feat(connector): [ACI] implement Card Mandates for ACI (#1174)

crates/router/src/connector/aci.rs

@@ -5,6 +5,7 @@ use std::fmt::Debug;
 use error_stack::{IntoReport, ResultExt};
 use transformers as aci;
 
+use super::utils::PaymentsAuthorizeRequestData;
 use crate::{
     configs::settings,
     core::errors::{self, CustomResult},
@@ -245,10 +246,17 @@ impl
 
     fn get_url(
         &self,
-        _req: &types::PaymentsAuthorizeRouterData,
+        req: &types::PaymentsAuthorizeRouterData,
         connectors: &settings::Connectors,
     ) -> CustomResult<String, errors::ConnectorError> {
-        Ok(format!("{}{}", self.base_url(connectors), "v1/payments"))
+        match req.request.connector_mandate_id() {
+            Some(mandate_id) => Ok(format!(
+                "{}v1/registrations/{}/payments",
+                self.base_url(connectors),
+                mandate_id
+            )),
+            _ => Ok(format!("{}{}", self.base_url(connectors), "v1/payments")),
+        }
     }
 
     fn get_request_body(

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

@@ -1,5 +1,6 @@
 use std::str::FromStr;
 
+use api_models::enums::BankNames;
 use common_utils::pii::Email;
 use error_stack::report;
 use masking::Secret;
@@ -8,12 +9,14 @@ use serde::{Deserialize, Serialize};
 
 use super::result_codes::{FAILURE_CODES, PENDING_CODES, SUCCESSFUL_CODES};
 use crate::{
-    connector::utils,
+    connector::utils::{self, RouterData},
     core::errors,
     services,
     types::{self, api, storage::enums},
 };
 
+type Error = error_stack::Report<errors::ConnectorError>;
+
 pub struct AciAuthType {
     pub api_key: String,
     pub entity_id: String,
@@ -36,12 +39,22 @@ impl TryFrom<&types::ConnectorAuthType> for AciAuthType {
 #[derive(Debug, Serialize)]
 #[serde(rename_all = "camelCase")]
 pub struct AciPaymentsRequest {
+    #[serde(flatten)]
+    pub txn_details: TransactionDetails,
+    #[serde(flatten)]
+    pub payment_method: PaymentDetails,
+    #[serde(flatten)]
+    pub instruction: Option<Instruction>,
+    pub shopper_result_url: Option<String>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct TransactionDetails {
     pub entity_id: String,
     pub amount: String,
     pub currency: String,
     pub payment_type: AciPaymentType,
-    #[serde(flatten)]
-    pub payment_method: PaymentDetails,
 }
 
