Revision of last.fm-to-mastodon.js

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1 file changed, 137 insertions

last.fm-to-mastodon.js(file created)

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1	+	// Variables used by Scriptable.
2	+	// These must be at the very top of the file. Do not edit.
3	+	// icon-color: pink; icon-glyph: headphones-alt;
4	+	// Last.fm to Mastodon
5	+	// by @zicklepop@nyan.lol
6	+	//
7	+	// Set a profile field to your currently playing track
8	+	//
9	+	// Requirements:
10	+	// - API Key from Last.fm: https://www.last.fm/api
11	+	// - Token from Mastodon with permission scopes for:
12	+	// `read:account` and `write:account`
13	+	// - Find it on your Mastodon instance website under
14	+	// Settings -> Development -> New Application
15	+
16	+	// Script Constants
17	+	// - Ignore, just defining before use
18	+	// Continue down to config
19	+
20	+	const LASTFM_URL_IN_VALUE = 'LASTFM_URL_IN_VALUE'
21	+	const LASTFM_IN_NAME = 'LASTFM_IN_NAME'
22	+
23	+	// Config
24	+	// - Put in your details below
25	+	// - Find Field By:
26	+	// - When set to LASTFM_URL_IN_VALUE the script will
27	+	// look for a last.fm url in a field value and set
28	+	// the title of the field to the current track
29	+	// - When set to LASTFM_IN_NAME the script will look
30	+	// for a field title that is `last.fm` (case-insenstive)
31	+	// and set the value to the current track
32	+
33	+	const LASTFM_USERNAME = ''
34	+	const LASTFM_API_KEY = ''
35	+	const MASTODON_INSTANCE = '' // ie: social.lol
36	+	const MASTODON_TOKEN = ''
37	+	const FIND_FIELD_BY = LASTFM_URL_IN_VALUE // or LASTFM_IN_NAME
38	+
39	+	// More Script Constants
40	+	// - You can ignore this too
41	+
42	+	const LASTFM_API = `http://ws.audioscrobbler.com/2.0/?method=user.getrecenttracks&user=${LASTFM_USERNAME}&api_key=${LASTFM_API_KEY}&format=json&limit=1`
43	+	const MASTODON_GET_ACCOUNT_API = `https://${MASTODON_INSTANCE}/api/v1/accounts/verify_credentials`
44	+	const MASTODON_UPDATE_FIELDS_API = `https://${MASTODON_INSTANCE}/api/v1/accounts/update_credentials`
45	+	const MASTODON_HEADERS = {
46	+	'Content-Type': 'application/json',
47	+	Authorization: `Bearer ${MASTODON_TOKEN}`,
48	+	}
49	+
50	+	// Last FM Related Functions
51	+
52	+	function formatTrackString(track) {
53	+	const { artist, album, name } = track
54	+	const albumName = album['#text']
55	+	const artistName = artist['#text']
56	+
57	+	// If you want to change the format of the track
58	+	// value, you would do it here.
59	+	return `${artistName} - ${albumName} - ${name}`
60	+	}
61	+
62	+	async function getLatestTrack() {
63	+	const res = new Request(LASTFM_API)
64	+	const data = await res.loadJSON()
65	+	const track = data.recenttracks.track[0]
66	+	return formatTrackString(track)
67	+	}
68	+
69	+	// Mastodon Related Functions
70	+
71	+	function findProfileField(el, i) {
72	+	const { name, value } = el
73	+	if (FIND_FIELD_BY === LASTFM_URL_IN_VALUE) {
74	+	return value.toLowerCase().indexOf('last.fm/user/') >= 0
75	+	}
76	+	if (FIND_FIELD_BY === LASTFM_IN_NAME) {
77	+	return name.toLowerCase().indexOf('last.fm') >= 0
78	+	}
79	+	return false
80	+	}
81	+
82	+	function buildFieldParams(fields) {
83	+	return fields.reduce((out, { name, value }, index) => {
84	+	const prefix = index === 0 ? '?' : '&'
85	+	return `${out}${prefix}fields_attributes[${index}][name]=${encodeURIComponent(
86	+	name
87	+	)}&fields_attributes[${index}][value]=${encodeURIComponent(value)}`
88	+	}, '')
89	+	}
90	+
91	+	async function getFields() {
92	+	const res = new Request(MASTODON_GET_ACCOUNT_API)
93	+	res.headers = MASTODON_HEADERS
94	+	const data = await res.loadJSON()
95	+	const { source } = data
96	+	const { fields } = source
97	+	const targetField = fields.find(findProfileField)
98	+	const index = fields.indexOf(targetField)
99	+	return { index, fields }
100	+	}
101	+
102	+	async function updateMastodonField() {
103	+	const latestTrack = await getLatestTrack()
104	+	const { fields, index } = await getFields()
105	+	let hasChange = false
106	+
107	+	if (FIND_FIELD_BY === LASTFM_URL_IN_VALUE) {
108	+	if (fields[index].name !== latestTrack) {
109	+	hasChange = true
110	+	fields[index].name = latestTrack
111	+	}
112	+	}
113	+	if (FIND_FIELD_BY === LASTFM_IN_NAME) {
114	+	if (fields[index].value !== latestTrack) {
115	+	hasChange = true
116	+	fields[index].value = latestTrack
117	+	}
118	+	}
119	+
120	+	if (hasChange) {
121	+	const apiUrl = `${MASTODON_UPDATE_FIELDS_API}${buildFieldParams(fields)}`
122	+	const res = new Request(apiUrl)
123	+	res.headers = MASTODON_HEADERS
124	+	res.method = 'PATCH'
125	+	const data = await res.loadJSON()
126	+
127	+	if (data.error) {
128	+	console.log(`Error: ${data.error}`)
129	+	} else {
130	+	console.log('Updated')
131	+	}
132	+	} else {
133	+	console.log('No change')
134	+	}
135	+	}
136	+
137	+	await updateMastodonField()

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