server/models/video/video.ts

   1 import * as Bluebird from 'bluebird'
   2 import { map, maxBy, truncate } from 'lodash'
   3 import * as magnetUtil from 'magnet-uri'
   4 import * as parseTorrent from 'parse-torrent'
   5 import { join } from 'path'
   6 import * as Sequelize from 'sequelize'
   7 import {
   8   AfterDestroy,
   9   AllowNull,
  10   BeforeDestroy,
  11   BelongsTo,
  12   BelongsToMany,
  13   Column,
  14   CreatedAt,
  15   DataType,
  16   Default,
  17   ForeignKey,
  18   HasMany,
  19   IFindOptions,
  20   Is,
  21   IsInt,
  22   IsUUID,
  23   Min,
  24   Model,
  25   Scopes,
  26   Table,
  27   UpdatedAt
  28 } from 'sequelize-typescript'
  29 import { VideoPrivacy, VideoResolution } from '../../../shared'
  30 import { VideoTorrentObject } from '../../../shared/models/activitypub/objects'
  31 import { Video, VideoDetails } from '../../../shared/models/videos'
  32 import { activityPubCollection } from '../../helpers/activitypub'
  33 import { createTorrentPromise, renamePromise, statPromise, unlinkPromise, writeFilePromise } from '../../helpers/core-utils'
  34 import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub/misc'
  35 import { isBooleanValid } from '../../helpers/custom-validators/misc'
  36 import {
  37   isVideoCategoryValid,
  38   isVideoDescriptionValid,
  39   isVideoDurationValid,
  40   isVideoLanguageValid,
  41   isVideoLicenceValid,
  42   isVideoNameValid,
  43   isVideoPrivacyValid
  44 } from '../../helpers/custom-validators/videos'
  45 import { generateImageFromVideoFile, getVideoFileHeight, transcode } from '../../helpers/ffmpeg-utils'
  46 import { logger } from '../../helpers/logger'
  47 import { getServerActor } from '../../helpers/utils'
  48 import {
  49   API_VERSION,
  50   CONFIG,
  51   CONSTRAINTS_FIELDS,
  52   PREVIEWS_SIZE,
  53   REMOTE_SCHEME,
  54   STATIC_PATHS,
  55   THUMBNAILS_SIZE,
  56   VIDEO_CATEGORIES,
  57   VIDEO_LANGUAGES,
  58   VIDEO_LICENCES,
  59   VIDEO_PRIVACIES
  60 } from '../../initializers'
  61 import {
  62   getVideoCommentsActivityPubUrl,
  63   getVideoDislikesActivityPubUrl,
  64   getVideoLikesActivityPubUrl,
  65   getVideoSharesActivityPubUrl
  66 } from '../../lib/activitypub'
  67 import { sendDeleteVideo } from '../../lib/activitypub/send'
  68 import { AccountModel } from '../account/account'
  69 import { AccountVideoRateModel } from '../account/account-video-rate'
  70 import { ActorModel } from '../activitypub/actor'
  71 import { ServerModel } from '../server/server'
  72 import { getSort, throwIfNotValid } from '../utils'
  73 import { TagModel } from './tag'
  74 import { VideoAbuseModel } from './video-abuse'
  75 import { VideoChannelModel } from './video-channel'
  76 import { VideoCommentModel } from './video-comment'
  77 import { VideoFileModel } from './video-file'
  78 import { VideoShareModel } from './video-share'
  79 import { VideoTagModel } from './video-tag'
  80
  81 enum ScopeNames {
  82   AVAILABLE_FOR_LIST = 'AVAILABLE_FOR_LIST',
  83   WITH_ACCOUNT_DETAILS = 'WITH_ACCOUNT_DETAILS',
  84   WITH_TAGS = 'WITH_TAGS',
  85   WITH_FILES = 'WITH_FILES',
  86   WITH_SHARES = 'WITH_SHARES',
  87   WITH_RATES = 'WITH_RATES',
  88   WITH_COMMENTS = 'WITH_COMMENTS'
  89 }
  90
  91 @Scopes({
  92   [ScopeNames.AVAILABLE_FOR_LIST]: (actorId: number) => ({
  93     where: {
  94       id: {
  95         [Sequelize.Op.notIn]: Sequelize.literal(
  96           '(SELECT "videoBlacklist"."videoId" FROM "videoBlacklist")'
  97         ),
  98         [ Sequelize.Op.in ]: Sequelize.literal(
  99           '(' +
 100             'SELECT "videoShare"."videoId" AS "id" FROM "videoShare" ' +
 101             'INNER JOIN "actorFollow" ON "actorFollow"."targetActorId" = "videoShare"."actorId" ' +
 102             'WHERE "actorFollow"."actorId" = ' + parseInt(actorId.toString(), 10) +
 103             ' UNION ' +
 104             'SELECT "video"."id" AS "id" FROM "video" ' +
 105             'INNER JOIN "videoChannel" ON "videoChannel"."id" = "video"."channelId" ' +
 106             'INNER JOIN "account" ON "account"."id" = "videoChannel"."accountId" ' +
 107             'INNER JOIN "actor" ON "account"."actorId" = "actor"."id" ' +
 108             'LEFT JOIN "actorFollow" ON "actorFollow"."targetActorId" = "actor"."id" ' +
 109             'WHERE "actor"."serverId" IS NULL OR "actorFollow"."actorId" = ' + parseInt(actorId.toString(), 10) +
 110           ')'
 111         )
 112       },
 113       privacy: VideoPrivacy.PUBLIC
 114     },
 115     include: [
 116       {
 117         attributes: [ 'name', 'description' ],
 118         model: VideoChannelModel.unscoped(),
 119         required: true,
 120         include: [
 121           {
 122             attributes: [ 'name' ],
 123             model: AccountModel.unscoped(),
 124             required: true,
 125             include: [
 126               {
 127                 attributes: [ 'serverId' ],
 128                 model: ActorModel.unscoped(),
 129                 required: true,