 #[derive(Debug, Serialize)]
@@ -59,6 +72,160 @@ pub enum PaymentDetails {
     BankRedirect(Box<BankRedirectionPMData>),
     Wallet(Box<WalletPMData>),
     Klarna,
+    Mandate,
+}
+
+impl TryFrom<&api_models::payments::WalletData> for PaymentDetails {
+    type Error = Error;
+    fn try_from(wallet_data: &api_models::payments::WalletData) -> Result<Self, Self::Error> {
+        let payment_data = match wallet_data {
+            api_models::payments::WalletData::MbWayRedirect(data) => {
+                Self::Wallet(Box::new(WalletPMData {
+                    payment_brand: PaymentBrand::Mbway,
+                    account_id: Some(data.telephone_number.clone()),
+                }))
+            }
+            api_models::payments::WalletData::AliPayRedirect { .. } => {
+                Self::Wallet(Box::new(WalletPMData {
+                    payment_brand: PaymentBrand::AliPay,
+                    account_id: None,
+                }))
+            }
+            _ => Err(errors::ConnectorError::NotImplemented(
+                "Payment method".to_string(),
+            ))?,
+        };
+        Ok(payment_data)
+    }
+}
+
+impl
+    TryFrom<(
+        &types::PaymentsAuthorizeRouterData,
+        &api_models::payments::BankRedirectData,
+    )> for PaymentDetails
+{
+    type Error = Error;
+    fn try_from(
+        value: (
+            &types::PaymentsAuthorizeRouterData,
+            &api_models::payments::BankRedirectData,
+        ),
+    ) -> Result<Self, Self::Error> {
+        let (item, bank_redirect_data) = value;
+        let payment_data = match bank_redirect_data {
+            api_models::payments::BankRedirectData::Eps { .. } => {
+                Self::BankRedirect(Box::new(BankRedirectionPMData {
+                    payment_brand: PaymentBrand::Eps,
+                    bank_account_country: Some(api_models::enums::CountryAlpha2::AT),
+                    bank_account_bank_name: None,
+                    bank_account_bic: None,
+                    bank_account_iban: None,
+                    billing_country: None,
+                    merchant_customer_id: None,
+                    merchant_transaction_id: None,
+                    customer_email: None,
+                }))
+            }
+            api_models::payments::BankRedirectData::Giropay {
+                bank_account_bic,
+                bank_account_iban,
+                ..
+            } => Self::BankRedirect(Box::new(BankRedirectionPMData {
+                payment_brand: PaymentBrand::Giropay,
+                bank_account_country: Some(api_models::enums::CountryAlpha2::DE),
+                bank_account_bank_name: None,
+                bank_account_bic: bank_account_bic.clone(),
+                bank_account_iban: bank_account_iban.clone(),
+                billing_country: None,
+                merchant_customer_id: None,
+                merchant_transaction_id: None,
+                customer_email: None,
+            })),
+            api_models::payments::BankRedirectData::Ideal { bank_name, .. } => {
+                Self::BankRedirect(Box::new(BankRedirectionPMData {
+                    payment_brand: PaymentBrand::Ideal,
+                    bank_account_country: Some(api_models::enums::CountryAlpha2::NL),
+                    bank_account_bank_name: bank_name.to_owned(),
+                    bank_account_bic: None,
+                    bank_account_iban: None,
+                    billing_country: None,
+                    merchant_customer_id: None,
+                    merchant_transaction_id: None,
+                    customer_email: None,
+                }))
+            }
+            api_models::payments::BankRedirectData::Sofort { country, .. } => {
+                Self::BankRedirect(Box::new(BankRedirectionPMData {
+                    payment_brand: PaymentBrand::Sofortueberweisung,
+                    bank_account_country: Some(country.to_owned()),
+                    bank_account_bank_name: None,
+                    bank_account_bic: None,
+                    bank_account_iban: None,
+                    billing_country: None,
+                    merchant_customer_id: None,
+                    merchant_transaction_id: None,
+                    customer_email: None,
+                }))
+            }
+            api_models::payments::BankRedirectData::Przelewy24 {
+                billing_details, ..
+            } => Self::BankRedirect(Box::new(BankRedirectionPMData {
+                payment_brand: PaymentBrand::Przelewy,
+                bank_account_country: None,
+                bank_account_bank_name: None,
+                bank_account_bic: None,
+                bank_account_iban: None,
+                billing_country: None,
+                merchant_customer_id: None,
+                merchant_transaction_id: None,
+                customer_email: billing_details.email.to_owned(),
+            })),
+            api_models::payments::BankRedirectData::Interac { email, country } => {
+                Self::BankRedirect(Box::new(BankRedirectionPMData {
+                    payment_brand: PaymentBrand::InteracOnline,
+                    bank_account_country: Some(country.to_owned()),
+                    bank_account_bank_name: None,
+                    bank_account_bic: None,
+                    bank_account_iban: None,
+                    billing_country: None,
+                    merchant_customer_id: None,
+                    merchant_transaction_id: None,
+                    customer_email: Some(email.to_owned()),
+                }))
+            }
+            api_models::payments::BankRedirectData::Trustly { country } => {
+                Self::BankRedirect(Box::new(BankRedirectionPMData {
+                    payment_brand: PaymentBrand::Trustly,
+                    bank_account_country: None,
+                    bank_account_bank_name: None,
+                    bank_account_bic: None,
+                    bank_account_iban: None,
+                    billing_country: Some(country.to_owned()),
+                    merchant_customer_id: Some(Secret::new(item.get_customer_id()?)),
+                    merchant_transaction_id: Some(Secret::new(item.payment_id.clone())),
+                    customer_email: None,
+                }))
+            }
+            _ => Err(errors::ConnectorError::NotImplemented(
+                "Payment method".to_string(),
+            ))?,
+        };
+        Ok(payment_data)
+    }
+}
+
+impl TryFrom<api_models::payments::Card> for PaymentDetails {
+    type Error = Error;
+    fn try_from(card_data: api_models::payments::Card) -> Result<Self, Self::Error> {
+        Ok(Self::AciCard(Box::new(CardDetails {
+            card_number: card_data.card_number,
+            card_holder: card_data.card_holder_name,
+            card_expiry_month: card_data.card_exp_month,
+            card_expiry_year: card_data.card_exp_year,
+            card_cvv: card_data.card_cvc,
+        })))
+    }
 }
 
