mirror of https://github.com/Chocobozzz/PeerTube
74 lines
2.2 KiB
TypeScript
74 lines
2.2 KiB
TypeScript
import { HttpStatusCode, ResultList, VideoPlaylistElement } from '@peertube/peertube-models'
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import { logger } from '../../../root-helpers'
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import { AuthHTTP } from './auth-http'
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export class PlaylistFetcher {
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constructor (private readonly http: AuthHTTP) {
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}
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async loadPlaylist (playlistId: string) {
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const playlistPromise = this.loadPlaylistInfo(playlistId)
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const playlistElementsPromise = this.loadPlaylistElements(playlistId)
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let playlistResponse: Response
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let isResponseOk: boolean
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try {
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playlistResponse = await playlistPromise
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isResponseOk = playlistResponse.status === HttpStatusCode.OK_200
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} catch (err) {
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logger.error(err)
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isResponseOk = false
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}
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if (!isResponseOk) {
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if (playlistResponse?.status === HttpStatusCode.NOT_FOUND_404) {
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throw new Error('This playlist does not exist.')
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}
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throw new Error('We cannot fetch the playlist. Please try again later.')
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}
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return { playlistResponse, videosResponse: await playlistElementsPromise }
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}
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async loadAllPlaylistVideos (playlistId: string, baseResult: ResultList<VideoPlaylistElement>) {
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let elements = baseResult.data
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let total = baseResult.total
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let i = 0
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while (total > elements.length && i < 10) {
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const result = await this.loadPlaylistElements(playlistId, elements.length)
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const json = await result.json()
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total = json.total
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elements = elements.concat(json.data)
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i++
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}
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if (i === 10) {
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logger.error('Cannot fetch all playlists elements, there are too many!')
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}
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return elements
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}
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private loadPlaylistInfo (playlistId: string): Promise<Response> {
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return this.http.fetch(this.getPlaylistUrl(playlistId), { optionalAuth: true })
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}
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private loadPlaylistElements (playlistId: string, start = 0): Promise<Response> {
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const url = new URL(this.getPlaylistUrl(playlistId) + '/videos')
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url.search = new URLSearchParams({ start: '' + start, count: '100' }).toString()
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return this.http.fetch(url.toString(), { optionalAuth: true })
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}
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private getPlaylistUrl (id: string) {
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return window.location.origin + '/api/v1/video-playlists/' + id
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}
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}
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