Update mp3 ID3 tags for general conference talks

update-id3.mp3.js

import path from 'node:path'
import assert from 'node:assert'
import * as fs from 'node:fs/promises'
// from scraping: https://www.churchofjesuschrist.org/study/general-conference/speakers/dallin-h-oaks?lang=eng
// with:
/*
function toDate(string) {
    const [month, year] = string.split(' ')
    return `${year}-${month.includes('Apr') ? '04' : '10'}-30`
}
copy($$('.sc-omeqik-2').reverse().map(n => ({date: toDate(n.children[0].textContent), title: n.children[1].textContent})))
*/
import data from './raw.json' assert { type: 'json' }
import * as mm from 'music-metadata'
import NodeID3 from 'node-id3'

// from downloading all the files for each talk on
// https://www.churchofjesuschrist.org/study/general-conference/speakers/dallin-h-oaks?lang=eng
const mp3Files = await fs.readdir('./mp3s')

assert.strictEqual(data.length, mp3Files.length)

const start = 0
const iterations = mp3Files.length
// const iterations = start + 1
for (let index = start; index < iterations; index++) {
	const file = mp3Files[index]
	const d = data[index]
	const filepath = path.join('./mp3s', file)
	const meta = await mm.parseFile(filepath)
	const isTitleTheSame =
		normalizeTitle(meta.common.title) === normalizeTitle(d.title)

	const tags = {}

	// year === date 🙃
	const currentDate = meta.native['ID3v2.3']?.find(i => i.id === 'TXXX:year')
	if (!currentDate) {
		tags.date = d.date
		tags.year = d.date
		tags.userDefinedText = [
			{
				description: 'year',
				value: d.date,
			},
		]
	}
	if (!isTitleTheSame) {
		tags.title = d.title
	}
	if (!meta.common.picture) {
		tags.image = './art.jpg'
	}

	if (Object.entries(tags).length === 0) {
		console.log('no need to update', filepath)
		continue
	}

	console.log('updating', filepath, tags)

	NodeID3.update(tags, filepath)
}

function normalizeTitle(title) {
	if (!title) return ''
	return title.replace(/“/g, '"').replace(/”/g, '"').replace(/’/g, "'")
}