mirror of https://github.com/Chocobozzz/PeerTube
101 lines
3.1 KiB
TypeScript
101 lines
3.1 KiB
TypeScript
import { logger, loggerTagsFactory } from '@server/helpers/logger'
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import { MVideo, MVideoImmutable } from '@server/types/models'
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import { VideoViewEvent } from '@shared/models'
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import { VideoScope, VideoViewerCounters, VideoViewerStats, VideoViews, ViewerScope } from './shared'
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/**
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* If processing a local view:
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* - We update viewer information (segments watched, watch time etc)
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* - We add +1 to video viewers counter if this is a new viewer
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* - We add +1 to video views counter if this is a new view and if the user watched enough seconds
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* - We send AP message to notify about this viewer and this view
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* - We update last video time for the user if authenticated
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*
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* If processing a remote view:
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* - We add +1 to video viewers counter
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* - We add +1 to video views counter
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*
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* A viewer is a someone that watched one or multiple sections of a video
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* A viewer that watched only a few seconds of a video may not increment the video views counter
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* Viewers statistics are sent to origin instance using the `WatchAction` ActivityPub object
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*
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*/
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const lTags = loggerTagsFactory('views')
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export class VideoViewsManager {
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private static instance: VideoViewsManager
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private videoViewerStats: VideoViewerStats
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private videoViewerCounters: VideoViewerCounters
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private videoViews: VideoViews
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private constructor () {
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}
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init () {
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this.videoViewerStats = new VideoViewerStats()
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this.videoViewerCounters = new VideoViewerCounters()
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this.videoViews = new VideoViews()
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}
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async processLocalView (options: {
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video: MVideoImmutable
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currentTime: number
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ip: string | null
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viewEvent?: VideoViewEvent
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}) {
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const { video, ip, viewEvent, currentTime } = options
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logger.debug('Processing local view for %s and ip %s.', video.url, ip, lTags())
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await this.videoViewerStats.addLocalViewer({ video, ip, viewEvent, currentTime })
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const successViewer = await this.videoViewerCounters.addLocalViewer({ video, ip })
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// Do it after added local viewer to fetch updated information
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const watchTime = await this.videoViewerStats.getWatchTime(video.id, ip)
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const successView = await this.videoViews.addLocalView({ video, watchTime, ip })
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return { successView, successViewer }
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}
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async processRemoteView (options: {
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video: MVideo
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viewerId: string | null
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viewerExpires?: Date
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}) {
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const { video, viewerId, viewerExpires } = options
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logger.debug('Processing remote view for %s.', video.url, { viewerExpires, viewerId, ...lTags() })
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if (viewerExpires) await this.videoViewerCounters.addRemoteViewer({ video, viewerId, viewerExpires })
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else await this.videoViews.addRemoteView({ video })
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}
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getViewers (video: MVideo) {
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return this.videoViewerCounters.getViewers(video)
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}
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getTotalViewers (options: {
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viewerScope: ViewerScope
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videoScope: VideoScope
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}) {
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return this.videoViewerCounters.getTotalViewers(options)
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}
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buildViewerExpireTime () {
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return this.videoViewerCounters.buildViewerExpireTime()
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}
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processViewerStats () {
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return this.videoViewerStats.processViewerStats()
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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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}
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