 130                 include: [
 131                   {
 132                     attributes: [ 'host' ],
 133                     model: ServerModel.unscoped()
 134                   }
 135                 ]
 136               }
 137             ]
 138           }
 139         ]
 140       }
 141     ]
 142   }),
 143   [ScopeNames.WITH_ACCOUNT_DETAILS]: {
 144     include: [
 145       {
 146         model: () => VideoChannelModel.unscoped(),
 147         required: true,
 148         include: [
 149           {
 150             attributes: {
 151               exclude: [ 'privateKey', 'publicKey' ]
 152             },
 153             model: () => ActorModel.unscoped(),
 154             required: true,
 155             include: [
 156               {
 157                 attributes: [ 'host' ],
 158                 model: () => ServerModel.unscoped(),
 159                 required: false
 160               }
 161             ]
 162           },
 163           {
 164             model: () => AccountModel.unscoped(),
 165             required: true,
 166             include: [
 167               {
 168                 model: () => ActorModel.unscoped(),
 169                 attributes: {
 170                   exclude: [ 'privateKey', 'publicKey' ]
 171                 },
 172                 required: true,
 173                 include: [
 174                   {
 175                     attributes: [ 'host' ],
 176                     model: () => ServerModel.unscoped(),
 177                     required: false
 178                   }
 179                 ]
 180               }
 181             ]
 182           }
 183         ]
 184       }
 185     ]
 186   },
 187   [ScopeNames.WITH_TAGS]: {
 188     include: [ () => TagModel ]
 189   },
 190   [ScopeNames.WITH_FILES]: {
 191     include: [
 192       {
 193         model: () => VideoFileModel,
 194         required: true
 195       }
 196     ]
 197   },
 198   [ScopeNames.WITH_SHARES]: {
 199     include: [
 200       {
 201         model: () => VideoShareModel,
 202         include: [ () => ActorModel ]
 203       }
 204     ]
 205   },
 206   [ScopeNames.WITH_RATES]: {
 207     include: [
 208       {
 209         model: () => AccountVideoRateModel,
 210         include: [ () => AccountModel ]
 211       }
 212     ]
 213   },
 214   [ScopeNames.WITH_COMMENTS]: {
 215     include: [
 216       {
 217         model: () => VideoCommentModel
 218       }
 219     ]
 220   }
 221 })
 222 @Table({
 223   tableName: 'video',
 224   indexes: [
 225     {
 226       fields: [ 'name' ]
 227     },
 228     {
 229       fields: [ 'createdAt' ]
 230     },
 231     {
 232       fields: [ 'duration' ]
 233     },
 234     {
 235       fields: [ 'views' ]
 236     },
 237     {
 238       fields: [ 'likes' ]
 239     },
 240     {
 241       fields: [ 'uuid' ]
 242     },
 243     {
 244       fields: [ 'channelId' ]
 245     },
 246     {
 247       fields: [ 'id', 'privacy' ]
 248     },
 249     {
 250       fields: [ 'url'],
 251       unique: true
 252     }
 253   ]
 254 })
 255 export class VideoModel extends Model<VideoModel> {
 256
 257   @AllowNull(false)
 258   @Default(DataType.UUIDV4)
 259   @IsUUID(4)
 260   @Column(DataType.UUID)
 261   uuid: string
 262
 263   @AllowNull(false)
 264   @Is('VideoName', value => throwIfNotValid(value, isVideoNameValid, 'name'))
 265   @Column
 266   name: string
 267
 268   @AllowNull(true)
 269   @Default(null)
 270   @Is('VideoCategory', value => throwIfNotValid(value, isVideoCategoryValid, 'category'))
 271   @Column
 272   category: number
 273
 274   @AllowNull(true)
 275   @Default(null)
 276   @Is('VideoLicence', value => throwIfNotValid(value, isVideoLicenceValid, 'licence'))
 277   @Column
 278   licence: number
 279
 280   @AllowNull(true)
 281   @Default(null)
 282   @Is('VideoLanguage', value => throwIfNotValid(value, isVideoLanguageValid, 'language'))
 283   @Column
 284   language: number
 285
 286   @AllowNull(false)
 287   @Is('VideoPrivacy', value => throwIfNotValid(value, isVideoPrivacyValid, 'privacy'))
 288   @Column
 289   privacy: number
 290
 291   @AllowNull(false)
 292   @Is('VideoNSFW', value => throwIfNotValid(value, isBooleanValid, 'NSFW boolean'))
 293   @Column
 294   nsfw: boolean
 295
 296   @AllowNull(true)
 297   @Default(null)
 298   @Is('VideoDescription', value => throwIfNotValid(value, isVideoDescriptionValid, 'description'))
 299   @Column(DataType.STRING(CONSTRAINTS_FIELDS.VIDEOS.DESCRIPTION.max))
 300   description: string
 301
 302   @AllowNull(false)
 303   @Is('VideoDuration', value => throwIfNotValid(value, isVideoDurationValid, 'duration'))
 304   @Column
 305   duration: number
 306
 307   @AllowNull(false)
 308   @Default(0)
 309   @IsInt
 310   @Min(0)
 311   @Column
 312   views: number
 313
 314   @AllowNull(false)
 315   @Default(0)
 316   @IsInt
 317   @Min(0)
 318   @Column
 319   likes: number
 320
 321   @AllowNull(false)
 322   @Default(0)
 323   @IsInt
 324   @Min(0)
 325   @Column
 326   dislikes: number
 327
 328   @AllowNull(false)
