refactor: use strum::EnumString implementation for connector name conversions (#1052)

Co-authored-by: Sanchith Hegde <22217505+SanchithHegde@users.noreply.github.com>

crates/api_models/src/enums.rs

@@ -569,7 +569,6 @@ pub enum MandateStatus {
     Clone,
     Copy,
     Debug,
-    Default,
     Eq,
     PartialEq,
     ToSchema,
@@ -586,7 +585,6 @@ pub enum Connector {
     Aci,
     Adyen,
     Airwallex,
-    Applepay,
     Authorizedotnet,
     Bitpay,
     Bluesnap,
@@ -594,8 +592,6 @@ pub enum Connector {
     Checkout,
     Coinbase,
     Cybersource,
-    #[default]
-    Dummy,
     Iatapay,
     #[cfg(feature = "dummy_connector")]
     #[serde(rename = "dummyconnector1")]
@@ -632,7 +628,6 @@ pub enum Connector {
     Worldline,
     Worldpay,
     Zen,
-    Signifyd,
 }
 
 impl Connector {

crates/router/src/types/api.rs

@@ -199,50 +199,94 @@ impl ConnectorData {
         _connectors: &Connectors,
         connector_name: &str,
     ) -> CustomResult<BoxedConnector, errors::ApiErrorResponse> {
-        match connector_name {
+        match enums::Connector::from_str(connector_name) {
-            "aci" => Ok(Box::new(&connector::Aci)),
+            Ok(name) => match name {
-            "adyen" => Ok(Box::new(&connector::Adyen)),
+                enums::Connector::Aci => Ok(Box::new(&connector::Aci)),
-            "airwallex" => Ok(Box::new(&connector::Airwallex)),
+                enums::Connector::Adyen => Ok(Box::new(&connector::Adyen)),
-            "authorizedotnet" => Ok(Box::new(&connector::Authorizedotnet)),
+                enums::Connector::Airwallex => Ok(Box::new(&connector::Airwallex)),
-            "bambora" => Ok(Box::new(&connector::Bambora)),
+                enums::Connector::Authorizedotnet => Ok(Box::new(&connector::Authorizedotnet)),
-            "bitpay" => Ok(Box::new(&connector::Bitpay)),
+                enums::Connector::Bambora => Ok(Box::new(&connector::Bambora)),
-            "bluesnap" => Ok(Box::new(&connector::Bluesnap)),
+                enums::Connector::Bitpay => Ok(Box::new(&connector::Bitpay)),
-            "braintree" => Ok(Box::new(&connector::Braintree)),
+                enums::Connector::Bluesnap => Ok(Box::new(&connector::Bluesnap)),
-            "checkout" => Ok(Box::new(&connector::Checkout)),
+                enums::Connector::Braintree => Ok(Box::new(&connector::Braintree)),
-            "coinbase" => Ok(Box::new(&connector::Coinbase)),
+                enums::Connector::Checkout => Ok(Box::new(&connector::Checkout)),
-            "cybersource" => Ok(Box::new(&connector::Cybersource)),
+                enums::Connector::Coinbase => Ok(Box::new(&connector::Coinbase)),
-            "dlocal" => Ok(Box::new(&connector::Dlocal)),
+                enums::Connector::Cybersource => Ok(Box::new(&connector::Cybersource)),
+                enums::Connector::Dlocal => Ok(Box::new(&connector::Dlocal)),
                 #[cfg(feature = "dummy_connector")]
-            "dummyconnector1" => Ok(Box::new(&connector::DummyConnector::<1>)),
+                enums::Connector::DummyConnector1 => Ok(Box::new(&connector::DummyConnector::<1>)),
                 #[cfg(feature = "dummy_connector")]
-            "dummyconnector2" => Ok(Box::new(&connector::DummyConnector::<2>)),
+                enums::Connector::DummyConnector2 => Ok(Box::new(&connector::DummyConnector::<2>)),
                 #[cfg(feature = "dummy_connector")]
-            "dummyconnector3" => Ok(Box::new(&connector::DummyConnector::<3>)),
+                enums::Connector::DummyConnector3 => Ok(Box::new(&connector::DummyConnector::<3>)),
-            "fiserv" => Ok(Box::new(&connector::Fiserv)),
+                enums::Connector::Fiserv => Ok(Box::new(&connector::Fiserv)),
-            "forte" => Ok(Box::new(&connector::Forte)),
+                enums::Connector::Forte => Ok(Box::new(&connector::Forte)),
-            "globalpay" => Ok(Box::new(&connector::Globalpay)),
+                enums::Connector::Globalpay => Ok(Box::new(&connector::Globalpay)),
-            "iatapay" => Ok(Box::new(&connector::Iatapay)),
+                enums::Connector::Iatapay => Ok(Box::new(&connector::Iatapay)),
