feat(router): add endpoint for listing connector features (#6612)

Co-authored-by: hyperswitch-bot[bot] <148525504+hyperswitch-bot[bot]@users.noreply.github.com>
Co-authored-by: Pa1NarK <69745008+pixincreate@users.noreply.github.com>

crates/api_models/src/feature_matrix.rs

@@ -0,0 +1,46 @@
+use std::collections::HashSet;
+
+use serde::{Deserialize, Serialize};
+use utoipa::ToSchema;
+
+use crate::enums::{
+    CaptureMethod, Connector, CountryAlpha2, Currency, EventClass, FeatureStatus,
+    PaymentConnectorCategory, PaymentMethod, PaymentMethodType,
+};
+
+#[derive(Default, Debug, Deserialize, Serialize, Clone, ToSchema)]
+pub struct FeatureMatrixRequest {
+    // List of connectors for which the feature matrix is requested
+    pub connectors: Option<Vec<Connector>>,
+}
+
+#[derive(Debug, ToSchema, Serialize)]
+pub struct SupportedPaymentMethod {
+    pub payment_method: PaymentMethod,
+    pub payment_method_type: PaymentMethodType,
+    pub mandates: FeatureStatus,
+    pub refunds: FeatureStatus,
+    pub supported_capture_methods: Vec<CaptureMethod>,
+    pub supported_countries: Option<HashSet<CountryAlpha2>>,
+    pub supported_currencies: Option<HashSet<Currency>>,
+}
+
+#[derive(Debug, ToSchema, Serialize)]
+pub struct ConnectorFeatureMatrixResponse {
+    pub name: String,
+    pub description: Option<String>,
+    pub category: Option<PaymentConnectorCategory>,
+    pub supported_payment_methods: Vec<SupportedPaymentMethod>,
+    pub supported_webhook_flows: Option<Vec<EventClass>>,
+}
+
+#[derive(Debug, Serialize, ToSchema)]
+pub struct FeatureMatrixListResponse {
+    /// The number of connectors included in the response
+    pub connector_count: usize,
+    // The list of payments response objects
+    pub connectors: Vec<ConnectorFeatureMatrixResponse>,
+}
+
+impl common_utils::events::ApiEventMetric for FeatureMatrixListResponse {}
+impl common_utils::events::ApiEventMetric for FeatureMatrixRequest {}

crates/api_models/src/lib.rs

@@ -16,6 +16,7 @@ pub mod ephemeral_key;
 #[cfg(feature = "errors")]
 pub mod errors;
 pub mod events;
+pub mod feature_matrix;
 pub mod files;
 pub mod gsm;
 pub mod health_check;