server/models/video/video-channel.ts

   1 import {
   2   AllowNull,
   3   BeforeDestroy,
   4   BelongsTo,
   5   Column,
   6   CreatedAt,
   7   DataType,
   8   Default,
   9   DefaultScope,
  10   ForeignKey,
  11   HasMany, IFindOptions,
  12   Is,
  13   Model,
  14   Scopes,
  15   Sequelize,
  16   Table,
  17   UpdatedAt
  18 } from 'sequelize-typescript'
  19 import { ActivityPubActor } from '../../../shared/models/activitypub'
  20 import { VideoChannel, VideoChannelSummary } from '../../../shared/models/videos'
  21 import {
  22   isVideoChannelDescriptionValid,
  23   isVideoChannelNameValid,
  24   isVideoChannelSupportValid
  25 } from '../../helpers/custom-validators/video-channels'
  26 import { sendDeleteActor } from '../../lib/activitypub/send'
  27 import { AccountModel, ScopeNames as AccountModelScopeNames } from '../account/account'
  28 import { ActorModel, unusedActorAttributesForAPI } from '../activitypub/actor'
  29 import { buildServerIdsFollowedBy, buildTrigramSearchIndex, createSimilarityAttribute, getSort, throwIfNotValid } from '../utils'
  30 import { VideoModel } from './video'
  31 import { CONFIG, CONSTRAINTS_FIELDS } from '../../initializers'
  32 import { ServerModel } from '../server/server'
  33 import { DefineIndexesOptions } from 'sequelize'
  34 import { AvatarModel } from '../avatar/avatar'
  35 import { VideoPlaylistModel } from './video-playlist'
  36
  37 // FIXME: Define indexes here because there is an issue with TS and Sequelize.literal when called directly in the annotation
  38 const indexes: DefineIndexesOptions[] = [
  39   buildTrigramSearchIndex('video_channel_name_trigram', 'name'),
  40
  41   {
  42     fields: [ 'accountId' ]
  43   },
  44   {
  45     fields: [ 'actorId' ]
  46   }
  47 ]
  48
  49 export enum ScopeNames {
  50   AVAILABLE_FOR_LIST = 'AVAILABLE_FOR_LIST',
  51   WITH_ACCOUNT = 'WITH_ACCOUNT',
  52   WITH_ACTOR = 'WITH_ACTOR',
  53   WITH_VIDEOS = 'WITH_VIDEOS',
  54   SUMMARY = 'SUMMARY'
  55 }
  56
  57 type AvailableForListOptions = {
  58   actorId: number
  59 }
  60
  61 @DefaultScope({
  62   include: [
  63     {
  64       model: () => ActorModel,
  65       required: true
  66     }
  67   ]
  68 })
  69 @Scopes({
  70   [ScopeNames.SUMMARY]: (withAccount = false) => {
  71     const base: IFindOptions<VideoChannelModel> = {
  72       attributes: [ 'name', 'description', 'id', 'actorId' ],
  73       include: [
  74         {
  75           attributes: [ 'uuid', 'preferredUsername', 'url', 'serverId', 'avatarId' ],
  76           model: ActorModel.unscoped(),
  77           required: true,
  78           include: [
  79             {
  80               attributes: [ 'host' ],
  81               model: ServerModel.unscoped(),
  82               required: false
  83             },
  84             {
  85               model: AvatarModel.unscoped(),
  86               required: false
  87             }
  88           ]
  89         }
  90       ]
  91     }
  92
  93     if (withAccount === true) {
  94       base.include.push({
  95         model: AccountModel.scope(AccountModelScopeNames.SUMMARY),
  96         required: true
  97       })
  98     }
  99
 100     return base
 101   },
 102   [ScopeNames.AVAILABLE_FOR_LIST]: (options: AvailableForListOptions) => {
 103     // Only list local channels OR channels that are on an instance followed by actorId
 104     const inQueryInstanceFollow = buildServerIdsFollowedBy(options.actorId)
 105
 106     return {
 107       include: [
 108         {
 109           attributes: {
 110             exclude: unusedActorAttributesForAPI
 111           },
 112           model: ActorModel,
 113           where: {
 114             [Sequelize.Op.or]: [
 115               {
 116                 serverId: null
 117               },
 118               {
 119                 serverId: {
