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       },
 491       include: [
 492         {
 493           attributes: [ 'id', 'url' ],
 494           model: VideoShareModel.unscoped(),
 495           required: false,
 496           where: {
 497             [Sequelize.Op.and]: [
 498               {
 499                 id: {
 500                   [Sequelize.Op.not]: null
 501                 }
 502               },
 503               {
 504                 actorId
 505               }
 506             ]
 507           },
 508           include: [
 509             {
 510               attributes: [ 'id', 'url' ],
 511               model: ActorModel.unscoped()
 512             }
 513           ]
 514         },
 515         {
 516           model: VideoChannelModel.unscoped(),
 517           required: true,
 518           include: [
 519             {
 520               attributes: [ 'name' ],
 521               model: AccountModel.unscoped(),
 522               required: true,
 523               include: [
 524                 {
 525                   attributes: [ 'id', 'url' ],
 526                   model: ActorModel.unscoped(),
 527                   required: true
 528                 }
 529               ]
 530             },
 531             {
 532               attributes: [ 'id', 'url' ],
 533               model: ActorModel.unscoped(),
 534               required: true
 535             }
 536           ]
 537         },
 538         {
 539           attributes: [ 'type' ],
 540           model: AccountVideoRateModel,
 541           required: false,
 542           include: [
 543             {
 544               attributes: [ 'id' ],
 545               model: AccountModel.unscoped(),
 546               include: [
 547                 {
 548                   attributes: [ 'url' ],
 549                   model: ActorModel.unscoped(),
 550                   include: [
 551                     {
 552                       attributes: [ 'host' ],
 553                       model: ServerModel,
 554                       required: false
 555                     }
 556                   ]
 557                 }
 558               ]
 559             }
 560           ]
 561         },
 562         {
 563           attributes: [ 'url' ],
 564           model: VideoCommentModel,
 565           required: false
 566         },
 567         VideoFileModel,
 568         TagModel
 569       ]
 570     }
 571
 572     return Bluebird.all([
 573       // FIXME: typing issue
 574       VideoModel.findAll(query as any),
 575       VideoModel.sequelize.query(rawCountQuery, { type: Sequelize.QueryTypes.SELECT })
 576     ]).then(([ rows, totals ]) => {
 577       // totals: totalVideos + totalVideoShares
 578       let totalVideos = 0
 579       let totalVideoShares = 0
 580       if (totals[0]) totalVideos = parseInt(totals[0].total, 10)
 581       if (totals[1]) totalVideoShares = parseInt(totals[1].total, 10)
 582
 583       const total = totalVideos + totalVideoShares
 584       return {
 585         data: rows,
 586         total: total
 587       }
 588     })
 589   }
 590
 591   static listUserVideosForApi (userId: number, start: number, count: number, sort: string) {
 592     const query = {
 593       offset: start,
 594       limit: count,
 595       order: [ getSort(sort) ],
 596       include: [
 597         {
 598           model: VideoChannelModel,
 599           required: true,
 600           include: [
 601             {
 602               model: AccountModel,
 603               where: {
 604                 userId
 605               },
 606               required: true
 607             }
 608           ]
 609         }
 610       ]
 611     }
 612
 613     return VideoModel.findAndCountAll(query).then(({ rows, count }) => {
 614       return {
 615         data: rows,
 616         total: count
 617       }
 618     })
 619   }
 620
 621   static async listForApi (start: number, count: number, sort: string) {
 622     const query = {
 623       offset: start,
 624       limit: count,
