the payment.
+    #[schema(value_type = Option<i64>, example = 6540)]
+    pub shipping_cost: Option<MinorUnit>,
+
     /// The maximum amount that could be captured from the payment
     #[schema(value_type = i64, minimum = 100, example = 6540)]
     pub amount_capturable: MinorUnit,

crates/router/src/core/payments/transformers.rs

@@ -1342,6 +1342,7 @@ where
             merchant_order_reference_id: payment_intent.merchant_order_reference_id,
             order_tax_amount,
             connector_mandate_id,
+            shipping_cost: payment_intent.shipping_cost,
         };
 
         services::ApplicationResponse::JsonWithHeaders((payments_response, headers))
@@ -1598,6 +1599,7 @@ impl ForeignFrom<(storage::PaymentIntent, storage::PaymentAttempt)> for api::Pay
             frm_metadata: None,
             order_tax_amount: None,
             connector_mandate_id:None,
+            shipping_cost: None,
         }
     }
 }

crates/router/tests/payments.rs

@@ -446,6 +446,7 @@ async fn payments_create_core() {
         merchant_order_reference_id: None,
         order_tax_amount: None,
         connector_mandate_id: None,
+        shipping_cost: None,
     };
     let expected_response =
         services::ApplicationResponse::JsonWithHeaders((expected_response, vec![]));
@@ -704,6 +705,7 @@ async fn payments_create_core_adyen_no_redirect() {
             merchant_order_reference_id: None,
             order_tax_amount: None,
             connector_mandate_id: None,
+            shipping_cost: None,
         },
         vec![],
     ));

crates/router/tests/payments2.rs

@@ -207,6 +207,7 @@ async fn payments_create_core() {
         merchant_order_reference_id: None,
         order_tax_amount: None,
         connector_mandate_id: None,
+        shipping_cost: None,
     };
 
     let expected_response =
@@ -474,6 +475,7 @@ async fn payments_create_core_adyen_no_redirect() {
             merchant_order_reference_id: None,
             order_tax_amount: None,
             connector_mandate_id: None,
+            shipping_cost: None,
         },
         vec![],
     ));