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

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import {
AllowNull,
BelongsTo,
Column,
CreatedAt,
DataType,
Default,
ForeignKey,
HasMany,
HasOne,
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Is,
IsUUID,
Model,
Scopes,
Table,
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UpdatedAt
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} from 'sequelize-typescript'
import { VideoPlaylistPrivacy } from '../../../shared/models/videos/playlist/video-playlist-privacy.model'
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import { buildServerIdsFollowedBy, buildWhereIdOrUUID, getSort, isOutdated, throwIfNotValid } from '../utils'
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import {
isVideoPlaylistDescriptionValid,
isVideoPlaylistNameValid,
isVideoPlaylistPrivacyValid
} from '../../helpers/custom-validators/video-playlists'
import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub/misc'
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import {
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ACTIVITY_PUB,
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CONSTRAINTS_FIELDS,
STATIC_PATHS,
THUMBNAILS_SIZE,
VIDEO_PLAYLIST_PRIVACIES,
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VIDEO_PLAYLIST_TYPES,
WEBSERVER
} from '../../initializers/constants'
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import { VideoPlaylist } from '../../../shared/models/videos/playlist/video-playlist.model'
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import { AccountModel, ScopeNames as AccountScopeNames, SummaryOptions } from '../account/account'
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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'
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import { VideoPlaylistType } from '../../../shared/models/videos/playlist/video-playlist-type.model'
import { ThumbnailModel } from './thumbnail'
import { ActivityIconObject } from '../../../shared/models/activitypub/objects'
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import { FindOptions, literal, Op, ScopeOptions, Transaction, WhereOptions } from 'sequelize'
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import * as Bluebird from 'bluebird'
import {
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MVideoPlaylistAccountThumbnail,
MVideoPlaylistAP,
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MVideoPlaylistFormattable,
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MVideoPlaylistFull,
MVideoPlaylistFullSummary,
MVideoPlaylistIdWithElements
} from '../../typings/models/video/video-playlist'
import { MThumbnail } from '../../typings/models/video/thumbnail'
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enum ScopeNames {
AVAILABLE_FOR_LIST = 'AVAILABLE_FOR_LIST',
WITH_VIDEOS_LENGTH = 'WITH_VIDEOS_LENGTH',
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WITH_ACCOUNT_AND_CHANNEL_SUMMARY = 'WITH_ACCOUNT_AND_CHANNEL_SUMMARY',
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WITH_ACCOUNT = 'WITH_ACCOUNT',
WITH_THUMBNAIL = 'WITH_THUMBNAIL',
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WITH_ACCOUNT_AND_CHANNEL = 'WITH_ACCOUNT_AND_CHANNEL'
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}
type AvailableForListOptions = {
followerActorId: number
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type?: VideoPlaylistType
accountId?: number
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videoChannelId?: number
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listMyPlaylists?: boolean
search?: string
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}
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@Scopes(() => ({
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[ScopeNames.WITH_THUMBNAIL]: {
include: [
{
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model: ThumbnailModel,
required: false
}
]
},
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[ScopeNames.WITH_VIDEOS_LENGTH]: {
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attributes: {
include: [
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[
literal('(SELECT COUNT("id") FROM "videoPlaylistElement" WHERE "videoPlaylistId" = "VideoPlaylistModel"."id")'),
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'videosLength'
]
]
}
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} as FindOptions,
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[ScopeNames.WITH_ACCOUNT]: {
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include: [
{
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model: AccountModel,
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required: true
}
]
},
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[ScopeNames.WITH_ACCOUNT_AND_CHANNEL_SUMMARY]: {
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include: [
{
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model: AccountModel.scope(AccountScopeNames.SUMMARY),
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required: true
},
{
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model: VideoChannelModel.scope(VideoChannelScopeNames.SUMMARY),
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required: false
}
]
},
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[ScopeNames.WITH_ACCOUNT_AND_CHANNEL]: {
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include: [
{
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model: AccountModel,
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required: true
},
{
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model: VideoChannelModel,
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required: false
}
]
},
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[ScopeNames.AVAILABLE_FOR_LIST]: (options: AvailableForListOptions) => {
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let whereActor: WhereOptions = {}
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const whereAnd: WhereOptions[] = []
