feat(connector): [Bluesnap] Add dispute webhooks support (#2053)

crates/common_enums/src/enums.rs

@@ -1,4 +1,4 @@
-use std::num::TryFromIntError;
+use std::num::{ParseFloatError, TryFromIntError};
 
 use router_derive;
 use serde::{Deserialize, Serialize};
@@ -342,6 +342,19 @@ impl Currency {
         Ok(amount)
     }
 
+    ///Convert the higher decimal amount to its base absolute units
+    pub fn to_currency_lower_unit(&self, amount: String) -> Result<String, ParseFloatError> {
+        let amount_f64 = amount.parse::<f64>()?;
+        let amount_string = if self.is_zero_decimal_currency() {
+            amount_f64
+        } else if self.is_three_decimal_currency() {
+            amount_f64 * 1000.00
+        } else {
+            amount_f64 * 100.00
+        };
+        Ok(amount_string.to_string())
+    }
+
     /// Convert the amount to its base denomination based on Currency and check for zero decimal currency and return String
     /// Paypal Connector accepts Zero and Two decimal currency but not three decimal and it should be updated as required for 3 decimal currencies.
     /// Paypal Ref - https://developer.paypal.com/docs/reports/reference/paypal-supported-currencies/

crates/router/src/connector/bluesnap.rs

@@ -1042,7 +1042,7 @@ impl api::IncomingWebhook for Bluesnap {
         let webhook_body: bluesnap::BluesnapWebhookBody =
             serde_urlencoded::from_bytes(request.body)
                 .into_report()
-                .change_context(errors::ConnectorError::WebhookSignatureNotFound)?;
+                .change_context(errors::ConnectorError::WebhookReferenceIdNotFound)?;
         Ok(api_models::webhooks::ObjectReferenceId::PaymentId(
             api_models::payments::PaymentIdType::PaymentAttemptId(
                 webhook_body.merchant_transaction_id,
@@ -1058,18 +1058,31 @@ impl api::IncomingWebhook for Bluesnap {
             serde_urlencoded::from_bytes(request.body)
                 .into_report()
                 .change_context(errors::ConnectorError::WebhookEventTypeNotFound)?;
+        api::IncomingWebhookEvent::try_from(details)
+    }
 
-        Ok(match details.transaction_type {
+    fn get_dispute_details(
-            bluesnap::BluesnapWebhookEvents::Decline
+        &self,
-            | bluesnap::BluesnapWebhookEvents::CcChargeFailed => {
+        request: &api::IncomingWebhookRequestDetails<'_>,
-                api::IncomingWebhookEvent::PaymentIntentFailure
+    ) -> CustomResult<api::disputes::DisputePayload, errors::ConnectorError> {
-            }
+        let dispute_details: bluesnap::BluesnapDisputeWebhookBody =
-            bluesnap::BluesnapWebhookEvents::Charge => {
+            serde_urlencoded::from_bytes(request.body)
-                api::IncomingWebhookEvent::PaymentIntentSuccess
+                .into_report()
-            }
+                .change_context(errors::ConnectorError::WebhookBodyDecodingFailed)?;
-            bluesnap::BluesnapWebhookEvents::Unknown => {
+        Ok(api::disputes::DisputePayload {
-                api::IncomingWebhookEvent::EventNotSupported
+            amount: connector_utils::to_currency_lower_unit(
-            }
+                dispute_details.invoice_charge_amount.abs().to_string(),
+                dispute_details.currency,
+            )?,
+            currency: dispute_details.currency.to_string(),
+            dispute_stage: api_models::enums::DisputeStage::Dispute,
+            connector_dispute_id: dispute_details.reversal_ref_num,
+            connector_reason: dispute_details.reversal_reason,
+            connector_reason_code: None,
+            challenge_required_by: None,
+            connector_status: dispute_details.cb_status,
+            created_at: None,
+            updated_at: None,
         })
     }
 