 329   @Column
 330   remote: boolean
 331
 332   @AllowNull(false)
 333   @Is('VideoUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'url'))
 334   @Column(DataType.STRING(CONSTRAINTS_FIELDS.VIDEOS.URL.max))
 335   url: string
 336
 337   @AllowNull(false)
 338   @Column
 339   commentsEnabled: boolean
 340
 341   @CreatedAt
 342   createdAt: Date
 343
 344   @UpdatedAt
 345   updatedAt: Date
 346
 347   @ForeignKey(() => VideoChannelModel)
 348   @Column
 349   channelId: number
 350
 351   @BelongsTo(() => VideoChannelModel, {
 352     foreignKey: {
 353       allowNull: true
 354     },
 355     onDelete: 'cascade'
 356   })
 357   VideoChannel: VideoChannelModel
 358
 359   @BelongsToMany(() => TagModel, {
 360     foreignKey: 'videoId',
 361     through: () => VideoTagModel,
 362     onDelete: 'CASCADE'
 363   })
 364   Tags: TagModel[]
 365
 366   @HasMany(() => VideoAbuseModel, {
 367     foreignKey: {
 368       name: 'videoId',
 369       allowNull: false
 370     },
 371     onDelete: 'cascade'
 372   })
 373   VideoAbuses: VideoAbuseModel[]
 374
 375   @HasMany(() => VideoFileModel, {
 376     foreignKey: {
 377       name: 'videoId',
 378       allowNull: false
 379     },
 380     onDelete: 'cascade'
 381   })
 382   VideoFiles: VideoFileModel[]
 383
 384   @HasMany(() => VideoShareModel, {
 385     foreignKey: {
 386       name: 'videoId',
 387       allowNull: false
 388     },
 389     onDelete: 'cascade'
 390   })
 391   VideoShares: VideoShareModel[]
 392
 393   @HasMany(() => AccountVideoRateModel, {
 394     foreignKey: {
 395       name: 'videoId',
 396       allowNull: false
 397     },
 398     onDelete: 'cascade'
 399   })
 400   AccountVideoRates: AccountVideoRateModel[]
 401
 402   @HasMany(() => VideoCommentModel, {
 403     foreignKey: {
 404       name: 'videoId',
 405       allowNull: false
 406     },
 407     onDelete: 'cascade',
 408     hooks: true
 409   })
 410   VideoComments: VideoCommentModel[]
 411
 412   @BeforeDestroy
 413   static async sendDelete (instance: VideoModel, options) {
 414     if (instance.isOwned()) {
 415       if (!instance.VideoChannel) {
 416         instance.VideoChannel = await instance.$get('VideoChannel', {
 417           include: [
 418             {
 419               model: AccountModel,
 420               include: [ ActorModel ]
 421             }
 422           ],
 423           transaction: options.transaction
 424         }) as VideoChannelModel
 425       }
 426
 427       logger.debug('Sending delete of video %s.', instance.url)
 428
 429       return sendDeleteVideo(instance, options.transaction)
 430     }
 431
 432     return undefined
 433   }
 434
 435   @AfterDestroy
 436   static async removeFilesAndSendDelete (instance: VideoModel) {
 437     const tasks: Promise<any>[] = []
 438
 439     tasks.push(instance.removeThumbnail())
 440
 441     if (instance.isOwned()) {
 442       if (!Array.isArray(instance.VideoFiles)) {
 443         instance.VideoFiles = await instance.$get('VideoFiles') as VideoFileModel[]
 444       }
 445
 446       tasks.push(instance.removePreview())
 447
 448       // Remove physical files and torrents
 449       instance.VideoFiles.forEach(file => {
 450         tasks.push(instance.removeFile(file))
 451         tasks.push(instance.removeTorrent(file))
 452       })
 453     }
 454
 455     return Promise.all(tasks)
 456       .catch(err => {
 457         logger.error('Some errors when removing files of video %s in after destroy hook.', instance.uuid, err)
 458       })
 459   }
 460
 461   static list () {
 462     return VideoModel.scope(ScopeNames.WITH_FILES).findAll()
 463   }
 464
 465   static listAllAndSharedByActorForOutbox (actorId: number, start: number, count: number) {
 466     function getRawQuery (select: string) {
 467       const queryVideo = 'SELECT ' + select + ' FROM "video" AS "Video" ' +
 468         'INNER JOIN "videoChannel" AS "VideoChannel" ON "VideoChannel"."id" = "Video"."channelId" ' +
 469         'INNER JOIN "account" AS "Account" ON "Account"."id" = "VideoChannel"."accountId" ' +
 470         'WHERE "Account"."actorId" = ' + actorId
 471       const queryVideoShare = 'SELECT ' + select + ' FROM "videoShare" AS "VideoShare" ' +
 472         'INNER JOIN "video" AS "Video" ON "Video"."id" = "VideoShare"."videoId" ' +
 473         'WHERE "VideoShare"."actorId" = ' + actorId
 474
 475       return `(${queryVideo}) UNION (${queryVideoShare})`
 476     }
 477
 478     const rawQuery = getRawQuery('"Video"."id"')
 479     const rawCountQuery = getRawQuery('COUNT("Video"."id") as "total"')
 480
 481     const query = {
 482       distinct: true,
 483       offset: start,
 484       limit: count,
 485       order: [ getSort('createdAt'), [ 'Tags', 'name', 'ASC' ] ],
 486       where: {
 487         id: {
 488           [Sequelize.Op.in]: Sequelize.literal('(' + rawQuery + ')')
 489         },
 490         [Sequelize.Op.or]: [
 491           { privacy: VideoPrivacy.PUBLIC },
 492           { privacy: VideoPrivacy.UNLISTED }
 493         ]
