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peertube/server/models/video/video-playlist.ts
2021-07-29 14:17:03 +02:00

689 lines
17 KiB
TypeScript

import { join } from 'path'
import { FindOptions, literal, Op, ScopeOptions, Sequelize, Transaction, WhereOptions } from 'sequelize'
import {
AllowNull,
BelongsTo,
Column,
CreatedAt,
DataType,
Default,
ForeignKey,
HasMany,
HasOne,
Is,
IsUUID,
Model,
Scopes,
Table,
UpdatedAt
} from 'sequelize-typescript'
import { buildUUID, uuidToShort } from '@server/helpers/uuid'
import { MAccountId, MChannelId } from '@server/types/models'
import { AttributesOnly, buildPlaylistEmbedPath, buildPlaylistWatchPath, pick } from '@shared/core-utils'
import { ActivityIconObject } from '../../../shared/models/activitypub/objects'
import { PlaylistObject } from '../../../shared/models/activitypub/objects/playlist-object'
import { VideoPlaylistPrivacy } from '../../../shared/models/videos/playlist/video-playlist-privacy.model'
import { VideoPlaylistType } from '../../../shared/models/videos/playlist/video-playlist-type.model'
import { VideoPlaylist } from '../../../shared/models/videos/playlist/video-playlist.model'
import { activityPubCollectionPagination } from '../../helpers/activitypub'
import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub/misc'
import {
isVideoPlaylistDescriptionValid,
isVideoPlaylistNameValid,
isVideoPlaylistPrivacyValid
} from '../../helpers/custom-validators/video-playlists'
import {
ACTIVITY_PUB,
CONSTRAINTS_FIELDS,
STATIC_PATHS,
THUMBNAILS_SIZE,
VIDEO_PLAYLIST_PRIVACIES,
VIDEO_PLAYLIST_TYPES,
WEBSERVER
} from '../../initializers/constants'
import { MThumbnail } from '../../types/models/video/thumbnail'
import {
MVideoPlaylistAccountThumbnail,
MVideoPlaylistAP,
MVideoPlaylistFormattable,
MVideoPlaylistFull,
MVideoPlaylistFullSummary,
MVideoPlaylistIdWithElements
} from '../../types/models/video/video-playlist'
import { AccountModel, ScopeNames as AccountScopeNames, SummaryOptions } from '../account/account'
import { ActorModel } from '../actor/actor'
import { setAsUpdated } from '../shared'
import {
buildServerIdsFollowedBy,
buildTrigramSearchIndex,
buildWhereIdOrUUID,
createSimilarityAttribute,
getPlaylistSort,
isOutdated,
throwIfNotValid
} from '../utils'
import { ThumbnailModel } from './thumbnail'
import { ScopeNames as VideoChannelScopeNames, VideoChannelModel } from './video-channel'
import { VideoPlaylistElementModel } from './video-playlist-element'
enum ScopeNames {
AVAILABLE_FOR_LIST = 'AVAILABLE_FOR_LIST',
WITH_VIDEOS_LENGTH = 'WITH_VIDEOS_LENGTH',
WITH_ACCOUNT_AND_CHANNEL_SUMMARY = 'WITH_ACCOUNT_AND_CHANNEL_SUMMARY',
WITH_ACCOUNT = 'WITH_ACCOUNT',
WITH_THUMBNAIL = 'WITH_THUMBNAIL',
WITH_ACCOUNT_AND_CHANNEL = 'WITH_ACCOUNT_AND_CHANNEL'
}
type AvailableForListOptions = {
followerActorId?: number
type?: VideoPlaylistType
accountId?: number
videoChannelId?: number
listMyPlaylists?: boolean
search?: string
host?: string
uuids?: string[]
withVideos?: boolean
}
function getVideoLengthSelect () {
return 'SELECT COUNT("id") FROM "videoPlaylistElement" WHERE "videoPlaylistId" = "VideoPlaylistModel"."id"'
}
@Scopes(() => ({
[ScopeNames.WITH_THUMBNAIL]: {
include: [
{
model: ThumbnailModel,
required: false
}
]
},
[ScopeNames.WITH_VIDEOS_LENGTH]: {
attributes: {
include: [
[
literal(`(${getVideoLengthSelect()})`),
'videosLength'
]
]
}
} as FindOptions,