 #[derive(Debug, Clone, Serialize)]
@@ -68,7 +235,7 @@ pub struct BankRedirectionPMData {
     #[serde(rename = "bankAccount.country")]
     bank_account_country: Option<api_models::enums::CountryAlpha2>,
     #[serde(rename = "bankAccount.bankName")]
-    bank_account_bank_name: Option<String>,
+    bank_account_bank_name: Option<BankNames>,
     #[serde(rename = "bankAccount.bic")]
     bank_account_bic: Option<Secret<String>>,
     #[serde(rename = "bankAccount.iban")]
@@ -80,7 +247,6 @@ pub struct BankRedirectionPMData {
     #[serde(rename = "customer.merchantCustomerId")]
     merchant_customer_id: Option<Secret<String>>,
     merchant_transaction_id: Option<Secret<String>>,
-    shopper_result_url: Option<String>,
 }
 
 #[derive(Debug, Clone, Serialize)]
@@ -89,7 +255,6 @@ pub struct WalletPMData {
     payment_brand: PaymentBrand,
     #[serde(rename = "virtualAccount.accountId")]
     account_id: Option<Secret<String>>,
-    shopper_result_url: Option<String>,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -121,6 +286,43 @@ pub struct CardDetails {
     pub card_cvv: Secret<String>,
 }
 
+#[derive(Debug, Clone, Serialize)]
+#[serde(rename_all = "UPPERCASE")]
+pub enum InstructionMode {
+    Initial,
+    Repeated,
+}
+
+#[derive(Debug, Clone, Serialize)]
+#[serde(rename_all = "UPPERCASE")]
+pub enum InstructionType {
+    Unscheduled,
+}
+
+#[derive(Debug, Clone, Serialize)]
+#[serde(rename_all = "UPPERCASE")]
+pub enum InstructionSource {
+    // Cardholder initiated transaction
+    Cit,
+    // Merchant initiated transaction
+    Mit,
+}
+
+#[derive(Debug, Clone, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct Instruction {
+    #[serde(rename = "standingInstruction.mode")]
+    mode: InstructionMode,
+
+    #[serde(rename = "standingInstruction.type")]
+    transaction_type: InstructionType,
+
+    #[serde(rename = "standingInstruction.source")]
+    source: InstructionSource,
+
+    create_registration: Option<bool>,
+}
+
 #[derive(Debug, Clone, Eq, PartialEq, Serialize)]
 pub struct BankDetails {
     #[serde(rename = "bankAccount.holder")]
@@ -128,7 +330,7 @@ pub struct BankDetails {
 }
 
