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