[ScopeNames.WITH_ACCOUNT]: {
include: [
{
model: AccountModel,
required: true
}
]
},
[ScopeNames.WITH_ACCOUNT_AND_CHANNEL_SUMMARY]: {
include: [
{
model: AccountModel.scope(AccountScopeNames.SUMMARY),
required: true
},
{
model: VideoChannelModel.scope(VideoChannelScopeNames.SUMMARY),
required: false
}
]
},
[ScopeNames.WITH_ACCOUNT_AND_CHANNEL]: {
include: [
{
model: AccountModel,
required: true
},
{
model: VideoChannelModel,
required: false
}
]
},
[ScopeNames.AVAILABLE_FOR_LIST]: (options: AvailableForListOptions) => {
const whereAnd: WhereOptions[] = []
const whereServer = options.host && options.host !== WEBSERVER.HOST
? { host: options.host }
: undefined
let whereActor: WhereOptions = {}
if (options.host === WEBSERVER.HOST) {
whereActor = {
[Op.and]: [ { serverId: null } ]
}
}
if (options.listMyPlaylists !== true) {
whereAnd.push({
privacy: VideoPlaylistPrivacy.PUBLIC
})
// Only list local playlists
const whereActorOr: WhereOptions[] = [
{
serverId: null
}
]
// … OR playlists that are on an instance followed by actorId
if (options.followerActorId) {
const inQueryInstanceFollow = buildServerIdsFollowedBy(options.followerActorId)
whereActorOr.push({
serverId: {
[Op.in]: literal(inQueryInstanceFollow)
}
})
}
Object.assign(whereActor, { [Op.or]: whereActorOr })
}
if (options.accountId) {
whereAnd.push({
ownerAccountId: options.accountId
})
}
if (options.videoChannelId) {
whereAnd.push({
videoChannelId: options.videoChannelId
})
}
if (options.type) {
whereAnd.push({
type: options.type
})
}
if (options.uuids) {
whereAnd.push({
uuid: {
[Op.in]: options.uuids
}
})
}
if (options.withVideos === true) {
whereAnd.push(
literal(`(${getVideoLengthSelect()}) != 0`)
)
}
let attributesInclude: any[] = [ literal('0 as similarity') ]
if (options.search) {
const escapedSearch = VideoPlaylistModel.sequelize.escape(options.search)
const escapedLikeSearch = VideoPlaylistModel.sequelize.escape('%' + options.search + '%')
attributesInclude = [ createSimilarityAttribute('VideoPlaylistModel.name', options.search) ]
whereAnd.push({
[Op.or]: [
Sequelize.literal(
'lower(immutable_unaccent("VideoPlaylistModel"."name")) % lower(immutable_unaccent(' + escapedSearch + '))'
),
Sequelize.literal(
'lower(immutable_unaccent("VideoPlaylistModel"."name")) LIKE lower(immutable_unaccent(' + escapedLikeSearch + '))'
)
]
})
}
const where = {
[Op.and]: whereAnd
}
return {
attributes: {
include: attributesInclude
},
where,
include: [
{
model: AccountModel.scope({
method: [ AccountScopeNames.SUMMARY, { whereActor, whereServer } as SummaryOptions ]
}),
required: true
},
{
model: VideoChannelModel.scope(VideoChannelScopeNames.SUMMARY),
required: false
}
]
} as FindOptions
}
}))
@Table({
tableName: 'videoPlaylist',
indexes: [
buildTrigramSearchIndex('video_playlist_name_trigram', 'name'),
{
fields: [ 'ownerAccountId' ]
},
{
fields: [ 'videoChannelId' ]
},
{
fields: [ 'url' ],
unique: true
}
]
})
export class VideoPlaylistModel extends Model<Partial<AttributesOnly<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', true))
@Column(DataType.STRING(CONSTRAINTS_FIELDS.VIDEO_PLAYLISTS.DESCRIPTION.max))
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
@AllowNull(false)
@Default(VideoPlaylistType.REGULAR)
@Column
type: VideoPlaylistType
@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[]
@HasOne(() => ThumbnailModel, {
foreignKey: {
