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 { @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 } }