feat(routing): Enable volume split for dynamic routing (#6662)

Co-authored-by: prajjwalkumar17 <write2prajjwal@gmail.com>
Co-authored-by: hyperswitch-bot[bot] <148525504+hyperswitch-bot[bot]@users.noreply.github.com>
Co-authored-by: prajjwalkumar17 <prajjwal.kumar@juspay.in>

crates/api_models/src/events/routing.rs

@@ -4,9 +4,9 @@ use crate::routing::{
     LinkedRoutingConfigRetrieveResponse, MerchantRoutingAlgorithm, ProfileDefaultRoutingConfig,
     RoutingAlgorithmId, RoutingConfigRequest, RoutingDictionaryRecord, RoutingKind,
     RoutingLinkWrapper, RoutingPayloadWrapper, RoutingRetrieveLinkQuery,
-    RoutingRetrieveLinkQueryWrapper, RoutingRetrieveQuery, SuccessBasedRoutingConfig,
-    SuccessBasedRoutingPayloadWrapper, SuccessBasedRoutingUpdateConfigQuery,
-    ToggleDynamicRoutingQuery, ToggleDynamicRoutingWrapper,
+    RoutingRetrieveLinkQueryWrapper, RoutingRetrieveQuery, RoutingVolumeSplitWrapper,
+    SuccessBasedRoutingConfig, SuccessBasedRoutingPayloadWrapper,
+    SuccessBasedRoutingUpdateConfigQuery, ToggleDynamicRoutingQuery, ToggleDynamicRoutingWrapper,
 };
 
 impl ApiEventMetric for RoutingKind {
@@ -108,3 +108,9 @@ impl ApiEventMetric for SuccessBasedRoutingUpdateConfigQuery {
         Some(ApiEventsType::Routing)
     }
 }
+
+impl ApiEventMetric for RoutingVolumeSplitWrapper {
+    fn get_api_event_type(&self) -> Option<ApiEventsType> {
+        Some(ApiEventsType::Routing)
+    }
+}

crates/api_models/src/routing.rs

@@ -522,6 +522,7 @@ pub struct DynamicAlgorithmWithTimestamp<T> {
 #[derive(Debug, Default, Clone, serde::Serialize, serde::Deserialize)]
 pub struct DynamicRoutingAlgorithmRef {
     pub success_based_algorithm: Option<SuccessBasedAlgorithm>,
+    pub dynamic_routing_volume_split: Option<u8>,
     pub elimination_routing_algorithm: Option<EliminationRoutingAlgorithm>,
 }
 
@@ -554,32 +555,6 @@ impl DynamicRoutingAlgoAccessor for EliminationRoutingAlgorithm {
     }
 }
 
-impl EliminationRoutingAlgorithm {
-    pub fn new(
-        algorithm_id_with_timestamp: DynamicAlgorithmWithTimestamp<
-            common_utils::id_type::RoutingId,
-        >,
-    ) -> Self {
-        Self {
-            algorithm_id_with_timestamp,
-            enabled_feature: DynamicRoutingFeatures::None,
-        }
-    }
-}
-
-impl SuccessBasedAlgorithm {
-    pub fn new(
-        algorithm_id_with_timestamp: DynamicAlgorithmWithTimestamp<
-            common_utils::id_type::RoutingId,
-        >,
-    ) -> Self {
-        Self {
-            algorithm_id_with_timestamp,
-            enabled_feature: DynamicRoutingFeatures::None,
-        }
-    }
-}
-
 impl DynamicRoutingAlgorithmRef {
     pub fn update(&mut self, new: Self) {
         if let Some(elimination_routing_algorithm) = new.elimination_routing_algorithm {
@@ -608,8 +583,63 @@ impl DynamicRoutingAlgorithmRef {
             }
         }
     }
+
+    pub fn update_volume_split(&mut self, volume: Option<u8>) {
+        self.dynamic_routing_volume_split = volume
+    }
 }
 
+impl EliminationRoutingAlgorithm {
+    pub fn new(
+        algorithm_id_with_timestamp: DynamicAlgorithmWithTimestamp<
+            common_utils::id_type::RoutingId,
+        >,
+    ) -> Self {
+        Self {
+            algorithm_id_with_timestamp,
+            enabled_feature: DynamicRoutingFeatures::None,
+        }
+    }
+}
+
+impl SuccessBasedAlgorithm {
+    pub fn new(
+        algorithm_id_with_timestamp: DynamicAlgorithmWithTimestamp<
+            common_utils::id_type::RoutingId,
+        >,
+    ) -> Self {
+        Self {
+            algorithm_id_with_timestamp,
+            enabled_feature: DynamicRoutingFeatures::None,
+        }
+    }
+}
+
+#[derive(Debug, Default, Clone, Copy, serde::Serialize, serde::Deserialize)]
+pub struct RoutingVolumeSplit {
+    pub routing_type: RoutingType,
+    pub split: u8,
+}
+
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+pub struct RoutingVolumeSplitWrapper {
+    pub routing_info: RoutingVolumeSplit,
+    pub profile_id: common_utils::id_type::ProfileId,
+}
+
+#[derive(Debug, Default, Clone, Copy, serde::Serialize, serde::Deserialize, Eq, PartialEq)]
+#[serde(rename_all = "snake_case")]
+pub enum RoutingType {
+    #[default]
+    Static,
+    Dynamic,
+}
+
+impl RoutingType {
+    pub fn is_dynamic_routing(self) -> bool {
+        self == Self::Dynamic
+    }
+}
 #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub struct SuccessBasedAlgorithm {
     pub algorithm_id_with_timestamp:
@@ -673,6 +703,11 @@ pub struct ToggleDynamicRoutingQuery {
     pub enable: DynamicRoutingFeatures,
 }
 
+#[derive(Debug, Clone, Copy, serde::Serialize, serde::Deserialize, ToSchema)]
+pub struct DynamicRoutingVolumeSplitQuery {
+    pub split: u8,
+}
+
 #[derive(Debug, Default, Clone, serde::Serialize, serde::Deserialize, PartialEq, Eq, ToSchema)]
 #[serde(rename_all = "snake_case")]
 pub enum DynamicRoutingFeatures {