import { AfterDestroy, AllowNull, BelongsTo, Column, CreatedAt, DataType, ForeignKey, Is, Model, Scopes, Table, UpdatedAt } from 'sequelize-typescript' import { ActorModel } from '../activitypub/actor' import { getVideoSort, throwIfNotValid } from '../utils' import { isActivityPubUrlValid, isUrlValid } from '../../helpers/custom-validators/activitypub/misc' import { CONFIG, CONSTRAINTS_FIELDS, VIDEO_EXT_MIMETYPE } from '../../initializers' import { VideoFileModel } from '../video/video-file' import { getServerActor } from '../../helpers/utils' import { VideoModel } from '../video/video' import { VideoRedundancyStrategy } from '../../../shared/models/redundancy' import { logger } from '../../helpers/logger' import { CacheFileObject } from '../../../shared' import { VideoChannelModel } from '../video/video-channel' import { ServerModel } from '../server/server' import { sample } from 'lodash' import { isTestInstance } from '../../helpers/core-utils' import * as Bluebird from 'bluebird' import * as Sequelize from 'sequelize' export enum ScopeNames { WITH_VIDEO = 'WITH_VIDEO' } @Scopes({ [ ScopeNames.WITH_VIDEO ]: { include: [ { model: () => VideoFileModel, required: true, include: [ { model: () => VideoModel, required: true } ] } ] } }) @Table({ tableName: 'videoRedundancy', indexes: [ { fields: [ 'videoFileId' ] }, { fields: [ 'actorId' ] }, { fields: [ 'url' ], unique: true } ] }) export class VideoRedundancyModel extends Model { @CreatedAt createdAt: Date @UpdatedAt updatedAt: Date @AllowNull(false) @Column expiresOn: Date @AllowNull(false) @Is('VideoRedundancyFileUrl', value => throwIfNotValid(value, isUrlValid, 'fileUrl')) @Column(DataType.STRING(CONSTRAINTS_FIELDS.VIDEOS_REDUNDANCY.URL.max)) fileUrl: string @AllowNull(false) @Is('VideoRedundancyUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'url')) @Column(DataType.STRING(CONSTRAINTS_FIELDS.VIDEOS_REDUNDANCY.URL.max)) url: string @AllowNull(true) @Column strategy: string // Only used by us @ForeignKey(() => VideoFileModel) @Column videoFileId: number @BelongsTo(() => VideoFileModel, { foreignKey: { allowNull: false }, onDelete: 'cascade' }) VideoFile: VideoFileModel @ForeignKey(() => ActorModel) @Column actorId: number @BelongsTo(() => ActorModel, { foreignKey: { allowNull: false }, onDelete: 'cascade' }) Actor: ActorModel @AfterDestroy static removeFile (instance: VideoRedundancyModel) { // Not us if (!instance.strategy) return logger.info('Removing duplicated video file %s-%s.', instance.VideoFile.Video.uuid, instance.VideoFile.resolution) return instance.VideoFile.Video.removeFile(instance.VideoFile) } static loadByFileId (videoFileId: number) { const query = { where: { videoFileId } } return VideoRedundancyModel.scope(ScopeNames.WITH_VIDEO).findOne(query) } static loadByUrl (url: string, transaction?: Sequelize.Transaction) { const query = { where: { url }, transaction } return VideoRedundancyModel.findOne(query) } static async getVideoSample (p: Bluebird) { const rows = await p const ids = rows.map(r => r.id) const id = sample(ids) return VideoModel.loadWithFile(id, undefined, !isTestInstance()) } static async findMostViewToDuplicate (randomizedFactor: number) { // On VideoModel! const query = { attributes: [ 'id', 'views' ], limit: randomizedFactor, order: getVideoSort('-views'), include: [ await VideoRedundancyModel.buildVideoFileForDuplication(), VideoRedundancyModel.buildServerRedundancyInclude() ] } return VideoRedundancyModel.getVideoSample(VideoModel.unscoped().findAll(query)) } static async findTrendingToDuplicate (randomizedFactor: number) { // On VideoModel! const query = { attributes: [ 'id', 'views' ], subQuery: false, group: 'VideoModel.id', limit: randomizedFactor, order: getVideoSort('-trending'), include: [ await