Created
January 21, 2017 12:40
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| let pause = function (ms) { | |
| return new Promise(function (resolve, reject) { | |
| setTimeout(function () { | |
| return resolve(true); | |
| }, ms); | |
| }); | |
| }; | |
| let fetchArtists = async function (lastFmApiKey) { | |
| let res = await fetch('https://ws.audioscrobbler.com/2.0/?method=library.getartists&api_key=' + lastFmApiKey + '&user=guillaumel&limit=500&format=json'); | |
| return (await res.json()).artists.artist.map(a => a.name) | |
| .filter(name => name.indexOf('feat.') === -1) | |
| .filter(name => name.indexOf('featuring') === -1) | |
| }; | |
| let followArtists = async function (oauthToken, artists) { | |
| let artistIds = []; | |
| while (artists.length) { | |
| let artistName = artists.shift(); | |
| let json = await fetch('https://api.spotify.com/v1/search?q=' + encodeURIComponent(artistName) + '&type=artist').then(res => res.json()); | |
| if (json.artists && json.artists.items && json.artists.items.length > 0) { | |
| artistIds.push(json.artists.items[0].id); | |
| } | |
| if (artistIds.length === 50 || artists.length === 0) { | |
| console.log(artistIds); | |
| await fetch('https://api.spotify.com/v1/me/following?type=artist', { | |
| method: "PUT", | |
| body: JSON.stringify({ids: artistIds}), | |
| headers: { | |
| 'Accept': 'application/json', | |
| 'Content-Type': 'application/json', | |
| 'Authorization': 'Bearer ' + oauthToken, | |
| }, | |
| }) | |
| // PUT to follow | |
| artistIds = []; | |
| } | |
| await pause(100); | |
| } | |
| } | |
| fetchArtists(YOUR_LAST_FM_API_KEY).then(followArtists.bind(null, YOUR_SPOTIFY_OAUTH_TOKEN)); |
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