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import {
AllowNull,
BelongsTo,
Column,
CreatedAt,
DataType,
Default,
ForeignKey,
Is,
IsInt,
Min,
Model,
Table,
UpdatedAt
} from 'sequelize-typescript'
import { VideoModel } from './video'
import { VideoPlaylistModel } from './video-playlist'
import * as Sequelize from 'sequelize'
import { getSort, throwIfNotValid } from '../utils'
import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub/misc'
import { CONSTRAINTS_FIELDS } from '../../initializers/constants'
import { PlaylistElementObject } from '../../../shared/models/activitypub/objects/playlist-element-object'
import * as validator from 'validator'
@Table({
tableName: 'videoPlaylistElement',
indexes: [
{
fields: [ 'videoPlaylistId' ]
},
{
fields: [ 'videoId' ]
},
{
fields: [ 'videoPlaylistId', 'videoId' ],
unique: true
},
{
fields: [ 'url' ],
unique: true
}
]
})
export class VideoPlaylistElementModel extends Model<VideoPlaylistElementModel> {
@CreatedAt
createdAt: Date
@UpdatedAt
updatedAt: Date
@AllowNull(false)
@Is('VideoPlaylistUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'url'))
@Column(DataType.STRING(CONSTRAINTS_FIELDS.VIDEO_PLAYLISTS.URL.max))
url: string
@AllowNull(false)
@Default(1)
@IsInt
@Min(1)
@Column
position: number
@AllowNull(true)
@IsInt
@Min(0)
@Column
startTimestamp: number
@AllowNull(true)
@IsInt
@Min(0)
@Column
stopTimestamp: number
@ForeignKey(() => VideoPlaylistModel)
@Column
videoPlaylistId: number
@BelongsTo(() => VideoPlaylistModel, {
foreignKey: {
allowNull: false
},
onDelete: 'CASCADE'
})
VideoPlaylist: VideoPlaylistModel
@ForeignKey(() => VideoModel)
@Column
videoId: number
@BelongsTo(() => VideoModel, {
foreignKey: {
allowNull: false
},
onDelete: 'CASCADE'
})
Video: VideoModel
static deleteAllOf (videoPlaylistId: number, transaction?: Sequelize.Transaction) {
const query = {
where: {
videoPlaylistId
},
transaction
}
return VideoPlaylistElementModel.destroy(query)
}
static loadByPlaylistAndVideo (videoPlaylistId: number, videoId: number) {
const query = {
where: {
videoPlaylistId,
videoId
}
}
return VideoPlaylistElementModel.findOne(query)
}
static loadByPlaylistAndVideoForAP (playlistId: number | string, videoId: number | string) {
const playlistWhere = validator.isUUID('' + playlistId) ? { uuid: playlistId } : { id: playlistId }
const videoWhere = validator.isUUID('' + videoId) ? { uuid: videoId } : { id: videoId }
const query = {
include: [
{
attributes: [ 'privacy' ],
model: VideoPlaylistModel.unscoped(),
where: playlistWhere
},
{
attributes: [ 'url' ],
model: VideoModel.unscoped(),
where: videoWhere
}
]
}
return VideoPlaylistElementModel.findOne(query)
}
static listUrlsOfForAP (videoPlaylistId: number, start: number, count: number, t?: Sequelize.Transaction) {
const query = {
attributes: [ 'url' ],
offset: start,
limit: count,
order: getSort('position'),
where: {
videoPlaylistId
},
transaction: t
}
return VideoPlaylistElementModel
.findAndCountAll(query)
.then(({ rows, count }) => {
return { total: count, data: rows.map(e => e.url) }
})
}
static getNextPositionOf (videoPlaylistId: number, transaction?: Sequelize.Transaction) {
const query = {
where: {
videoPlaylistId
},
transaction
}
return VideoPlaylistElementModel.max('position', query)
.then(position => position ? position + 1 : 1)
}
static reassignPositionOf (
videoPlaylistId: number,
firstPosition: number,
endPosition: number,
newPosition: number,
transaction?: Sequelize.Transaction
) {
const query = {
where: {
videoPlaylistId,
position: {
[Sequelize.Op.gte]: firstPosition,
[Sequelize.Op.lte]: endPosition
}
},
transaction,
validate: false // We use a literal to update the position
}
return VideoPlaylistElementModel.update({ position: Sequelize.literal(`${newPosition} + "position" - ${firstPosition}`) }, query)
}
static increasePositionOf (
videoPlaylistId: number,
fromPosition: number,
toPosition?: number,
by = 1,
transaction?: Sequelize.Transaction
) {
const query = {
where: {
videoPlaylistId,
position: {
[Sequelize.Op.gte]: fromPosition
}
},
transaction
}
return VideoPlaylistElementModel.increment({ position: by }, query)
}
toActivityPubObject (): PlaylistElementObject {
const base: PlaylistElementObject = {
id: this.url,
type: 'PlaylistElement',
url: this.Video.url,
position: this.position
}
if (this.startTimestamp) base.startTimestamp = this.startTimestamp
if (this.stopTimestamp) base.stopTimestamp = this.stopTimestamp
return base
}
}
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