 494       },
 495       include: [
 496         {
 497           attributes: [ 'id', 'url' ],
 498           model: VideoShareModel.unscoped(),
 499           required: false,
 500           where: {
 501             [Sequelize.Op.and]: [
 502               {
 503                 id: {
 504                   [Sequelize.Op.not]: null
 505                 }
 506               },
 507               {
 508                 actorId
 509               }
 510             ]
 511           },
 512           include: [
 513             {
 514               attributes: [ 'id', 'url' ],
 515               model: ActorModel.unscoped()
 516             }
 517           ]
 518         },
 519         {
 520           model: VideoChannelModel.unscoped(),
 521           required: true,
 522           include: [
 523             {
 524               attributes: [ 'name' ],
 525               model: AccountModel.unscoped(),
 526               required: true,
 527               include: [
 528                 {
 529                   attributes: [ 'id', 'url' ],
 530                   model: ActorModel.unscoped(),
 531                   required: true
 532                 }
 533               ]
 534             },
 535             {
 536               attributes: [ 'id', 'url' ],
 537               model: ActorModel.unscoped(),
 538               required: true
 539             }
 540           ]
 541         },
 542         {
 543           attributes: [ 'type' ],
 544           model: AccountVideoRateModel,
 545           required: false,
 546           include: [
 547             {
 548               attributes: [ 'id' ],
 549               model: AccountModel.unscoped(),
 550               include: [
 551                 {
 552                   attributes: [ 'url' ],
 553                   model: ActorModel.unscoped(),
 554                   include: [
 555                     {
 556                       attributes: [ 'host' ],
 557                       model: ServerModel,
 558                       required: false
 559                     }
 560                   ]
 561                 }
 562               ]
 563             }
 564           ]
 565         },
 566         {
 567           attributes: [ 'url' ],
 568           model: VideoCommentModel,
 569           required: false
 570         },
 571         VideoFileModel,
 572         TagModel
 573       ]
 574     }
 575
 576     return Bluebird.all([
 577       // FIXME: typing issue
 578       VideoModel.findAll(query as any),
 579       VideoModel.sequelize.query(rawCountQuery, { type: Sequelize.QueryTypes.SELECT })
 580     ]).then(([ rows, totals ]) => {
 581       // totals: totalVideos + totalVideoShares
 582       let totalVideos = 0
 583       let totalVideoShares = 0
 584       if (totals[0]) totalVideos = parseInt(totals[0].total, 10)
 585       if (totals[1]) totalVideoShares = parseInt(totals[1].total, 10)
 586
 587       const total = totalVideos + totalVideoShares
 588       return {
 589         data: rows,
 590         total: total
 591       }
 592     })
 593   }
 594
 595   static listUserVideosForApi (userId: number, start: number, count: number, sort: string) {
 596     const query = {
 597       offset: start,
 598       limit: count,
 599       order: [ getSort(sort) ],
 600       include: [
 601         {
 602           model: VideoChannelModel,
 603           required: true,
 604           include: [
 605             {
 606               model: AccountModel,
 607               where: {
 608                 userId
 609               },
 610               required: true
 611             }
 612           ]
 613         }
 614       ]
 615     }
 616
 617     return VideoModel.findAndCountAll(query).then(({ rows, count }) => {
 618       return {
 619         data: rows,
 620         total: count
 621       }
 622     })
 623   }
 624
 625   static async listForApi (start: number, count: number, sort: string) {
 626     const query = {
 627       offset: start,
 628       limit: count,
 629       order: [ getSort(sort) ]
 630     }
 631
 632     const serverActor = await getServerActor()
 633
 634     return VideoModel.scope({ method: [ ScopeNames.AVAILABLE_FOR_LIST, serverActor.id ] })
 635       .findAndCountAll(query)
 636       .then(({ rows, count }) => {
 637         return {
 638           data: rows,
 639           total: count
 640         }
 641       })
 642   }
 643
 644   static async searchAndPopulateAccountAndServerAndTags (value: string, start: number, count: number, sort: string) {
 645     const query: IFindOptions<VideoModel> = {
 646       offset: start,
 647       limit: count,
 648       order: [ getSort(sort) ],
 649       where: {
 650         name: {
 651           [Sequelize.Op.iLike]: '%' + value + '%'
 652         }
 653       }
 654     }
 655
 656     const serverActor = await getServerActor()
 657
 658     return VideoModel.scope({ method: [ ScopeNames.AVAILABLE_FOR_LIST, serverActor.id ] })
 659       .findAndCountAll(query).then(({ rows, count }) => {
 660         return {