 #[allow(dead_code)]
-#[derive(Debug, Default, Clone, Eq, PartialEq, Serialize)]
+#[derive(Debug, Default, Clone, Eq, PartialEq, Serialize, Deserialize)]
 pub enum AciPaymentType {
     #[serde(rename = "PA")]
     Preauthorization,
@@ -148,177 +350,187 @@ pub enum AciPaymentType {
 impl TryFrom<&types::PaymentsAuthorizeRouterData> for AciPaymentsRequest {
     type Error = error_stack::Report<errors::ConnectorError>;
     fn try_from(item: &types::PaymentsAuthorizeRouterData) -> Result<Self, Self::Error> {
-        let payment_details: PaymentDetails = match item.request.payment_method_data.clone() {
+        match item.request.payment_method_data.clone() {
-            api::PaymentMethodData::Card(ccard) => PaymentDetails::AciCard(Box::new(CardDetails {
+            api::PaymentMethodData::Card(ref card_data) => Self::try_from((item, card_data)),
-                card_number: ccard.card_number,
+            api::PaymentMethodData::Wallet(ref wallet_data) => Self::try_from((item, wallet_data)),
-                card_holder: ccard.card_holder_name,
+            api::PaymentMethodData::PayLater(ref pay_later_data) => {
-                card_expiry_month: ccard.card_exp_month,
+                Self::try_from((item, pay_later_data))
-                card_expiry_year: ccard.card_exp_year,
-                card_cvv: ccard.card_cvc,
-            })),
-            api::PaymentMethodData::PayLater(_) => PaymentDetails::Klarna,
-            api::PaymentMethodData::Wallet(ref wallet_data) => match wallet_data {
-                api_models::payments::WalletData::MbWayRedirect(data) => {
-                    PaymentDetails::Wallet(Box::new(WalletPMData {
-                        payment_brand: PaymentBrand::Mbway,
-                        account_id: Some(data.telephone_number.clone()),
-                        shopper_result_url: item.request.router_return_url.clone(),
-                    }))
             }
-                api_models::payments::WalletData::AliPayRedirect { .. } => {
+            api::PaymentMethodData::BankRedirect(ref bank_redirect_data) => {
-                    PaymentDetails::Wallet(Box::new(WalletPMData {
+                Self::try_from((item, bank_redirect_data))
-                        payment_brand: PaymentBrand::AliPay,
-                        account_id: None,
-                        shopper_result_url: item.request.router_return_url.clone(),
-                    }))
             }
-                _ => Err(errors::ConnectorError::NotImplemented(
+            api::PaymentMethodData::MandatePayment => {
-                    "Payment method".to_string(),
+                let mandate_id = item.request.mandate_id.clone().ok_or(
-                ))?,
-            },
-            api::PaymentMethodData::BankRedirect(ref redirect_banking_data) => {
-                match redirect_banking_data {
-                    api_models::payments::BankRedirectData::Eps { .. } => {
-                        PaymentDetails::BankRedirect(Box::new(BankRedirectionPMData {
-                            payment_brand: PaymentBrand::Eps,
-                            bank_account_country: Some(api_models::enums::CountryAlpha2::AT),
-                            bank_account_bank_name: None,
-                            bank_account_bic: None,
-                            bank_account_iban: None,
-                            billing_country: None,
-                            merchant_customer_id: None,
-                            merchant_transaction_id: None,
-                            customer_email: None,
-                            shopper_result_url: item.request.router_return_url.clone(),
-                        }))
-                    }
-                    api_models::payments::BankRedirectData::Giropay {
-                        bank_account_bic,
-                        bank_account_iban,
-                        ..
-                    } => PaymentDetails::BankRedirect(Box::new(BankRedirectionPMData {
-                        payment_brand: PaymentBrand::Giropay,
-                        bank_account_country: Some(api_models::enums::CountryAlpha2::DE),
-                        bank_account_bank_name: None,
-                        bank_account_bic: bank_account_bic.clone(),
-                        bank_account_iban: bank_account_iban.clone(),
-                        billing_country: None,
-                        merchant_customer_id: None,
-                        merchant_transaction_id: None,
-                        customer_email: None,
-                        shopper_result_url: item.request.router_return_url.clone(),
-                    })),
-                    api_models::payments::BankRedirectData::Ideal { bank_name, .. } => {
-                        PaymentDetails::BankRedirect(Box::new(BankRedirectionPMData {
-                            payment_brand: PaymentBrand::Ideal,
-                            bank_account_country: Some(api_models::enums::CountryAlpha2::NL),
-                            bank_account_bank_name: bank_name
-                                .map(|bank_name| bank_name.to_string()),
-                            bank_account_bic: None,
-                            bank_account_iban: None,
-                            billing_country: None,
-                            merchant_customer_id: None,
-                            merchant_transaction_id: None,
-                            customer_email: None,
-                            shopper_result_url: item.request.router_return_url.clone(),
-                        }))
-                    }
-                    api_models::payments::BankRedirectData::Sofort { country, .. } => {
-                        PaymentDetails::BankRedirect(Box::new(BankRedirectionPMData {
-                            payment_brand: PaymentBrand::Sofortueberweisung,
-                            bank_account_country: Some(*country),
-                            bank_account_bank_name: None,
-                            bank_account_bic: None,
-                            bank_account_iban: None,
-                            billing_country: None,
-                            merchant_customer_id: None,
-                            merchant_transaction_id: None,
-                            customer_email: None,
-                            shopper_result_url: item.request.router_return_url.clone(),
-                        }))
-                    }
-
-                    api_models::payments::BankRedirectData::Przelewy24 {
-                        billing_details, ..
-                    } => PaymentDetails::BankRedirect(Box::new(BankRedirectionPMData {
-                        payment_brand: PaymentBrand::Przelewy,
-                        bank_account_country: None,
-                        bank_account_bank_name: None,
-                        bank_account_bic: None,
-                        bank_account_iban: None,
-                        billing_country: None,
-                        merchant_customer_id: None,
-                        merchant_transaction_id: None,
-                        customer_email: billing_details.email.clone(),
-                        shopper_result_url: item.request.router_return_url.clone(),
-                    })),
-
-                    api_models::payments::BankRedirectData::Interac { email, country } => {
-                        PaymentDetails::BankRedirect(Box::new(BankRedirectionPMData {
-                            payment_brand: PaymentBrand::InteracOnline,
-                            bank_account_country: Some(*country),
-                            bank_account_bank_name: None,
-                            bank_account_bic: None,
-                            bank_account_iban: None,
-                            billing_country: None,
-                            merchant_customer_id: None,
-                            merchant_transaction_id: None,
-                            customer_email: Some(email.to_owned()),
-                            shopper_result_url: item.request.router_return_url.clone(),
-                        }))
-                    }
-
-                    api_models::payments::BankRedirectData::Trustly { country } => {
-                        PaymentDetails::BankRedirect(Box::new(BankRedirectionPMData {
-                            payment_brand: PaymentBrand::Trustly,
-                            bank_account_country: None,
-                            bank_account_bank_name: None,
-                            bank_account_bic: None,
-                            bank_account_iban: None,
-                            billing_country: Some(*country),
-                            merchant_customer_id: Some(Secret::new(
-                                item.customer_id.clone().ok_or(
                     errors::ConnectorError::MissingRequiredField {
-                                        field_name: "customer_id",
+                        field_name: "mandate_id",
                     },
-                                )?,
+                )?;
-                            )),
+                Self::try_from((item, mandate_id))
-                            merchant_transaction_id: Some(Secret::new(item.payment_id.clone())),
-                            customer_email: None,
-                            shopper_result_url: item.request.router_return_url.clone(),
-                        }))
             }
-
-                    _ => Err(errors::ConnectorError::NotImplemented(
-                        "Payment method".to_string(),
-                    ))?,
-                }
-            }
-
             api::PaymentMethodData::Crypto(_)
             | api::PaymentMethodData::BankDebit(_)
             | api::PaymentMethodData::BankTransfer(_)
-            | api::PaymentMethodData::Reward(_)
+            | api::PaymentMethodData::Reward(_) => Err(errors::ConnectorError::NotSupported {
-            | api::PaymentMethodData::MandatePayment => {
-                Err(errors::ConnectorError::NotSupported {
                 message: format!("{:?}", item.payment_method),
                 connector: "Aci",
-                    payment_experience: api_models::enums::PaymentExperience::RedirectToUrl
+                payment_experience: api_models::enums::PaymentExperience::RedirectToUrl.to_string(),
-                        .to_string(),
+            })?,
-                })?
+        }
+    }
 }
-        };
 
