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1 | import { Transaction } from 'sequelize' | |
2 | import { MActorId, MVideoRedundancy, MVideoWithAllFiles } from '@server/types/models' | |
3 | import { CacheFileObject, VideoStreamingPlaylistType } from '@shared/models' | |
4 | import { VideoRedundancyModel } from '../../models/redundancy/video-redundancy' | |
5 | ||
6 | async function createOrUpdateCacheFile (cacheFileObject: CacheFileObject, video: MVideoWithAllFiles, byActor: MActorId, t: Transaction) { | |
7 | const redundancyModel = await VideoRedundancyModel.loadByUrl(cacheFileObject.id, t) | |
8 | ||
9 | if (redundancyModel) { | |
10 | return updateCacheFile(cacheFileObject, redundancyModel, video, byActor, t) | |
11 | } | |
12 | ||
13 | return createCacheFile(cacheFileObject, video, byActor, t) | |
14 | } | |
15 | ||
16 | // --------------------------------------------------------------------------- | |
17 | ||
18 | export { | |
19 | createOrUpdateCacheFile | |
20 | } | |
21 | ||
22 | // --------------------------------------------------------------------------- | |
23 | ||
24 | function createCacheFile (cacheFileObject: CacheFileObject, video: MVideoWithAllFiles, byActor: MActorId, t: Transaction) { | |
25 | const attributes = cacheFileActivityObjectToDBAttributes(cacheFileObject, video, byActor) | |
26 | ||
27 | return VideoRedundancyModel.create(attributes, { transaction: t }) | |
28 | } | |
29 | ||
30 | function updateCacheFile ( | |
31 | cacheFileObject: CacheFileObject, | |
32 | redundancyModel: MVideoRedundancy, | |
33 | video: MVideoWithAllFiles, | |
34 | byActor: MActorId, | |
35 | t: Transaction | |
36 | ) { | |
37 | if (redundancyModel.actorId !== byActor.id) { | |
38 | throw new Error('Cannot update redundancy ' + redundancyModel.url + ' of another actor.') | |
39 | } | |
40 | ||
41 | const attributes = cacheFileActivityObjectToDBAttributes(cacheFileObject, video, byActor) | |
42 | ||
43 | redundancyModel.expiresOn = attributes.expiresOn | |
44 | redundancyModel.fileUrl = attributes.fileUrl | |
45 | ||
46 | return redundancyModel.save({ transaction: t }) | |
47 | } | |
48 | ||
49 | function cacheFileActivityObjectToDBAttributes (cacheFileObject: CacheFileObject, video: MVideoWithAllFiles, byActor: MActorId) { | |
50 | ||
51 | if (cacheFileObject.url.mediaType === 'application/x-mpegURL') { | |
52 | const url = cacheFileObject.url | |
53 | ||
54 | const playlist = video.VideoStreamingPlaylists.find(t => t.type === VideoStreamingPlaylistType.HLS) | |
55 | if (!playlist) throw new Error('Cannot find HLS playlist of video ' + video.url) | |
56 | ||
57 | return { | |
58 | expiresOn: cacheFileObject.expires ? new Date(cacheFileObject.expires) : null, | |
59 | url: cacheFileObject.id, | |
60 | fileUrl: url.href, | |
61 | strategy: null, | |
62 | videoStreamingPlaylistId: playlist.id, | |
63 | actorId: byActor.id | |
64 | } | |
65 | } | |
66 | ||
67 | const url = cacheFileObject.url | |
68 | const videoFile = video.VideoFiles.find(f => { | |
69 | return f.resolution === url.height && f.fps === url.fps | |
70 | }) | |
71 | ||
72 | if (!videoFile) throw new Error(`Cannot find video file ${url.height} ${url.fps} of video ${video.url}`) | |
73 | ||
74 | return { | |
75 | expiresOn: cacheFileObject.expires ? new Date(cacheFileObject.expires) : null, | |
76 | url: cacheFileObject.id, | |
77 | fileUrl: url.href, | |
78 | strategy: null, | |
79 | videoFileId: videoFile.id, | |
80 | actorId: byActor.id | |
81 | } | |
82 | } |