1
0
Fork 0
peertube/server/models/video/video-file.ts
2020-06-18 10:46:27 +02:00

332 lines
8 KiB
TypeScript

import {
AllowNull,
BelongsTo,
Column,
CreatedAt,
DataType,
Default,
ForeignKey,
HasMany,
Is,
Model,
Table,
UpdatedAt,
Scopes,
DefaultScope
} from 'sequelize-typescript'
import {
isVideoFileExtnameValid,
isVideoFileInfoHashValid,
isVideoFileResolutionValid,
isVideoFileSizeValid,
isVideoFPSResolutionValid
} from '../../helpers/custom-validators/videos'
import { parseAggregateResult, throwIfNotValid } from '../utils'
import { VideoModel } from './video'
import { VideoRedundancyModel } from '../redundancy/video-redundancy'
import { VideoStreamingPlaylistModel } from './video-streaming-playlist'
import { FindOptions, Op, QueryTypes, Transaction } from 'sequelize'
import { MIMETYPES, MEMOIZE_LENGTH, MEMOIZE_TTL } from '../../initializers/constants'
import { MVideoFile, MVideoFileStreamingPlaylistVideo, MVideoFileVideo } from '../../types/models/video/video-file'
import { MStreamingPlaylistVideo, MVideo } from '@server/types/models'
import * as memoizee from 'memoizee'
import validator from 'validator'
export enum ScopeNames {
WITH_VIDEO = 'WITH_VIDEO',
WITH_METADATA = 'WITH_METADATA'
}
@DefaultScope(() => ({
attributes: {
exclude: [ 'metadata' ]
}
}))
@Scopes(() => ({
[ScopeNames.WITH_VIDEO]: {
include: [
{
model: VideoModel.unscoped(),
required: true
}
]
},
[ScopeNames.WITH_METADATA]: {
attributes: {
include: [ 'metadata' ]
}
}
}))
@Table({
tableName: 'videoFile',
indexes: [
{
fields: [ 'videoId' ],
where: {
videoId: {
[Op.ne]: null
}
}
},
{
fields: [ 'videoStreamingPlaylistId' ],
where: {
videoStreamingPlaylistId: {
[Op.ne]: null
}
}
},
{
fields: [ 'infoHash' ]
},
{
fields: [ 'videoId', 'resolution', 'fps' ],
unique: true,
where: {
videoId: {
[Op.ne]: null
}
}
},
{
fields: [ 'videoStreamingPlaylistId', 'resolution', 'fps' ],
unique: true,
where: {
videoStreamingPlaylistId: {
[Op.ne]: null
}
}
}
]
})
export class VideoFileModel extends Model<VideoFileModel> {
@CreatedAt
createdAt: Date
@UpdatedAt
updatedAt: Date
@AllowNull(false)
@Is('VideoFileResolution', value => throwIfNotValid(value, isVideoFileResolutionValid, 'resolution'))
@Column
resolution: number
@AllowNull(false)
@Is('VideoFileSize', value => throwIfNotValid(value, isVideoFileSizeValid, 'size'))
@Column(DataType.BIGINT)
size: number
@AllowNull(false)
@Is('VideoFileExtname', value => throwIfNotValid(value, isVideoFileExtnameValid, 'extname'))
@Column
extname: string
@AllowNull(false)
@Is('VideoFileInfohash', value => throwIfNotValid(value, isVideoFileInfoHashValid, 'info hash'))
@Column
infoHash: string
@AllowNull(false)
@Default(-1)
@Is('VideoFileFPS', value => throwIfNotValid(value, isVideoFPSResolutionValid, 'fps'))
@Column
fps: number
@AllowNull(true)
@Column(DataType.JSONB)
metadata: any
@AllowNull(true)
@Column
metadataUrl: string
@ForeignKey(() => VideoModel)
@Column
videoId: number
@BelongsTo(() => VideoModel, {
foreignKey: {
allowNull: true
},
onDelete: 'CASCADE'
})
Video: VideoModel
@ForeignKey(() => VideoStreamingPlaylistModel)
@Column
videoStreamingPlaylistId: number
@BelongsTo(() => VideoStreamingPlaylistModel, {
foreignKey: {
allowNull: true
},
onDelete: 'CASCADE'
})
VideoStreamingPlaylist: VideoStreamingPlaylistModel
@HasMany(() => VideoRedundancyModel, {
foreignKey: {
allowNull: true
},
onDelete: 'CASCADE',
hooks: true
})
RedundancyVideos: VideoRedundancyModel[]
static doesInfohashExistCached = memoizee(VideoFileModel.doesInfohashExist, {