 661           data: rows,
 662           total: count
 663         }
 664       })
 665   }
 666
 667   static load (id: number) {
 668     return VideoModel.findById(id)
 669   }
 670
 671   static loadByUrlAndPopulateAccount (url: string, t?: Sequelize.Transaction) {
 672     const query: IFindOptions<VideoModel> = {
 673       where: {
 674         url
 675       }
 676     }
 677
 678     if (t !== undefined) query.transaction = t
 679
 680     return VideoModel.scope([ ScopeNames.WITH_ACCOUNT_DETAILS, ScopeNames.WITH_FILES ]).findOne(query)
 681   }
 682
 683   static loadByUUIDOrURLAndPopulateAccount (uuid: string, url: string, t?: Sequelize.Transaction) {
 684     const query: IFindOptions<VideoModel> = {
 685       where: {
 686         [Sequelize.Op.or]: [
 687           { uuid },
 688           { url }
 689         ]
 690       }
 691     }
 692
 693     if (t !== undefined) query.transaction = t
 694
 695     return VideoModel.scope([ ScopeNames.WITH_ACCOUNT_DETAILS, ScopeNames.WITH_FILES ]).findOne(query)
 696   }
 697
 698   static loadAndPopulateAccountAndServerAndTags (id: number) {
 699     const options = {
 700       order: [ [ 'Tags', 'name', 'ASC' ] ]
 701     }
 702
 703     return VideoModel
 704       .scope([ ScopeNames.WITH_TAGS, ScopeNames.WITH_FILES, ScopeNames.WITH_ACCOUNT_DETAILS ])
 705       .findById(id, options)
 706   }
 707
 708   static loadByUUID (uuid: string) {
 709     const options = {
 710       where: {
 711         uuid
 712       }
 713     }
 714
 715     return VideoModel
 716       .scope([ ScopeNames.WITH_FILES ])
 717       .findOne(options)
 718   }
 719
 720   static loadByUUIDAndPopulateAccountAndServerAndTags (uuid: string) {
 721     const options = {
 722       order: [ [ 'Tags', 'name', 'ASC' ] ],
 723       where: {
 724         uuid
 725       }
 726     }
 727
 728     return VideoModel
 729       .scope([ ScopeNames.WITH_TAGS, ScopeNames.WITH_FILES, ScopeNames.WITH_ACCOUNT_DETAILS ])
 730       .findOne(options)
 731   }
 732
 733   static loadAndPopulateAll (id: number) {
 734     const options = {
 735       order: [ [ 'Tags', 'name', 'ASC' ] ],
 736       where: {
 737         id
 738       }
 739     }
 740
 741     return VideoModel
 742       .scope([
 743         ScopeNames.WITH_RATES,
 744         ScopeNames.WITH_SHARES,
 745         ScopeNames.WITH_TAGS,
 746         ScopeNames.WITH_FILES,
 747         ScopeNames.WITH_ACCOUNT_DETAILS,
 748         ScopeNames.WITH_COMMENTS
 749       ])
 750       .findOne(options)
 751   }
 752
 753   getOriginalFile () {
 754     if (Array.isArray(this.VideoFiles) === false) return undefined
 755
 756     // The original file is the file that have the higher resolution
 757     return maxBy(this.VideoFiles, file => file.resolution)
 758   }
 759
 760   getVideoFilename (videoFile: VideoFileModel) {
 761     return this.uuid + '-' + videoFile.resolution + videoFile.extname
 762   }
 763
 764   getThumbnailName () {
 765     // We always have a copy of the thumbnail
 766     const extension = '.jpg'
 767     return this.uuid + extension
 768   }
 769
 770   getPreviewName () {
 771     const extension = '.jpg'
 772     return this.uuid + extension
 773   }
 774
 775   getTorrentFileName (videoFile: VideoFileModel) {
 776     const extension = '.torrent'
 777     return this.uuid + '-' + videoFile.resolution + extension
 778   }
 779
 780   isOwned () {
 781     return this.remote === false
 782   }
 783
 784   createPreview (videoFile: VideoFileModel) {
 785     const imageSize = PREVIEWS_SIZE.width + 'x' + PREVIEWS_SIZE.height
 786
 787     return generateImageFromVideoFile(
 788       this.getVideoFilePath(videoFile),
 789       CONFIG.STORAGE.PREVIEWS_DIR,
 790       this.getPreviewName(),
 791       imageSize
 792     )
 793   }
 794
 795   createThumbnail (videoFile: VideoFileModel) {
 796     const imageSize = THUMBNAILS_SIZE.width + 'x' + THUMBNAILS_SIZE.height
 797
 798     return generateImageFromVideoFile(
 799       this.getVideoFilePath(videoFile),
 800       CONFIG.STORAGE.THUMBNAILS_DIR,
 801       this.getThumbnailName(),
 802       imageSize
 803     )
 804   }
 805
 806   getVideoFilePath (videoFile: VideoFileModel) {
 807     return join(CONFIG.STORAGE.VIDEOS_DIR, this.getVideoFilename(videoFile))
 808   }
 809
 810   createTorrentAndSetInfoHash = async function (videoFile: VideoFileModel) {
 811     const options = {
 812       announceList: [
 813         [ CONFIG.WEBSERVER.WS + '://' + CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT + '/tracker/socket' ],
 814         [ CONFIG.WEBSERVER.URL + '/tracker/announce' ]
 815       ],
 816       urlList: [
 817         CONFIG.WEBSERVER.URL + STATIC_PATHS.WEBSEED + this.getVideoFilename(videoFile)
 818       ]
 819     }
 820
 821     const torrent = await createTorrentPromise(this.getVideoFilePath(videoFile), options)
 822
 823     const filePath = join(CONFIG.STORAGE.TORRENTS_DIR, this.getTorrentFileName(videoFile))
 824     logger.info('Creating torrent %s.', filePath)
 825