@@ -1092,8 +1105,18 @@ impl api::IncomingWebhook for Bluesnap {
                 bluesnap::BluesnapTxnType::Capture,
                 bluesnap::BluesnapProcessingStatus::Success,
             )),
+            bluesnap::BluesnapWebhookEvents::Chargeback
+            | bluesnap::BluesnapWebhookEvents::ChargebackStatusChanged => {
+                // returning the complete incoming webhook body, It won't be consumed in dispute flow, so currently does not hold any significance
+                let res_json =
+                    utils::Encode::<bluesnap::BluesnapWebhookObjectResource>::encode_to_value(
+                        &details,
+                    )
+                    .change_context(errors::ConnectorError::WebhookResourceObjectNotFound)?;
+                return Ok(res_json);
+            }
             bluesnap::BluesnapWebhookEvents::Unknown => {
-                Err(errors::ConnectorError::WebhookEventTypeNotFound)
+                Err(errors::ConnectorError::WebhookResourceObjectNotFound)
             }
         }?;
 

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

@@ -818,19 +818,76 @@ pub struct BluesnapWebhookBody {
 #[serde(rename_all = "camelCase")]
 pub struct BluesnapWebhookObjectEventType {
     pub transaction_type: BluesnapWebhookEvents,
+    pub cb_status: Option<BluesnapChargebackStatus>,
 }
 
 #[derive(Debug, Deserialize)]
 #[serde(rename_all = "SCREAMING_SNAKE_CASE")]
+pub enum BluesnapChargebackStatus {
+    #[serde(alias = "New")]
+    New,
+    #[serde(alias = "Working")]
+    Working,
+    #[serde(alias = "Closed")]
+    Closed,
+    #[serde(alias = "Completed_Lost")]
+    CompletedLost,
+    #[serde(alias = "Completed_Pending")]
+    CompletedPending,
+    #[serde(alias = "Completed_Won")]
+    CompletedWon,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "SCREAMING_SNAKE_CASE")]
 pub enum BluesnapWebhookEvents {
     Decline,
     CcChargeFailed,
     Charge,
+    Chargeback,
+    ChargebackStatusChanged,
     #[serde(other)]
     Unknown,
 }
+
+impl TryFrom<BluesnapWebhookObjectEventType> for api::IncomingWebhookEvent {
+    type Error = error_stack::Report<errors::ConnectorError>;
+    fn try_from(details: BluesnapWebhookObjectEventType) -> Result<Self, Self::Error> {
+        match details.transaction_type {
+            BluesnapWebhookEvents::Decline | BluesnapWebhookEvents::CcChargeFailed => {
+                Ok(Self::PaymentIntentFailure)
+            }
+            BluesnapWebhookEvents::Charge => Ok(Self::PaymentIntentSuccess),
+            BluesnapWebhookEvents::Chargeback | BluesnapWebhookEvents::ChargebackStatusChanged => {
+                match details
+                    .cb_status
+                    .ok_or(errors::ConnectorError::WebhookEventTypeNotFound)?
+                {
+                    BluesnapChargebackStatus::New | BluesnapChargebackStatus::Working => {
+                        Ok(Self::DisputeOpened)
+                    }
+                    BluesnapChargebackStatus::Closed => Ok(Self::DisputeExpired),
+                    BluesnapChargebackStatus::CompletedLost => Ok(Self::DisputeLost),
+                    BluesnapChargebackStatus::CompletedPending => Ok(Self::DisputeChallenged),
+                    BluesnapChargebackStatus::CompletedWon => Ok(Self::DisputeWon),
+                }
+            }
+            BluesnapWebhookEvents::Unknown => Ok(Self::EventNotSupported),
+        }
+    }
+}
+
 #[derive(Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
+pub struct BluesnapDisputeWebhookBody {
+    pub invoice_charge_amount: f64,
+    pub currency: diesel_models::enums::Currency,
+    pub reversal_reason: Option<String>,
+    pub reversal_ref_num: String,
+    pub cb_status: String,
+}
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
 pub struct BluesnapWebhookObjectResource {
     pub reference_number: String,
     pub transaction_type: BluesnapWebhookEvents,

crates/router/src/connector/utils.rs

@@ -1000,6 +1000,16 @@ pub fn to_currency_base_unit(
         .change_context(errors::ConnectorError::RequestEncodingFailed)
 }
 
+pub fn to_currency_lower_unit(
+    amount: String,
+    currency: diesel_models::enums::Currency,
+) -> Result<String, error_stack::Report<errors::ConnectorError>> {
+    currency
+        .to_currency_lower_unit(amount)
+        .into_report()
+        .change_context(errors::ConnectorError::ResponseHandlingFailed)
+}
+
 pub fn construct_not_implemented_error_report(
     capture_method: enums::CaptureMethod,
     connector_name: &str,