Added the watch and scheduler systems

src/entities/artist.rs

@@ -14,6 +14,9 @@ pub struct Model {
     pub top_songs: String,
     /// JSON-serialized Vec of similar artist info
     pub similar_artists: String,
+    pub monitored: bool,
+    #[sea_orm(nullable)]
+    pub last_checked_at: Option<chrono::NaiveDateTime>,
 }
 
 #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]

src/migration/m20260320_000013_add_artist_monitoring.rs

@@ -0,0 +1,59 @@
+use sea_orm_migration::prelude::*;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .alter_table(
+                Table::alter()
+                    .table(Artists::Table)
+                    .add_column(
+                        ColumnDef::new(Artists::Monitored)
+                            .boolean()
+                            .not_null()
+                            .default(false),
+                    )
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .alter_table(
+                Table::alter()
+                    .table(Artists::Table)
+                    .add_column(ColumnDef::new(Artists::LastCheckedAt).timestamp())
+                    .to_owned(),
+            )
+            .await
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .alter_table(
+                Table::alter()
+                    .table(Artists::Table)
+                    .drop_column(Artists::LastCheckedAt)
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .alter_table(
+                Table::alter()
+                    .table(Artists::Table)
+                    .drop_column(Artists::Monitored)
+                    .to_owned(),
+            )
+            .await
+    }
+}
+
+#[derive(DeriveIden)]
+enum Artists {
+    Table,
+    Monitored,
+    LastCheckedAt,
+}

src/migration/mod.rs

@@ -11,6 +11,7 @@ mod m20260317_000009_add_wanted_name;
 mod m20260317_000010_add_wanted_mbid;
 mod m20260319_000011_create_users;
 mod m20260319_000012_add_user_id_to_wanted_items;
+mod m20260320_000013_add_artist_monitoring;
 
 pub struct Migrator;
 
@@ -29,6 +30,7 @@ impl MigratorTrait for Migrator {
             Box::new(m20260317_000010_add_wanted_mbid::Migration),
             Box::new(m20260319_000011_create_users::Migration),
             Box::new(m20260319_000012_add_user_id_to_wanted_items::Migration),
+            Box::new(m20260320_000013_add_artist_monitoring::Migration),
         ]
     }
 }

src/queries/artists.rs

@@ -38,6 +38,8 @@ pub async fn upsert(
         added_at: Set(now),
         top_songs: Set("[]".to_string()),
         similar_artists: Set("[]".to_string()),
+        monitored: Set(false),
+        last_checked_at: Set(None),
         ..Default::default()
     };
     match active.insert(db).await {
@@ -109,3 +111,25 @@ pub async fn delete(db: &DatabaseConnection, id: i32) -> DbResult<()> {
     Artists::delete_by_id(id).exec(db).await?;
     Ok(())
 }
+
+pub async fn set_monitored(db: &DatabaseConnection, id: i32, monitored: bool) -> DbResult<Artist> {
+    let existing = get_by_id(db, id).await?;
+    let mut active: ActiveModel = existing.into();
+    active.monitored = Set(monitored);
+    Ok(active.update(db).await?)
+}
+
+pub async fn list_monitored(db: &DatabaseConnection) -> DbResult<Vec<Artist>> {
+    Ok(Artists::find()
+        .filter(artist::Column::Monitored.eq(true))
+        .order_by_asc(artist::Column::Name)
+        .all(db)
+        .await?)
+}
+
+pub async fn update_last_checked(db: &DatabaseConnection, id: i32) -> DbResult<Artist> {
+    let existing = get_by_id(db, id).await?;
+    let mut active: ActiveModel = existing.into();
+    active.last_checked_at = Set(Some(Utc::now().naive_utc()));
+    Ok(active.update(db).await?)
+}