name: 'videoPlaylistId',
allowNull: true
},
onDelete: 'CASCADE',
hooks: true
})
Thumbnail: ThumbnailModel
static listForApi (options: AvailableForListOptions & {
start: number
count: number
sort: string
}) {
const query = {
offset: options.start,
limit: options.count,
order: getPlaylistSort(options.sort)
}
const scopes: (string | ScopeOptions)[] = [
{
method: [
ScopeNames.AVAILABLE_FOR_LIST,
{
...pick(options, [ 'type', 'followerActorId', 'accountId', 'videoChannelId', 'listMyPlaylists', 'search', 'host', 'uuids' ]),
withVideos: options.withVideos || false
} as AvailableForListOptions
]
},
ScopeNames.WITH_VIDEOS_LENGTH,
ScopeNames.WITH_THUMBNAIL
]
return VideoPlaylistModel
.scope(scopes)
.findAndCountAll(query)
.then(({ rows, count }) => {
return { total: count, data: rows }
})
}
static searchForApi (options: Pick<AvailableForListOptions, 'followerActorId' | 'search'| 'host'| 'uuids'> & {
start: number
count: number
sort: string
}) {
return VideoPlaylistModel.listForApi({
...options,
type: VideoPlaylistType.REGULAR,
listMyPlaylists: false,
withVideos: true
})
}
static listPublicUrlsOfForAP (options: { account?: MAccountId, channel?: MChannelId }, start: number, count: number) {
const where = {
privacy: VideoPlaylistPrivacy.PUBLIC
}
if (options.account) {
Object.assign(where, { ownerAccountId: options.account.id })
}
if (options.channel) {
Object.assign(where, { videoChannelId: options.channel.id })
}
const query = {
attributes: [ 'url' ],
offset: start,
limit: count,
where
}
return VideoPlaylistModel.findAndCountAll(query)
.then(({ rows, count }) => {
return { total: count, data: rows.map(p => p.url) }
})
}
static listPlaylistIdsOf (accountId: number, videoIds: number[]): Promise<MVideoPlaylistIdWithElements[]> {
const query = {
attributes: [ 'id' ],
where: {
ownerAccountId: accountId
},
include: [
{
attributes: [ 'id', 'videoId', 'startTimestamp', 'stopTimestamp' ],
model: VideoPlaylistElementModel.unscoped(),
where: {
videoId: {
[Op.in]: videoIds
}
},
required: true
}
]
}
return VideoPlaylistModel.findAll(query)
}
static doesPlaylistExist (url: string) {
const query = {
attributes: [ 'id' ],
where: {
url
}
}
return VideoPlaylistModel
.findOne(query)
.then(e => !!e)
}
static loadWithAccountAndChannelSummary (id: number | string, transaction: Transaction): Promise<MVideoPlaylistFullSummary> {
const where = buildWhereIdOrUUID(id)
const query = {
where,
transaction
}
return VideoPlaylistModel
.scope([ ScopeNames.WITH_ACCOUNT_AND_CHANNEL_SUMMARY, ScopeNames.WITH_VIDEOS_LENGTH, ScopeNames.WITH_THUMBNAIL ])
.findOne(query)
}
static loadWithAccountAndChannel (id: number | string, transaction: Transaction): Promise<MVideoPlaylistFull> {
const where = buildWhereIdOrUUID(id)
const query = {
where,
transaction
}
return VideoPlaylistModel
.scope([ ScopeNames.WITH_ACCOUNT_AND_CHANNEL, ScopeNames.WITH_VIDEOS_LENGTH, ScopeNames.WITH_THUMBNAIL ])
.findOne(query)
}
static loadByUrlAndPopulateAccount (url: string): Promise<MVideoPlaylistAccountThumbnail> {
const query = {
where: {
url
}
}
return VideoPlaylistModel.scope([ ScopeNames.WITH_ACCOUNT, ScopeNames.WITH_THUMBNAIL ]).findOne(query)
}
static loadByUrlWithAccountAndChannelSummary (url: string): Promise<MVideoPlaylistFullSummary> {
const query = {
where: {
url
}
}
return VideoPlaylistModel
.scope([ ScopeNames.WITH_ACCOUNT_AND_CHANNEL_SUMMARY, ScopeNames.WITH_VIDEOS_LENGTH, ScopeNames.WITH_THUMBNAIL ])
