import { logger, loggerTagsFactory } from '@server/helpers/logger.js' import { sendView } from '@server/lib/activitypub/send/send-view.js' import { getCachedVideoDuration } from '@server/lib/video.js' import { getServerActor } from '@server/models/application/application.js' import { MVideo, MVideoImmutable } from '@server/types/models/index.js' import { buildUUID } from '@peertube/peertube-node-utils' import { Redis } from '../../redis.js' import { LRUCache } from 'lru-cache' import { VIEW_LIFETIME } from '@server/initializers/constants.js' const lTags = loggerTagsFactory('views') export class VideoViews { private readonly viewsCache = new LRUCache({ max: 10_000, ttl: VIEW_LIFETIME.VIEW }) async addLocalView (options: { video: MVideoImmutable ip: string watchTime: number }) { const { video, ip, watchTime } = options logger.debug('Adding local view to video %s.', video.uuid, { watchTime, ...lTags(video.uuid) }) if (!await this.hasEnoughWatchTime(video, watchTime)) return false const viewExists = await this.doesVideoIPViewExist(ip, video.uuid) if (viewExists) return false await this.setIPVideoView(ip, video.uuid) await this.addView(video) await sendView({ byActor: await getServerActor(), video, viewerIdentifier: buildUUID() }) return true } async addRemoteView (options: { video: MVideo }) { const { video } = options logger.debug('Adding remote view to video %s.', video.uuid, { ...lTags(video.uuid) }) await this.addView(video) return true } // --------------------------------------------------------------------------- private async addView (video: MVideoImmutable) { const promises: Promise[] = [] if (video.isOwned()) { promises.push(Redis.Instance.addLocalVideoView(video.id)) } promises.push(Redis.Instance.addVideoViewStats(video.id)) await Promise.all(promises) } private async hasEnoughWatchTime (video: MVideoImmutable, watchTime: number) { const { duration, isLive } = await getCachedVideoDuration(video.id) if (isLive || duration >= 30) return watchTime >= 30 // Check more than 50% of the video is watched return duration / watchTime < 2 } private doesVideoIPViewExist (ip: string, videoUUID: string) { const key = Redis.Instance.generateIPViewKey(ip, videoUUID) const value = this.viewsCache.has(key) if (value === true) return Promise.resolve(true) return Redis.Instance.doesVideoIPViewExist(ip, videoUUID) } private setIPVideoView (ip: string, videoUUID: string) { const key = Redis.Instance.generateIPViewKey(ip, videoUUID) this.viewsCache.set(key, true) return Redis.Instance.setIPVideoView(ip, videoUUID) } }