 120                   [ Sequelize.Op.in ]: Sequelize.literal(inQueryInstanceFollow)
 121                 }
 122               }
 123             ]
 124           }
 125         },
 126         {
 127           model: AccountModel,
 128           required: true,
 129           include: [
 130             {
 131               attributes: {
 132                 exclude: unusedActorAttributesForAPI
 133               },
 134               model: ActorModel, // Default scope includes avatar and server
 135               required: true
 136             }
 137           ]
 138         }
 139       ]
 140     }
 141   },
 142   [ScopeNames.WITH_ACCOUNT]: {
 143     include: [
 144       {
 145         model: () => AccountModel,
 146         required: true
 147       }
 148     ]
 149   },
 150   [ScopeNames.WITH_VIDEOS]: {
 151     include: [
 152       () => VideoModel
 153     ]
 154   },
 155   [ScopeNames.WITH_ACTOR]: {
 156     include: [
 157       () => ActorModel
 158     ]
 159   }
 160 })
 161 @Table({
 162   tableName: 'videoChannel',
 163   indexes
 164 })
 165 export class VideoChannelModel extends Model<VideoChannelModel> {
 166
 167   @AllowNull(false)
 168   @Is('VideoChannelName', value => throwIfNotValid(value, isVideoChannelNameValid, 'name'))
 169   @Column
 170   name: string
 171
 172   @AllowNull(true)
 173   @Default(null)
 174   @Is('VideoChannelDescription', value => throwIfNotValid(value, isVideoChannelDescriptionValid, 'description'))
 175   @Column(DataType.STRING(CONSTRAINTS_FIELDS.VIDEO_CHANNELS.DESCRIPTION.max))
 176   description: string
 177
 178   @AllowNull(true)
 179   @Default(null)
 180   @Is('VideoChannelSupport', value => throwIfNotValid(value, isVideoChannelSupportValid, 'support'))
 181   @Column(DataType.STRING(CONSTRAINTS_FIELDS.VIDEO_CHANNELS.SUPPORT.max))
 182   support: string
 183
 184   @CreatedAt
 185   createdAt: Date
 186
 187   @UpdatedAt
 188   updatedAt: Date
 189
 190   @ForeignKey(() => ActorModel)
 191   @Column
 192   actorId: number
 193
 194   @BelongsTo(() => ActorModel, {
 195     foreignKey: {
 196       allowNull: false
 197     },
 198     onDelete: 'cascade'
 199   })
 200   Actor: ActorModel
 201
 202   @ForeignKey(() => AccountModel)
 203   @Column
 204   accountId: number
 205
 206   @BelongsTo(() => AccountModel, {
 207     foreignKey: {
 208       allowNull: false
 209     },
 210     hooks: true
 211   })
 212   Account: AccountModel
 213
 214   @HasMany(() => VideoModel, {
 215     foreignKey: {
 216       name: 'channelId',
 217       allowNull: false
 218     },
 219     onDelete: 'CASCADE',
 220     hooks: true
 221   })
 222   Videos: VideoModel[]
 223
 224   @HasMany(() => VideoPlaylistModel, {
 225     foreignKey: {
 226       allowNull: true
 227     },
 228     onDelete: 'CASCADE',
 229     hooks: true
 230   })
 231   VideoPlaylists: VideoPlaylistModel[]
 232
 233   @BeforeDestroy
 234   static async sendDeleteIfOwned (instance: VideoChannelModel, options) {
 235     if (!instance.Actor) {
 236       instance.Actor = await instance.$get('Actor', { transaction: options.transaction }) as ActorModel
 237     }
 238
 239     if (instance.Actor.isOwned()) {
 240       return sendDeleteActor(instance.Actor, options.transaction)
 241     }
 242
 243     return undefined
 244   }
 245
 246   static countByAccount (accountId: number) {
 247     const query = {
 248       where: {
 249         accountId
 250       }
 251     }
 252
 253     return VideoChannelModel.count(query)
 254   }
 255
 256   static listForApi (actorId: number, start: number, count: number, sort: string) {
 257     const query = {
 258       offset: start,
 259       limit: count,
 260       order: getSort(sort)
 261     }
 262
 263     const scopes = {
 264       method: [ ScopeNames.AVAILABLE_FOR_LIST, { actorId } as AvailableForListOptions ]
 265     }
