import { AllowNull, BeforeDestroy, BelongsTo, Column, CreatedAt, DefaultScope, ForeignKey, HasMany, Is, Model, Scopes, Table, UpdatedAt, Default, DataType } from 'sequelize-typescript' import { ActivityPubActor } from '../../../shared/models/activitypub' import { VideoChannel } from '../../../shared/models/videos' import { isVideoChannelDescriptionValid, isVideoChannelNameValid, isVideoChannelSupportValid } from '../../helpers/custom-validators/video-channels' import { logger } from '../../helpers/logger' import { sendDeleteActor } from '../../lib/activitypub/send' import { AccountModel } from '../account/account' import { ActorModel } from '../activitypub/actor' import { getSort, throwIfNotValid } from '../utils' import { VideoModel } from './video' import { CONSTRAINTS_FIELDS } from '../../initializers' enum ScopeNames { WITH_ACCOUNT = 'WITH_ACCOUNT', WITH_ACTOR = 'WITH_ACTOR', WITH_VIDEOS = 'WITH_VIDEOS' } @DefaultScope({ include: [ { model: () => ActorModel, required: true } ] }) @Scopes({ [ScopeNames.WITH_ACCOUNT]: { include: [ { model: () => AccountModel.unscoped(), required: true, include: [ { model: () => ActorModel.unscoped(), required: true } ] } ] }, [ScopeNames.WITH_VIDEOS]: { include: [ () => VideoModel ] }, [ScopeNames.WITH_ACTOR]: { include: [ () => ActorModel ] } }) @Table({ tableName: 'videoChannel', indexes: [ { fields: [ 'accountId' ] } ] }) export class VideoChannelModel extends Model { @AllowNull(false) @Is('VideoChannelName', value => throwIfNotValid(value, isVideoChannelNameValid, 'name')) @Column name: string @AllowNull(true) @Default(null) @Is('VideoChannelDescription', value => throwIfNotValid(value, isVideoChannelDescriptionValid, 'description')) @Column(DataType.STRING(CONSTRAINTS_FIELDS.VIDEO_CHANNELS.DESCRIPTION.max)) description: string @AllowNull(true) @Default(null) @Is('VideoChannelSupport', value => throwIfNotValid(value, isVideoChannelSupportValid, 'support')) @Column(DataType.STRING(CONSTRAINTS_FIELDS.VIDEO_CHANNELS.SUPPORT.max)) support: string @CreatedAt createdAt: Date @UpdatedAt updatedAt: Date @ForeignKey(() => ActorModel) @Column actorId: number @BelongsTo(() => ActorModel, { foreignKey: { allowNull: false }, onDelete: 'cascade' }) Actor: ActorModel @ForeignKey(() => AccountModel) @Column accountId: number @BelongsTo(() => AccountModel, { foreignKey: { allowNull: false }, hooks: true }) Account: AccountModel @HasMany(() => VideoModel, { foreignKey: { name: 'channelId', allowNull: false }, onDelete: 'CASCADE', hooks: true }) Videos: VideoModel[] @BeforeDestroy static async sendDeleteIfOwned (instance: VideoChannelModel, options) { if (!instance.Actor) { instance.Actor = await instance.$get('Actor', { transaction: options.transaction }) as ActorModel } if (instance.Actor.isOwned()) { logger.debug('Sending delete of actor of video channel %s.', instance.Actor.url) return sendDeleteActor(instance.Actor, options.transaction) } return undefined } static countByAccount (accountId: number) { const query = { where: { accountId } } return VideoChannelModel.count(query) } static listForApi (start: number, count: number, sort: string) { const query = { offset: start, limit: count, order: getSort(sort) } return VideoChannelModel .scope([ ScopeNames.WITH_ACTOR, ScopeNames.WITH_ACCOUNT ]) .findAndCountAll(query) .then(({ rows, count }) => { return { total: count, data: rows } }) } static listByAccount (accountId: number) { const query = { order: getSort('createdAt'), include: [ { model: AccountModel, where: { id: accountId }, required: true } ] } return VideoChannelModel .findAndCountAll(query) .then(({ rows, count }) => { return { total: count, data: rows } }) } static loadByIdAndAccount (id: number, accountId: number) { const options = { where: { id, accountId } } return VideoChannelModel .scope([ ScopeNames.WITH_ACTOR, ScopeNames.WITH_ACCOUNT ]) .findOne(options) } static loadAndPopulateAccount (id: number) { return VideoChannelModel .scope([ ScopeNames.WITH_ACTOR, ScopeNames.WITH_ACCOUNT ]) .findById(id) } static loadByUUIDAndPopulateAccount (uuid: string) { const options = { include: [ { model: ActorModel, required: true, where: { uuid } } ] } return VideoChannelModel .scope([ ScopeNames.WITH_ACTOR, ScopeNames.WITH_ACCOUNT ]) .findOne(options) } static loadAndPopulateAccountAndVideos (id: number) { const options = { include: [ VideoModel ] } return VideoChannelModel .scope([ ScopeNames.WITH_ACTOR, ScopeNames.WITH_ACCOUNT, ScopeNames.WITH_VIDEOS ]) .findById(id, options) } toFormattedJSON (): VideoChannel { const actor = this.Actor.toFormattedJSON() const videoChannel = { id: this.id, displayName: this.name, description: this.description, support: this.support, isLocal: this.Actor.isOwned(), createdAt: this.createdAt, updatedAt: this.updatedAt, ownerAccount: undefined, videos: undefined } if (this.Account) videoChannel.ownerAccount = this.Account.toFormattedJSON() return Object.assign(actor, videoChannel) } toActivityPubObject (): ActivityPubActor { const obj = this.Actor.toActivityPubObject(this.name, 'VideoChannel') return Object.assign(obj, { summary: this.description, support: this.support, attributedTo: [ { type: 'Person' as 'Person', id: this.Account.Actor.url } ] }) } }