feat(router): add payments incremental authorization api (#3038)

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

crates/data_models/src/payments.rs

@@ -52,4 +52,5 @@ pub struct PaymentIntent {
     pub surcharge_applicable: Option<bool>,
     pub request_incremental_authorization: storage_enums::RequestIncrementalAuthorization,
     pub incremental_authorization_allowed: Option<bool>,
+    pub authorization_count: Option<i32>,
 }

crates/data_models/src/payments/payment_attempt.rs

@@ -359,6 +359,10 @@ pub enum PaymentAttemptUpdate {
         connector: Option<String>,
         updated_by: String,
     },
+    IncrementalAuthorizationAmountUpdate {
+        amount: i64,
+        amount_capturable: i64,
+    },
 }
 
 impl ForeignIDRef for PaymentAttempt {

crates/data_models/src/payments/payment_intent.rs

@@ -109,6 +109,7 @@ pub struct PaymentIntentNew {
     pub surcharge_applicable: Option<bool>,
     pub request_incremental_authorization: storage_enums::RequestIncrementalAuthorization,
     pub incremental_authorization_allowed: Option<bool>,
+    pub authorization_count: Option<i32>,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -186,6 +187,12 @@ pub enum PaymentIntentUpdate {
         surcharge_applicable: bool,
         updated_by: String,
     },
+    IncrementalAuthorizationAmountUpdate {
+        amount: i64,
+    },
+    AuthorizationCountUpdate {
+        authorization_count: i32,
+    },
 }
 
 #[derive(Clone, Debug, Default)]
@@ -218,6 +225,7 @@ pub struct PaymentIntentUpdateInternal {
     pub updated_by: String,
     pub surcharge_applicable: Option<bool>,
     pub incremental_authorization_allowed: Option<bool>,
+    pub authorization_count: Option<i32>,
 }
 
 impl From<PaymentIntentUpdate> for PaymentIntentUpdateInternal {
@@ -381,6 +389,16 @@ impl From<PaymentIntentUpdate> for PaymentIntentUpdateInternal {
                 updated_by,
                 ..Default::default()
             },
+            PaymentIntentUpdate::IncrementalAuthorizationAmountUpdate { amount } => Self {
+                amount: Some(amount),
+                ..Default::default()
+            },
+            PaymentIntentUpdate::AuthorizationCountUpdate {
+                authorization_count,
+            } => Self {
+                authorization_count: Some(authorization_count),
+                ..Default::default()
+            },
         }
     }
 }