Furumi init

src/jobs/artist_image_backfill.rs

@@ -0,0 +1,58 @@
+use crate::scheduler::{Job, JobContext, JobLog};
+
+/// Periodic job that auto-assigns artist images from their release covers.
+///
+/// For every artist that has no `image_file_id`, picks the cover of the most
+/// recent release (by year) that has one. Runs after the cover backfill job
+/// so freshly-extracted covers are available.
+pub struct ArtistImageBackfillJob;
+
+#[async_trait::async_trait]
+impl Job for ArtistImageBackfillJob {
+    fn name(&self) -> &'static str {
+        "artist_image_backfill"
+    }
+
+    fn description(&self) -> &'static str {
+        "Auto-assign artist images from release covers"
+    }
+
+    fn default_cron(&self) -> &'static str {
+        // 03:15 daily — after cover_backfill at 03:00
+        "0 15 3 * * *"
+    }
+
+    async fn run(&self, ctx: &JobContext, log: &mut JobLog) -> anyhow::Result<()> {
+        let result = sqlx::query(
+            "UPDATE furumusic__artist a \
+             SET image_file_id = ( \
+                 SELECT r.cover_file_id \
+                 FROM furumusic__release_artist ra \
+                 JOIN furumusic__release r ON r.id = ra.release_id \
+                 WHERE ra.artist_id = a.id \
+                   AND r.cover_file_id IS NOT NULL \
+                 ORDER BY r.year DESC NULLS LAST \
+                 LIMIT 1 \
+             ), \
+             updated_at = $1 \
+             WHERE a.image_file_id IS NULL \
+               AND EXISTS ( \
+                   SELECT 1 FROM furumusic__release_artist ra2 \
+                   JOIN furumusic__release r2 ON r2.id = ra2.release_id \
+                   WHERE ra2.artist_id = a.id AND r2.cover_file_id IS NOT NULL \
+               )",
+        )
+        .bind(chrono::Utc::now().format("%Y-%m-%dT%H:%M:%SZ").to_string())
+        .execute(&ctx.pool)
+        .await?;
+
+        let count = result.rows_affected();
+        if count > 0 {
+            log.info(&format!("Assigned images to {count} artists from release covers"));
+        } else {
+            log.info("All artists already have images (or no covers available)");
+        }
+
+        Ok(())
+    }
+}