feat(connector): [Adyen] implement BACS Direct Debits for Adyen (#1159)

Co-authored-by: Arjun Karthik <m.arjunkarthik@gmail.com>

crates/api_models/src/payments.rs

@@ -524,6 +524,9 @@ pub enum BankDebitData {
         /// Sort code for Bacs payment method
         #[schema(value_type = String, example = "108800")]
         sort_code: Secret<String>,
+        /// holder name for bank debit
+        #[schema(value_type = String, example = "A. Schneider")]
+        bank_account_holder_name: Option<Secret<String>>,
     },
 }
 

crates/router/src/connector/adyen/transformers.rs

@@ -282,6 +282,7 @@ pub enum AdyenPaymentMethod<'a> {
     AchDirectDebit(Box<AchDirectDebitData>),
     #[serde(rename = "sepadirectdebit")]
     SepaDirectDebit(Box<SepaDirectDebitData>),
+    BacsDirectDebit(Box<BacsDirectDebitData>),
 }
 
 #[derive(Debug, Clone, Serialize)]
@@ -303,6 +304,16 @@ pub struct SepaDirectDebitData {
     iban_number: Secret<String>,
 }
 
+#[derive(Debug, Clone, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct BacsDirectDebitData {
+    #[serde(rename = "type")]
+    payment_type: PaymentType,
+    bank_account_number: Secret<String>,
+    bank_location_id: Secret<String>,
+    holder_name: Secret<String>,
+}
+
 #[derive(Debug, Clone, Serialize)]
 #[serde(rename_all = "camelCase")]
 pub struct MandateData {
@@ -676,6 +687,8 @@ pub enum PaymentType {
     #[serde(rename = "ach")]
     AchDirectDebit,
     SepaDirectDebit,
+    #[serde(rename = "directdebit_GB")]
+    BacsDirectDebit,
 }
 
 pub struct AdyenTestBankNames<'a>(&'a str);
@@ -982,6 +995,23 @@ impl<'a> TryFrom<&api_models::payments::BankDebitData> for AdyenPaymentMethod<'a
                     iban_number: iban.clone(),
                 },
             ))),
+            payments::BankDebitData::BacsBankDebit {
+                account_number,
+                sort_code,
+                bank_account_holder_name,
+                ..
+            } => Ok(AdyenPaymentMethod::BacsDirectDebit(Box::new(
+                BacsDirectDebitData {
+                    payment_type: PaymentType::BacsDirectDebit,
+                    bank_account_number: account_number.clone(),
+                    bank_location_id: sort_code.clone(),
+                    holder_name: bank_account_holder_name.clone().ok_or(
+                        errors::ConnectorError::MissingRequiredField {
+                            field_name: "bank_account_holder_name",
+                        },
+                    )?,
+                },
+            ))),
             _ => Err(errors::ConnectorError::NotImplemented("Payment method".to_string()).into()),
         }
     }

crates/router/src/connector/stripe/transformers.rs

@@ -827,6 +827,7 @@ fn get_bank_debit_data(
             billing_details,
             account_number,
             sort_code,
+            ..
         } => {
             let bacs_data = BankDebitData::Bacs {
                 account_number: account_number.to_owned(),