promise: true,
max: MEMOIZE_LENGTH.INFO_HASH_EXISTS,
maxAge: MEMOIZE_TTL.INFO_HASH_EXISTS
})
static doesInfohashExist (infoHash: string) {
const query = 'SELECT 1 FROM "videoFile" WHERE "infoHash" = $infoHash LIMIT 1'
const options = {
type: QueryTypes.SELECT as QueryTypes.SELECT,
bind: { infoHash },
raw: true
}
return VideoModel.sequelize.query(query, options)
.then(results => results.length === 1)
}
static async doesVideoExistForVideoFile (id: number, videoIdOrUUID: number | string) {
const videoFile = await VideoFileModel.loadWithVideoOrPlaylist(id, videoIdOrUUID)
return !!videoFile
}
static loadWithMetadata (id: number) {
return VideoFileModel.scope(ScopeNames.WITH_METADATA).findByPk(id)
}
static loadWithVideo (id: number) {
return VideoFileModel.scope(ScopeNames.WITH_VIDEO).findByPk(id)
}
static loadWithVideoOrPlaylist (id: number, videoIdOrUUID: number | string) {
const whereVideo = validator.isUUID(videoIdOrUUID + '')
? { uuid: videoIdOrUUID }
: { id: videoIdOrUUID }
const options = {
where: {
id
},
include: [
{
model: VideoModel.unscoped(),
required: false,
where: whereVideo
},
{
model: VideoStreamingPlaylistModel.unscoped(),
required: false,
include: [
{
model: VideoModel.unscoped(),
required: true,
where: whereVideo
}
]
}
]
}
return VideoFileModel.findOne(options)
.then(file => {
// We used `required: false` so check we have at least a video or a streaming playlist
if (!file.Video && !file.VideoStreamingPlaylist) return null
return file
})
}
static listByStreamingPlaylist (streamingPlaylistId: number, transaction: Transaction) {
const query = {
include: [
{
model: VideoModel.unscoped(),
required: true,
include: [
{
model: VideoStreamingPlaylistModel.unscoped(),
required: true,
where: {
id: streamingPlaylistId
}
}
]
}
],
transaction
}
return VideoFileModel.findAll(query)
}
static getStats () {
const query: FindOptions = {
include: [
{
attributes: [],
model: VideoModel.unscoped(),
where: {
remote: false
}
}
]
}
return VideoFileModel.aggregate('size', 'SUM', query)
.then(result => ({
totalLocalVideoFilesSize: parseAggregateResult(result)
}))
}
// Redefine upsert because sequelize does not use an appropriate where clause in the update query with 2 unique indexes
static async customUpsert (
videoFile: MVideoFile,
mode: 'streaming-playlist' | 'video',
transaction: Transaction
) {
const baseWhere = {
fps: videoFile.fps,
resolution: videoFile.resolution
}
if (mode === 'streaming-playlist') Object.assign(baseWhere, { videoStreamingPlaylistId: videoFile.videoStreamingPlaylistId })
else Object.assign(baseWhere, { videoId: videoFile.videoId })
const element = await VideoFileModel.findOne({ where: baseWhere, transaction })
if (!element) return videoFile.save({ transaction })
for (const k of Object.keys(videoFile.toJSON())) {
element[k] = videoFile[k]
}
return element.save({ transaction })
}
getVideoOrStreamingPlaylist (this: MVideoFileVideo | MVideoFileStreamingPlaylistVideo): MVideo | MStreamingPlaylistVideo {
if (this.videoId) return (this as MVideoFileVideo).Video
return (this as MVideoFileStreamingPlaylistVideo).VideoStreamingPlaylist
}
isAudio () {
return !!MIMETYPES.AUDIO.EXT_MIMETYPE[this.extname]
}
hasSameUniqueKeysThan (other: MVideoFile) {
return this.fps === other.fps &&
this.resolution === other.resolution &&
(
(this.videoId !== null && this.videoId === other.videoId) ||
(this.videoStreamingPlaylistId !== null && this.videoStreamingPlaylistId === other.videoStreamingPlaylistId)
)
}
}