49 lines
2.6 KiB
TypeScript
49 lines
2.6 KiB
TypeScript
import db from '@adonisjs/lucid/services/db'
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/** Releases unchanged for this long are settled (ranges are read in order; the merger adds within minutes). */
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const QUIET_HOURS = 6
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/**
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* History: a release whose last post is QUIET_HOURS old gets nothing new from the tail, only from the
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* neighbouring ranges' fragments, which the merger adds within minutes: settled once unchanged this long.
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* Waiting QUIET_HOURS after it was read held every history release back from phase 2 for six hours after
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* each reset (the hourly sweeps' resets kept the prober idle; LOG.md 2026-10-12 (13)).
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*/
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const QUIET_HISTORY_MINUTES = 30
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const BATCH = 50_000
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/**
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* Settles releases (REBUILD.md, part 8): once nothing has been added for
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* QUIET_HOURS (QUIET_HISTORY_MINUTES once its last post is that old), its completeness is decided: complete when every file the
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* [i/N] counter announced was found, unknown without a counter (phase 2
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* reads par2 sets for those). Phase 2 picks its work from settled releases.
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*/
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class Settler {
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/** Up to `batches` batches of BATCH (all there are without). */
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async run(batches = Infinity): Promise<number> {
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let settled = 0
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for (let batch = 0; batch < batches; batch++) {
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// Their probe candidates become claimable (Prober.claim), the unreadable ones first.
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const { rows } = await db.rawQuery(
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`WITH settled AS (
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UPDATE releases SET settled_at = now(), complete = CASE WHEN file_total IS NULL THEN NULL ELSE files >= file_total END
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WHERE id IN (SELECT id FROM releases WHERE settled_at IS NULL AND last_seen_at < now() - make_interval(mins => ?)
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AND (last_seen_at < now() - make_interval(hours => ?) OR coalesce(last_posted_at, posted_at) < now() - make_interval(hours => ?)) LIMIT ?)
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RETURNING id, readable, files, bytes, poster, sidecar_only),
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marked AS (UPDATE probe_candidates pc SET ready = true, unreadable = NOT s.readable FROM settled s WHERE pc.release_id = s.id),
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-- A small one of sidecars only (the batch store's sidecar_only) may be an upload's .nfo or .nzb that came apart
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-- from it: the merger's sidecar fold looks at them.
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queued AS (INSERT INTO fold_candidates (release_id) SELECT id FROM settled WHERE sidecar_only AND files <= 3 AND bytes < 1000000 AND poster IS NOT NULL
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ON CONFLICT DO NOTHING)
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SELECT count(*)::int AS n FROM settled`,
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[QUIET_HISTORY_MINUTES, QUIET_HOURS, QUIET_HOURS, BATCH]
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)
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const n = rows[0].n
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settled += n
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if (n < BATCH) return settled
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}
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return settled
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}
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}
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export default new Settler()
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