 625       order: [ getSort(sort) ]
 626     }
 627
 628     const serverActor = await getServerActor()
 629
 630     return VideoModel.scope({ method: [ ScopeNames.AVAILABLE_FOR_LIST, serverActor.id ] })
 631       .findAndCountAll(query)
 632       .then(({ rows, count }) => {
 633         return {
 634           data: rows,
 635           total: count
 636         }
 637       })
 638   }
 639
 640   static async searchAndPopulateAccountAndServerAndTags (value: string, start: number, count: number, sort: string) {
 641     const query: IFindOptions<VideoModel> = {
 642       offset: start,
 643       limit: count,
 644       order: [ getSort(sort) ],
 645       where: {
 646         name: {
 647           [Sequelize.Op.iLike]: '%' + value + '%'
 648         }
 649       }
 650     }
 651
 652     const serverActor = await getServerActor()
 653
 654     return VideoModel.scope({ method: [ ScopeNames.AVAILABLE_FOR_LIST, serverActor.id ] })
 655       .findAndCountAll(query).then(({ rows, count }) => {
 656         return {
 657           data: rows,
 658           total: count
 659         }
 660       })
 661   }
 662
 663   static load (id: number) {
 664     return VideoModel.findById(id)
 665   }
 666
 667   static loadByUrlAndPopulateAccount (url: string, t?: Sequelize.Transaction) {
 668     const query: IFindOptions<VideoModel> = {
 669       where: {
 670         url
 671       }
 672     }
 673
 674     if (t !== undefined) query.transaction = t
 675
 676     return VideoModel.scope([ ScopeNames.WITH_ACCOUNT_DETAILS, ScopeNames.WITH_FILES ]).findOne(query)
 677   }
 678
 679   static loadByUUIDOrURLAndPopulateAccount (uuid: string, url: string, t?: Sequelize.Transaction) {
 680     const query: IFindOptions<VideoModel> = {
 681       where: {
 682         [Sequelize.Op.or]: [
 683           { uuid },
 684           { url }
 685         ]
 686       }
 687     }
 688
 689     if (t !== undefined) query.transaction = t
 690
 691     return VideoModel.scope([ ScopeNames.WITH_ACCOUNT_DETAILS, ScopeNames.WITH_FILES ]).findOne(query)
 692   }
 693
 694   static loadAndPopulateAccountAndServerAndTags (id: number) {
 695     const options = {
 696       order: [ [ 'Tags', 'name', 'ASC' ] ]
 697     }
 698
 699     return VideoModel
 700       .scope([ ScopeNames.WITH_TAGS, ScopeNames.WITH_FILES, ScopeNames.WITH_ACCOUNT_DETAILS ])
 701       .findById(id, options)
 702   }
 703
 704   static loadByUUID (uuid: string) {
 705     const options = {
 706       where: {
 707         uuid
 708       }
 709     }
 710
 711     return VideoModel
 712       .scope([ ScopeNames.WITH_FILES ])
 713       .findOne(options)
 714   }
 715
 716   static loadByUUIDAndPopulateAccountAndServerAndTags (uuid: string) {
 717     const options = {
 718       order: [ [ 'Tags', 'name', 'ASC' ] ],
 719       where: {
 720         uuid
 721       }
 722     }
 723
 724     return VideoModel
 725       .scope([ ScopeNames.WITH_TAGS, ScopeNames.WITH_FILES, ScopeNames.WITH_ACCOUNT_DETAILS ])
 726       .findOne(options)
 727   }
 728
 729   static loadAndPopulateAll (id: number) {
 730     const options = {
 731       order: [ [ 'Tags', 'name', 'ASC' ] ],
 732       where: {
 733         id
 734       }
 735     }
 736
 737     return VideoModel
 738       .scope([
 739         ScopeNames.WITH_RATES,
 740         ScopeNames.WITH_SHARES,
 741         ScopeNames.WITH_TAGS,
 742         ScopeNames.WITH_FILES,
 743         ScopeNames.WITH_ACCOUNT_DETAILS,
 744         ScopeNames.WITH_COMMENTS
 745       ])
 746       .findOne(options)
 747   }
 748
 749   getOriginalFile () {
 750     if (Array.isArray(this.VideoFiles) === false) return undefined
 751
 752     // The original file is the file that have the higher resolution
 753     return maxBy(this.VideoFiles, file => file.resolution)
 754   }
 755
 756   getVideoFilename (videoFile: VideoFileModel) {
 757     return this.uuid + '-' + videoFile.resolution + videoFile.extname
 758   }
 759
 760   getThumbnailName () {
 761     // We always have a copy of the thumbnail
