feat: return customer details in payments response body (#4237)

crates/api_models/src/payments.rs

@@ -169,7 +169,7 @@ mod client_secret_tests {
     }
 }
 
-#[derive(Default, Debug, serde::Deserialize, serde::Serialize, Clone, ToSchema)]
+#[derive(Default, Debug, serde::Deserialize, serde::Serialize, Clone, ToSchema, PartialEq)]
 pub struct CustomerDetails {
     /// The identifier for the customer.
     pub id: String,
@@ -2935,6 +2935,9 @@ pub struct PaymentsResponse {
     #[schema(max_length = 255, example = "cus_y3oqhf46pyzuxjbcn2giaqnb44")]
     pub customer_id: Option<String>,
 
+    /// Details of customer attached to this payment
+    pub customer: Option<CustomerDetails>,
+
     /// A description of the payment
     #[schema(example = "It's my first payment request")]
     pub description: Option<String>,

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

@@ -490,6 +490,8 @@ where
         ))
     }
 
+    let customer_details_response = customer.as_ref().map(ForeignInto::foreign_into);
+
     headers.extend(
         external_latency
             .map(|latency| {
@@ -779,6 +781,7 @@ where
                         .set_payment_method_status(
                             payment_data.payment_method_info.map(|info| info.status),
                         )
+                        .set_customer(customer_details_response.clone())
                         .to_owned(),
                     headers,
                 ))
@@ -849,6 +852,7 @@ where
                 expires_on: payment_intent.session_expiry,
                 external_3ds_authentication_attempted: payment_attempt
                     .external_three_ds_authentication_attempted,
+                customer: customer_details_response,
                 ..Default::default()
             },
             headers,

crates/router/src/types/transformers.rs

@@ -1130,6 +1130,24 @@ impl ForeignFrom<storage::GatewayStatusMap> for gsm_api_types::GsmResponse {
     }
 }
 
+impl ForeignFrom<&domain::Customer> for api_models::payments::CustomerDetails {
+    fn foreign_from(customer: &domain::Customer) -> Self {
+        Self {
+            id: customer.customer_id.clone(),
+            name: customer
+                .name
+                .as_ref()
+                .map(|name| name.get_inner().to_owned()),
+            email: customer.email.clone().map(Into::into),
+            phone: customer
+                .phone
+                .as_ref()
+                .map(|phone| phone.get_inner().to_owned()),
+            phone_country_code: customer.phone_country_code.clone(),
+        }
+    }
+}
+
 #[cfg(feature = "olap")]
 impl ForeignTryFrom<api_types::webhook_events::EventListConstraints>
     for api_types::webhook_events::EventListConstraintsInternal

openapi/openapi_spec.json

@@ -14338,6 +14338,14 @@
             "nullable": true,
             "maxLength": 255
           },
+          "customer": {
+            "allOf": [
+              {
+                "$ref": "#/components/schemas/CustomerDetails"
+              }
+            ],
+            "nullable": true
+          },
           "description": {
             "type": "string",
             "description": "A description of the payment",