mirror of https://github.com/Chocobozzz/PeerTube
				
				
				
			
		
			
				
	
	
		
			418 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			TypeScript
		
	
	
			
		
		
	
	
			418 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			TypeScript
		
	
	
import { Video, VideoDetails } from '../../../shared/models/videos'
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import { VideoModel } from './video'
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import { ActivityTagObject, ActivityUrlObject, VideoObject } from '../../../shared/models/activitypub/objects'
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import { MIMETYPES, WEBSERVER } from '../../initializers/constants'
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import { VideoCaptionModel } from './video-caption'
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import {
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  getLocalVideoCommentsActivityPubUrl,
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  getLocalVideoDislikesActivityPubUrl,
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  getLocalVideoLikesActivityPubUrl,
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  getLocalVideoSharesActivityPubUrl
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} from '../../lib/activitypub/url'
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import { isArray } from '../../helpers/custom-validators/misc'
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import { VideoStreamingPlaylist } from '../../../shared/models/videos/video-streaming-playlist.model'
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import {
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  MStreamingPlaylistRedundanciesOpt,
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  MStreamingPlaylistVideo,
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  MVideo,
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  MVideoAP,
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  MVideoFile,
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  MVideoFormattable,
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  MVideoFormattableDetails
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} from '../../types/models'
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import { MVideoFileRedundanciesOpt } from '../../types/models/video/video-file'
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import { VideoFile } from '@shared/models/videos/video-file.model'
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import { generateMagnetUri } from '@server/helpers/webtorrent'
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import { extractVideo } from '@server/helpers/video'
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export type VideoFormattingJSONOptions = {
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  completeDescription?: boolean
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  additionalAttributes: {
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    state?: boolean
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    waitTranscoding?: boolean
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    scheduledUpdate?: boolean
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    blacklistInfo?: boolean
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  }
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}
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function videoModelToFormattedJSON (video: MVideoFormattable, options?: VideoFormattingJSONOptions): Video {
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  const userHistory = isArray(video.UserVideoHistories) ? video.UserVideoHistories[0] : undefined
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  const videoObject: Video = {
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    id: video.id,
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    uuid: video.uuid,
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    name: video.name,
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    category: {
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      id: video.category,
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      label: VideoModel.getCategoryLabel(video.category)
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    },
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    licence: {
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      id: video.licence,
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      label: VideoModel.getLicenceLabel(video.licence)
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    },
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    language: {
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      id: video.language,
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      label: VideoModel.getLanguageLabel(video.language)
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    },
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    privacy: {
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      id: video.privacy,
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      label: VideoModel.getPrivacyLabel(video.privacy)
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    },
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    nsfw: video.nsfw,
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    description: options && options.completeDescription === true
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      ? video.description
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      : video.getTruncatedDescription(),
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    isLocal: video.isOwned(),
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    duration: video.duration,
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    views: video.views,
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    likes: video.likes,
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    dislikes: video.dislikes,
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    thumbnailPath: video.getMiniatureStaticPath(),
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    previewPath: video.getPreviewStaticPath(),
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    embedPath: video.getEmbedStaticPath(),
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    createdAt: video.createdAt,
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    updatedAt: video.updatedAt,
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    publishedAt: video.publishedAt,
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    originallyPublishedAt: video.originallyPublishedAt,
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    isLive: video.isLive,
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    account: video.VideoChannel.Account.toFormattedSummaryJSON(),
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    channel: video.VideoChannel.toFormattedSummaryJSON(),
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    userHistory: userHistory ? {
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      currentTime: userHistory.currentTime
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    } : undefined,
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    // Can be added by external plugins
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    pluginData: (video as any).pluginData
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  }
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  if (options) {
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    if (options.additionalAttributes.state === true) {
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      videoObject.state = {
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        id: video.state,
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        label: VideoModel.getStateLabel(video.state)
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      }
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    }
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    if (options.additionalAttributes.waitTranscoding === true) {
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      videoObject.waitTranscoding = video.waitTranscoding
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    }
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    if (options.additionalAttributes.scheduledUpdate === true && video.ScheduleVideoUpdate) {
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      videoObject.scheduledUpdate = {
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        updateAt: video.ScheduleVideoUpdate.updateAt,
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        privacy: video.ScheduleVideoUpdate.privacy || undefined
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      }
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    }
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    if (options.additionalAttributes.blacklistInfo === true) {
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      videoObject.blacklisted = !!video.VideoBlacklist
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      videoObject.blacklistedReason = video.VideoBlacklist ? video.VideoBlacklist.reason : null
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    }
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  }
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  return videoObject
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}
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function videoModelToFormattedDetailsJSON (video: MVideoFormattableDetails): VideoDetails {
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  const formattedJson = video.toFormattedJSON({
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    additionalAttributes: {
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      scheduledUpdate: true,
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      blacklistInfo: true
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    }
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  })
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  const { baseUrlHttp, baseUrlWs } = video.getBaseUrls()
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  const tags = video.Tags ? video.Tags.map(t => t.name) : []
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  const streamingPlaylists = streamingPlaylistsModelToFormattedJSON(video, video.VideoStreamingPlaylists)