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if (options.listMyPlaylists !== true) {
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whereAnd.push({
privacy: VideoPlaylistPrivacy.PUBLIC
})
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// Only list local playlists OR playlists that are on an instance followed by actorId
const inQueryInstanceFollow = buildServerIdsFollowedBy(options.followerActorId)
whereActor = {
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[Op.or]: [
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{
serverId: null
},
{
serverId: {
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[Op.in]: literal(inQueryInstanceFollow)
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}
}
]
}
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}
if (options.accountId) {
whereAnd.push({
ownerAccountId: options.accountId
})
}
if (options.videoChannelId) {
whereAnd.push({
videoChannelId: options.videoChannelId
})
}
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if (options.type) {
whereAnd.push({
type: options.type
})
}
if (options.search) {
whereAnd.push({
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name: {
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[Op.iLike]: '%' + options.search + '%'
}
})
}
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const where = {
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[Op.and]: whereAnd
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}
const accountScope = {
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method: [ AccountScopeNames.SUMMARY, { whereActor } as SummaryOptions ]
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}
return {
where,
include: [
{
model: AccountModel.scope(accountScope),
required: true
},
{
model: VideoChannelModel.scope(VideoChannelScopeNames.SUMMARY),
required: false
}
]
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} as FindOptions
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}
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}))
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@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)
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@Is('VideoPlaylistDescription', value => throwIfNotValid(value, isVideoPlaylistDescriptionValid, 'description', true))
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@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
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@AllowNull(false)
@Default(VideoPlaylistType.REGULAR)
@Column
type: VideoPlaylistType
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@ForeignKey(() => AccountModel)
@Column
ownerAccountId: number
@BelongsTo(() => AccountModel, {
foreignKey: {
allowNull: false
},
onDelete: 'CASCADE'
})
OwnerAccount: AccountModel
@ForeignKey(() => VideoChannelModel)
@Column
videoChannelId: number
@BelongsTo(() => VideoChannelModel, {
foreignKey: {
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allowNull: true
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},
onDelete: 'CASCADE'
})
VideoChannel: VideoChannelModel
@HasMany(() => VideoPlaylistElementModel, {
foreignKey: {
name: 'videoPlaylistId',
allowNull: false
},
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onDelete: 'CASCADE'
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})
VideoPlaylistElements: VideoPlaylistElementModel[]
@HasOne(() => ThumbnailModel, {
foreignKey: {
name: 'videoPlaylistId',
allowNull: true
},
onDelete: 'CASCADE',
hooks: true
})
Thumbnail: ThumbnailModel
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static listForApi (options: {
followerActorId: number
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start: number
count: number
sort: string
type?: VideoPlaylistType
accountId?: number
videoChannelId?: number
listMyPlaylists?: boolean
search?: string
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}) {
const query = {
offset: options.start,
limit: options.count,
order: getSort(options.sort)
}
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const scopes: (string | ScopeOptions)[] = [
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{
method: [
ScopeNames.AVAILABLE_FOR_LIST,
{
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type: options.type,
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followerActorId: options.followerActorId,
accountId: options.accountId,
videoChannelId: options.videoChannelId,
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listMyPlaylists: options.listMyPlaylists,
search: options.search
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} as AvailableForListOptions
]
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},
ScopeNames.WITH_VIDEOS_LENGTH,
ScopeNames.WITH_THUMBNAIL
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]
return VideoPlaylistModel
.scope(scopes)
.findAndCountAll(query)
.then(({ rows, count }) => {
return { total: count, data: rows }
})
}
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static listPublicUrlsOfForAP (accountId: number, start: number, count: number) {
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const query = {
attributes: [ 'url' ],
offset: start,
limit: count,
where: {
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ownerAccountId: accountId,
privacy: VideoPlaylistPrivacy.PUBLIC
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}
}
return VideoPlaylistModel.findAndCountAll(query)
.then(({ rows, count }) => {
return { total: count, data: rows.map(p => p.url) }
})
}
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static listPlaylistIdsOf (accountId: number, videoIds: number[]): Bluebird<MVideoPlaylistIdWithElements[]> {
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const query = {
attributes: [ 'id' ],
where: {
ownerAccountId: accountId
},
include: [
{
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attributes: [ 'id', 'videoId', 'startTimestamp', 'stopTimestamp' ],
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model: VideoPlaylistElementModel.unscoped(),
where: {
videoId: {
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[Op.in]: videoIds
