feat(channel): add auto-schedule feature to channels with background scheduler

k-tv-backend/infra/src/channel_repository/mapping.rs

@@ -13,6 +13,7 @@ pub(super) struct ChannelRow {
     pub timezone: String,
     pub schedule_config: String,
     pub recycle_policy: String,
+    pub auto_schedule: i64,
     pub created_at: String,
     pub updated_at: String,
 }
@@ -51,6 +52,7 @@ impl TryFrom<ChannelRow> for Channel {
             timezone: row.timezone,
             schedule_config,
             recycle_policy,
+            auto_schedule: row.auto_schedule != 0,
             created_at: parse_dt(&row.created_at)?,
             updated_at: parse_dt(&row.updated_at)?,
         })
@@ -58,4 +60,4 @@ impl TryFrom<ChannelRow> for Channel {
 }
 
 pub(super) const SELECT_COLS: &str =
-    "id, owner_id, name, description, timezone, schedule_config, recycle_policy, created_at, updated_at";
+    "id, owner_id, name, description, timezone, schedule_config, recycle_policy, auto_schedule, created_at, updated_at";

k-tv-backend/infra/src/channel_repository/postgres.rs

@@ -61,14 +61,15 @@ impl ChannelRepository for PostgresChannelRepository {
         sqlx::query(
             r#"
             INSERT INTO channels
-                (id, owner_id, name, description, timezone, schedule_config, recycle_policy, created_at, updated_at)
-            VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)
+                (id, owner_id, name, description, timezone, schedule_config, recycle_policy, auto_schedule, created_at, updated_at)
+            VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)
             ON CONFLICT(id) DO UPDATE SET
                 name            = EXCLUDED.name,
                 description     = EXCLUDED.description,
                 timezone        = EXCLUDED.timezone,
                 schedule_config = EXCLUDED.schedule_config,
                 recycle_policy  = EXCLUDED.recycle_policy,
+                auto_schedule   = EXCLUDED.auto_schedule,
                 updated_at      = EXCLUDED.updated_at
             "#,
         )
@@ -79,6 +80,7 @@ impl ChannelRepository for PostgresChannelRepository {
         .bind(&channel.timezone)
         .bind(&schedule_config)
         .bind(&recycle_policy)
+        .bind(channel.auto_schedule as i64)
         .bind(channel.created_at.to_rfc3339())
         .bind(channel.updated_at.to_rfc3339())
         .execute(&self.pool)
@@ -88,6 +90,18 @@ impl ChannelRepository for PostgresChannelRepository {
         Ok(())
     }
 
+    async fn find_auto_schedule_enabled(&self) -> DomainResult<Vec<Channel>> {
+        let sql = format!(
+            "SELECT {SELECT_COLS} FROM channels WHERE auto_schedule = 1 ORDER BY created_at ASC"
+        );
+        let rows: Vec<ChannelRow> = sqlx::query_as(&sql)
+            .fetch_all(&self.pool)
+            .await
+            .map_err(|e| DomainError::RepositoryError(e.to_string()))?;
+
+        rows.into_iter().map(Channel::try_from).collect()
+    }
+
     async fn delete(&self, id: ChannelId) -> DomainResult<()> {
         sqlx::query("DELETE FROM channels WHERE id = $1")
             .bind(id.to_string())

k-tv-backend/infra/src/channel_repository/sqlite.rs

@@ -61,14 +61,15 @@ impl ChannelRepository for SqliteChannelRepository {
         sqlx::query(
             r#"
             INSERT INTO channels
-                (id, owner_id, name, description, timezone, schedule_config, recycle_policy, created_at, updated_at)
-            VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
+                (id, owner_id, name, description, timezone, schedule_config, recycle_policy, auto_schedule, created_at, updated_at)
+            VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
             ON CONFLICT(id) DO UPDATE SET
                 name            = excluded.name,
                 description     = excluded.description,
                 timezone        = excluded.timezone,
                 schedule_config = excluded.schedule_config,
                 recycle_policy  = excluded.recycle_policy,
+                auto_schedule   = excluded.auto_schedule,
                 updated_at      = excluded.updated_at
             "#,
         )
@@ -79,6 +80,7 @@ impl ChannelRepository for SqliteChannelRepository {
         .bind(&channel.timezone)
         .bind(&schedule_config)
         .bind(&recycle_policy)
+        .bind(channel.auto_schedule as i64)
         .bind(channel.created_at.to_rfc3339())
         .bind(channel.updated_at.to_rfc3339())
         .execute(&self.pool)
@@ -88,6 +90,18 @@ impl ChannelRepository for SqliteChannelRepository {
         Ok(())
     }
 
+    async fn find_auto_schedule_enabled(&self) -> DomainResult<Vec<Channel>> {
+        let sql = format!(
+            "SELECT {SELECT_COLS} FROM channels WHERE auto_schedule = 1 ORDER BY created_at ASC"
+        );
+        let rows: Vec<ChannelRow> = sqlx::query_as(&sql)
+            .fetch_all(&self.pool)
+            .await
+            .map_err(|e| DomainError::RepositoryError(e.to_string()))?;
+
+        rows.into_iter().map(Channel::try_from).collect()
+    }
+
     async fn delete(&self, id: ChannelId) -> DomainResult<()> {
         sqlx::query("DELETE FROM channels WHERE id = ?")
             .bind(id.to_string())