46 lines
2.4 KiB
TypeScript
46 lines
2.4 KiB
TypeScript
import { BaseSchema } from '@adonisjs/lucid/schema'
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/**
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* Newznab category per release (CONCEPT.md D23), derived from the name and
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* the archive contents. A stored generated column, so it follows renames
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* and newly listed contents without any application code.
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*/
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export default class extends BaseSchema {
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async up() {
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this.defer(async (db) => {
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await db.rawQuery(`
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CREATE OR REPLACE FUNCTION release_category(name text, contents jsonb) RETURNS integer IMMUTABLE LANGUAGE sql AS $$
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SELECT CASE
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-- TV: S01E02, 1x02, or a season pack (S01).
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WHEN name ~* '(^|[._ -])(S\\d{1,2}E\\d{1,3}|\\d{1,2}x\\d{2})([._ -]|$)' OR name ~* '[._ -]S\\d{1,2}([._ -]|$)' THEN
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CASE WHEN name ~* '2160p|(^|[._ -])(uhd|4k)([._ -]|$)' THEN 5045
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WHEN name ~* '720p|1080p' THEN 5040 ELSE 5030 END
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-- Movies: a year plus a source or quality marker.
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WHEN name ~* '(^|[._ (-])(19|20)\\d{2}([._ )-]|$)'
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AND name ~* '(480p|576p|720p|1080p|2160p|blu-?ray|web-?dl|webrip|bdrip|brrip|dvdrip|hdtv|x26[45]|h\\.?26[45]|hevc|remux)' THEN
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CASE WHEN name ~* '2160p|(^|[._ -])(uhd|4k)([._ -]|$)' THEN 2045
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WHEN name ~* '720p|1080p|blu-?ray' THEN 2040 ELSE 2030 END
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-- Audio: lossless or mp3 by contents, otherwise scene music names (-WEB-2026-GROUP).
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WHEN coalesce(contents::text, '') ~* '\\.flac"' OR name ~* '(^|[._ -])flac([._ -]|$)' THEN 3040
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WHEN coalesce(contents::text, '') ~* '\\.mp3"' OR name ~* '(^|[._ -])mp3([._ -]|$)'
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OR name ~* '-(WEB|CD|CDM|CDS|EP|VINYL|VLS|SAT|FM|DAB)-(19|20)\\d{2}-[A-Za-z0-9]+$' THEN 3010
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WHEN coalesce(contents::text, '') ~* '\\.(epub|mobi|azw3)"' OR name ~* '(^|[._ -])(epub|ebook|mobi)([._ -]|$)' THEN 7020
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WHEN coalesce(contents::text, '') ~* '\\.(exe|msi|dmg)"' THEN 4000
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ELSE 8010
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END
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$$`)
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await db.rawQuery(
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'ALTER TABLE releases ADD COLUMN category integer GENERATED ALWAYS AS (release_category(name, contents)) STORED'
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)
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await db.rawQuery('CREATE INDEX releases_category_idx ON releases (category)')
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})
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}
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async down() {
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this.defer(async (db) => {
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await db.rawQuery('ALTER TABLE releases DROP COLUMN IF EXISTS category')
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await db.rawQuery('DROP FUNCTION IF EXISTS release_category(text, jsonb)')
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})
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}
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}
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