fix(router): [worldpayvantiv] dispute validations and statuses (#8862)

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

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

@@ -3856,33 +3856,86 @@ fn get_dispute_stage(
 
 pub fn get_dispute_status(
     dispute_cycle: String,
-) -> Result<api_models::enums::DisputeStatus, error_stack::Report<errors::ConnectorError>> {
-    match connector_utils::normalize_string(dispute_cycle.clone())
-        .change_context(errors::ConnectorError::RequestEncodingFailed)?
-        .as_str()
-    {
-        "arbitration"
-        | "arbitrationmastercard"
-        | "arbitrationsplit"
-        | "representment"
-        | "issuerarbitration"
-        | "prearbitration"
-        | "responsetoissuerarbitration"
-        | "arbitrationchargeback" => Ok(api_models::enums::DisputeStatus::DisputeChallenged),
-        "chargebackreversal" | "issueracceptedprearbitration" | "arbitrationwon" => {
-            Ok(api_models::enums::DisputeStatus::DisputeWon)
+    dispute_activities: Vec<Activity>,
+) -> Result<common_enums::DisputeStatus, error_stack::Report<errors::ConnectorError>> {
+    if let Some(activity) = get_last_non_auxiliary_activity_type(dispute_activities) {
+        match activity.as_ref() {
+            "Merchant Accept"
+            | "Issuer Accepted Pre-Arbitration"
+            | "Vantiv Accept"
+            | "Sent Credit" => Ok(common_enums::DisputeStatus::DisputeAccepted),
+
+            "Merchant Represent"
+            | "Respond to Dispute"
+            | "Respond to PreArb"
+            | "Request Arbitration"
+            | "Request Pre-Arbitration"
+            | "Create Arbitration"
+            | "Record Arbitration"
+            | "Create Pre-Arbitration"
+            | "File Arbitration"
+            | "File Pre-Arbitration"
+            | "File Visa Pre-Arbitration"
+            | "Send Representment"
+            | "Send Response"
+            | "Arbitration"
+            | "Arbitration (Mastercard)"
+            | "Arbitration Chargeback"
+            | "Issuer Declined Pre-Arbitration"
+            | "Issuer Arbitration"
+            | "Request Response to Pre-Arbitration"
+            | "Vantiv Represent"
+            | "Vantiv Respond"
+            | "Auto Represent"
+            | "Arbitration Ruling" => Ok(common_enums::DisputeStatus::DisputeChallenged),
+
+            "Arbitration Lost" | "Unsuccessful Arbitration" | "Unsuccessful Pre-Arbitration" => {
+                Ok(common_enums::DisputeStatus::DisputeLost)
+            }
+
+            "Arbitration Won"
+            | "Arbitration Split"
+            | "Successful Arbitration"
+            | "Successful Pre-Arbitration" => Ok(common_enums::DisputeStatus::DisputeWon),
+
+            "Chargeback Reversal" => Ok(common_enums::DisputeStatus::DisputeCancelled),
+
+            "Receive Network Transaction" => Ok(common_enums::DisputeStatus::DisputeOpened),
+
+            "Unaccept" | "Unrepresent" => Ok(common_enums::DisputeStatus::DisputeOpened),
+
+            unexpected_activity => Err(errors::ConnectorError::UnexpectedResponseError(
+                bytes::Bytes::from(format!("Dispute Activity: {unexpected_activity})")),
+            )
+            .into()),
         }
-        "arbitrationlost" | "issuerdeclinedprearbitration" => {
-            Ok(api_models::enums::DisputeStatus::DisputeLost)
+    } else {
+        match connector_utils::normalize_string(dispute_cycle.clone())
+            .change_context(errors::ConnectorError::RequestEncodingFailed)?
+            .as_str()
+        {
+            "arbitration"
+            | "arbitrationmastercard"
+            | "arbitrationsplit"
+            | "representment"
+            | "issuerarbitration"
+            | "prearbitration"
+            | "responsetoissuerarbitration"
+            | "arbitrationchargeback" => Ok(api_models::enums::DisputeStatus::DisputeChallenged),
+            "chargebackreversal" | "issueracceptedprearbitration" | "arbitrationwon" => {
+                Ok(api_models::enums::DisputeStatus::DisputeWon)
+            }
+            "arbitrationlost" | "issuerdeclinedprearbitration" => {
+                Ok(api_models::enums::DisputeStatus::DisputeLost)
+            }
+            "firstchargeback" | "retrievalrequest" | "rapiddisputeresolution" => {
+                Ok(api_models::enums::DisputeStatus::DisputeOpened)
+            }
+            dispute_cycle => Err(errors::ConnectorError::UnexpectedResponseError(
+                bytes::Bytes::from(format!("Dispute Stage: {dispute_cycle}")),
+            )
+            .into()),
         }
-        "firstchargeback" | "retrievalrequest" | "rapiddisputeresolution" => {
-            Ok(api_models::enums::DisputeStatus::DisputeOpened)
-        }
-        _ => Err(errors::ConnectorError::NotSupported {
-            message: format!("Dispute status {dispute_cycle}"),
-            connector: "worldpayvantiv",
-        }
-        .into()),
     }
 }
 
