feat(connector): [SHIFT4] Pass metadata to connector

crates/hyperswitch_connectors/src/connectors/shift4/transformers.rs

@@ -43,6 +43,7 @@ trait Shift4AuthorizePreprocessingCommon {
     fn get_email_optional(&self) -> Option<pii::Email>;
     fn get_complete_authorize_url(&self) -> Option<String>;
     fn get_currency_required(&self) -> Result<enums::Currency, Error>;
+    fn get_metadata(&self) -> Result<Option<serde_json::Value>, Error>;
     fn get_payment_method_data_required(&self) -> Result<PaymentMethodData, Error>;
 }
 
@@ -88,6 +89,12 @@ impl Shift4AuthorizePreprocessingCommon for PaymentsAuthorizeData {
     fn get_router_return_url(&self) -> Option<String> {
         self.router_return_url.clone()
     }
+
+    fn get_metadata(
+        &self,
+    ) -> Result<Option<serde_json::Value>, error_stack::Report<errors::ConnectorError>> {
+        Ok(self.metadata.clone())
+    }
 }
 
 impl Shift4AuthorizePreprocessingCommon for PaymentsPreProcessingData {
@@ -117,12 +124,18 @@ impl Shift4AuthorizePreprocessingCommon for PaymentsPreProcessingData {
     fn get_router_return_url(&self) -> Option<String> {
         self.router_return_url.clone()
     }
+    fn get_metadata(
+        &self,
+    ) -> Result<Option<serde_json::Value>, error_stack::Report<errors::ConnectorError>> {
+        Ok(None)
+    }
 }
 #[derive(Debug, Serialize)]
 pub struct Shift4PaymentsRequest {
     amount: MinorUnit,
     currency: enums::Currency,
     captured: bool,
+    metadata: Option<serde_json::Value>,
     #[serde(flatten)]
     payment_method: Shift4PaymentMethod,
 }
@@ -275,11 +288,13 @@ where
         let submit_for_settlement = item.router_data.request.is_automatic_capture()?;
         let amount = item.amount.to_owned();
         let currency = item.router_data.request.get_currency_required()?;
+        let metadata = item.router_data.request.get_metadata()?;
         let payment_method = Shift4PaymentMethod::try_from(item.router_data)?;
         Ok(Self {
             amount,
             currency,
             captured: submit_for_settlement,
+            metadata,
             payment_method,
         })
     }
@@ -641,9 +656,11 @@ impl<T> TryFrom<&Shift4RouterData<&RouterData<T, CompleteAuthorizeData, Payments
             Some(PaymentMethodData::Card(_)) => {
                 let card_token: Shift4CardToken =
                     to_connector_meta(item.router_data.request.connector_meta.clone())?;
+                let metadata = item.router_data.request.metadata.clone();
                 Ok(Self {
                     amount: item.amount.to_owned(),
                     currency: item.router_data.request.currency,
+                    metadata,
                     payment_method: Shift4PaymentMethod::CardsNon3DSRequest(Box::new(
                         CardsNon3DSRequest {
                             card: CardPayment::CardToken(card_token.id),