PeerTube/server/models/redundancy/video-redundancy.ts

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import {
AfterDestroy,
AllowNull,
BelongsTo,
Column,
CreatedAt,
DataType,
ForeignKey,
Is,
Model,
Scopes,
Table,
UpdatedAt
} from 'sequelize-typescript'
import { ActorModel } from '../activitypub/actor'
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import { getVideoSort, throwIfNotValid } from '../utils'
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import { isActivityPubUrlValid, isUrlValid } from '../../helpers/custom-validators/activitypub/misc'
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import { CONFIG, CONSTRAINTS_FIELDS, VIDEO_EXT_MIMETYPE } from '../../initializers'
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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'
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import * as Bluebird from 'bluebird'
import * as Sequelize from 'sequelize'
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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<VideoRedundancyModel> {
@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) {
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// Not us
if (!instance.strategy) return
logger.info('Removing duplicated video file %s-%s.', instance.VideoFile.Video.uuid, instance.VideoFile.resolution)
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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) {
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const query = {
where: {
url
},
transaction
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}
return VideoRedundancyModel.findOne(query)
}
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static async getVideoSample (p: Bluebird<VideoModel[]>) {
const rows = await p
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const ids = rows.map(r => r.id)
const id = sample(ids)
return VideoModel.loadWithFile(id, undefined, !isTestInstance())
}
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static async findMostViewToDuplicate (randomizedFactor: number) {
// On VideoModel!
const query = {
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attributes: [ 'id', 'views' ],
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limit: randomizedFactor,
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order: getVideoSort('-views'),
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include: [
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await VideoRedundancyModel.buildVideoFileForDuplication(),
VideoRedundancyModel.buildServerRedundancyInclude()
]
}
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return VideoRedundancyModel.getVideoSample(VideoModel.unscoped().findAll(query))
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}
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)
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]
}
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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()
]
}
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return VideoRedundancyModel.getVideoSample(VideoModel.unscoped().findAll(query))
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}
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)
}
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static async getTotalDuplicated (strategy: VideoRedundancyStrategy) {
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const actor = await getServerActor()
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const options = {
include: [
{
attributes: [],
model: VideoRedundancyModel,
required: true,
where: {
actorId: actor.id,
strategy
}
}
]
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}
return VideoFileModel.sum('size', options as any) // FIXME: typings
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}
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()
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const query = {
where: {
actorId: {
[Sequelize.Op.ne]: actor.id
},
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expiresOn: {
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[ Sequelize.Op.lt ]: new Date()
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}
}
}
return VideoRedundancyModel.scope([ ScopeNames.WITH_VIDEO ]).findAll(query)
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}
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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' ],
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[ Sequelize.fn('COUNT', Sequelize.fn('DISTINCT', Sequelize.col('videoId'))), 'totalVideos' ],
[ Sequelize.fn('COUNT', Sequelize.col('videoFileId')), 'totalVideoFiles' ]
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],
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
}))
}
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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
}
}
}
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// Don't include video files we already duplicated
private static async buildVideoFileForDuplication () {
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const actor = await getServerActor()
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const notIn = Sequelize.literal(
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'(' +
`SELECT "videoFileId" FROM "videoRedundancy" WHERE "actorId" = ${actor.id}` +
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')'
)
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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
}
}
]
}
]
}
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}
}