+impl
+    TryFrom<(
+        &types::PaymentsAuthorizeRouterData,
+        &api_models::payments::WalletData,
+    )> for AciPaymentsRequest
+{
+    type Error = Error;
+    fn try_from(
+        value: (
+            &types::PaymentsAuthorizeRouterData,
+            &api_models::payments::WalletData,
+        ),
+    ) -> Result<Self, Self::Error> {
+        let (item, wallet_data) = value;
+        let txn_details = get_transaction_details(item)?;
+        let payment_method = PaymentDetails::try_from(wallet_data)?;
+
+        Ok(Self {
+            txn_details,
+            payment_method,
+            instruction: None,
+            shopper_result_url: item.request.router_return_url.clone(),
+        })
+    }
+}
+
+impl
+    TryFrom<(
+        &types::PaymentsAuthorizeRouterData,
+        &api_models::payments::BankRedirectData,
+    )> for AciPaymentsRequest
+{
+    type Error = Error;
+    fn try_from(
+        value: (
+            &types::PaymentsAuthorizeRouterData,
+            &api_models::payments::BankRedirectData,
+        ),
+    ) -> Result<Self, Self::Error> {
+        let (item, bank_redirect_data) = value;
+        let txn_details = get_transaction_details(item)?;
+        let payment_method = PaymentDetails::try_from((item, bank_redirect_data))?;
+
+        Ok(Self {
+            txn_details,
+            payment_method,
+            instruction: None,
+            shopper_result_url: item.request.router_return_url.clone(),
+        })
+    }
+}
+
+impl
+    TryFrom<(
+        &types::PaymentsAuthorizeRouterData,
+        &api_models::payments::PayLaterData,
+    )> for AciPaymentsRequest
+{
+    type Error = Error;
+    fn try_from(
+        value: (
+            &types::PaymentsAuthorizeRouterData,
+            &api_models::payments::PayLaterData,
+        ),
+    ) -> Result<Self, Self::Error> {
+        let (item, _pay_later_data) = value;
+        let txn_details = get_transaction_details(item)?;
+        let payment_method = PaymentDetails::Klarna;
+
+        Ok(Self {
+            txn_details,
+            payment_method,
+            instruction: None,
+            shopper_result_url: item.request.router_return_url.clone(),
+        })
+    }
+}
+
+impl TryFrom<(&types::PaymentsAuthorizeRouterData, &api::Card)> for AciPaymentsRequest {
+    type Error = Error;
+    fn try_from(
+        value: (&types::PaymentsAuthorizeRouterData, &api::Card),
+    ) -> Result<Self, Self::Error> {
+        let (item, card_data) = value;
+        let txn_details = get_transaction_details(item)?;
+        let payment_method = PaymentDetails::try_from(card_data.clone())?;
+        let instruction = get_instruction_details(item);
+
+        Ok(Self {
+            txn_details,
+            payment_method,
+            instruction,
+            shopper_result_url: None,
+        })
+    }
+}
+
+impl
+    TryFrom<(
+        &types::PaymentsAuthorizeRouterData,
+        api_models::payments::MandateIds,
+    )> for AciPaymentsRequest
+{
+    type Error = Error;
+    fn try_from(
+        value: (
+            &types::PaymentsAuthorizeRouterData,
+            api_models::payments::MandateIds,
+        ),
+    ) -> Result<Self, Self::Error> {
+        let (item, _mandate_data) = value;
+        let instruction = get_instruction_details(item);
+        let txn_details = get_transaction_details(item)?;
+
+        Ok(Self {
+            txn_details,
+            payment_method: PaymentDetails::Mandate,
+            instruction,
+            shopper_result_url: item.request.router_return_url.clone(),
+        })
+    }
+}
+
+fn get_transaction_details(
+    item: &types::PaymentsAuthorizeRouterData,
+) -> Result<TransactionDetails, error_stack::Report<errors::ConnectorError>> {
     let auth = AciAuthType::try_from(&item.connector_auth_type)?;
-        let aci_payment_request = Self {
+    Ok(TransactionDetails {
-            payment_method: payment_details,
         entity_id: auth.entity_id,
         amount: utils::to_currency_base_unit(item.request.amount, item.request.currency)?,
         currency: item.request.currency.to_string(),
         payment_type: AciPaymentType::Debit,
-        };
+    })
-        Ok(aci_payment_request)
 }
+
+fn get_instruction_details(item: &types::PaymentsAuthorizeRouterData) -> Option<Instruction> {
+    if item.request.setup_mandate_details.is_some() {
+        return Some(Instruction {
+            mode: InstructionMode::Initial,
+            transaction_type: InstructionType::Unscheduled,
+            source: InstructionSource::Cit,
+            create_registration: Some(true),
+        });
+    } else if item.request.mandate_id.is_some() {
+        return Some(Instruction {
+            mode: InstructionMode::Repeated,
+            transaction_type: InstructionType::Unscheduled,
+            source: InstructionSource::Mit,
+            create_registration: None,
+        });
+    }
+    None
 }
 
