fix: resolve TODO comments in storage models crate (#151)

crates/common_utils/src/lib.rs

@@ -24,12 +24,20 @@ pub mod validation;
 /// Date-time utilities.
 pub mod date_time {
     use time::{OffsetDateTime, PrimitiveDateTime};
+    /// Struct to represent milliseconds in time sensitive data fields
+    #[derive(Debug)]
+    pub struct Milliseconds(i32);
 
     /// Create a new [`PrimitiveDateTime`] with the current date and time in UTC.
     pub fn now() -> PrimitiveDateTime {
         let utc_date_time = OffsetDateTime::now_utc();
         PrimitiveDateTime::new(utc_date_time.date(), utc_date_time.time())
     }
+
+    /// Convert from OffsetDateTime to PrimitiveDateTime
+    pub fn convert_to_pdt(offset_time: OffsetDateTime) -> PrimitiveDateTime {
+        PrimitiveDateTime::new(offset_time.date(), offset_time.time())
+    }
 }
 
 /// Generate a nanoid with the given prefix and length

crates/masking/README.md

@@ -37,7 +37,6 @@ Most fields are under `Option`. To simplify dealing with `Option`, use `expose_o
 ```
 
 
-<!-- FIXME: this table should either be generated by a script or smoke test should be introduced checking it agrees with actual structure -->
 ## Files Tree Layout
 
 

crates/router/src/db/process_tracker.rs

@@ -31,7 +31,7 @@ pub trait ProcessTrackerInterface {
         &self,
         task_ids: Vec<String>,
         task_update: storage::ProcessTrackerUpdate,
-    ) -> CustomResult<Vec<storage::ProcessTracker>, errors::StorageError>;
+    ) -> CustomResult<usize, errors::StorageError>;
     async fn update_process_tracker(
         &self,
         this: storage::ProcessTracker,
@@ -136,7 +136,7 @@ impl ProcessTrackerInterface for Store {
         &self,
         task_ids: Vec<String>,
         task_update: storage::ProcessTrackerUpdate,
-    ) -> CustomResult<Vec<storage::ProcessTracker>, errors::StorageError> {
+    ) -> CustomResult<usize, errors::StorageError> {
         let conn = pg_connection(&self.master_pool).await;
         storage::ProcessTracker::update_process_status_by_ids(&conn, task_ids, task_update)
             .await
@@ -224,7 +224,7 @@ impl ProcessTrackerInterface for MockDb {
         &self,
         _task_ids: Vec<String>,
         _task_update: storage::ProcessTrackerUpdate,
-    ) -> CustomResult<Vec<storage::ProcessTracker>, errors::StorageError> {
+    ) -> CustomResult<usize, errors::StorageError> {
         todo!()
     }
 }

crates/router/src/scheduler/consumer.rs

@@ -132,7 +132,7 @@ pub async fn fetch_consumer_tasks(
 ) -> CustomResult<Vec<storage::ProcessTracker>, errors::ProcessTrackerError> {
     let batches = pt_utils::get_batches(redis_conn, stream_name, group_name, consumer_name).await?;
 
-    let tasks = batches.into_iter().fold(Vec::new(), |mut acc, batch| {
+    let mut tasks = batches.into_iter().fold(Vec::new(), |mut acc, batch| {
         acc.extend_from_slice(
             batch
                 .trackers
@@ -148,8 +148,7 @@ pub async fn fetch_consumer_tasks(
         .map(|task| task.id.to_owned())
         .collect::<Vec<_>>();
 
-    let updated_tasks = db
-        .process_tracker_update_process_status_by_ids(
+    db.process_tracker_update_process_status_by_ids(
         task_ids,
         storage::ProcessTrackerUpdate::StatusUpdate {
             status: enums::ProcessTrackerStatus::ProcessStarted,
@@ -158,8 +157,10 @@ pub async fn fetch_consumer_tasks(
     )
     .await
     .change_context(errors::ProcessTrackerError::ProcessFetchingFailed)?;
-
-    Ok(updated_tasks)
+    tasks
+        .iter_mut()
+        .for_each(|x| x.status = enums::ProcessTrackerStatus::ProcessStarted);
+    Ok(tasks)
 }
 
 // Accept flow_options if required

crates/router/src/scheduler/utils.rs

@@ -49,7 +49,7 @@ pub async fn update_status_and_append(
         .collect();
     match flow {
         SchedulerFlow::Producer => {
-            let res = state
+            state
                 .store
                 .process_tracker_update_process_status_by_ids(
                     process_ids,
@@ -58,18 +58,13 @@ pub async fn update_status_and_append(
                         business_status: None,
                     },
                 )
-                .await;
-            match res {
-                Ok(trackers) => {
-                    let count = trackers.len();
-                    logger::debug!("Updated status of {count} processes");
-                    Ok(())
-                }
-                Err(error) => {
+                .await.map_or_else(|error| {
                     logger::error!(error=%error.current_context(),"Error while updating process status");
                     Err(error.change_context(errors::ProcessTrackerError::ProcessUpdateFailed))
-                }
-            }
+                }, |count| {
+                    logger::debug!("Updated status of {count} processes");
+                    Ok(())
+                })
         }
         SchedulerFlow::Cleaner => {
             let res = state

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

@@ -1,7 +1,7 @@
 use error_stack::ResultExt;
 use serde::Serialize;
 pub use storage_models::process_tracker::{
-    Milliseconds, ProcessData, ProcessTracker, ProcessTrackerNew, ProcessTrackerUpdate,
+    ProcessData, ProcessTracker, ProcessTrackerNew, ProcessTrackerUpdate,
     ProcessTrackerUpdateInternal, SchedulerOptions,
 };
 use time::PrimitiveDateTime;

crates/router_env/README.md

@@ -22,7 +22,6 @@ pub fn sample() -> () {
 
 ## Files Tree Layout
 
-<!-- FIXME: this table should either be generated by a script or smoke test should be introduced checking it agrees with actual structure -->
 <!-- FIXME: fill missing -->
 