 762     const extension = '.jpg'
 763     return this.uuid + extension
 764   }
 765
 766   getPreviewName () {
 767     const extension = '.jpg'
 768     return this.uuid + extension
 769   }
 770
 771   getTorrentFileName (videoFile: VideoFileModel) {
 772     const extension = '.torrent'
 773     return this.uuid + '-' + videoFile.resolution + extension
 774   }
 775
 776   isOwned () {
 777     return this.remote === false
 778   }
 779
 780   createPreview (videoFile: VideoFileModel) {
 781     const imageSize = PREVIEWS_SIZE.width + 'x' + PREVIEWS_SIZE.height
 782
 783     return generateImageFromVideoFile(
 784       this.getVideoFilePath(videoFile),
 785       CONFIG.STORAGE.PREVIEWS_DIR,
 786       this.getPreviewName(),
 787       imageSize
 788     )
 789   }
 790
 791   createThumbnail (videoFile: VideoFileModel) {
 792     const imageSize = THUMBNAILS_SIZE.width + 'x' + THUMBNAILS_SIZE.height
 793
 794     return generateImageFromVideoFile(
 795       this.getVideoFilePath(videoFile),
 796       CONFIG.STORAGE.THUMBNAILS_DIR,
 797       this.getThumbnailName(),
 798       imageSize
 799     )
 800   }
 801
 802   getVideoFilePath (videoFile: VideoFileModel) {
 803     return join(CONFIG.STORAGE.VIDEOS_DIR, this.getVideoFilename(videoFile))
 804   }
 805
 806   createTorrentAndSetInfoHash = async function (videoFile: VideoFileModel) {
 807     const options = {
 808       announceList: [
 809         [ CONFIG.WEBSERVER.WS + '://' + CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT + '/tracker/socket' ],
 810         [ CONFIG.WEBSERVER.URL + '/tracker/announce' ]
 811       ],
 812       urlList: [
 813         CONFIG.WEBSERVER.URL + STATIC_PATHS.WEBSEED + this.getVideoFilename(videoFile)
 814       ]
 815     }
 816
 817     const torrent = await createTorrentPromise(this.getVideoFilePath(videoFile), options)
 818
 819     const filePath = join(CONFIG.STORAGE.TORRENTS_DIR, this.getTorrentFileName(videoFile))
 820     logger.info('Creating torrent %s.', filePath)
 821
 822     await writeFilePromise(filePath, torrent)
 823
 824     const parsedTorrent = parseTorrent(torrent)
 825     videoFile.infoHash = parsedTorrent.infoHash
 826   }
 827
 828   getEmbedPath () {
 829     return '/videos/embed/' + this.uuid
 830   }
 831
 832   getThumbnailPath () {
 833     return join(STATIC_PATHS.THUMBNAILS, this.getThumbnailName())
 834   }
 835
 836   getPreviewPath () {
 837     return join(STATIC_PATHS.PREVIEWS, this.getPreviewName())
 838   }
 839
 840   toFormattedJSON () {
 841     let serverHost
 842
 843     if (this.VideoChannel.Account.Actor.Server) {
 844       serverHost = this.VideoChannel.Account.Actor.Server.host
 845     } else {
 846       // It means it's our video
 847       serverHost = CONFIG.WEBSERVER.HOST
 848     }
 849
 850     return {
 851       id: this.id,
 852       uuid: this.uuid,
 853       name: this.name,
 854       category: this.category,
 855       categoryLabel: this.getCategoryLabel(),
 856       licence: this.licence,
 857       licenceLabel: this.getLicenceLabel(),
 858       language: this.language,
 859       languageLabel: this.getLanguageLabel(),
 860       nsfw: this.nsfw,
 861       description: this.getTruncatedDescription(),
 862       serverHost,
 863       isLocal: this.isOwned(),
 864       accountName: this.VideoChannel.Account.name,
 865       duration: this.duration,
 866       views: this.views,
 867       likes: this.likes,
 868       dislikes: this.dislikes,
 869       thumbnailPath: this.getThumbnailPath(),
 870       previewPath: this.getPreviewPath(),
 871       embedPath: this.getEmbedPath(),
 872       createdAt: this.createdAt,
 873       updatedAt: this.updatedAt
 874     } as Video
 875   }
 876
 877   toFormattedDetailsJSON () {
 878     const formattedJson = this.toFormattedJSON()
 879
 880     // Maybe our server is not up to date and there are new privacy settings since our version
 881     let privacyLabel = VIDEO_PRIVACIES[this.privacy]
 882     if (!privacyLabel) privacyLabel = 'Unknown'
 883