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  const detailsJson = {
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    support: video.support,
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    descriptionPath: video.getDescriptionAPIPath(),
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    channel: video.VideoChannel.toFormattedJSON(),
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    account: video.VideoChannel.Account.toFormattedJSON(),
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    tags,
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    commentsEnabled: video.commentsEnabled,
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    downloadEnabled: video.downloadEnabled,
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    waitTranscoding: video.waitTranscoding,
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    state: {
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      id: video.state,
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      label: VideoModel.getStateLabel(video.state)
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    },
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    trackerUrls: video.getTrackerUrls(baseUrlHttp, baseUrlWs),
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    files: [],
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    streamingPlaylists
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  }
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  // Format and sort video files
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  detailsJson.files = videoFilesModelToFormattedJSON(video, baseUrlHttp, baseUrlWs, video.VideoFiles)
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  return Object.assign(formattedJson, detailsJson)
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}
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function streamingPlaylistsModelToFormattedJSON (video: MVideo, playlists: MStreamingPlaylistRedundanciesOpt[]): VideoStreamingPlaylist[] {
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  if (isArray(playlists) === false) return []
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  const { baseUrlHttp, baseUrlWs } = video.getBaseUrls()
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  return playlists
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    .map(playlist => {
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      const playlistWithVideo = Object.assign(playlist, { Video: video })
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      const redundancies = isArray(playlist.RedundancyVideos)
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        ? playlist.RedundancyVideos.map(r => ({ baseUrl: r.fileUrl }))
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        : []
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      const files = videoFilesModelToFormattedJSON(playlistWithVideo, baseUrlHttp, baseUrlWs, playlist.VideoFiles)
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      return {
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        id: playlist.id,
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        type: playlist.type,
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        playlistUrl: playlist.playlistUrl,
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        segmentsSha256Url: playlist.segmentsSha256Url,
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        redundancies,
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        files
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      }
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    })
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}
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function sortByResolutionDesc (fileA: MVideoFile, fileB: MVideoFile) {
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  if (fileA.resolution < fileB.resolution) return 1
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  if (fileA.resolution === fileB.resolution) return 0
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  return -1
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}
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function videoFilesModelToFormattedJSON (
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  model: MVideo | MStreamingPlaylistVideo,
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  baseUrlHttp: string,
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  baseUrlWs: string,
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  videoFiles: MVideoFileRedundanciesOpt[]
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): VideoFile[] {
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  const video = extractVideo(model)
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  return [ ...videoFiles ]
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    .filter(f => !f.isLive())
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    .sort(sortByResolutionDesc)
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    .map(videoFile => {
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      return {
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        resolution: {
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          id: videoFile.resolution,
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          label: videoFile.resolution + 'p'
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        },
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        magnetUri: generateMagnetUri(model, videoFile, baseUrlHttp, baseUrlWs),
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        size: videoFile.size,
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        fps: videoFile.fps,
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        torrentUrl: model.getTorrentUrl(videoFile, baseUrlHttp),
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        torrentDownloadUrl: model.getTorrentDownloadUrl(videoFile, baseUrlHttp),
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        fileUrl: model.getVideoFileUrl(videoFile, baseUrlHttp),
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        fileDownloadUrl: model.getVideoFileDownloadUrl(videoFile, baseUrlHttp),
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        metadataUrl: video.getVideoFileMetadataUrl(videoFile, baseUrlHttp)
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      } as VideoFile
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    })
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}
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function addVideoFilesInAPAcc (
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  acc: ActivityUrlObject[] | ActivityTagObject[],
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  model: MVideoAP | MStreamingPlaylistVideo,
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  baseUrlHttp: string,
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  baseUrlWs: string,
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  files: MVideoFile[]
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) {
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  const sortedFiles = [ ...files ]
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    .filter(f => !f.isLive())
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    .sort(sortByResolutionDesc)
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  for (const file of sortedFiles) {
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    acc.push({
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      type: 'Link',
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      mediaType: MIMETYPES.VIDEO.EXT_MIMETYPE[file.extname] as any,
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      href: model.getVideoFileUrl(file, baseUrlHttp),
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      height: file.resolution,
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      size: file.size,
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      fps: file.fps
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    })
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    acc.push({
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      type: 'Link',
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      rel: [ 'metadata', MIMETYPES.VIDEO.EXT_MIMETYPE[file.extname] ],
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      mediaType: 'application/json' as 'application/json',
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      href: extractVideo(model).getVideoFileMetadataUrl(file, baseUrlHttp),
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      height: file.resolution,
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      fps: file.fps
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    })
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    acc.push({
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      type: 'Link',
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      mediaType: 'application/x-bittorrent' as 'application/x-bittorrent',
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      href: model.getTorrentUrl(file, baseUrlHttp),
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      height: file.resolution
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    })
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    acc.push({
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      type: 'Link',
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      mediaType: 'application/x-bittorrent;x-scheme-handler/magnet' as 'application/x-bittorrent;x-scheme-handler/magnet',
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      href: generateMagnetUri(model, file, baseUrlHttp, baseUrlWs),
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      height: file.resolution
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    })
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  }
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}
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function videoModelToActivityPubObject (video: MVideoAP): VideoObject {
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  const { baseUrlHttp, baseUrlWs } = video.getBaseUrls()
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  if (!video.Tags) video.Tags = []
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  const tag = video.Tags.map(t => ({