 ```text

crates/storage_models/src/address.rs

@@ -1,4 +1,4 @@
-use common_utils::{consts, custom_serde, generate_id};
+use common_utils::{consts, custom_serde, date_time, generate_id};
 use diesel::{AsChangeset, Identifiable, Insertable, Queryable};
 use masking::Secret;
 use serde::{Deserialize, Serialize};
@@ -115,17 +115,12 @@ impl From<AddressUpdate> for AddressUpdateInternal {
                 last_name,
                 phone_number,
                 country_code,
-                modified_at: convert_to_pdt(OffsetDateTime::now_utc()),
+                modified_at: date_time::convert_to_pdt(OffsetDateTime::now_utc()),
             },
         }
     }
 }
 
-// TODO: Create utils for this since cane be reused outside address
-fn convert_to_pdt(offset_time: OffsetDateTime) -> PrimitiveDateTime {
-    PrimitiveDateTime::new(offset_time.date(), offset_time.time())
-}
-
 impl Default for AddressNew {
     fn default() -> Self {
         Self {

crates/storage_models/src/payment_intent.rs

@@ -25,7 +25,7 @@ pub struct PaymentIntent {
     pub statement_descriptor_suffix: Option<String>,
     pub created_at: PrimitiveDateTime,
     pub modified_at: PrimitiveDateTime,
-    pub last_synced: Option<PrimitiveDateTime>, // FIXME: this is optional
+    pub last_synced: Option<PrimitiveDateTime>,
     pub setup_future_usage: Option<storage_enums::FutureUsage>,
     pub off_session: Option<bool>,
     pub client_secret: Option<String>,

crates/storage_models/src/process_tracker.rs

@@ -142,12 +142,9 @@ impl From<ProcessTrackerUpdate> for ProcessTrackerUpdateInternal {
     }
 }
 
-// TODO: Move this to a utility module?
-pub struct Milliseconds(i32);
-
 #[allow(dead_code)]
 pub struct SchedulerOptions {
-    looper_interval: Milliseconds,
+    looper_interval: common_utils::date_time::Milliseconds,
     db_name: String,
     cache_name: String,
     schema_name: String,

crates/storage_models/src/query/payment_attempt.rs

@@ -1,12 +1,6 @@
-use async_bb8_diesel::AsyncRunQueryDsl;
-use diesel::{
-    associations::HasTable, debug_query, pg::Pg, BoolExpressionMethods, ExpressionMethods, QueryDsl,
-};
-use error_stack::{IntoReport, ResultExt};
-use router_env::{
-    logger::debug,
-    tracing::{self, instrument},
-};
+use diesel::{associations::HasTable, BoolExpressionMethods, ExpressionMethods};
+use error_stack::IntoReport;
+use router_env::tracing::{self, instrument};
 
 use super::generics::{self, ExecuteQuery, RawQuery, RawSqlQuery};
 use crate::{
@@ -121,29 +115,29 @@ impl PaymentAttempt {
         .await
     }
 
