feat(db): add fetch and update cache for admin table (#508)

crates/router/Cargo.toml

@@ -10,7 +10,7 @@ license = "Apache-2.0"
 build = "src/build.rs"
 
 [features]
-default = ["kv_store", "stripe", "oltp", "olap"]
+default = ["kv_store", "stripe", "oltp", "olap","accounts_cache"]
 kms = ["aws-config", "aws-sdk-kms"]
 basilisk = []
 stripe = ["dep:serde_qs"]
@@ -19,6 +19,7 @@ olap = []
 oltp = []
 production = []
 kv_store = []
+accounts_cache = []
 openapi = ["olap", "oltp"]
 
 

crates/router/src/db/cache.rs

@@ -1,5 +1,3 @@
-#![allow(dead_code)]
-
 use error_stack::ResultExt;
 
 use super::Store;

crates/router/src/db/merchant_account.rs

@@ -66,11 +66,23 @@ impl MerchantAccountInterface for Store {
         &self,
         merchant_id: &str,
     ) -> CustomResult<storage::MerchantAccount, errors::StorageError> {
+        let fetch_func = || async {
             let conn = pg_connection(&self.master_pool).await;
             storage::MerchantAccount::find_by_merchant_id(&conn, merchant_id)
                 .await
                 .map_err(Into::into)
                 .into_report()
+        };
+
+        #[cfg(not(feature = "accounts_cache"))]
+        {
+            fetch_func().await
+        }
+
+        #[cfg(feature = "accounts_cache")]
+        {
+            super::cache::get_or_populate_cache(self, merchant_id, fetch_func).await
+        }
     }
 
     async fn update_merchant(
@@ -78,11 +90,24 @@ impl MerchantAccountInterface for Store {
         this: storage::MerchantAccount,
         merchant_account: storage::MerchantAccountUpdate,
     ) -> CustomResult<storage::MerchantAccount, errors::StorageError> {
+        let _merchant_id = this.merchant_id.clone();
+        let update_func = || async {
             let conn = pg_connection(&self.master_pool).await;
             this.update(&conn, merchant_account)
                 .await
                 .map_err(Into::into)
                 .into_report()
+        };
+
+        #[cfg(not(feature = "accounts_cache"))]
+        {
+            update_func().await
+        }
+
+        #[cfg(feature = "accounts_cache")]
+        {
+            super::cache::redact_cache(self, &_merchant_id, update_func).await
+        }
     }
 
     async fn update_specific_fields_in_merchant(
@@ -90,11 +115,27 @@ impl MerchantAccountInterface for Store {
         merchant_id: &str,
         merchant_account: storage::MerchantAccountUpdate,
     ) -> CustomResult<storage::MerchantAccount, errors::StorageError> {
+        let update_func = || async {
             let conn = pg_connection(&self.master_pool).await;
-        storage::MerchantAccount::update_with_specific_fields(&conn, merchant_id, merchant_account)
+            storage::MerchantAccount::update_with_specific_fields(
+                &conn,
+                merchant_id,
+                merchant_account,
+            )
             .await
             .map_err(Into::into)
             .into_report()
+        };
+
+        #[cfg(not(feature = "accounts_cache"))]
+        {
+            update_func().await
+        }
+
+        #[cfg(feature = "accounts_cache")]
+        {
+            super::cache::redact_cache(self, merchant_id, update_func).await
+        }
     }
 
     async fn find_merchant_account_by_api_key(
@@ -123,11 +164,23 @@ impl MerchantAccountInterface for Store {
         &self,
         merchant_id: &str,
     ) -> CustomResult<bool, errors::StorageError> {
+        let delete_func = || async {
             let conn = pg_connection(&self.master_pool).await;
             storage::MerchantAccount::delete_by_merchant_id(&conn, merchant_id)
                 .await
                 .map_err(Into::into)
                 .into_report()
+        };
+
+        #[cfg(not(feature = "accounts_cache"))]
+        {
+            delete_func().await
+        }
+
+        #[cfg(feature = "accounts_cache")]
+        {
+            super::cache::redact_cache(self, merchant_id, delete_func).await
+        }
     }
 }
 

crates/storage_models/src/merchant_account.rs

@@ -3,7 +3,17 @@ use masking::StrongSecret;
 
 use crate::{enums as storage_enums, schema::merchant_account};
 
-#[derive(Clone, Debug, Eq, PartialEq, Identifiable, Queryable, router_derive::DebugAsDisplay)]
+#[derive(
+    Clone,
+    Debug,
+    serde::Deserialize,
+    serde::Serialize,
+    Eq,
+    PartialEq,
+    Identifiable,
+    Queryable,
+    router_derive::DebugAsDisplay,
+)]
 #[diesel(table_name = merchant_account)]
 pub struct MerchantAccount {
     pub id: i32,