feat(payments): store and propagate additional wallet pm details in payments response (#5869)

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

crates/api_models/src/payments.rs

@@ -2046,6 +2046,7 @@ pub enum AdditionalPaymentData {
     },
     Wallet {
         apple_pay: Option<ApplepayPaymentMethod>,
+        google_pay: Option<additional_info::WalletAdditionalDataForCard>,
     },
     PayLater {
         klarna_sdk: Option<KlarnaSdkPaymentMethod>,
@@ -3069,7 +3070,7 @@ where
                 | PaymentMethodDataResponse::PayLater(_)
                 | PaymentMethodDataResponse::RealTimePayment(_)
                 | PaymentMethodDataResponse::Upi(_)
-                | PaymentMethodDataResponse::Wallet {}
+                | PaymentMethodDataResponse::Wallet(_)
                 | PaymentMethodDataResponse::BankTransfer(_)
                 | PaymentMethodDataResponse::OpenBanking(_)
                 | PaymentMethodDataResponse::Voucher(_) => {
@@ -3090,7 +3091,7 @@ where
 pub enum PaymentMethodDataResponse {
     Card(Box<CardResponse>),
     BankTransfer(Box<BankTransferResponse>),
-    Wallet {},
+    Wallet(Box<WalletResponse>),
     PayLater(Box<PaylaterResponse>),
     BankRedirect(Box<BankRedirectResponse>),
     Crypto(Box<CryptoResponse>),
@@ -3187,6 +3188,21 @@ pub struct PaylaterResponse {
     klarna_sdk: Option<KlarnaSdkPaymentMethodResponse>,
 }
 
+#[derive(Eq, PartialEq, Clone, Debug, serde::Serialize, serde::Deserialize, ToSchema)]
+pub struct WalletResponse {
+    #[serde(flatten)]
+    details: Option<WalletResponseData>,
+}
+
+#[derive(Debug, Clone, Eq, PartialEq, serde::Deserialize, serde::Serialize, ToSchema)]
+#[serde(rename_all = "snake_case")]
+pub enum WalletResponseData {
+    #[schema(value_type = WalletAdditionalDataForCard)]
+    ApplePay(Box<additional_info::WalletAdditionalDataForCard>),
+    #[schema(value_type = WalletAdditionalDataForCard)]
+    GooglePay(Box<additional_info::WalletAdditionalDataForCard>),
+}
+
 #[derive(Debug, Clone, Eq, PartialEq, serde::Deserialize, serde::Serialize, ToSchema)]
 
 pub struct KlarnaSdkPaymentMethodResponse {
@@ -4422,7 +4438,33 @@ impl From<AdditionalPaymentData> for PaymentMethodDataResponse {
                 Some(sdk) => Self::PayLater(Box::new(PaylaterResponse::from(sdk))),
                 None => Self::PayLater(Box::new(PaylaterResponse { klarna_sdk: None })),
             },
-            AdditionalPaymentData::Wallet { .. } => Self::Wallet {},
+            AdditionalPaymentData::Wallet {
+                apple_pay,
+                google_pay,
+            } => match (apple_pay, google_pay) {
+                (Some(apple_pay_pm), _) => Self::Wallet(Box::new(WalletResponse {
+                    details: Some(WalletResponseData::ApplePay(Box::new(
+                        additional_info::WalletAdditionalDataForCard {
+                            last4: apple_pay_pm
+                                .display_name
+                                .clone()
+                                .chars()
+                                .rev()
+                                .take(4)
+                                .collect::<String>()
+                                .chars()
+                                .rev()
+                                .collect::<String>(),
+                            card_network: apple_pay_pm.network.clone(),
+                            card_type: apple_pay_pm.pm_type.clone(),
+                        },
+                    ))),
+                })),
+                (_, Some(google_pay_pm)) => Self::Wallet(Box::new(WalletResponse {
+                    details: Some(WalletResponseData::GooglePay(Box::new(google_pay_pm))),
+                })),
+                _ => Self::Wallet(Box::new(WalletResponse { details: None })),
+            },
             AdditionalPaymentData::BankRedirect { bank_name, details } => {
                 Self::BankRedirect(Box::new(BankRedirectResponse { bank_name, details }))
             }

crates/api_models/src/payments/additional_info.rs

@@ -205,9 +205,19 @@ pub enum UpiAdditionalData {
 }
 
 #[derive(Debug, Clone, Eq, PartialEq, serde::Deserialize, serde::Serialize, ToSchema)]
-#[serde(rename_all = "snake_case")]
 pub struct UpiCollectAdditionalData {
     /// Masked VPA ID
     #[schema(value_type = Option<String>, example = "ab********@okhdfcbank")]
     pub vpa_id: Option<MaskedUpiVpaId>,
 }
+
+#[derive(Debug, Clone, Eq, PartialEq, serde::Deserialize, serde::Serialize, ToSchema)]
+pub struct WalletAdditionalDataForCard {
+    /// Last 4 digits of the card number
+    pub last4: String,
+    /// The information of the payment method
+    pub card_network: String,
+    /// The type of payment method
+    #[serde(rename = "type")]
+    pub card_type: String,
+}