mirror of https://github.com/Chocobozzz/PeerTube
				
				
				
			
		
			
				
	
	
		
			83 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			TypeScript
		
	
	
			
		
		
	
	
			83 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			TypeScript
		
	
	
| import { CacheFileObject } from '../../../shared/index'
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| import { VideoRedundancyModel } from '../../models/redundancy/video-redundancy'
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| import { Transaction } from 'sequelize'
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| import { VideoStreamingPlaylistType } from '../../../shared/models/videos/video-streaming-playlist.type'
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| import { MActorId, MVideoRedundancy, MVideoWithAllFiles } from '@server/types/models'
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| 
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| function cacheFileActivityObjectToDBAttributes (cacheFileObject: CacheFileObject, video: MVideoWithAllFiles, byActor: MActorId) {
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| 
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|   if (cacheFileObject.url.mediaType === 'application/x-mpegURL') {
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|     const url = cacheFileObject.url
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| 
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|     const playlist = video.VideoStreamingPlaylists.find(t => t.type === VideoStreamingPlaylistType.HLS)
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|     if (!playlist) throw new Error('Cannot find HLS playlist of video ' + video.url)
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| 
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|     return {
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|       expiresOn: cacheFileObject.expires ? new Date(cacheFileObject.expires) : null,
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|       url: cacheFileObject.id,
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|       fileUrl: url.href,
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|       strategy: null,
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|       videoStreamingPlaylistId: playlist.id,
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|       actorId: byActor.id
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|     }
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|   }
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| 
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|   const url = cacheFileObject.url
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|   const videoFile = video.VideoFiles.find(f => {
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|     return f.resolution === url.height && f.fps === url.fps
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|   })
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| 
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|   if (!videoFile) throw new Error(`Cannot find video file ${url.height} ${url.fps} of video ${video.url}`)
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| 
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|   return {
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|     expiresOn: cacheFileObject.expires ? new Date(cacheFileObject.expires) : null,
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|     url: cacheFileObject.id,
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|     fileUrl: url.href,
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|     strategy: null,
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|     videoFileId: videoFile.id,
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|     actorId: byActor.id
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|   }
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| }
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| 
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| async function createOrUpdateCacheFile (cacheFileObject: CacheFileObject, video: MVideoWithAllFiles, byActor: MActorId, t: Transaction) {
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|   const redundancyModel = await VideoRedundancyModel.loadByUrl(cacheFileObject.id, t)
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| 
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|   if (!redundancyModel) {
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|     await createCacheFile(cacheFileObject, video, byActor, t)
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|   } else {
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|     await updateCacheFile(cacheFileObject, redundancyModel, video, byActor, t)
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|   }
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| }
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| 
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| function createCacheFile (cacheFileObject: CacheFileObject, video: MVideoWithAllFiles, byActor: MActorId, t: Transaction) {
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|   const attributes = cacheFileActivityObjectToDBAttributes(cacheFileObject, video, byActor)
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| 
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|   return VideoRedundancyModel.create(attributes, { transaction: t })
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| }
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| 
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| function updateCacheFile (
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|   cacheFileObject: CacheFileObject,
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|   redundancyModel: MVideoRedundancy,
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|   video: MVideoWithAllFiles,
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|   byActor: MActorId,
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|   t: Transaction
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| ) {
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|   if (redundancyModel.actorId !== byActor.id) {
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|     throw new Error('Cannot update redundancy ' + redundancyModel.url + ' of another actor.')
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|   }
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| 
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|   const attributes = cacheFileActivityObjectToDBAttributes(cacheFileObject, video, byActor)
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| 
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|   redundancyModel.expiresOn = attributes.expiresOn
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|   redundancyModel.fileUrl = attributes.fileUrl
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| 
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|   return redundancyModel.save({ transaction: t })
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| }
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| 
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| export {
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|   createOrUpdateCacheFile,
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|   createCacheFile,
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|   updateCacheFile,
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|   cacheFileActivityObjectToDBAttributes
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| }
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