-            "klarna" => Ok(Box::new(&connector::Klarna)),
+                enums::Connector::Klarna => Ok(Box::new(&connector::Klarna)),
-            "mollie" => Ok(Box::new(&connector::Mollie)),
+                enums::Connector::Mollie => Ok(Box::new(&connector::Mollie)),
-            "nmi" => Ok(Box::new(&connector::Nmi)),
+                enums::Connector::Nmi => Ok(Box::new(&connector::Nmi)),
                 // "noon" => Ok(Box::new(&connector::Noon)), added as template code for future usage
-            "nuvei" => Ok(Box::new(&connector::Nuvei)),
+                enums::Connector::Nuvei => Ok(Box::new(&connector::Nuvei)),
-            "opennode" => Ok(Box::new(&connector::Opennode)),
+                enums::Connector::Opennode => Ok(Box::new(&connector::Opennode)),
                 // "payeezy" => Ok(Box::new(&connector::Payeezy)), As psync and rsync are not supported by this connector, it is added as template code for future usage
-            "payu" => Ok(Box::new(&connector::Payu)),
+                enums::Connector::Payu => Ok(Box::new(&connector::Payu)),
-            "rapyd" => Ok(Box::new(&connector::Rapyd)),
+                enums::Connector::Rapyd => Ok(Box::new(&connector::Rapyd)),
-            "shift4" => Ok(Box::new(&connector::Shift4)),
+                enums::Connector::Shift4 => Ok(Box::new(&connector::Shift4)),
-            "stripe" => Ok(Box::new(&connector::Stripe)),
+                enums::Connector::Stripe => Ok(Box::new(&connector::Stripe)),
-            "worldline" => Ok(Box::new(&connector::Worldline)),
+                enums::Connector::Worldline => Ok(Box::new(&connector::Worldline)),
-            "worldpay" => Ok(Box::new(&connector::Worldpay)),
+                enums::Connector::Worldpay => Ok(Box::new(&connector::Worldpay)),
-            "multisafepay" => Ok(Box::new(&connector::Multisafepay)),
+                enums::Connector::Multisafepay => Ok(Box::new(&connector::Multisafepay)),
-            "nexinets" => Ok(Box::new(&connector::Nexinets)),
+                enums::Connector::Nexinets => Ok(Box::new(&connector::Nexinets)),
-            "paypal" => Ok(Box::new(&connector::Paypal)),
+                enums::Connector::Paypal => Ok(Box::new(&connector::Paypal)),
-            "trustpay" => Ok(Box::new(&connector::Trustpay)),
+                enums::Connector::Trustpay => Ok(Box::new(&connector::Trustpay)),
-            "zen" => Ok(Box::new(&connector::Zen)),
+                enums::Connector::Zen => Ok(Box::new(&connector::Zen)),
-            _ => Err(report!(errors::ConnectorError::InvalidConnectorName)
+            },
+            Err(_) => Err(report!(errors::ConnectorError::InvalidConnectorName)
                 .attach_printable(format!("invalid connector name: {connector_name}")))
             .change_context(errors::ApiErrorResponse::InternalServerError),
         }
     }
 }
+
+#[cfg(test)]
+mod test {
+    #![allow(clippy::unwrap_used)]
+    use super::*;
+
+    #[test]
+    fn test_convert_connector_parsing_success() {
+        let result = enums::Connector::from_str("aci");
+        assert!(result.is_ok());
+        assert_eq!(result.unwrap(), enums::Connector::Aci);
+
+        let result = enums::Connector::from_str("shift4");
+        assert!(result.is_ok());
+        assert_eq!(result.unwrap(), enums::Connector::Shift4);
+
+        let result = enums::Connector::from_str("authorizedotnet");
+        assert!(result.is_ok());
+        assert_eq!(result.unwrap(), enums::Connector::Authorizedotnet);
+    }
+
+    #[test]
+    fn test_convert_connector_parsing_fail_for_unknown_type() {
+        let result = enums::Connector::from_str("unknowntype");
+        assert!(result.is_err());
+
+        let result = enums::Connector::from_str("randomstring");
+        assert!(result.is_err());
+    }
+
+    #[test]
+    fn test_convert_connector_parsing_fail_for_camel_case() {
+        let result = enums::Connector::from_str("Paypal");
+        assert!(result.is_err());
+
+        let result = enums::Connector::from_str("Authorizedotnet");
+        assert!(result.is_err());
+
+        let result = enums::Connector::from_str("Opennode");
+        assert!(result.is_err());
+    }
+}