 884     const detailsJson = {
 885       privacyLabel,
 886       privacy: this.privacy,
 887       descriptionPath: this.getDescriptionPath(),
 888       channel: this.VideoChannel.toFormattedJSON(),
 889       account: this.VideoChannel.Account.toFormattedJSON(),
 890       tags: map<TagModel, string>(this.Tags, 'name'),
 891       commentsEnabled: this.commentsEnabled,
 892       files: []
 893     }
 894
 895     // Format and sort video files
 896     const { baseUrlHttp, baseUrlWs } = this.getBaseUrls()
 897     detailsJson.files = this.VideoFiles
 898       .map(videoFile => {
 899         let resolutionLabel = videoFile.resolution + 'p'
 900
 901         return {
 902           resolution: videoFile.resolution,
 903           resolutionLabel,
 904           magnetUri: this.generateMagnetUri(videoFile, baseUrlHttp, baseUrlWs),
 905           size: videoFile.size,
 906           torrentUrl: this.getTorrentUrl(videoFile, baseUrlHttp),
 907           fileUrl: this.getVideoFileUrl(videoFile, baseUrlHttp)
 908         }
 909       })
 910       .sort((a, b) => {
 911         if (a.resolution < b.resolution) return 1
 912         if (a.resolution === b.resolution) return 0
 913         return -1
 914       })
 915
 916     return Object.assign(formattedJson, detailsJson) as VideoDetails
 917   }
 918
 919   toActivityPubObject (): VideoTorrentObject {
 920     const { baseUrlHttp, baseUrlWs } = this.getBaseUrls()
 921     if (!this.Tags) this.Tags = []
 922
 923     const tag = this.Tags.map(t => ({
 924       type: 'Hashtag' as 'Hashtag',
 925       name: t.name
 926     }))
 927
 928     let language
 929     if (this.language) {
 930       language = {
 931         identifier: this.language + '',
 932         name: this.getLanguageLabel()
 933       }
 934     }
 935
 936     let category
 937     if (this.category) {
 938       category = {
 939         identifier: this.category + '',
 940         name: this.getCategoryLabel()
 941       }
 942     }
 943
 944     let licence
 945     if (this.licence) {
 946       licence = {
 947         identifier: this.licence + '',
 948         name: this.getLicenceLabel()
 949       }
 950     }
 951
 952     let likesObject
 953     let dislikesObject
 954
 955     if (Array.isArray(this.AccountVideoRates)) {
 956       const likes: string[] = []
 957       const dislikes: string[] = []
 958
 959       for (const rate of this.AccountVideoRates) {
 960         if (rate.type === 'like') {
 961           likes.push(rate.Account.Actor.url)
 962         } else if (rate.type === 'dislike') {
 963           dislikes.push(rate.Account.Actor.url)
 964         }
 965       }
 966
 967       const res = this.toRatesActivityPubObjects()
 968       likesObject = res.likesObject
 969       dislikesObject = res.dislikesObject
 970     }
 971
 972     let sharesObject
 973     if (Array.isArray(this.VideoShares)) {
 974       sharesObject = this.toAnnouncesActivityPubObject()
 975     }
 976
 977     let commentsObject
 978     if (Array.isArray(this.VideoComments)) {
 979       commentsObject = this.toCommentsActivityPubObject()
 980     }
 981
 982     const url = []
 983     for (const file of this.VideoFiles) {
 984       url.push({
 985         type: 'Link',
 986         mimeType: 'video/' + file.extname.replace('.', ''),
 987         href: this.getVideoFileUrl(file, baseUrlHttp),
 988         width: file.resolution,
 989         size: file.size
 990       })
 991
 992       url.push({
 993         type: 'Link',
 994         mimeType: 'application/x-bittorrent',
 995         href: this.getTorrentUrl(file, baseUrlHttp),
 996         width: file.resolution
 997       })
 998
 999       url.push({
1000         type: 'Link',
1001         mimeType: 'application/x-bittorrent;x-scheme-handler/magnet',
1002         href: this.generateMagnetUri(file, baseUrlHttp, baseUrlWs),
1003         width: file.resolution
1004       })
1005     }
1006
1007     // Add video url too
1008     url.push({
1009       type: 'Link',
1010       mimeType: 'text/html',
