import { AllowNull, BeforeDestroy, BelongsTo, Column, CreatedAt, DataType, Default, DefaultScope, ForeignKey, HasMany, Is, Model, Scopes, Sequelize, Table, UpdatedAt } 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 { sendDeleteActor } from '../../lib/activitypub/send' import { AccountModel } from '../account/account' import { ActorModel, unusedActorAttributesForAPI } from '../activitypub/actor' import { buildTrigramSearchIndex, createSimilarityAttribute, getSort, throwIfNotValid } from '../utils' import { VideoModel } from './video' import { CONSTRAINTS_FIELDS } from '../../initializers' import { ServerModel } from '../server/server' import { DefineIndexesOptions } from 'sequelize' // FIXME: Define indexes here because there is an issue with TS and Sequelize.literal when called directly in the annotation const indexes: DefineIndexesOptions[] = [ buildTrigramSearchIndex('video_channel_name_trigram', 'name'), { fields: [ 'accountId' ] }, { fields: [ 'actorId' ] } ] enum ScopeNames { AVAILABLE_FOR_LIST = 'AVAILABLE_FOR_LIST', WITH_ACCOUNT = 'WITH_ACCOUNT', WITH_ACTOR = 'WITH_ACTOR', WITH_VIDEOS = 'WITH_VIDEOS' } type AvailableForListOptions = { actorId: number } @DefaultScope({ include: [ { model: () => ActorModel, required: true } ] }) @Scopes({ [ScopeNames.AVAILABLE_FOR_LIST]: (options: AvailableForListOptions) => { const actorIdNumber = parseInt(options.actorId + '', 10) // Only list local channels OR channels that are on an instance followed by actorId const inQueryInstanceFollow = '(' + 'SELECT "actor"."serverId" FROM "actorFollow" ' + 'INNER JOIN "actor" ON actor.id= "actorFollow"."targetActorId" ' + 'WHERE "actorFollow"."actorId" = ' + actorIdNumber + ')' return { include: [ { attributes: { exclude: unusedActorAttributesForAPI }, model: ActorModel, where: { [Sequelize.Op.or]: [ { serverId: null }, { serverId: { [ Sequelize.Op.in ]: Sequelize.literal(inQueryInstanceFollow) } } ] } }, { model: AccountModel, required: true, include: [ { attributes: { exclude: unusedActorAttributesForAPI }, model: ActorModel, // Default scope includes avatar and server required: true } ] } ] } }, [ScopeNames.WITH_ACCOUNT]: { include: [ { model: () => AccountModel, required: true } ] }, [ScopeNames.WITH_VIDEOS]: { include: [ () => VideoModel ] }, [ScopeNames.WITH_ACTOR]: { include: [ () => ActorModel ] } }) @Table({ tableName: 'videoChannel', indexes }) 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()) { return sendDeleteActor(instance.Actor, options.transaction) } return undefined } static countByAccount (accountId: number) { const query = { where: { accountId } } return VideoChannelModel.count(query) } static listForApi (actorId: number, start: number, count: number, sort: string) { const query = { offset: start, limit: count, order: getSort(sort) } const scopes = { method: [ ScopeNames.AVAILABLE_FOR_LIST, { actorId } as AvailableForListOptions ] } return VideoChannelModel .scope(scopes) .findAndCountAll(query) .then(({ rows, count }) => { return { total: count, data: rows } }) } static searchForApi (options: { actorId: number search: string start: number count: number sort: string }) { const attributesInclude = [] const escapedSearch = VideoModel.sequelize.escape(options.search) const escapedLikeSearch = VideoModel.sequelize.escape('%' + options.search + '%') attributesInclude.push(createSimilarityAttribute('VideoChannelModel.name', options.search)) const query = { attributes: { include: attributesInclude }, offset: options.start, limit: options.count, order: getSort(options.sort), where: { [Sequelize.Op.or]: [ Sequelize.literal( 'lower(immutable_unaccent("VideoChannelModel"."name")) % lower(immutable_unaccent(' + escapedSearch + '))' ), Sequelize.literal( 'lower(immutable_unaccent("VideoChannelModel"."name")) LIKE lower(immutable_unaccent(' + escapedLikeSearch + '))' ) ] } } const scopes = { method: [ ScopeNames.AVAILABLE_FOR_LIST, { actorId: options.actorId } as AvailableForListOptions ] } return VideoChannelModel .scope(scopes) .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 query = { where: { id, accountId } } return VideoChannelModel .scope([ ScopeNames.WITH_ACTOR, ScopeNames.WITH_ACCOUNT ]) .findOne(query) } static loadAndPopulateAccount (id: number) { return VideoChannelModel .scope([ ScopeNames.WITH_ACTOR, ScopeNames.WITH_ACCOUNT ]) .findById(id) } static loadByUUIDAndPopulateAccount (uuid: string) { const query = { include: [ { model: ActorModel, required: true, where: { uuid } } ] } return VideoChannelModel .scope([ ScopeNames.WITH_ACCOUNT ]) .findOne(query) } static loadByUrlAndPopulateAccount (url: string) { const query = { include: [ { model: ActorModel, required: true, where: { url } } ] } return VideoChannelModel .scope([ ScopeNames.WITH_ACCOUNT ]) .findOne(query) } static loadLocalByNameAndPopulateAccount (name: string) { const query = { include: [ { model: ActorModel, required: true, where: { preferredUsername: name, serverId: null } } ] } return VideoChannelModel .scope([ ScopeNames.WITH_ACTOR, ScopeNames.WITH_ACCOUNT ]) .findOne(query) } static loadByNameAndHostAndPopulateAccount (name: string, host: string) { const query = { include: [ { model: ActorModel, required: true, where: { preferredUsername: name }, include: [ { model: ServerModel, required: true, where: { host } } ] } ] } return VideoChannelModel .scope([ ScopeNames.WITH_ACTOR, ScopeNames.WITH_ACCOUNT ]) .findOne(query) } 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.getDisplayName(), description: this.description, support: this.support, isLocal: this.Actor.isOwned(), createdAt: this.createdAt, updatedAt: this.updatedAt, ownerAccount: 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 } ] }) } getDisplayName () { return this.name } }