feat(subscriptions): Add Subscription confirm handler (#9353)

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

crates/hyperswitch_interfaces/src/api/subscriptions_v2.rs

@@ -2,30 +2,35 @@
 use hyperswitch_domain_models::{
     router_data_v2::flow_common_types::{
         GetSubscriptionEstimateData, GetSubscriptionPlanPricesData, GetSubscriptionPlansData,
-        SubscriptionCreateData,
+        SubscriptionCreateData, SubscriptionCustomerData,
     },
-    router_flow_types::subscriptions::{
-        GetSubscriptionEstimate, GetSubscriptionPlanPrices, GetSubscriptionPlans,
-        SubscriptionCreate,
+    router_flow_types::{
+        subscriptions::{GetSubscriptionPlanPrices, GetSubscriptionPlans, SubscriptionCreate},
+        CreateConnectorCustomer, GetSubscriptionEstimate,
     },
-    router_request_types::subscriptions::{
-        GetSubscriptionEstimateRequest, GetSubscriptionPlanPricesRequest,
-        GetSubscriptionPlansRequest, SubscriptionCreateRequest,
+    router_request_types::{
+        subscriptions::{
+            GetSubscriptionEstimateRequest, GetSubscriptionPlanPricesRequest,
+            GetSubscriptionPlansRequest, SubscriptionCreateRequest,
+        },
+        ConnectorCustomerData,
     },
-    router_response_types::subscriptions::{
-        GetSubscriptionEstimateResponse, GetSubscriptionPlanPricesResponse,
-        GetSubscriptionPlansResponse, SubscriptionCreateResponse,
+    router_response_types::{
+        subscriptions::{
+            GetSubscriptionEstimateResponse, GetSubscriptionPlanPricesResponse,
+            GetSubscriptionPlansResponse, SubscriptionCreateResponse,
+        },
+        PaymentsResponseData,
     },
 };
 
-use super::payments_v2::ConnectorCustomerV2;
 use crate::connector_integration_v2::ConnectorIntegrationV2;
 
 /// trait SubscriptionsV2
 pub trait SubscriptionsV2:
     GetSubscriptionPlansV2
     + SubscriptionsCreateV2
-    + ConnectorCustomerV2
+    + SubscriptionConnectorCustomerV2
     + GetSubscriptionPlanPricesV2
     + GetSubscriptionEstimateV2
 {
@@ -64,6 +69,16 @@ pub trait SubscriptionsCreateV2:
 {
 }
 
+/// trait SubscriptionConnectorCustomerV2
+pub trait SubscriptionConnectorCustomerV2:
+    ConnectorIntegrationV2<
+    CreateConnectorCustomer,
+    SubscriptionCustomerData,
+    ConnectorCustomerData,
+    PaymentsResponseData,
+>
+{
+}
 /// trait GetSubscriptionEstimate for V2
 pub trait GetSubscriptionEstimateV2:
     ConnectorIntegrationV2<