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}
},
required: true
}
]
}
return VideoPlaylistModel.findAll(query)
}
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static doesPlaylistExist (url: string) {
const query = {
attributes: [],
where: {
url
}
}
return VideoPlaylistModel
.findOne(query)
.then(e => !!e)
}
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static loadWithAccountAndChannelSummary (id: number | string, transaction: Transaction): Bluebird<MVideoPlaylistFullSummary> {
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const where = buildWhereIdOrUUID(id)
const query = {
where,
transaction
}
return VideoPlaylistModel
.scope([ ScopeNames.WITH_ACCOUNT_AND_CHANNEL_SUMMARY, ScopeNames.WITH_VIDEOS_LENGTH, ScopeNames.WITH_THUMBNAIL ])
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.findOne(query)
}
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static loadWithAccountAndChannel (id: number | string, transaction: Transaction): Bluebird<MVideoPlaylistFull> {
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const where = buildWhereIdOrUUID(id)
const query = {
where,
transaction
}
return VideoPlaylistModel
.scope([ ScopeNames.WITH_ACCOUNT_AND_CHANNEL, ScopeNames.WITH_VIDEOS_LENGTH, ScopeNames.WITH_THUMBNAIL ])
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.findOne(query)
}
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static loadByUrlAndPopulateAccount (url: string): Bluebird<MVideoPlaylistAccountThumbnail> {
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const query = {
where: {
url
}
}
return VideoPlaylistModel.scope([ ScopeNames.WITH_ACCOUNT, ScopeNames.WITH_THUMBNAIL ]).findOne(query)
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}
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static getPrivacyLabel (privacy: VideoPlaylistPrivacy) {
return VIDEO_PLAYLIST_PRIVACIES[privacy] || 'Unknown'
}
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static getTypeLabel (type: VideoPlaylistType) {
return VIDEO_PLAYLIST_TYPES[type] || 'Unknown'
}
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static resetPlaylistsOfChannel (videoChannelId: number, transaction: Transaction) {
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const query = {
where: {
videoChannelId
},
transaction
}
return VideoPlaylistModel.update({ privacy: VideoPlaylistPrivacy.PRIVATE, videoChannelId: null }, query)
}
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async setAndSaveThumbnail (thumbnail: MThumbnail, t: Transaction) {
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thumbnail.videoPlaylistId = this.id
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this.Thumbnail = await thumbnail.save({ transaction: t })
}
hasThumbnail () {
return !!this.Thumbnail
}
hasGeneratedThumbnail () {
return this.hasThumbnail() && this.Thumbnail.automaticallyGenerated === true
}
generateThumbnailName () {
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const extension = '.jpg'
return 'playlist-' + this.uuid + extension
}
getThumbnailUrl () {
if (!this.hasThumbnail()) return null
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return WEBSERVER.URL + STATIC_PATHS.THUMBNAILS + this.Thumbnail.filename
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}
getThumbnailStaticPath () {
if (!this.hasThumbnail()) return null
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return join(STATIC_PATHS.THUMBNAILS, this.Thumbnail.filename)
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}
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setAsRefreshed () {
this.changed('updatedAt', true)
return this.save()
}
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isOwned () {
return this.OwnerAccount.isOwned()
}
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isOutdated () {
if (this.isOwned()) return false
return isOutdated(this, ACTIVITY_PUB.VIDEO_PLAYLIST_REFRESH_INTERVAL)
}
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toFormattedJSON (this: MVideoPlaylistFormattable): VideoPlaylist {
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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(),
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type: {
id: this.type,
label: VideoPlaylistModel.getTypeLabel(this.type)
},
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videosLength: this.get('videosLength') as number,
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createdAt: this.createdAt,
updatedAt: this.updatedAt,
ownerAccount: this.OwnerAccount.toFormattedSummaryJSON(),
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videoChannel: this.VideoChannel
? this.VideoChannel.toFormattedSummaryJSON()
: null
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}
}
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toActivityPubObject (this: MVideoPlaylistAP, page: number, t: Transaction): Promise<PlaylistObject> {
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const handler = (start: number, count: number) => {
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return VideoPlaylistElementModel.listUrlsOfForAP(this.id, start, count, t)
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}
let icon: ActivityIconObject
if (this.hasThumbnail()) {
icon = {
type: 'Image' as 'Image',
url: this.getThumbnailUrl(),
mediaType: 'image/jpeg' as 'image/jpeg',
width: THUMBNAILS_SIZE.width,
height: THUMBNAILS_SIZE.height
}
}
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return activityPubCollectionPagination(this.url, handler, page)
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.then(o => {
return Object.assign(o, {
type: 'Playlist' as 'Playlist',
name: this.name,
content: this.description,
uuid: this.uuid,
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published: this.createdAt.toISOString(),
updated: this.updatedAt.toISOString(),
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attributedTo: this.VideoChannel ? [ this.VideoChannel.Actor.url ] : [],
icon
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})
})
}
}