.findOne(query)
}
static getPrivacyLabel (privacy: VideoPlaylistPrivacy) {
return VIDEO_PLAYLIST_PRIVACIES[privacy] || 'Unknown'
}
static getTypeLabel (type: VideoPlaylistType) {
return VIDEO_PLAYLIST_TYPES[type] || 'Unknown'
}
static resetPlaylistsOfChannel (videoChannelId: number, transaction: Transaction) {
const query = {
where: {
videoChannelId
},
transaction
}
return VideoPlaylistModel.update({ privacy: VideoPlaylistPrivacy.PRIVATE, videoChannelId: null }, query)
}
async setAndSaveThumbnail (thumbnail: MThumbnail, t: Transaction) {
thumbnail.videoPlaylistId = this.id
this.Thumbnail = await thumbnail.save({ transaction: t })
}
hasThumbnail () {
return !!this.Thumbnail
}
hasGeneratedThumbnail () {
return this.hasThumbnail() && this.Thumbnail.automaticallyGenerated === true
}
generateThumbnailName () {
const extension = '.jpg'
return 'playlist-' + buildUUID() + extension
}
getThumbnailUrl () {
if (!this.hasThumbnail()) return null
return WEBSERVER.URL + STATIC_PATHS.THUMBNAILS + this.Thumbnail.filename
}
getThumbnailStaticPath () {
if (!this.hasThumbnail()) return null
return join(STATIC_PATHS.THUMBNAILS, this.Thumbnail.filename)
}
getWatchStaticPath () {
return buildPlaylistWatchPath({ shortUUID: uuidToShort(this.uuid) })
}
getEmbedStaticPath () {
return buildPlaylistEmbedPath(this)
}
static async getStats () {
const totalLocalPlaylists = await VideoPlaylistModel.count({
include: [
{
model: AccountModel,
required: true,
include: [
{
model: ActorModel,
required: true,
where: {
serverId: null
}
}
]
}
],
where: {
privacy: VideoPlaylistPrivacy.PUBLIC
}
})
return {
totalLocalPlaylists
}
}
setAsRefreshed () {
return setAsUpdated('videoPlaylist', this.id)
}
setVideosLength (videosLength: number) {
this.set('videosLength' as any, videosLength, { raw: true })
}
isOwned () {
return this.OwnerAccount.isOwned()
}
isOutdated () {
if (this.isOwned()) return false
return isOutdated(this, ACTIVITY_PUB.VIDEO_PLAYLIST_REFRESH_INTERVAL)
}
toFormattedJSON (this: MVideoPlaylistFormattable): VideoPlaylist {
return {
id: this.id,
uuid: this.uuid,
shortUUID: uuidToShort(this.uuid),
isLocal: this.isOwned(),
url: this.url,
displayName: this.name,
description: this.description,
privacy: {
id: this.privacy,
label: VideoPlaylistModel.getPrivacyLabel(this.privacy)
},
thumbnailPath: this.getThumbnailStaticPath(),
embedPath: this.getEmbedStaticPath(),
type: {
id: this.type,
label: VideoPlaylistModel.getTypeLabel(this.type)
},
videosLength: this.get('videosLength') as number,
createdAt: this.createdAt,
updatedAt: this.updatedAt,
ownerAccount: this.OwnerAccount.toFormattedSummaryJSON(),
videoChannel: this.VideoChannel
? this.VideoChannel.toFormattedSummaryJSON()
: null
}
}
toActivityPubObject (this: MVideoPlaylistAP, page: number, t: Transaction): Promise<PlaylistObject> {
const handler = (start: number, count: number) => {
return VideoPlaylistElementModel.listUrlsOfForAP(this.id, start, count, t)
}
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
}
}
return activityPubCollectionPagination(this.url, handler, page)
.then(o => {
return Object.assign(o, {
type: 'Playlist' as 'Playlist',
name: this.name,
content: this.description,
uuid: this.uuid,
published: this.createdAt.toISOString(),
updated: this.updatedAt.toISOString(),
attributedTo: this.VideoChannel ? [ this.VideoChannel.Actor.url ] : [],
icon
})
})
}
}