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

382 lines
9.5 KiB
TypeScript

import {
AllowNull,
BeforeDestroy,
BelongsTo,
Column,
CreatedAt,
DataType,
Default,
ForeignKey,
HasMany,
Is,
IsUUID,
Model,
Scopes,
Table,
UpdatedAt
} from 'sequelize-typescript'
import * as Sequelize from 'sequelize'
import { VideoPlaylistPrivacy } from '../../../shared/models/videos/playlist/video-playlist-privacy.model'
import { buildServerIdsFollowedBy, buildWhereIdOrUUID, getSort, throwIfNotValid } from '../utils'
import {
isVideoPlaylistDescriptionValid,
isVideoPlaylistNameValid,
isVideoPlaylistPrivacyValid
} from '../../helpers/custom-validators/video-playlists'
import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub/misc'
import { CONFIG, CONSTRAINTS_FIELDS, STATIC_PATHS, THUMBNAILS_SIZE, VIDEO_PLAYLIST_PRIVACIES } from '../../initializers'
import { VideoPlaylist } from '../../../shared/models/videos/playlist/video-playlist.model'
import { AccountModel, ScopeNames as AccountScopeNames } from '../account/account'
import { ScopeNames as VideoChannelScopeNames, VideoChannelModel } from './video-channel'
import { join } from 'path'
import { VideoPlaylistElementModel } from './video-playlist-element'
import { PlaylistObject } from '../../../shared/models/activitypub/objects/playlist-object'
import { activityPubCollectionPagination } from '../../helpers/activitypub'
import { remove } from 'fs-extra'
import { logger } from '../../helpers/logger'
enum ScopeNames {
AVAILABLE_FOR_LIST = 'AVAILABLE_FOR_LIST',
WITH_VIDEOS_LENGTH = 'WITH_VIDEOS_LENGTH',
WITH_ACCOUNT_AND_CHANNEL = 'WITH_ACCOUNT_AND_CHANNEL'
}
type AvailableForListOptions = {
followerActorId: number
accountId?: number,
videoChannelId?: number
privateAndUnlisted?: boolean
}
@Scopes({
[ScopeNames.WITH_VIDEOS_LENGTH]: {
attributes: {
include: [
[
Sequelize.literal('(SELECT COUNT("id") FROM "videoPlaylistElement" WHERE "videoPlaylistId" = "VideoPlaylistModel"."id")'),
'videosLength'
]
]
}
},
[ScopeNames.WITH_ACCOUNT_AND_CHANNEL]: {
include: [
{
model: () => AccountModel.scope(AccountScopeNames.SUMMARY),
required: true
},
{
model: () => VideoChannelModel.scope(VideoChannelScopeNames.SUMMARY),
required: false
}
]
},
[ScopeNames.AVAILABLE_FOR_LIST]: (options: AvailableForListOptions) => {
// Only list local playlists OR playlists that are on an instance followed by actorId
const inQueryInstanceFollow = buildServerIdsFollowedBy(options.followerActorId)
const actorWhere = {
[ Sequelize.Op.or ]: [
{
serverId: null
},
{
serverId: {
[ Sequelize.Op.in ]: Sequelize.literal(inQueryInstanceFollow)
}
}
]
}
const whereAnd: any[] = []
if (options.privateAndUnlisted !== true) {
whereAnd.push({
privacy: VideoPlaylistPrivacy.PUBLIC
})
}
if (options.accountId) {
whereAnd.push({
ownerAccountId: options.accountId
})
}
if (options.videoChannelId) {
whereAnd.push({
videoChannelId: options.videoChannelId
})
}
const where = {
[Sequelize.Op.and]: whereAnd
}
const accountScope = {
method: [ AccountScopeNames.SUMMARY, actorWhere ]
}
return {
where,
include: [
{
model: AccountModel.scope(accountScope),
required: true
},
{
model: VideoChannelModel.scope(VideoChannelScopeNames.SUMMARY),
required: false
}
]
}
}
})
@Table({
tableName: 'videoPlaylist',
indexes: [
{
fields: [ 'ownerAccountId' ]
},
{
fields: [ 'videoChannelId' ]
},
{
fields: [ 'url' ],
unique: true
}
]
})
export class VideoPlaylistModel extends Model<VideoPlaylistModel> {
@CreatedAt
createdAt: Date
@UpdatedAt
updatedAt: Date
@AllowNull(false)
@Is('VideoPlaylistName', value => throwIfNotValid(value, isVideoPlaylistNameValid, 'name'))
@Column
name: string
@AllowNull(true)
@Is('VideoPlaylistDescription', value => throwIfNotValid(value, isVideoPlaylistDescriptionValid, 'description'))
@Column
description: string
@AllowNull(false)
@Is('VideoPlaylistPrivacy', value => throwIfNotValid(value, isVideoPlaylistPrivacyValid, 'privacy'))
@Column
privacy: VideoPlaylistPrivacy
@AllowNull(false)
@Is('VideoPlaylistUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'url'))
@Column(DataType.STRING(CONSTRAINTS_FIELDS.VIDEO_PLAYLISTS.URL.max))
url: string
@AllowNull(false)