 impl TryFrom<&types::PaymentsCancelRouterData> for AciCancelRequest {
@@ -374,6 +586,7 @@ impl FromStr for AciPaymentStatus {
 #[serde(rename_all = "camelCase")]
 pub struct AciPaymentsResponse {
     id: String,
+    registration_id: Option<String>,
     // ndc is an internal unique identifier for the request.
     ndc: String,
     timestamp: String,
@@ -437,6 +650,14 @@ impl<F, T>
             }
         });
 
+        let mandate_reference = item
+            .response
+            .registration_id
+            .map(|id| types::MandateReference {
+                connector_mandate_id: Some(id),
+                payment_method_id: None,
+            });
+
         Ok(Self {
             status: {
                 if redirection_data.is_some() {
@@ -450,7 +671,7 @@ impl<F, T>
             response: Ok(types::PaymentsResponseData::TransactionResponse {
                 resource_id: types::ResponseId::ConnectorTransactionId(item.response.id),
                 redirection_data,
-                mandate_reference: None,
+                mandate_reference,
                 connector_metadata: None,
                 network_txn_id: None,
             }),

crates/router/src/core/errors.rs

@@ -267,6 +267,8 @@ pub enum ConnectorError {
     FlowNotSupported { flow: String, connector: String },
     #[error("Capture method not supported")]
     CaptureMethodNotSupported,
+    #[error("Missing connector mandate ID")]
+    MissingConnectorMandateID,
     #[error("Missing connector transaction ID")]
     MissingConnectorTransactionID,
     #[error("Missing connector refund ID")]