VideoRedundancyModel.buildVideoFileForDuplication(), VideoRedundancyModel.buildServerRedundancyInclude(), VideoModel.buildTrendingQuery(CONFIG.TRENDING.VIDEOS.INTERVAL_DAYS) ] } return VideoRedundancyModel.getVideoSample(VideoModel.unscoped().findAll(query)) } static async findRecentlyAddedToDuplicate (randomizedFactor: number, minViews: number) { // On VideoModel! const query = { attributes: [ 'id', 'publishedAt' ], limit: randomizedFactor, order: getVideoSort('-publishedAt'), where: { views: { [ Sequelize.Op.gte ]: minViews } }, include: [ await VideoRedundancyModel.buildVideoFileForDuplication(), VideoRedundancyModel.buildServerRedundancyInclude() ] } return VideoRedundancyModel.getVideoSample(VideoModel.unscoped().findAll(query)) } static async loadOldestLocalThatAlreadyExpired (strategy: VideoRedundancyStrategy, expiresAfterMs: number) { const expiredDate = new Date() expiredDate.setMilliseconds(expiredDate.getMilliseconds() - expiresAfterMs) const actor = await getServerActor() const query = { where: { actorId: actor.id, strategy, createdAt: { [ Sequelize.Op.lt ]: expiredDate } } } return VideoRedundancyModel.scope([ ScopeNames.WITH_VIDEO ]).findOne(query) } static async getTotalDuplicated (strategy: VideoRedundancyStrategy) { const actor = await getServerActor() const options = { include: [ { attributes: [], model: VideoRedundancyModel, required: true, where: { actorId: actor.id, strategy } } ] } return VideoFileModel.sum('size', options as any) // FIXME: typings } static async listLocalExpired () { const actor = await getServerActor() const query = { where: { actorId: actor.id, expiresOn: { [ Sequelize.Op.lt ]: new Date() } } } return VideoRedundancyModel.scope([ ScopeNames.WITH_VIDEO ]).findAll(query) } static async listRemoteExpired () { const actor = await getServerActor() const query = { where: { actorId: { [Sequelize.Op.ne]: actor.id }, expiresOn: { [ Sequelize.Op.lt ]: new Date() } } } return VideoRedundancyModel.scope([ ScopeNames.WITH_VIDEO ]).findAll(query) } static async getStats (strategy: VideoRedundancyStrategy) { const actor = await getServerActor() const query = { raw: true, attributes: [ [ Sequelize.fn('COALESCE', Sequelize.fn('SUM', Sequelize.col('VideoFile.size')), '0'), 'totalUsed' ], [ Sequelize.fn('COUNT', Sequelize.fn('DISTINCT', 'videoId')), 'totalVideos' ], [ Sequelize.fn('COUNT', 'videoFileId'), 'totalVideoFiles' ] ], where: { strategy, actorId: actor.id }, include: [ { attributes: [], model: VideoFileModel, required: true } ] } return VideoRedundancyModel.find(query as any) // FIXME: typings .then((r: any) => ({ totalUsed: parseInt(r.totalUsed.toString(), 10), totalVideos: r.totalVideos, totalVideoFiles: r.totalVideoFiles })) } toActivityPubObject (): CacheFileObject { return { id: this.url, type: 'CacheFile' as 'CacheFile', object: this.VideoFile.Video.url, expires: this.expiresOn.toISOString(), url: { type: 'Link', mimeType: VIDEO_EXT_MIMETYPE[ this.VideoFile.extname ] as any, href: this.fileUrl, height: this.VideoFile.resolution, size: this.VideoFile.size, fps: this.VideoFile.fps } } } // Don't include video files we already duplicated private static async buildVideoFileForDuplication () { const actor = await getServerActor() const notIn = Sequelize.literal( '(' + `SELECT "videoFileId" FROM "videoRedundancy" WHERE "actorId" = ${actor.id}` + ')' ) return { attributes: [], model: VideoFileModel.unscoped(), required: true, where: { id: { [ Sequelize.Op.notIn ]: notIn } } } } private static buildServerRedundancyInclude () { return { attributes: [], model: VideoChannelModel.unscoped(), required: true, include: [ { attributes: [], model: ActorModel.unscoped(), required: true, include: [ { attributes: [], model: ServerModel.unscoped(), required: true, where: { redundancyAllowed: true } } ] } ] } } }