Files
usenet-indexer/commands/releases_merge_names.ts
T
Daan MeijerandClaude Opus 5.5 e00e4f3988
Test and deploy / test (push) Successful in 1m5s
Test and deploy / edge (push) Successful in 2m0s
Test and deploy / deploy (push) Successful in 1m19s
Join an upload's releases by its par2 set's file names
The files of one upload often became several releases whose names
differ slightly: scene tracks apart from their album's nfo/sfv/par2,
"Vermaechtnis" beside a garbled "Vermächtnis", an index named
Die.Bergretter.S18E05... beside its video wishtv-diebergretter-s18e05.
The par2 merge joined releases only by first-16-KiB hashes, which
readable files never get. A name pass now looks, for every set the
merger finds, at the set poster's releases in its group posted within
12 hours: those whose files the set all names (without case or
punctuation, Latin-1-read UTF-8 read back; sidecars, par2 and images
aside) join the set's release, within the hash pass's file bound.
Merges are kept in release_merges as via 'name'. releases:merge-names
runs it over the sets found before; on 300 recent sets 22 merges of 147
releases, all one upload each.

Also: volumes split after .wmv, .mov, .mpg and other video extensions
share a stem ("Morning Lovers.wmv.001" to ".058" were 58 releases), in
the Rust edge and the TypeScript identity.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-23 14:02:51 +02:00

62 lines
2.6 KiB
TypeScript

import { BaseCommand, flags } from '@adonisjs/core/ace'
import type { CommandOptions } from '@adonisjs/core/types/ace'
import db from '@adonisjs/lucid/services/db'
import { Par2Merger } from '#services/par2_merger'
/**
* The par2 merger's name pass over sets found before it was built (2026-10-23): every set with its file list, newest
* first, by set row. --dry-run counts what it would merge and shows examples, merging nothing.
*/
export default class ReleasesMergeNames extends BaseCommand {
static commandName = 'releases:merge-names'
static description = "Merges releases by their par2 set's file names, for sets found before the name pass; --dry-run shows only"
static options: CommandOptions = { startApp: true }
@flags.number({ description: 'Sets to look at (newest first); all without' })
declare sets: number
@flags.boolean({ description: 'Count and show, merge nothing' })
declare dryRun: boolean
async run() {
const merger = new Par2Merger()
let before = '9999-12-31'
let looked = 0
let merges = 0
let releases = 0
const examples: string[] = []
while (this.sets === undefined || looked < this.sets) {
const { rows } = await db.rawQuery(
`SELECT s.set_id, max(s.created_at) AS at FROM par2_sets s WHERE s.created_at < ? AND EXISTS (SELECT 1 FROM par2_files f WHERE f.set_id = s.set_id)
GROUP BY s.set_id ORDER BY at DESC LIMIT ${this.dryRun ? 50 : 500}`,
[before]
)
if (rows.length === 0) break
for (const { set_id: setId } of rows) {
looked++
if (this.dryRun) {
const found = await db.transaction(async (trx) => merger.nameMatches(trx, setId.trim()))
if (found) {
merges++
releases += found.size
if (examples.length < 15) {
const { rows: names } = await db.rawQuery(`SELECT id, name, files FROM releases WHERE id = ANY(?) ORDER BY id`, [[...found.keys()]])
examples.push(names.map((n: any) => `${n.name.slice(0, 50)} [${n.files}]`).join(' + '))
}
}
} else {
const merged = await merger.mergeByName(setId.trim())
if (merged > 0) {
merges++
releases += merged + 1
}
}
}
before = rows.at(-1).at
if (this.dryRun || looked % 20_000 < 500) this.logger.info(`${looked} sets looked at: ${releases} releases ${this.dryRun ? 'would merge' : 'merged'} into ${merges}.`)
}
this.logger.info(`Done: ${looked} sets looked at, ${releases} releases ${this.dryRun ? 'would merge' : 'merged'} into ${merges}.`)
for (const e of examples) this.logger.info(` ${e.slice(0, 300)}`)
}
}