feat(router): Add payments get-intent API for v2 (#6396)

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

crates/openapi/src/openapi_v2.rs

@@ -123,6 +123,7 @@ Never share your secret api keys. Keep them guarded and secure.
 
         //Routes for payments
         routes::payments::payments_create_intent,
+        routes::payments::payments_get_intent,
         routes::payments::payments_confirm_intent,
 
         //Routes for refunds
@@ -325,7 +326,7 @@ Never share your secret api keys. Keep them guarded and secure.
         api_models::payments::PaymentsSessionRequest,
         api_models::payments::PaymentsSessionResponse,
         api_models::payments::PaymentsCreateIntentRequest,
-        api_models::payments::PaymentsCreateIntentResponse,
+        api_models::payments::PaymentsIntentResponse,
         api_models::payments::PazeWalletData,
         api_models::payments::AmountDetails,
         api_models::payments::SessionToken,

crates/openapi/src/routes/payments.rs

@@ -620,7 +620,7 @@ pub fn payments_post_session_tokens() {}
       ),
   ),
   responses(
-      (status = 200, description = "Payment created", body = PaymentsCreateIntentResponse),
+      (status = 200, description = "Payment created", body = PaymentsIntentResponse),
       (status = 400, description = "Missing Mandatory fields")
   ),
   tag = "Payments",
@@ -630,6 +630,25 @@ pub fn payments_post_session_tokens() {}
 #[cfg(feature = "v2")]
 pub fn payments_create_intent() {}
 
+/// Payments - Get Intent
+///
+/// **Get a payment intent object when id is passed in path**
+///
+/// You will require the 'API - Key' from the Hyperswitch dashboard to make the call.
+#[utoipa::path(
+  get,
+  path = "/v2/payments/{id}/get-intent",
+  params (("id" = String, Path, description = "The unique identifier for the Payment Intent")),
+  responses(
+      (status = 200, description = "Payment Intent", body = PaymentsIntentResponse),
+      (status = 404, description = "Payment Intent not found")
+  ),
+  tag = "Payments",
+  operation_id = "Get the Payment Intent details",
+  security(("api_key" = [])),
+)]
+#[cfg(feature = "v2")]
+pub fn payments_get_intent() {}
 /// Payments - Confirm Intent
 ///
 /// **Confirms a payment intent object with the payment method data**