feat(subscriptions): add route for creating subscription intent (#9123)

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

crates/common_utils/src/events.rs

@@ -85,6 +85,7 @@ pub enum ApiEventsType {
         payment_id: Option<id_type::GlobalPaymentId>,
     },
     Routing,
+    Subscription,
     ResourceListAPI,
     #[cfg(feature = "v1")]
     PaymentRedirectionResponse {

crates/common_utils/src/id_type.rs

@@ -17,6 +17,7 @@ mod profile_acquirer;
 mod refunds;
 mod relay;
 mod routing;
+mod subscription;
 mod tenant;
 
 use std::{borrow::Cow, fmt::Debug};
@@ -55,6 +56,7 @@ pub use self::{
     refunds::RefundReferenceId,
     relay::RelayId,
     routing::RoutingId,
+    subscription::SubscriptionId,
     tenant::TenantId,
 };
 use crate::{fp_utils::when, generate_id_with_default_len};

crates/common_utils/src/id_type/subscription.rs

@@ -0,0 +1,21 @@
+crate::id_type!(
+    SubscriptionId,
+    " A type for subscription_id that can be used for subscription ids"
+);
+
+crate::impl_id_type_methods!(SubscriptionId, "subscription_id");
+
+// This is to display the `SubscriptionId` as SubscriptionId(subs)
+crate::impl_debug_id_type!(SubscriptionId);
+crate::impl_try_from_cow_str_id_type!(SubscriptionId, "subscription_id");
+
+crate::impl_generate_id_id_type!(SubscriptionId, "subscription");
+crate::impl_serializable_secret_id_type!(SubscriptionId);
+crate::impl_queryable_id_type!(SubscriptionId);
+crate::impl_to_sql_from_sql_id_type!(SubscriptionId);
+
+impl crate::events::ApiEventMetric for SubscriptionId {
+    fn get_api_event_type(&self) -> Option<crate::events::ApiEventsType> {
+        Some(crate::events::ApiEventsType::Subscription)
+    }
+}