refactor(router): nest the straight through algorithm column in payment attempt (#1040)

crates/router/src/core/payments.rs

@@ -1079,8 +1079,8 @@ where
             .attach_printable("Invalid straight through algorithm format in payment attempt")?,
     };
 
-    let request_straight_through: Option<api::RoutingAlgorithm> = request_straight_through
-        .map(|val| val.parse_value("RoutingAlgorithm"))
+    let request_straight_through: Option<api::StraightThroughAlgorithm> = request_straight_through
+        .map(|val| val.parse_value("StraightThroughAlgorithm"))
         .transpose()
         .change_context(errors::ApiErrorResponse::InternalServerError)
         .attach_printable("Invalid straight through routing rules format")?;
@@ -1108,7 +1108,7 @@ where
 pub fn decide_connector(
     state: &AppState,
     merchant_account: &storage::MerchantAccount,
-    request_straight_through: Option<api::RoutingAlgorithm>,
+    request_straight_through: Option<api::StraightThroughAlgorithm>,
     routing_data: &mut storage::RoutingData,
 ) -> RouterResult<api::ConnectorCallType> {
     if let Some(ref connector_name) = routing_data.routed_through {
@@ -1125,7 +1125,7 @@ pub fn decide_connector(
 
     if let Some(routing_algorithm) = request_straight_through {
         let connector_name = match &routing_algorithm {
-            api::RoutingAlgorithm::Single(conn) => conn.to_string(),
+            api::StraightThroughAlgorithm::Single(conn) => conn.to_string(),
         };
 
         let connector_data = api::ConnectorData::get_connector_by_name(
@@ -1143,7 +1143,7 @@ pub fn decide_connector(
 
     if let Some(ref routing_algorithm) = routing_data.algorithm {
         let connector_name = match routing_algorithm {
-            api::RoutingAlgorithm::Single(conn) => conn.to_string(),
+            api::StraightThroughAlgorithm::Single(conn) => conn.to_string(),
         };
 
         let connector_data = api::ConnectorData::get_connector_by_name(

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

@@ -2,8 +2,8 @@ pub use api_models::admin::{
     MerchantAccountCreate, MerchantAccountDeleteResponse, MerchantAccountResponse,
     MerchantAccountUpdate, MerchantConnectorCreate, MerchantConnectorDeleteResponse,
     MerchantConnectorDetails, MerchantConnectorDetailsWrap, MerchantConnectorId, MerchantDetails,
-    MerchantId, PaymentMethodsEnabled, RoutingAlgorithm, ToggleKVRequest, ToggleKVResponse,
-    WebhookDetails,
+    MerchantId, PaymentMethodsEnabled, RoutingAlgorithm, StraightThroughAlgorithm, ToggleKVRequest,
+    ToggleKVResponse, WebhookDetails,
 };
 use common_utils::ext_traits::ValueExt;
 

crates/router/src/types/storage/payment_attempt.rs

@@ -5,7 +5,7 @@ pub use storage_models::payment_attempt::{
 #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub struct RoutingData {
     pub routed_through: Option<String>,
-    pub algorithm: Option<api_models::admin::RoutingAlgorithm>,
+    pub algorithm: Option<api_models::admin::StraightThroughAlgorithm>,
 }
 
 #[cfg(feature = "kv_store")]