feat(core): decide flow based on setup_future_usage (#3569)

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

crates/api_models/src/mandates.rs

@@ -77,6 +77,9 @@ pub struct MandateCardDetails {
     pub card_network: Option<api_enums::CardNetwork>,
     /// The type of the payment card
     pub card_type: Option<String>,
+    /// The nick_name of the card holder
+    #[schema(value_type = Option<String>)]
+    pub nick_name: Option<Secret<String>>,
 }
 
 #[derive(Clone, Debug, Deserialize, ToSchema, Serialize)]

crates/router/src/core/payments/flows/authorize_flow.rs

@@ -103,6 +103,7 @@ impl Feature<api::Authorize, types::PaymentsAuthorizeData> for types::PaymentsAu
                     merchant_account,
                     self.request.payment_method_type,
                     key_store,
+                    is_mandate,
                 ))
                 .await?;
                 Ok(mandate::mandate_procedure(
@@ -134,6 +135,7 @@ impl Feature<api::Authorize, types::PaymentsAuthorizeData> for types::PaymentsAu
                         &merchant_account,
                         self.request.payment_method_type,
                         &key_store,
+                        is_mandate,
                     ))
                     .await;
 

crates/router/src/core/payments/flows/setup_mandate_flow.rs

@@ -76,6 +76,9 @@ impl Feature<api::SetupMandate, types::SetupMandateRequestData> for types::Setup
         )
         .await
         .to_setup_mandate_failed_response()?;
+
+        let is_mandate = resp.request.setup_mandate_details.is_some();
+
         let pm_id = Box::pin(tokenization::save_payment_method(
             state,
             connector,
@@ -84,6 +87,7 @@ impl Feature<api::SetupMandate, types::SetupMandateRequestData> for types::Setup
             merchant_account,
             self.request.payment_method_type,
             key_store,
+            is_mandate,
         ))
         .await?;
 
@@ -280,6 +284,8 @@ impl types::SetupMandateRouterData {
 
                 let payment_method_type = self.request.payment_method_type;
 
+                let is_mandate = resp.request.setup_mandate_details.is_some();
+
                 let pm_id = Box::pin(tokenization::save_payment_method(
                     state,
                     connector,
@@ -288,6 +294,7 @@ impl types::SetupMandateRouterData {
                     merchant_account,
                     payment_method_type,
                     key_store,
+                    is_mandate,
                 ))
                 .await?;
 

crates/router/src/core/payments/operations/payment_create.rs

@@ -8,7 +8,7 @@ use data_models::{
     payments::payment_attempt::PaymentAttempt,
 };
 use diesel_models::ephemeral_key;
-use error_stack::{self, ResultExt};
+use error_stack::{self, report, ResultExt};
 use masking::PeekInterface;
 use router_derive::PaymentOperation;
 use router_env::{instrument, tracing};
@@ -629,6 +629,17 @@ impl<F: Send + Clone, Ctx: PaymentMethodRetrieve> ValidateRequest<F, api::Paymen
 
         helpers::validate_payment_method_fields_present(request)?;
 
+        if request.mandate_data.is_none()
+            && request
+                .setup_future_usage
+                .map(|fut_usage| fut_usage == enums::FutureUsage::OffSession)
+                .unwrap_or(false)
+        {
+            Err(report!(errors::ApiErrorResponse::PreconditionFailed {
+                message: "`setup_future_usage` cannot be `off_session` for normal payments".into()
+            }))?
+        }
+
         let mandate_type =
             helpers::validate_mandate(request, payments::is_operation_confirm(self))?;
 

crates/router/src/core/payments/operations/payment_update.rs

@@ -682,6 +682,17 @@ impl<F: Send + Clone, Ctx: PaymentMethodRetrieve> ValidateRequest<F, api::Paymen
 
         helpers::validate_payment_method_fields_present(request)?;
 
+        if request.mandate_data.is_none()
+            && request
+                .setup_future_usage
+                .map(|fut_usage| fut_usage == storage_enums::FutureUsage::OffSession)
+                .unwrap_or(false)
+        {
+            Err(report!(errors::ApiErrorResponse::PreconditionFailed {
+                message: "`setup_future_usage` cannot be `off_session` for normal payments".into()
+            }))?
+        }
+
         let mandate_type = helpers::validate_mandate(request, false)?;
 
         Ok((

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

@@ -22,6 +22,7 @@ use crate::{
 };
 
 #[instrument(skip_all)]
+#[allow(clippy::too_many_arguments)]
 pub async fn save_payment_method<F: Clone, FData>(
     state: &AppState,
     connector: &api::ConnectorData,
@@ -30,6 +31,7 @@ pub async fn save_payment_method<F: Clone, FData>(
     merchant_account: &domain::MerchantAccount,
     payment_method_type: Option<storage_enums::PaymentMethodType>,
     key_store: &domain::MerchantKeyStore,
+    is_mandate: bool,
 ) -> RouterResult<Option<String>>
 where
     FData: mandate::MandateBehaviour,
@@ -62,8 +64,16 @@ where
             } else {
                 None
             };
+            let future_usage_validation = resp
+                .request
+                .get_setup_future_usage()
+                .map(|future_usage| {
+                    (future_usage == storage_enums::FutureUsage::OffSession && is_mandate)
+                        || (future_usage == storage_enums::FutureUsage::OnSession && !is_mandate)
+                })
+                .unwrap_or(false);
 
-            let pm_id = if resp.request.get_setup_future_usage().is_some() {
+            let pm_id = if future_usage_validation {
                 let customer = maybe_customer.to_owned().get_required_value("customer")?;
                 let payment_method_create_request = helpers::get_payment_method_create_request(
                     Some(&resp.request.get_payment_method_data()),

crates/router/src/types/api/mandates.rs

@@ -112,6 +112,7 @@ impl From<api::payment_methods::CardDetailFromLocker> for MandateCardDetails {
             card_issuer: card_details_from_locker.card_issuer,
             card_network: card_details_from_locker.card_network,
             card_type: card_details_from_locker.card_type,
+            nick_name: card_details_from_locker.nick_name,
         }
         .into()
     }

openapi/openapi_spec.json

@@ -9098,6 +9098,11 @@
             "type": "string",
             "description": "The type of the payment card",
             "nullable": true
+          },
+          "nick_name": {
+            "type": "string",
+            "description": "The nick_name of the card holder",
+            "nullable": true
           }
         }
       },

postman/collection-dir/stripe/Flow Testcases/Happy Cases/Scenario23- Update Amount/Payments - Confirm/request.json

@@ -62,7 +62,7 @@
           "card_cvc": "737"
         }
       },
-      "setup_future_usage": "off_session",
+      "setup_future_usage": "on_session",
       "browser_info": {
         "user_agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36",
         "accept_header": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
@@ -79,14 +79,8 @@
   },
   "url": {
     "raw": "{{baseUrl}}/payments/:id/confirm",
-    "host": [
-      "{{baseUrl}}"
-    ],
-    "path": [
-      "payments",
-      ":id",
-      "confirm"
-    ],
+    "host": ["{{baseUrl}}"],
+    "path": ["payments", ":id", "confirm"],
     "variable": [
       {
         "key": "id",