crates/router/src/types/storage/payment_attempt.rs

@@ -12,6 +12,7 @@ pub struct RoutingData {
 impl crate::utils::storage_partitioning::KvStorePartition for PaymentAttempt {}
 
 #[cfg(test)]
+#[cfg(feature = "dummy_connector")]
 mod tests {
     #![allow(clippy::expect_used, clippy::unwrap_used)]
     use tokio::sync::oneshot;
@@ -34,7 +35,7 @@ mod tests {
 
         let payment_id = Uuid::new_v4().to_string();
         let current_time = common_utils::date_time::now();
-        let connector = types::Connector::Dummy.to_string();
+        let connector = types::Connector::DummyConnector1.to_string();
         let payment_attempt = PaymentAttemptNew {
             payment_id: payment_id.clone(),
             connector: Some(connector),
@@ -66,7 +67,7 @@ mod tests {
         let payment_id = Uuid::new_v4().to_string();
         let attempt_id = Uuid::new_v4().to_string();
         let merchant_id = Uuid::new_v4().to_string();
-        let connector = types::Connector::Dummy.to_string();
+        let connector = types::Connector::DummyConnector1.to_string();
 
         let payment_attempt = PaymentAttemptNew {
             payment_id: payment_id.clone(),
@@ -105,11 +106,11 @@ mod tests {
     async fn test_payment_attempt_mandate_field() {
         use crate::configs::settings::Settings;
         let conf = Settings::new().expect("invalid settings");
-        let uuid = uuid::Uuid::new_v4().to_string();
+        let uuid = Uuid::new_v4().to_string();
         let tx: oneshot::Sender<()> = oneshot::channel().0;
         let state = routes::AppState::with_storage(conf, StorageImpl::PostgresqlTest, tx).await;
         let current_time = common_utils::date_time::now();
-        let connector = types::Connector::Dummy.to_string();
+        let connector = types::Connector::DummyConnector1.to_string();
 
         let payment_attempt = PaymentAttemptNew {
             payment_id: uuid.clone(),

crates/router/tests/connectors/noon.rs

@@ -16,7 +16,7 @@ impl utils::Connector for NoonTest {
         use router::connector::Noon;
         types::api::ConnectorData {
             connector: Box::new(&Noon),
-            connector_name: types::Connector::Dummy,
+            connector_name: types::Connector::DummyConnector1,
             get_token: types::api::GetToken::Connector,
         }
     }

crates/router/tests/connectors/payeezy.rs

@@ -22,7 +22,7 @@ impl utils::Connector for PayeezyTest {
         use router::connector::Payeezy;
         types::api::ConnectorData {
             connector: Box::new(&Payeezy),
-            connector_name: types::Connector::Dummy,
+            connector_name: types::Connector::DummyConnector1,
             get_token: types::api::GetToken::Connector,
         }
     }