 266     return VideoChannelModel
 267       .scope(scopes)
 268       .findAndCountAll(query)
 269       .then(({ rows, count }) => {
 270         return { total: count, data: rows }
 271       })
 272   }
 273
 274   static listLocalsForSitemap (sort: string) {
 275     const query = {
 276       attributes: [ ],
 277       offset: 0,
 278       order: getSort(sort),
 279       include: [
 280         {
 281           attributes: [ 'preferredUsername', 'serverId' ],
 282           model: ActorModel.unscoped(),
 283           where: {
 284             serverId: null
 285           }
 286         }
 287       ]
 288     }
 289
 290     return VideoChannelModel
 291       .unscoped()
 292       .findAll(query)
 293   }
 294
 295   static searchForApi (options: {
 296     actorId: number
 297     search: string
 298     start: number
 299     count: number
 300     sort: string
 301   }) {
 302     const attributesInclude = []
 303     const escapedSearch = VideoModel.sequelize.escape(options.search)
 304     const escapedLikeSearch = VideoModel.sequelize.escape('%' + options.search + '%')
 305     attributesInclude.push(createSimilarityAttribute('VideoChannelModel.name', options.search))
 306
 307     const query = {
 308       attributes: {
 309         include: attributesInclude
 310       },
 311       offset: options.start,
 312       limit: options.count,
 313       order: getSort(options.sort),
 314       where: {
 315         [Sequelize.Op.or]: [
 316           Sequelize.literal(
 317             'lower(immutable_unaccent("VideoChannelModel"."name")) % lower(immutable_unaccent(' + escapedSearch + '))'
 318           ),
 319           Sequelize.literal(
 320             'lower(immutable_unaccent("VideoChannelModel"."name")) LIKE lower(immutable_unaccent(' + escapedLikeSearch + '))'
 321           )
 322         ]
 323       }
 324     }
 325
 326     const scopes = {
 327       method: [ ScopeNames.AVAILABLE_FOR_LIST, { actorId: options.actorId } as AvailableForListOptions ]
 328     }
 329     return VideoChannelModel
 330       .scope(scopes)
 331       .findAndCountAll(query)
 332       .then(({ rows, count }) => {
 333         return { total: count, data: rows }
 334       })
 335   }
 336
 337   static listByAccount (accountId: number) {
 338     const query = {
 339       order: getSort('createdAt'),
 340       include: [
 341         {
 342           model: AccountModel,
 343           where: {
 344             id: accountId
 345           },
 346           required: true
 347         }
 348       ]
 349     }
 350
 351     return VideoChannelModel
 352       .findAndCountAll(query)
 353       .then(({ rows, count }) => {
 354         return { total: count, data: rows }
 355       })
 356   }
 357
 358   static loadByIdAndPopulateAccount (id: number) {
 359     return VideoChannelModel.unscoped()
 360       .scope([ ScopeNames.WITH_ACTOR, ScopeNames.WITH_ACCOUNT ])
 361       .findByPk(id)
 362   }
 363
 364   static loadByIdAndAccount (id: number, accountId: number) {
 365     const query = {
 366       where: {
 367         id,
 368         accountId
 369       }
 370     }
 371
 372     return VideoChannelModel.unscoped()
 373       .scope([ ScopeNames.WITH_ACTOR, ScopeNames.WITH_ACCOUNT ])
 374       .findOne(query)
 375   }
 376
 377   static loadAndPopulateAccount (id: number) {
 378     return VideoChannelModel.unscoped()
 379       .scope([ ScopeNames.WITH_ACTOR, ScopeNames.WITH_ACCOUNT ])
 380       .findByPk(id)
 381   }
 382
 383   static loadByUUIDAndPopulateAccount (uuid: string) {
 384     const query = {
 385       include: [
 386         {
 387           model: ActorModel,
 388           required: true,
 389           where: {
 390             uuid
 391           }
 392         }
 393       ]
 394     }
 395
 396     return VideoChannelModel
 397       .scope([ ScopeNames.WITH_ACCOUNT ])
