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Support playlists with more than 50 items

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Max Isom 2021-04-01 15:20:18 -04:00
parent 633349ad75
commit 6e0d4c7927
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1 changed files with 50 additions and 20 deletions
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70
src/services/get-songs.ts
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@ -4,7 +4,7 @@ import {toSeconds, parse} from 'iso8601-duration';
import got from 'got';
import spotifyURI from 'spotify-uri';
import Spotify from 'spotify-web-api-node';
import YouTube from 'youtube.ts';
import YouTube, {YoutubePlaylistItem, YoutubePlaylistItemsSearch} from 'youtube.ts';
import pLimit from 'p-limit';
import uniqueRandomArray from 'unique-random-array';
import {QueuedSong, QueuedPlaylist} from '../services/player';
@ -52,9 +52,8 @@ export default class {
async youtubePlaylist(listId: string): Promise<QueuedSong[]> {
// YouTube playlist
const playlist = await this.youtube.playlists.get(listId);
const {items} = await this.youtube.playlists.items(listId, {maxResults: '50'});
interface videoResult {
interface VideoDetailsResponse {
id: string;
contentDetails: {
videoId: string;
@ -62,27 +61,58 @@ export default class {
};
}
// Unfortunately, package doesn't provide a method for this
const {items: videos}: {items: videoResult[]} = await got('https://www.googleapis.com/youtube/v3/videos', {searchParams: {
part: 'contentDetails',
id: items.map(item => item.contentDetails.videoId).join(','),
key: this.youtubeKey
}}).json();
const playlistVideos: YoutubePlaylistItem[] = [];
const videoDetailsPromises: Array<Promise<void>> = [];
const videoDetails: VideoDetailsResponse[] = [];
let nextToken: string | undefined;
while (playlistVideos.length !== playlist.contentDetails.itemCount) {
// TODO: https://github.com/Tenpi/youtube.ts/pull/7
// eslint-disable-next-line no-await-in-loop
const {items, nextPageToken} = (await this.youtube.playlists.items(listId, {maxResults: '50', pageToken: nextToken})) as YoutubePlaylistItemsSearch & {nextPageToken: string | undefined};
nextToken = nextPageToken;
playlistVideos.push(...items);
// Start fetching extra details about videos
videoDetailsPromises.push((async () => {
// Unfortunately, package doesn't provide a method for this
const {items: videoDetailItems}: {items: VideoDetailsResponse[]} = await got('https://www.googleapis.com/youtube/v3/videos', {searchParams: {
part: 'contentDetails',
id: items.map(item => item.contentDetails.videoId).join(','),
key: this.youtubeKey
}}).json();
videoDetails.push(...videoDetailItems);
})());
}
await Promise.all(videoDetailsPromises);
const queuedPlaylist = {title: playlist.snippet.title, source: playlist.id};
return items.map(video => {
const length = toSeconds(parse(videos.find((i: { id: string }) => i.id === video.contentDetails.videoId)!.contentDetails.duration));
const songsToReturn: QueuedSong[] = [];
return {
title: video.snippet.title,
artist: video.snippet.channelTitle,
length,
url: video.contentDetails.videoId,
playlist: queuedPlaylist,
isLive: false
};
});
for (let video of playlistVideos) {
try {
const length = toSeconds(parse(videoDetails.find((i: { id: string }) => i.id === video.contentDetails.videoId)!.contentDetails.duration));
songsToReturn.push({
title: video.snippet.title,
artist: video.snippet.channelTitle,
length,
url: video.contentDetails.videoId,
playlist: queuedPlaylist,
isLive: false
});
} catch (_: unknown) {
// Private and deleted videos are sometimes in playlists, duration of these is not returned and they should not be added to the queue.
}
}
return songsToReturn;
}
async spotifySource(url: string): Promise<[QueuedSong[], number, number]> {