-    // FIXME: Use generics
-    #[instrument(skip(conn))]
     pub async fn find_last_successful_attempt_by_payment_id_merchant_id(
         conn: &PgPooledConn,
         payment_id: &str,
         merchant_id: &str,
     ) -> CustomResult<Self, errors::DatabaseError> {
-        let query = Self::table()
-            .filter(
+        // perform ordering on the application level instead of database level
+        generics::generic_filter::<<Self as HasTable>::Table, _, Self>(
+            conn,
             dsl::payment_id
                 .eq(payment_id.to_owned())
                 .and(dsl::merchant_id.eq(merchant_id.to_owned()))
                 .and(dsl::status.eq(enums::AttemptStatus::Charged)),
+            None,
+        )
+        .await?
+        .into_iter()
+        .fold(
+            Err(errors::DatabaseError::NotFound).into_report(),
+            |acc, cur| match acc {
+                Ok(value) if value.created_at > cur.created_at => Ok(value),
+                _ => Ok(cur),
+            },
         )
-            .order(dsl::created_at.desc());
-        debug!(query = %debug_query::<Pg, _>(&query).to_string());
-
-        query
-            .get_result_async(conn)
-            .await
-            .into_report()
-            .change_context(errors::DatabaseError::NotFound)
-            .attach_printable("Error while finding last successful payment attempt")
     }
 
     #[instrument(skip(conn))]

crates/storage_models/src/query/process_tracker.rs

@@ -1,12 +1,5 @@
-use async_bb8_diesel::AsyncRunQueryDsl;
-use diesel::{
-    associations::HasTable, debug_query, pg::Pg, BoolExpressionMethods, ExpressionMethods, QueryDsl,
-};
-use error_stack::{IntoReport, ResultExt};
-use router_env::{
-    logger::debug,
-    tracing::{self, instrument},
-};
+use diesel::{associations::HasTable, BoolExpressionMethods, ExpressionMethods};
+use router_env::tracing::{self, instrument};
 use time::PrimitiveDateTime;
 
 use super::generics::{self, ExecuteQuery};
@@ -57,14 +50,12 @@ impl ProcessTracker {
         conn: &PgPooledConn,
         task_ids: Vec<String>,
         task_update: ProcessTrackerUpdate,
-    ) -> CustomResult<Vec<Self>, errors::DatabaseError> {
-        // TODO: Possible optimization: Instead of returning updated values from database, update
-        // the values in code and return them, if database query executed successfully.
-        generics::generic_update_with_results::<<Self as HasTable>::Table, _, _, Self, _>(
+    ) -> CustomResult<usize, errors::DatabaseError> {
+        generics::generic_update::<<Self as HasTable>::Table, _, _, _>(
             conn,
             dsl::id.eq_any(task_ids),
             ProcessTrackerUpdateInternal::from(task_update),
-            ExecuteQuery::new(),
+            ExecuteQuery::<Self>::new(),
         )
         .await
     }
@@ -99,29 +90,26 @@ impl ProcessTracker {
         .await
     }
 
-    // FIXME with generics
-    #[instrument(skip(pool))]
+    #[instrument(skip(conn))]
     pub async fn find_processes_to_clean(
-        pool: &PgPooledConn,
+        conn: &PgPooledConn,
         time_lower_limit: PrimitiveDateTime,
         time_upper_limit: PrimitiveDateTime,
         runner: &str,
-        limit: i64,
+        limit: u64,
     ) -> CustomResult<Vec<Self>, errors::DatabaseError> {
-        let query = Self::table()
-            .filter(dsl::schedule_time.between(time_lower_limit, time_upper_limit))
-            .filter(dsl::status.eq(enums::ProcessTrackerStatus::ProcessStarted))
-            .filter(dsl::runner.eq(runner.to_owned()))
-            .order(dsl::schedule_time.asc())
-            .limit(limit);
-        debug!(query = %debug_query::<Pg, _>(&query).to_string());
-
-        query
-            .get_results_async(pool)
-            .await
-            .into_report()
-            .change_context(errors::DatabaseError::NotFound)
-            .attach_printable_lazy(|| "Error finding processes to clean")
+        let mut x: Vec<Self> = generics::generic_filter::<<Self as HasTable>::Table, _, _>(
+            conn,
+            dsl::schedule_time
+                .between(time_lower_limit, time_upper_limit)
+                .and(dsl::status.eq(enums::ProcessTrackerStatus::ProcessStarted))
+                .and(dsl::runner.eq(runner.to_owned())),
+            None,
+        )
+        .await?;
+        x.sort_by(|a, b| a.schedule_time.cmp(&b.schedule_time));
+        x.truncate(limit as usize);
+        Ok(x)
     }
 
     #[instrument(skip(conn))]

crates/storage_models/src/query/refund.rs

@@ -9,7 +9,7 @@ use crate::{
     CustomResult, PgPooledConn,
 };
 
-// FIXME: Find by partition key
+// FIXME: Find by partition key : Review
 
 impl RefundNew {
     #[instrument(skip(conn))]