 826     await writeFilePromise(filePath, torrent)
 827
 828     const parsedTorrent = parseTorrent(torrent)
 829     videoFile.infoHash = parsedTorrent.infoHash
 830   }
 831
 832   getEmbedPath () {
 833     return '/videos/embed/' + this.uuid
 834   }
 835
 836   getThumbnailPath () {
 837     return join(STATIC_PATHS.THUMBNAILS, this.getThumbnailName())
 838   }
 839
 840   getPreviewPath () {
 841     return join(STATIC_PATHS.PREVIEWS, this.getPreviewName())
 842   }
 843
 844   toFormattedJSON () {
 845     let serverHost
 846
 847     if (this.VideoChannel.Account.Actor.Server) {
 848       serverHost = this.VideoChannel.Account.Actor.Server.host
 849     } else {
 850       // It means it's our video
 851       serverHost = CONFIG.WEBSERVER.HOST
 852     }
 853
 854     return {
 855       id: this.id,
 856       uuid: this.uuid,
 857       name: this.name,
 858       category: this.category,
 859       categoryLabel: this.getCategoryLabel(),
 860       licence: this.licence,
 861       licenceLabel: this.getLicenceLabel(),
 862       language: this.language,
 863       languageLabel: this.getLanguageLabel(),
 864       nsfw: this.nsfw,
 865       description: this.getTruncatedDescription(),
 866       serverHost,
 867       isLocal: this.isOwned(),
 868       accountName: this.VideoChannel.Account.name,
 869       duration: this.duration,
 870       views: this.views,
 871       likes: this.likes,
 872       dislikes: this.dislikes,
 873       thumbnailPath: this.getThumbnailPath(),
 874       previewPath: this.getPreviewPath(),
 875       embedPath: this.getEmbedPath(),
 876       createdAt: this.createdAt,
 877       updatedAt: this.updatedAt
 878     } as Video
 879   }
 880
 881   toFormattedDetailsJSON () {
 882     const formattedJson = this.toFormattedJSON()
 883
 884     // Maybe our server is not up to date and there are new privacy settings since our version
 885     let privacyLabel = VIDEO_PRIVACIES[this.privacy]
 886     if (!privacyLabel) privacyLabel = 'Unknown'
 887
 888     const detailsJson = {
 889       privacyLabel,
 890       privacy: this.privacy,
 891       descriptionPath: this.getDescriptionPath(),
 892       channel: this.VideoChannel.toFormattedJSON(),
 893       account: this.VideoChannel.Account.toFormattedJSON(),
 894       tags: map<TagModel, string>(this.Tags, 'name'),
 895       commentsEnabled: this.commentsEnabled,
 896       files: []
 897     }
 898
 899     // Format and sort video files
 900     const { baseUrlHttp, baseUrlWs } = this.getBaseUrls()
 901     detailsJson.files = this.VideoFiles
 902       .map(videoFile => {
 903         let resolutionLabel = videoFile.resolution + 'p'
 904
 905         return {
 906           resolution: videoFile.resolution,
 907           resolutionLabel,
 908           magnetUri: this.generateMagnetUri(videoFile, baseUrlHttp, baseUrlWs),
 909           size: videoFile.size,
 910           torrentUrl: this.getTorrentUrl(videoFile, baseUrlHttp),
 911           fileUrl: this.getVideoFileUrl(videoFile, baseUrlHttp)
 912         }
 913       })
 914       .sort((a, b) => {
 915         if (a.resolution < b.resolution) return 1
 916         if (a.resolution === b.resolution) return 0
 917         return -1
 918       })
 919
 920     return Object.assign(formattedJson, detailsJson) as VideoDetails
 921   }
 922
 923   toActivityPubObject (): VideoTorrentObject {
 924     const { baseUrlHttp, baseUrlWs } = this.getBaseUrls()
 925     if (!this.Tags) this.Tags = []
 926
 927     const tag = this.Tags.map(t => ({
 928       type: 'Hashtag' as 'Hashtag',
 929       name: t.name
 930     }))
 931
 932     let language
 933     if (this.language) {
 934       language = {
 935         identifier: this.language + '',
 936         name: this.getLanguageLabel()
 937       }
 938     }
 939
 940     let category
 941     if (this.category) {
 942       category = {
 943         identifier: this.category + '',
 944         name: this.getCategoryLabel()
 945       }
 946     }
 947
 948     let licence
 949     if (this.licence) {
 950       licence = {
 951         identifier: this.licence + '',
 952         name: this.getLicenceLabel()
 953       }
 954     }
 955
 956     let likesObject
 957     let dislikesObject
 958
 959     if (Array.isArray(this.AccountVideoRates)) {
 960       const likes: string[] = []
 961       const dislikes: string[] = []
 962
 963       for (const rate of this.AccountVideoRates) {
 964         if (rate.type === 'like') {
 965           likes.push(rate.Account.Actor.url)
 966         } else if (rate.type === 'dislike') {
 967           dislikes.push(rate.Account.Actor.url)
 968         }
 969       }
 970
 971       const res = this.toRatesActivityPubObjects()
 972       likesObject = res.likesObject
 973       dislikesObject = res.dislikesObject
 974     }
 975
 976     let sharesObject
 977     if (Array.isArray(this.VideoShares)) {
 978       sharesObject = this.toAnnouncesActivityPubObject()
 979     }
 980
 981     let commentsObject
 982     if (Array.isArray(this.VideoComments)) {