@@ -3914,7 +3967,7 @@ impl TryFrom<ChargebackCase> for DisputeSyncResponse {
             amount,
             currency: item.chargeback_currency_type,
             dispute_stage: get_dispute_stage(item.cycle.clone())?,
-            dispute_status: get_dispute_status(item.cycle.clone())?,
+            dispute_status: get_dispute_status(item.cycle.clone(), item.activity)?,
             connector_status: item.cycle.clone(),
             connector_dispute_id: item.case_id.clone(),
             connector_reason: item.reason_code_description.clone(),
@@ -4148,3 +4201,40 @@ impl
         })
     }
 }
+
+fn get_last_non_auxiliary_activity_type(activities: Vec<Activity>) -> Option<String> {
+    let auxiliary_activities: std::collections::HashSet<&'static str> = [
+        "Add Note",
+        "Attach Document",
+        "Attempted Attach Document",
+        "Delete Document",
+        "Update Document",
+        "Move To Error Queue",
+        "Assign to Vantiv",
+        "Assign To Merchant",
+        "Merchant Auto Assign",
+        "Issuer Recalled",
+        "Network Decision",
+        "Request Declined",
+        "Sent Gift",
+        "Successful PayPal",
+    ]
+    .iter()
+    .copied()
+    .collect();
+
+    let mut last_non_auxiliary_activity = None;
+
+    for activity in activities {
+        let auxiliary_activity = activity
+            .activity_type
+            .as_deref()
+            .map(|activity_type| auxiliary_activities.contains(activity_type))
+            .unwrap_or(false);
+
+        if !auxiliary_activity {
+            last_non_auxiliary_activity = activity.activity_type.clone()
+        }
+    }
+    last_non_auxiliary_activity
+}

crates/router/src/core/disputes.rs

@@ -276,8 +276,10 @@ pub async fn accept_dispute(
     core_utils::validate_profile_id_from_auth_layer(profile_id, &dispute)?;
     let dispute_id = dispute.dispute_id.clone();
     common_utils::fp_utils::when(
-        !(dispute.dispute_stage == storage_enums::DisputeStage::Dispute
-            && dispute.dispute_status == storage_enums::DisputeStatus::DisputeOpened),
+        !core_utils::should_proceed_with_accept_dispute(
+            dispute.dispute_stage,
+            dispute.dispute_status,
+        ),
         || {
             metrics::ACCEPT_DISPUTE_STATUS_VALIDATION_FAILURE_METRIC.add(1, &[]);
             Err(errors::ApiErrorResponse::DisputeStatusValidationFailed {

crates/router/src/core/utils.rs

@@ -929,6 +929,9 @@ pub fn validate_dispute_status(
             DisputeStatus::DisputeChallenged
                 | DisputeStatus::DisputeWon
                 | DisputeStatus::DisputeLost
+                | DisputeStatus::DisputeAccepted
+                | DisputeStatus::DisputeCancelled
+                | DisputeStatus::DisputeExpired
         ),
         DisputeStatus::DisputeWon => matches!(dispute_status, DisputeStatus::DisputeWon),
         DisputeStatus::DisputeLost => matches!(dispute_status, DisputeStatus::DisputeLost),
@@ -2614,12 +2617,27 @@ pub fn should_proceed_with_submit_evidence(
     dispute_stage: DisputeStage,
     dispute_status: DisputeStatus,
 ) -> bool {
-    matches!(dispute_stage, DisputeStage::DisputeReversal)
-        || matches!(
-            dispute_status,
-            DisputeStatus::DisputeExpired
-                | DisputeStatus::DisputeCancelled
-                | DisputeStatus::DisputeWon
-                | DisputeStatus::DisputeLost,
-        )
+    matches!(
+        dispute_stage,
+        DisputeStage::PreDispute
+            | DisputeStage::Dispute
+            | DisputeStage::PreArbitration
+            | DisputeStage::Arbitration
+    ) && matches!(
+        dispute_status,
+        DisputeStatus::DisputeOpened | DisputeStatus::DisputeChallenged
+    )
+}
+
+pub fn should_proceed_with_accept_dispute(
+    dispute_stage: DisputeStage,
+    dispute_status: DisputeStatus,
+) -> bool {
+    matches!(
+        dispute_stage,
+        DisputeStage::PreDispute | DisputeStage::Dispute | DisputeStage::PreArbitration
+    ) && matches!(
+        dispute_status,
+        DisputeStatus::DisputeChallenged | DisputeStatus::DisputeOpened
+    )
 }