1011       href: CONFIG.WEBSERVER.URL + '/videos/watch/' + this.uuid
1012     })
1013
1014     return {
1015       type: 'Video' as 'Video',
1016       id: this.url,
1017       name: this.name,
1018       duration: this.getActivityStreamDuration(),
1019       uuid: this.uuid,
1020       tag,
1021       category,
1022       licence,
1023       language,
1024       views: this.views,
1025       sensitive: this.nsfw,
1026       commentsEnabled: this.commentsEnabled,
1027       published: this.createdAt.toISOString(),
1028       updated: this.updatedAt.toISOString(),
1029       mediaType: 'text/markdown',
1030       content: this.getTruncatedDescription(),
1031       icon: {
1032         type: 'Image',
1033         url: this.getThumbnailUrl(baseUrlHttp),
1034         mediaType: 'image/jpeg',
1035         width: THUMBNAILS_SIZE.width,
1036         height: THUMBNAILS_SIZE.height
1037       },
1038       url,
1039       likes: likesObject,
1040       dislikes: dislikesObject,
1041       shares: sharesObject,
1042       comments: commentsObject,
1043       attributedTo: [
1044         {
1045           type: 'Group',
1046           id: this.VideoChannel.Actor.url
1047         },
1048         {
1049           type: 'Person',
1050           id: this.VideoChannel.Account.Actor.url
1051         }
1052       ]
1053     }
1054   }
1055
1056   toAnnouncesActivityPubObject () {
1057     const shares: string[] = []
1058
1059     for (const videoShare of this.VideoShares) {
1060       shares.push(videoShare.url)
1061     }
1062
1063     return activityPubCollection(getVideoSharesActivityPubUrl(this), shares)
1064   }
1065
1066   toCommentsActivityPubObject () {
1067     const comments: string[] = []
1068
1069     for (const videoComment of this.VideoComments) {
1070       comments.push(videoComment.url)
1071     }
1072
1073     return activityPubCollection(getVideoCommentsActivityPubUrl(this), comments)
1074   }
1075
1076   toRatesActivityPubObjects () {
1077     const likes: string[] = []
1078     const dislikes: string[] = []
1079
1080     for (const rate of this.AccountVideoRates) {
1081       if (rate.type === 'like') {
1082         likes.push(rate.Account.Actor.url)
1083       } else if (rate.type === 'dislike') {
1084         dislikes.push(rate.Account.Actor.url)
1085       }
1086     }
1087
1088     const likesObject = activityPubCollection(getVideoLikesActivityPubUrl(this), likes)
1089     const dislikesObject = activityPubCollection(getVideoDislikesActivityPubUrl(this), dislikes)
1090
1091     return { likesObject, dislikesObject }
1092   }
1093
1094   getTruncatedDescription () {
1095     if (!this.description) return null
1096
1097     const options = {
1098       length: CONSTRAINTS_FIELDS.VIDEOS.TRUNCATED_DESCRIPTION.max
1099     }
1100
1101     return truncate(this.description, options)
1102   }
1103
1104   optimizeOriginalVideofile = async function () {
1105     const videosDirectory = CONFIG.STORAGE.VIDEOS_DIR
1106     const newExtname = '.mp4'
1107     const inputVideoFile = this.getOriginalFile()
1108     const videoInputPath = join(videosDirectory, this.getVideoFilename(inputVideoFile))
1109     const videoOutputPath = join(videosDirectory, this.id + '-transcoded' + newExtname)
1110
1111     const transcodeOptions = {
1112       inputPath: videoInputPath,
1113       outputPath: videoOutputPath
1114     }
1115
1116     try {
1117       // Could be very long!
1118       await transcode(transcodeOptions)
1119
1120       await unlinkPromise(videoInputPath)
1121
1122       // Important to do this before getVideoFilename() to take in account the new file extension
1123       inputVideoFile.set('extname', newExtname)
1124
1125       await renamePromise(videoOutputPath, this.getVideoFilePath(inputVideoFile))
1126       const stats = await statPromise(this.getVideoFilePath(inputVideoFile))
1127
1128       inputVideoFile.set('size', stats.size)
1129
1130       await this.createTorrentAndSetInfoHash(inputVideoFile)
1131       await inputVideoFile.save()
1132
1133     } catch (err) {
1134       // Auto destruction...