@Default(DataType.UUIDV4)
@IsUUID(4)
@Column(DataType.UUID)
uuid: string
@ForeignKey(() => AccountModel)
@Column
ownerAccountId: number
@BelongsTo(() => AccountModel, {
foreignKey: {
allowNull: false
},
onDelete: 'CASCADE'
})
OwnerAccount: AccountModel
@ForeignKey(() => VideoChannelModel)
@Column
videoChannelId: number
@BelongsTo(() => VideoChannelModel, {
foreignKey: {
allowNull: true
},
onDelete: 'CASCADE'
})
VideoChannel: VideoChannelModel
@HasMany(() => VideoPlaylistElementModel, {
foreignKey: {
name: 'videoPlaylistId',
allowNull: false
},
onDelete: 'cascade'
})
VideoPlaylistElements: VideoPlaylistElementModel[]
// Calculated field
videosLength?: number
@BeforeDestroy
static async removeFiles (instance: VideoPlaylistModel) {
logger.info('Removing files of video playlist %s.', instance.url)
return instance.removeThumbnail()
}
static listForApi (options: {
followerActorId: number
start: number,
count: number,
sort: string,
accountId?: number,
videoChannelId?: number,
privateAndUnlisted?: boolean
}) {
const query = {
offset: options.start,
limit: options.count,
order: getSort(options.sort)
}
const scopes = [
{
method: [
ScopeNames.AVAILABLE_FOR_LIST,
{
followerActorId: options.followerActorId,
accountId: options.accountId,
videoChannelId: options.videoChannelId,
privateAndUnlisted: options.privateAndUnlisted
} as AvailableForListOptions
]
} as any, // FIXME: typings
ScopeNames.WITH_VIDEOS_LENGTH
]
return VideoPlaylistModel
.scope(scopes)
.findAndCountAll(query)
.then(({ rows, count }) => {
return { total: count, data: rows }
})
}
static listUrlsOfForAP (accountId: number, start: number, count: number) {
const query = {
attributes: [ 'url' ],
offset: start,
limit: count,
where: {
ownerAccountId: accountId
}
}
return VideoPlaylistModel.findAndCountAll(query)
.then(({ rows, count }) => {
return { total: count, data: rows.map(p => p.url) }
})
}
static doesPlaylistExist (url: string) {
const query = {
attributes: [],
where: {
url
}
}
return VideoPlaylistModel
.findOne(query)
.then(e => !!e)
}
static load (id: number | string, transaction: Sequelize.Transaction) {
const where = buildWhereIdOrUUID(id)
const query = {
where,
transaction
}
return VideoPlaylistModel
.scope([ ScopeNames.WITH_ACCOUNT_AND_CHANNEL, ScopeNames.WITH_VIDEOS_LENGTH ])
.findOne(query)
}
static getPrivacyLabel (privacy: VideoPlaylistPrivacy) {
return VIDEO_PLAYLIST_PRIVACIES[privacy] || 'Unknown'
}
getThumbnailName () {
const extension = '.jpg'
return 'playlist-' + this.uuid + extension
}
getThumbnailUrl () {
return CONFIG.WEBSERVER.URL + STATIC_PATHS.THUMBNAILS + this.getThumbnailName()
}
getThumbnailStaticPath () {
return join(STATIC_PATHS.THUMBNAILS, this.getThumbnailName())
}
removeThumbnail () {
const thumbnailPath = join(CONFIG.STORAGE.THUMBNAILS_DIR, this.getThumbnailName())
return remove(thumbnailPath)
.catch(err => logger.warn('Cannot delete thumbnail %s.', thumbnailPath, { err }))
}
isOwned () {
return this.OwnerAccount.isOwned()
}
toFormattedJSON (): VideoPlaylist {
return {
id: this.id,
uuid: this.uuid,
isLocal: this.isOwned(),
displayName: this.name,
description: this.description,
privacy: {
id: this.privacy,
label: VideoPlaylistModel.getPrivacyLabel(this.privacy)
},
thumbnailPath: this.getThumbnailStaticPath(),
videosLength: this.videosLength,
createdAt: this.createdAt,
updatedAt: this.updatedAt,
ownerAccount: this.OwnerAccount.toFormattedSummaryJSON(),
videoChannel: this.VideoChannel ? this.VideoChannel.toFormattedSummaryJSON() : null
}
}
toActivityPubObject (): Promise<PlaylistObject> {
const handler = (start: number, count: number) => {
return VideoPlaylistElementModel.listUrlsOfForAP(this.id, start, count)
}
return activityPubCollectionPagination(this.url, handler, null)
.then(o => {
return Object.assign(o, {
type: 'Playlist' as 'Playlist',
name: this.name,
content: this.description,
uuid: this.uuid,
attributedTo: this.VideoChannel ? [ this.VideoChannel.Actor.url ] : [],
icon: {
type: 'Image' as 'Image',
url: this.getThumbnailUrl(),
mediaType: 'image/jpeg' as 'image/jpeg',
width: THUMBNAILS_SIZE.width,
height: THUMBNAILS_SIZE.height
}
})
})
}
}