 983       commentsObject = this.toCommentsActivityPubObject()
 984     }
 985
 986     const url = []
 987     for (const file of this.VideoFiles) {
 988       url.push({
 989         type: 'Link',
 990         mimeType: 'video/' + file.extname.replace('.', ''),
 991         href: this.getVideoFileUrl(file, baseUrlHttp),
 992         width: file.resolution,
 993         size: file.size
 994       })
 995
 996       url.push({
 997         type: 'Link',
 998         mimeType: 'application/x-bittorrent',
 999         href: this.getTorrentUrl(file, baseUrlHttp),
1000         width: file.resolution
1001       })
1002
1003       url.push({
1004         type: 'Link',
1005         mimeType: 'application/x-bittorrent;x-scheme-handler/magnet',
1006         href: this.generateMagnetUri(file, baseUrlHttp, baseUrlWs),
1007         width: file.resolution
1008       })
1009     }
1010
1011     // Add video url too
1012     url.push({
1013       type: 'Link',
1014       mimeType: 'text/html',
1015       href: CONFIG.WEBSERVER.URL + '/videos/watch/' + this.uuid
1016     })
1017
1018     return {
1019       type: 'Video' as 'Video',
1020       id: this.url,
1021       name: this.name,
1022       duration: this.getActivityStreamDuration(),
1023       uuid: this.uuid,
1024       tag,
1025       category,
1026       licence,
1027       language,
1028       views: this.views,
1029       sensitive: this.nsfw,
1030       commentsEnabled: this.commentsEnabled,
1031       published: this.createdAt.toISOString(),
1032       updated: this.updatedAt.toISOString(),
1033       mediaType: 'text/markdown',
1034       content: this.getTruncatedDescription(),
1035       icon: {
1036         type: 'Image',
1037         url: this.getThumbnailUrl(baseUrlHttp),
1038         mediaType: 'image/jpeg',
1039         width: THUMBNAILS_SIZE.width,
1040         height: THUMBNAILS_SIZE.height
1041       },
1042       url,
1043       likes: likesObject,
1044       dislikes: dislikesObject,
1045       shares: sharesObject,
1046       comments: commentsObject,
1047       attributedTo: [
1048         {
1049           type: 'Group',
1050           id: this.VideoChannel.Actor.url
1051         },
1052         {
1053           type: 'Person',
1054           id: this.VideoChannel.Account.Actor.url
1055         }
1056       ]
1057     }
1058   }
1059
1060   toAnnouncesActivityPubObject () {
1061     const shares: string[] = []
1062
1063     for (const videoShare of this.VideoShares) {
1064       shares.push(videoShare.url)
1065     }
1066
1067     return activityPubCollection(getVideoSharesActivityPubUrl(this), shares)
1068   }
1069
1070   toCommentsActivityPubObject () {
1071     const comments: string[] = []
1072
1073     for (const videoComment of this.VideoComments) {
1074       comments.push(videoComment.url)
1075     }
1076
1077     return activityPubCollection(getVideoCommentsActivityPubUrl(this), comments)
1078   }
1079
1080   toRatesActivityPubObjects () {
1081     const likes: string[] = []
1082     const dislikes: string[] = []
1083
1084     for (const rate of this.AccountVideoRates) {
1085       if (rate.type === 'like') {
1086         likes.push(rate.Account.Actor.url)
1087       } else if (rate.type === 'dislike') {
1088         dislikes.push(rate.Account.Actor.url)
1089       }
1090     }
1091
1092     const likesObject = activityPubCollection(getVideoLikesActivityPubUrl(this), likes)
1093     const dislikesObject = activityPubCollection(getVideoDislikesActivityPubUrl(this), dislikes)
1094
1095     return { likesObject, dislikesObject }
1096   }
1097
1098   getTruncatedDescription () {
1099     if (!this.description) return null
1100
1101     const options = {
1102       length: CONSTRAINTS_FIELDS.VIDEOS.TRUNCATED_DESCRIPTION.max
1103     }
1104
1105     return truncate(this.description, options)
1106   }
1107
1108   optimizeOriginalVideofile = async function () {
1109     const videosDirectory = CONFIG.STORAGE.VIDEOS_DIR
1110     const newExtname = '.mp4'
1111     const inputVideoFile = this.getOriginalFile()
1112     const videoInputPath = join(videosDirectory, this.getVideoFilename(inputVideoFile))
1113     const videoOutputPath = join(videosDirectory, this.id + '-transcoded' + newExtname)
1114
1115     const transcodeOptions = {
1116       inputPath: videoInputPath,
1117       outputPath: videoOutputPath
1118     }
1119
1120     try {
1121       // Could be very long!
1122       await transcode(transcodeOptions)
1123
1124       await unlinkPromise(videoInputPath)
1125
1126       // Important to do this before getVideoFilename() to take in account the new file extension
1127       inputVideoFile.set('extname', newExtname)
1128
1129       await renamePromise(videoOutputPath, this.getVideoFilePath(inputVideoFile))
1130       const stats = await statPromise(this.getVideoFilePath(inputVideoFile))
1131
1132       inputVideoFile.set('size', stats.size)
1133
1134       await this.createTorrentAndSetInfoHash(inputVideoFile)
1135       await inputVideoFile.save()
1136
1137     } catch (err) {
1138       // Auto destruction...
