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