mirror of https://github.com/Chocobozzz/PeerTube
				
				
				
			
		
			
				
	
	
		
			53 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			TypeScript
		
	
	
			
		
		
	
	
			53 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			TypeScript
		
	
	
import { join } from 'path'
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import { FILES_CACHE } from '../../initializers/constants'
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import { VideoModel } from '../../models/video/video'
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import { AbstractVideoStaticFileCache } from './abstract-video-static-file-cache'
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import { doRequestAndSaveToFile } from '@server/helpers/requests'
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import { ThumbnailModel } from '@server/models/video/thumbnail'
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import { ThumbnailType } from '@shared/models'
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import { logger } from '@server/helpers/logger'
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class VideosPreviewCache extends AbstractVideoStaticFileCache <string> {
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  private static instance: VideosPreviewCache
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  private constructor () {
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    super()
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  }
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  static get Instance () {
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    return this.instance || (this.instance = new this())
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  }
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  async getFilePathImpl (filename: string) {
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    const thumbnail = await ThumbnailModel.loadWithVideoByFilename(filename, ThumbnailType.PREVIEW)
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    if (!thumbnail) return undefined
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    if (thumbnail.Video.isOwned()) return { isOwned: true, path: thumbnail.getPath() }
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    return this.loadRemoteFile(thumbnail.Video.uuid)
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  }
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  // Key is the video UUID
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  protected async loadRemoteFile (key: string) {
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    const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(key)
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    if (!video) return undefined
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    if (video.isOwned()) throw new Error('Cannot load remote preview of owned video.')
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    const preview = video.getPreview()
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    const destPath = join(FILES_CACHE.PREVIEWS.DIRECTORY, preview.filename)
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    const remoteUrl = preview.getFileUrl(video)
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    await doRequestAndSaveToFile(remoteUrl, destPath)
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    logger.debug('Fetched remote preview %s to %s.', remoteUrl, destPath)
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    return { isOwned: false, path: destPath }
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  }
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}
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export {
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  VideosPreviewCache
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}
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