feat(payment_methods): add external_vault_details for payments v2 sdk session call (#8003)

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

crates/api_models/src/admin.rs

@@ -287,6 +287,10 @@ pub struct ExternalVaultConnectorDetails {
     /// Merchant Connector id to be stored for vault connector
     #[schema(value_type = Option<String>)]
     pub vault_connector_id: id_type::MerchantConnectorAccountId,
+
+    /// External vault to be used for storing payment method information
+    #[schema(value_type = Option<VaultSdk>)]
+    pub vault_sdk: Option<common_enums::VaultSdk>,
 }
 
 #[derive(Clone, Debug, Deserialize, Serialize, ToSchema)]

crates/api_models/src/enums.rs

@@ -175,12 +175,14 @@ pub enum BillingConnectors {
 #[strum(serialize_all = "snake_case")]
 pub enum VaultConnectors {
     Vgs,
+    HyperswitchVault,
 }
 
 impl From<VaultConnectors> for Connector {
     fn from(value: VaultConnectors) -> Self {
         match value {
             VaultConnectors::Vgs => Self::Vgs,
+            VaultConnectors::HyperswitchVault => Self::HyperswitchVault,
         }
     }
 }

crates/api_models/src/payments.rs

@@ -7004,6 +7004,38 @@ pub enum SessionToken {
     NoSessionTokenReceived,
 }
 
+#[derive(Debug, Clone, Eq, PartialEq, serde::Serialize, ToSchema)]
+#[serde(rename_all = "snake_case")]
+pub enum VaultSessionDetails {
+    Vgs(VgsSessionDetails),
+    HyperswitchVault(HyperswitchVaultSessionDetails),
+}
+
+#[derive(Debug, Clone, Eq, PartialEq, serde::Serialize, ToSchema)]
+pub struct VgsSessionDetails {
+    /// The identifier of the external vault
+    #[schema(value_type = String)]
+    pub external_vault_id: Secret<String>,
+    /// The environment for the external vault initiation
+    pub sdk_env: String,
+}
+
+#[derive(Debug, Clone, Eq, PartialEq, serde::Serialize, ToSchema)]
+pub struct HyperswitchVaultSessionDetails {
+    /// Session ID for Hyperswitch Vault
+    #[schema(value_type = String)]
+    pub payment_method_session_id: Secret<String>,
+    /// Client secret for Hyperswitch Vault
+    #[schema(value_type = String)]
+    pub client_secret: Secret<String>,
+    /// Publishable key for Hyperswitch Vault
+    #[schema(value_type = String)]
+    pub publishable_key: Secret<String>,
+    /// Profile ID for Hyperswitch Vault
+    #[schema(value_type = String)]
+    pub profile_id: Secret<String>,
+}
+
 #[derive(Debug, Clone, Eq, PartialEq, serde::Serialize, ToSchema)]
 #[serde(rename_all = "lowercase")]
 pub struct PazeSessionTokenResponse {
@@ -7392,6 +7424,8 @@ pub struct PaymentsSessionResponse {
     pub payment_id: id_type::GlobalPaymentId,
     /// The list of session token object
     pub session_token: Vec<SessionToken>,
+    /// External vault session details
+    pub vault_details: Option<VaultSessionDetails>,
 }
 
 #[derive(Default, Debug, serde::Deserialize, serde::Serialize, Clone, ToSchema)]