1139       this.destroy().catch(err => logger.error('Cannot destruct video after transcoding failure.', err))
1140
1141       throw err
1142     }
1143   }
1144
1145   transcodeOriginalVideofile = async function (resolution: VideoResolution) {
1146     const videosDirectory = CONFIG.STORAGE.VIDEOS_DIR
1147     const extname = '.mp4'
1148
1149     // We are sure it's x264 in mp4 because optimizeOriginalVideofile was already executed
1150     const videoInputPath = join(videosDirectory, this.getVideoFilename(this.getOriginalFile()))
1151
1152     const newVideoFile = new VideoFileModel({
1153       resolution,
1154       extname,
1155       size: 0,
1156       videoId: this.id
1157     })
1158     const videoOutputPath = join(videosDirectory, this.getVideoFilename(newVideoFile))
1159
1160     const transcodeOptions = {
1161       inputPath: videoInputPath,
1162       outputPath: videoOutputPath,
1163       resolution
1164     }
1165
1166     await transcode(transcodeOptions)
1167
1168     const stats = await statPromise(videoOutputPath)
1169
1170     newVideoFile.set('size', stats.size)
1171
1172     await this.createTorrentAndSetInfoHash(newVideoFile)
1173
1174     await newVideoFile.save()
1175
1176     this.VideoFiles.push(newVideoFile)
1177   }
1178
1179   getOriginalFileHeight () {
1180     const originalFilePath = this.getVideoFilePath(this.getOriginalFile())
1181
1182     return getVideoFileHeight(originalFilePath)
1183   }
1184
1185   getDescriptionPath () {
1186     return `/api/${API_VERSION}/videos/${this.uuid}/description`
1187   }
1188
1189   getCategoryLabel () {
1190     let categoryLabel = VIDEO_CATEGORIES[this.category]
1191     if (!categoryLabel) categoryLabel = 'Misc'
1192
1193     return categoryLabel
1194   }
1195
1196   getLicenceLabel () {
1197     let licenceLabel = VIDEO_LICENCES[this.licence]
1198     if (!licenceLabel) licenceLabel = 'Unknown'
1199
1200     return licenceLabel
1201   }
1202
1203   getLanguageLabel () {
1204     let languageLabel = VIDEO_LANGUAGES[this.language]
1205     if (!languageLabel) languageLabel = 'Unknown'
1206
1207     return languageLabel
1208   }
1209
1210   removeThumbnail () {
1211     const thumbnailPath = join(CONFIG.STORAGE.THUMBNAILS_DIR, this.getThumbnailName())
1212     return unlinkPromise(thumbnailPath)
1213   }
1214
1215   removePreview () {
1216     // Same name than video thumbnail
1217     return unlinkPromise(CONFIG.STORAGE.PREVIEWS_DIR + this.getPreviewName())
1218   }
1219
1220   removeFile (videoFile: VideoFileModel) {
1221     const filePath = join(CONFIG.STORAGE.VIDEOS_DIR, this.getVideoFilename(videoFile))
1222     return unlinkPromise(filePath)
1223   }
1224
1225   removeTorrent (videoFile: VideoFileModel) {
1226     const torrentPath = join(CONFIG.STORAGE.TORRENTS_DIR, this.getTorrentFileName(videoFile))
1227     return unlinkPromise(torrentPath)
1228   }
1229
1230   getActivityStreamDuration () {
1231     // https://www.w3.org/TR/activitystreams-vocabulary/#dfn-duration
1232     return 'PT' + this.duration + 'S'
1233   }
1234
1235   private getBaseUrls () {
1236     let baseUrlHttp
1237     let baseUrlWs
1238
1239     if (this.isOwned()) {
1240       baseUrlHttp = CONFIG.WEBSERVER.URL
1241       baseUrlWs = CONFIG.WEBSERVER.WS + '://' + CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT
1242     } else {
1243       baseUrlHttp = REMOTE_SCHEME.HTTP + '://' + this.VideoChannel.Account.Actor.Server.host
1244       baseUrlWs = REMOTE_SCHEME.WS + '://' + this.VideoChannel.Account.Actor.Server.host
1245     }
1246
1247     return { baseUrlHttp, baseUrlWs }
1248   }
1249
1250   private getThumbnailUrl (baseUrlHttp: string) {
1251     return baseUrlHttp + STATIC_PATHS.THUMBNAILS + this.getThumbnailName()
1252   }
1253
1254   private getTorrentUrl (videoFile: VideoFileModel, baseUrlHttp: string) {
1255     return baseUrlHttp + STATIC_PATHS.TORRENTS + this.getTorrentFileName(videoFile)
1256   }
1257
1258   private getVideoFileUrl (videoFile: VideoFileModel, baseUrlHttp: string) {
1259     return baseUrlHttp + STATIC_PATHS.WEBSEED + this.getVideoFilename(videoFile)
1260   }
1261
1262   private generateMagnetUri (videoFile: VideoFileModel, baseUrlHttp: string, baseUrlWs: string) {
1263     const xs = this.getTorrentUrl(videoFile, baseUrlHttp)
1264     const announce = [ baseUrlWs + '/tracker/socket', baseUrlHttp + '/tracker/announce' ]
1265     const urlList = [ this.getVideoFileUrl(videoFile, baseUrlHttp) ]
1266
1267     const magnetHash = {
1268       xs,
1269       announce,
1270       urlList,
1271       infoHash: videoFile.infoHash,
1272       name: this.name
1273     }
1274
1275     return magnetUtil.encode(magnetHash)
1276   }
1277 }