1135       this.destroy().catch(err => logger.error('Cannot destruct video after transcoding failure.', err))
1136
1137       throw err
1138     }
1139   }
1140
1141   transcodeOriginalVideofile = async function (resolution: VideoResolution) {
1142     const videosDirectory = CONFIG.STORAGE.VIDEOS_DIR
1143     const extname = '.mp4'
1144
1145     // We are sure it's x264 in mp4 because optimizeOriginalVideofile was already executed
1146     const videoInputPath = join(videosDirectory, this.getVideoFilename(this.getOriginalFile()))
1147
1148     const newVideoFile = new VideoFileModel({
1149       resolution,
1150       extname,
1151       size: 0,
1152       videoId: this.id
1153     })
1154     const videoOutputPath = join(videosDirectory, this.getVideoFilename(newVideoFile))
1155
1156     const transcodeOptions = {
1157       inputPath: videoInputPath,
1158       outputPath: videoOutputPath,
1159       resolution
1160     }
1161
1162     await transcode(transcodeOptions)
1163
1164     const stats = await statPromise(videoOutputPath)
1165
1166     newVideoFile.set('size', stats.size)
1167
1168     await this.createTorrentAndSetInfoHash(newVideoFile)
1169
1170     await newVideoFile.save()
1171
1172     this.VideoFiles.push(newVideoFile)
1173   }
1174
1175   getOriginalFileHeight () {
1176     const originalFilePath = this.getVideoFilePath(this.getOriginalFile())
1177
1178     return getVideoFileHeight(originalFilePath)
1179   }
1180
1181   getDescriptionPath () {
1182     return `/api/${API_VERSION}/videos/${this.uuid}/description`
1183   }
1184
1185   getCategoryLabel () {
1186     let categoryLabel = VIDEO_CATEGORIES[this.category]
1187     if (!categoryLabel) categoryLabel = 'Misc'
1188
1189     return categoryLabel
1190   }
1191
1192   getLicenceLabel () {
1193     let licenceLabel = VIDEO_LICENCES[this.licence]
1194     if (!licenceLabel) licenceLabel = 'Unknown'
1195
1196     return licenceLabel
1197   }
1198
1199   getLanguageLabel () {
1200     let languageLabel = VIDEO_LANGUAGES[this.language]
1201     if (!languageLabel) languageLabel = 'Unknown'
1202
1203     return languageLabel
1204   }
1205
1206   removeThumbnail () {
1207     const thumbnailPath = join(CONFIG.STORAGE.THUMBNAILS_DIR, this.getThumbnailName())
1208     return unlinkPromise(thumbnailPath)
1209   }
1210
1211   removePreview () {
1212     // Same name than video thumbnail
1213     return unlinkPromise(CONFIG.STORAGE.PREVIEWS_DIR + this.getPreviewName())
1214   }
1215
1216   removeFile (videoFile: VideoFileModel) {
1217     const filePath = join(CONFIG.STORAGE.VIDEOS_DIR, this.getVideoFilename(videoFile))
1218     return unlinkPromise(filePath)
1219   }
1220
1221   removeTorrent (videoFile: VideoFileModel) {
1222     const torrentPath = join(CONFIG.STORAGE.TORRENTS_DIR, this.getTorrentFileName(videoFile))
1223     return unlinkPromise(torrentPath)
1224   }
1225
1226   getActivityStreamDuration () {
1227     // https://www.w3.org/TR/activitystreams-vocabulary/#dfn-duration
1228     return 'PT' + this.duration + 'S'
1229   }
1230
1231   private getBaseUrls () {
1232     let baseUrlHttp
1233     let baseUrlWs
1234
1235     if (this.isOwned()) {
1236       baseUrlHttp = CONFIG.WEBSERVER.URL
1237       baseUrlWs = CONFIG.WEBSERVER.WS + '://' + CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT
1238     } else {
1239       baseUrlHttp = REMOTE_SCHEME.HTTP + '://' + this.VideoChannel.Account.Actor.Server.host
1240       baseUrlWs = REMOTE_SCHEME.WS + '://' + this.VideoChannel.Account.Actor.Server.host
1241     }
1242
1243     return { baseUrlHttp, baseUrlWs }
1244   }
1245
1246   private getThumbnailUrl (baseUrlHttp: string) {
1247     return baseUrlHttp + STATIC_PATHS.THUMBNAILS + this.getThumbnailName()
1248   }
1249
1250   private getTorrentUrl (videoFile: VideoFileModel, baseUrlHttp: string) {
1251     return baseUrlHttp + STATIC_PATHS.TORRENTS + this.getTorrentFileName(videoFile)
1252   }
1253
1254   private getVideoFileUrl (videoFile: VideoFileModel, baseUrlHttp: string) {
1255     return baseUrlHttp + STATIC_PATHS.WEBSEED + this.getVideoFilename(videoFile)
1256   }
1257
1258   private generateMagnetUri (videoFile: VideoFileModel, baseUrlHttp: string, baseUrlWs: string) {
1259     const xs = this.getTorrentUrl(videoFile, baseUrlHttp)
1260     const announce = [ baseUrlWs + '/tracker/socket', baseUrlHttp + '/tracker/announce' ]
1261     const urlList = [ this.getVideoFileUrl(videoFile, baseUrlHttp) ]
1262
1263     const magnetHash = {
1264       xs,
1265       announce,
1266       urlList,
1267       infoHash: videoFile.infoHash,
1268       name: this.name
1269     }
1270
1271     return magnetUtil.encode(magnetHash)
1272   }
1273 }