 398       .findOne(query)
 399   }
 400
 401   static loadByUrlAndPopulateAccount (url: string) {
 402     const query = {
 403       include: [
 404         {
 405           model: ActorModel,
 406           required: true,
 407           where: {
 408             url
 409           }
 410         }
 411       ]
 412     }
 413
 414     return VideoChannelModel
 415       .scope([ ScopeNames.WITH_ACCOUNT ])
 416       .findOne(query)
 417   }
 418
 419   static loadByNameWithHostAndPopulateAccount (nameWithHost: string) {
 420     const [ name, host ] = nameWithHost.split('@')
 421
 422     if (!host || host === CONFIG.WEBSERVER.HOST) return VideoChannelModel.loadLocalByNameAndPopulateAccount(name)
 423
 424     return VideoChannelModel.loadByNameAndHostAndPopulateAccount(name, host)
 425   }
 426
 427   static loadLocalByNameAndPopulateAccount (name: string) {
 428     const query = {
 429       include: [
 430         {
 431           model: ActorModel,
 432           required: true,
 433           where: {
 434             preferredUsername: name,
 435             serverId: null
 436           }
 437         }
 438       ]
 439     }
 440
 441     return VideoChannelModel.unscoped()
 442       .scope([ ScopeNames.WITH_ACTOR, ScopeNames.WITH_ACCOUNT ])
 443       .findOne(query)
 444   }
 445
 446   static loadByNameAndHostAndPopulateAccount (name: string, host: string) {
 447     const query = {
 448       include: [
 449         {
 450           model: ActorModel,
 451           required: true,
 452           where: {
 453             preferredUsername: name
 454           },
 455           include: [
 456             {
 457               model: ServerModel,
 458               required: true,
 459               where: { host }
 460             }
 461           ]
 462         }
 463       ]
 464     }
 465
 466     return VideoChannelModel.unscoped()
 467       .scope([ ScopeNames.WITH_ACTOR, ScopeNames.WITH_ACCOUNT ])
 468       .findOne(query)
 469   }
 470
 471   static loadAndPopulateAccountAndVideos (id: number) {
 472     const options = {
 473       include: [
 474         VideoModel
 475       ]
 476     }
 477
 478     return VideoChannelModel.unscoped()
 479       .scope([ ScopeNames.WITH_ACTOR, ScopeNames.WITH_ACCOUNT, ScopeNames.WITH_VIDEOS ])
 480       .findByPk(id, options)
 481   }
 482
 483   toFormattedJSON (): VideoChannel {
 484     const actor = this.Actor.toFormattedJSON()
 485     const videoChannel = {
 486       id: this.id,
 487       displayName: this.getDisplayName(),
 488       description: this.description,
 489       support: this.support,
 490       isLocal: this.Actor.isOwned(),
 491       createdAt: this.createdAt,
 492       updatedAt: this.updatedAt,
 493       ownerAccount: undefined
 494     }
 495
 496     if (this.Account) videoChannel.ownerAccount = this.Account.toFormattedJSON()
 497
 498     return Object.assign(actor, videoChannel)
 499   }
 500
 501   toFormattedSummaryJSON (): VideoChannelSummary {
 502     const actor = this.Actor.toFormattedJSON()
 503
 504     return {
 505       id: this.id,
 506       uuid: actor.uuid,
 507       name: actor.name,
 508       displayName: this.getDisplayName(),
 509       url: actor.url,
 510       host: actor.host,
 511       avatar: actor.avatar
 512     }
 513   }
 514
 515   toActivityPubObject (): ActivityPubActor {
 516     const obj = this.Actor.toActivityPubObject(this.name, 'VideoChannel')
 517
 518     return Object.assign(obj, {
 519       summary: this.description,
 520       support: this.support,
 521       attributedTo: [
 522         {
 523           type: 'Person' as 'Person',
 524           id: this.Account.Actor.url
 525         }
 526       ]
 527     })
 528   }
 529
 530   getDisplayName () {
 531     return this.name
 532   }
 533
 534   isOutdated () {
 535     return this.Actor.isOutdated()
 536   }
 537 }