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    type: 'Hashtag' as 'Hashtag',
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    name: t.name
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  }))
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  let language
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  if (video.language) {
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    language = {
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      identifier: video.language,
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      name: VideoModel.getLanguageLabel(video.language)
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    }
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  }
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  let category
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  if (video.category) {
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    category = {
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      identifier: video.category + '',
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      name: VideoModel.getCategoryLabel(video.category)
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    }
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  }
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  let licence
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  if (video.licence) {
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    licence = {
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      identifier: video.licence + '',
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      name: VideoModel.getLicenceLabel(video.licence)
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    }
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  }
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  const url: ActivityUrlObject[] = [
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    // HTML url should be the first element in the array so Mastodon correctly displays the embed
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    {
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      type: 'Link',
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      mediaType: 'text/html',
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      href: WEBSERVER.URL + '/videos/watch/' + video.uuid
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    }
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  ]
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  addVideoFilesInAPAcc(url, video, baseUrlHttp, baseUrlWs, video.VideoFiles || [])
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  for (const playlist of (video.VideoStreamingPlaylists || [])) {
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    const tag = playlist.p2pMediaLoaderInfohashes
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                  .map(i => ({ type: 'Infohash' as 'Infohash', name: i })) as ActivityTagObject[]
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    tag.push({
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      type: 'Link',
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      name: 'sha256',
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      mediaType: 'application/json' as 'application/json',
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      href: playlist.segmentsSha256Url
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    })
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    const playlistWithVideo = Object.assign(playlist, { Video: video })
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    addVideoFilesInAPAcc(tag, playlistWithVideo, baseUrlHttp, baseUrlWs, playlist.VideoFiles || [])
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    url.push({
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      type: 'Link',
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      mediaType: 'application/x-mpegURL' as 'application/x-mpegURL',
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      href: playlist.playlistUrl,
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      tag
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    })
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  }
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  const subtitleLanguage = []
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  for (const caption of video.VideoCaptions) {
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    subtitleLanguage.push({
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      identifier: caption.language,
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      name: VideoCaptionModel.getLanguageLabel(caption.language),
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      url: caption.getFileUrl(video)
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    })
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  }
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  const icons = [ video.getMiniature(), video.getPreview() ]
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  return {
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    type: 'Video' as 'Video',
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    id: video.url,
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    name: video.name,
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    duration: getActivityStreamDuration(video.duration),
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    uuid: video.uuid,
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    tag,
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    category,
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    licence,
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    language,
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    views: video.views,
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    sensitive: video.nsfw,
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    waitTranscoding: video.waitTranscoding,
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    isLiveBroadcast: video.isLive,
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    liveSaveReplay: video.isLive
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      ? video.VideoLive.saveReplay
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      : null,
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    permanentLive: video.isLive
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      ? video.VideoLive.permanentLive
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      : null,
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    state: video.state,
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    commentsEnabled: video.commentsEnabled,
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    downloadEnabled: video.downloadEnabled,
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    published: video.publishedAt.toISOString(),
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    originallyPublishedAt: video.originallyPublishedAt
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      ? video.originallyPublishedAt.toISOString()
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      : null,
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    updated: video.updatedAt.toISOString(),
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    mediaType: 'text/markdown',
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    content: video.description,
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    support: video.support,
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    subtitleLanguage,
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    icon: icons.map(i => ({
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      type: 'Image',
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      url: i.getFileUrl(video),
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      mediaType: 'image/jpeg',
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      width: i.width,
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      height: i.height
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    })),
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    url,
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    likes: getLocalVideoLikesActivityPubUrl(video),
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    dislikes: getLocalVideoDislikesActivityPubUrl(video),
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    shares: getLocalVideoSharesActivityPubUrl(video),
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    comments: getLocalVideoCommentsActivityPubUrl(video),
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    attributedTo: [
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      {
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        type: 'Person',
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        id: video.VideoChannel.Account.Actor.url
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      },
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      {
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        type: 'Group',
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        id: video.VideoChannel.Actor.url
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      }
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    ]
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  }
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}
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function getActivityStreamDuration (duration: number) {
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  // https://www.w3.org/TR/activitystreams-vocabulary/#dfn-duration
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  return 'PT' + duration + 'S'
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}
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export {
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  videoModelToFormattedJSON,
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  videoModelToFormattedDetailsJSON,
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  videoFilesModelToFormattedJSON,
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  videoModelToActivityPubObject,
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  getActivityStreamDuration
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}
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