feat(analytics): Add v2 payment analytics (payment-intents analytics) (#5150)

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

crates/api_models/src/analytics/payment_intents.rs

@@ -0,0 +1,151 @@
+use std::{
+    collections::hash_map::DefaultHasher,
+    hash::{Hash, Hasher},
+};
+
+use super::{NameDescription, TimeRange};
+use crate::enums::{Currency, IntentStatus};
+
+#[derive(Clone, Debug, Default, serde::Deserialize, serde::Serialize)]
+pub struct PaymentIntentFilters {
+    #[serde(default)]
+    pub status: Vec<IntentStatus>,
+    pub currency: Vec<Currency>,
+}
+
+#[derive(
+    Debug,
+    serde::Serialize,
+    serde::Deserialize,
+    strum::AsRefStr,
+    PartialEq,
+    PartialOrd,
+    Eq,
+    Ord,
+    strum::Display,
+    strum::EnumIter,
+    Clone,
+    Copy,
+)]
+#[serde(rename_all = "snake_case")]
+#[strum(serialize_all = "snake_case")]
+pub enum PaymentIntentDimensions {
+    #[strum(serialize = "status")]
+    #[serde(rename = "status")]
+    PaymentIntentStatus,
+    Currency,
+}
+
+#[derive(
+    Clone,
+    Debug,
+    Hash,
+    PartialEq,
+    Eq,
+    serde::Serialize,
+    serde::Deserialize,
+    strum::Display,
+    strum::EnumIter,
+    strum::AsRefStr,
+)]
+#[strum(serialize_all = "snake_case")]
+#[serde(rename_all = "snake_case")]
+pub enum PaymentIntentMetrics {
+    SuccessfulSmartRetries,
+    TotalSmartRetries,
+    SmartRetriedAmount,
+    PaymentIntentCount,
+}
+
+#[derive(Debug, Default, serde::Serialize)]
+pub struct ErrorResult {
+    pub reason: String,
+    pub count: i64,
+    pub percentage: f64,
+}
+
+pub mod metric_behaviour {
+    pub struct SuccessfulSmartRetries;
+    pub struct TotalSmartRetries;
+    pub struct SmartRetriedAmount;
+    pub struct PaymentIntentCount;
+}
+
+impl From<PaymentIntentMetrics> for NameDescription {
+    fn from(value: PaymentIntentMetrics) -> Self {
+        Self {
+            name: value.to_string(),
+            desc: String::new(),
+        }
+    }
+}
+
+impl From<PaymentIntentDimensions> for NameDescription {
+    fn from(value: PaymentIntentDimensions) -> Self {
+        Self {
+            name: value.to_string(),
+            desc: String::new(),
+        }
+    }
+}
+
+#[derive(Debug, serde::Serialize, Eq)]
+pub struct PaymentIntentMetricsBucketIdentifier {
+    pub status: Option<IntentStatus>,
+    pub currency: Option<Currency>,
+    #[serde(rename = "time_range")]
+    pub time_bucket: TimeRange,
+    #[serde(rename = "time_bucket")]
+    #[serde(with = "common_utils::custom_serde::iso8601custom")]
+    pub start_time: time::PrimitiveDateTime,
+}
+
+impl PaymentIntentMetricsBucketIdentifier {
+    #[allow(clippy::too_many_arguments)]
+    pub fn new(
+        status: Option<IntentStatus>,
+        currency: Option<Currency>,
+        normalized_time_range: TimeRange,
+    ) -> Self {
+        Self {
+            status,
+            currency,
+            time_bucket: normalized_time_range,
+            start_time: normalized_time_range.start_time,
+        }
+    }
+}
+
+impl Hash for PaymentIntentMetricsBucketIdentifier {
+    fn hash<H: Hasher>(&self, state: &mut H) {
+        self.status.map(|i| i.to_string()).hash(state);
+        self.currency.hash(state);
+        self.time_bucket.hash(state);
+    }
+}
+
+impl PartialEq for PaymentIntentMetricsBucketIdentifier {
+    fn eq(&self, other: &Self) -> bool {
+        let mut left = DefaultHasher::new();
+        self.hash(&mut left);
+        let mut right = DefaultHasher::new();
+        other.hash(&mut right);
+        left.finish() == right.finish()
+    }
+}
+
+#[derive(Debug, serde::Serialize)]
+pub struct PaymentIntentMetricsBucketValue {
+    pub successful_smart_retries: Option<u64>,
+    pub total_smart_retries: Option<u64>,
+    pub smart_retried_amount: Option<u64>,
+    pub payment_intent_count: Option<u64>,
+}
+
+#[derive(Debug, serde::Serialize)]
+pub struct MetricsBucketResponse {
+    #[serde(flatten)]
+    pub values: PaymentIntentMetricsBucketValue,
+    #[serde(flatten)]
+    pub dimensions: PaymentIntentMetricsBucketIdentifier,
+}