6f76cbdfc755a23f14f882600b86a7366e93747d
[oweals/peertube.git] / server / helpers / video.ts
1 import { VideoModel } from '../models/video/video'
2 import * as Bluebird from 'bluebird'
3 import {
4   isStreamingPlaylist,
5   MStreamingPlaylistVideo,
6   MVideo,
7   MVideoAccountLightBlacklistAllFiles,
8   MVideoFile,
9   MVideoFullLight,
10   MVideoIdThumbnail,
11   MVideoImmutable,
12   MVideoThumbnail,
13   MVideoWithRights
14 } from '@server/typings/models'
15 import { Response } from 'express'
16 import { DEFAULT_AUDIO_RESOLUTION } from '@server/initializers/constants'
17 import { JobQueue } from '@server/lib/job-queue'
18 import { VideoTranscodingPayload } from '@shared/models'
19
20 type VideoFetchType = 'all' | 'only-video' | 'only-video-with-rights' | 'id' | 'none' | 'only-immutable-attributes'
21
22 function fetchVideo (id: number | string, fetchType: 'all', userId?: number): Bluebird<MVideoFullLight>
23 function fetchVideo (id: number | string, fetchType: 'only-immutable-attributes'): Bluebird<MVideoImmutable>
24 function fetchVideo (id: number | string, fetchType: 'only-video', userId?: number): Bluebird<MVideoThumbnail>
25 function fetchVideo (id: number | string, fetchType: 'only-video-with-rights', userId?: number): Bluebird<MVideoWithRights>
26 function fetchVideo (id: number | string, fetchType: 'id' | 'none', userId?: number): Bluebird<MVideoIdThumbnail>
27 function fetchVideo (
28   id: number | string,
29   fetchType: VideoFetchType,
30   userId?: number
31 ): Bluebird<MVideoFullLight | MVideoThumbnail | MVideoWithRights | MVideoIdThumbnail | MVideoImmutable>
32 function fetchVideo (
33   id: number | string,
34   fetchType: VideoFetchType,
35   userId?: number
36 ): Bluebird<MVideoFullLight | MVideoThumbnail | MVideoWithRights | MVideoIdThumbnail | MVideoImmutable> {
37   if (fetchType === 'all') return VideoModel.loadAndPopulateAccountAndServerAndTags(id, undefined, userId)
38
39   if (fetchType === 'only-immutable-attributes') return VideoModel.loadImmutableAttributes(id)
40
41   if (fetchType === 'only-video-with-rights') return VideoModel.loadWithRights(id)
42
43   if (fetchType === 'only-video') return VideoModel.load(id)
44
45   if (fetchType === 'id' || fetchType === 'none') return VideoModel.loadOnlyId(id)
46 }
47
48 type VideoFetchByUrlType = 'all' | 'only-video' | 'only-immutable-attributes'
49
50 function fetchVideoByUrl (url: string, fetchType: 'all'): Bluebird<MVideoAccountLightBlacklistAllFiles>
51 function fetchVideoByUrl (url: string, fetchType: 'only-immutable-attributes'): Bluebird<MVideoImmutable>
52 function fetchVideoByUrl (url: string, fetchType: 'only-video'): Bluebird<MVideoThumbnail>
53 function fetchVideoByUrl (
54   url: string,
55   fetchType: VideoFetchByUrlType
56 ): Bluebird<MVideoAccountLightBlacklistAllFiles | MVideoThumbnail | MVideoImmutable>
57 function fetchVideoByUrl (
58   url: string,
59   fetchType: VideoFetchByUrlType
60 ): Bluebird<MVideoAccountLightBlacklistAllFiles | MVideoThumbnail | MVideoImmutable> {
61   if (fetchType === 'all') return VideoModel.loadByUrlAndPopulateAccount(url)
62
63   if (fetchType === 'only-immutable-attributes') return VideoModel.loadByUrlImmutableAttributes(url)
64
65   if (fetchType === 'only-video') return VideoModel.loadByUrl(url)
66 }
67
68 function getVideoWithAttributes (res: Response) {
69   return res.locals.videoAll || res.locals.onlyVideo || res.locals.onlyVideoWithRights
70 }
71
72 function addOptimizeOrMergeAudioJob (video: MVideo, videoFile: MVideoFile) {
73   let dataInput: VideoTranscodingPayload
74
75   if (videoFile.isAudio()) {
76     dataInput = {
77       type: 'merge-audio' as 'merge-audio',
78       resolution: DEFAULT_AUDIO_RESOLUTION,
79       videoUUID: video.uuid,
80       isNewVideo: true
81     }
82   } else {
83     dataInput = {
84       type: 'optimize' as 'optimize',
85       videoUUID: video.uuid,
86       isNewVideo: true
87     }
88   }
89
90   return JobQueue.Instance.createJobWithPromise({ type: 'video-transcoding', payload: dataInput })
91 }
92
93 function extractVideo (videoOrPlaylist: MVideo | MStreamingPlaylistVideo) {
94   return isStreamingPlaylist(videoOrPlaylist)
95     ? videoOrPlaylist.Video
96     : videoOrPlaylist
97 }
98
99 export {
100   VideoFetchType,
101   VideoFetchByUrlType,
102   fetchVideo,
103   getVideoWithAttributes,
104   fetchVideoByUrl,
105   addOptimizeOrMergeAudioJob,
106   extractVideo
107 }