feat: add support for 3ds and surcharge decision through routing rules (#2869)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

crates/api_models/src/conditional_configs.rs

@@ -0,0 +1,113 @@
+use common_utils::events;
+use euclid::{
+    dssa::types::EuclidAnalysable,
+    enums,
+    frontend::{
+        ast::Program,
+        dir::{DirKeyKind, DirValue, EuclidDirFilter},
+    },
+    types::Metadata,
+};
+use serde::{Deserialize, Serialize};
+
+#[derive(
+    Clone,
+    Debug,
+    Hash,
+    PartialEq,
+    Eq,
+    strum::Display,
+    strum::EnumVariantNames,
+    strum::EnumIter,
+    strum::EnumString,
+    Serialize,
+    Deserialize,
+)]
+#[serde(rename_all = "snake_case")]
+#[strum(serialize_all = "snake_case")]
+pub enum AuthenticationType {
+    ThreeDs,
+    NoThreeDs,
+}
+impl AuthenticationType {
+    pub fn to_dir_value(&self) -> DirValue {
+        match self {
+            Self::ThreeDs => DirValue::AuthenticationType(enums::AuthenticationType::ThreeDs),
+            Self::NoThreeDs => DirValue::AuthenticationType(enums::AuthenticationType::NoThreeDs),
+        }
+    }
+}
+
+impl EuclidAnalysable for AuthenticationType {
+    fn get_dir_value_for_analysis(&self, rule_name: String) -> Vec<(DirValue, Metadata)> {
+        let auth = self.to_string();
+
+        vec![(
+            self.to_dir_value(),
+            std::collections::HashMap::from_iter([(
+                "AUTHENTICATION_TYPE".to_string(),
+                serde_json::json!({
+                    "rule_name":rule_name,
+                    "Authentication_type": auth,
+                }),
+            )]),
+        )]
+    }
+}
+
+#[derive(Debug, Default, Clone, Serialize, Deserialize)]
+pub struct ConditionalConfigs {
+    pub override_3ds: Option<AuthenticationType>,
+}
+impl EuclidDirFilter for ConditionalConfigs {
+    const ALLOWED: &'static [DirKeyKind] = &[
+        DirKeyKind::PaymentMethod,
+        DirKeyKind::CardType,
+        DirKeyKind::CardNetwork,
+        DirKeyKind::MetaData,
+        DirKeyKind::PaymentAmount,
+        DirKeyKind::PaymentCurrency,
+        DirKeyKind::CaptureMethod,
+        DirKeyKind::BillingCountry,
+        DirKeyKind::BusinessCountry,
+    ];
+}
+
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+pub struct DecisionManagerRecord {
+    pub name: String,
+    pub program: Program<ConditionalConfigs>,
+    pub created_at: i64,
+    pub modified_at: i64,
+}
+impl events::ApiEventMetric for DecisionManagerRecord {
+    fn get_api_event_type(&self) -> Option<events::ApiEventsType> {
+        Some(events::ApiEventsType::Routing)
+    }
+}
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+#[serde(deny_unknown_fields)]
+pub struct ConditionalConfigReq {
+    pub name: Option<String>,
+    pub algorithm: Option<Program<ConditionalConfigs>>,
+}
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+
+pub struct DecisionManagerRequest {
+    pub name: Option<String>,
+    pub program: Option<Program<ConditionalConfigs>>,
+}
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+#[serde(untagged)]
+pub enum DecisionManager {
+    DecisionManagerv0(ConditionalConfigReq),
+    DecisionManagerv1(DecisionManagerRequest),
+}
+
+impl events::ApiEventMetric for DecisionManager {
+    fn get_api_event_type(&self) -> Option<events::ApiEventsType> {
+        Some(events::ApiEventsType::Routing)
+    }
+}
+
+pub type DecisionManagerResponse = DecisionManagerRecord;