server/models/redundancy/video-redundancy.ts

   1 import {
   2   AllowNull,
   3   BeforeDestroy,
   4   BelongsTo,
   5   Column,
   6   CreatedAt,
   7   DataType,
   8   ForeignKey,
   9   Is,
  10   Model,
  11   Scopes,
  12   Table,
  13   UpdatedAt
  14 } from 'sequelize-typescript'
  15 import { ActorModel } from '../activitypub/actor'
  16 import { getVideoSort, throwIfNotValid } from '../utils'
  17 import { isActivityPubUrlValid, isUrlValid } from '../../helpers/custom-validators/activitypub/misc'
  18 import { CONFIG, CONSTRAINTS_FIELDS, VIDEO_EXT_MIMETYPE } from '../../initializers'
  19 import { VideoFileModel } from '../video/video-file'
  20 import { getServerActor } from '../../helpers/utils'
  21 import { VideoModel } from '../video/video'
  22 import { VideoRedundancyStrategy } from '../../../shared/models/redundancy'
  23 import { logger } from '../../helpers/logger'
  24 import { CacheFileObject, VideoPrivacy } from '../../../shared'
  25 import { VideoChannelModel } from '../video/video-channel'
  26 import { ServerModel } from '../server/server'
  27 import { sample } from 'lodash'
  28 import { isTestInstance } from '../../helpers/core-utils'
  29 import * as Bluebird from 'bluebird'
  30 import * as Sequelize from 'sequelize'
  31
  32 export enum ScopeNames {
  33   WITH_VIDEO = 'WITH_VIDEO'
  34 }
  35
  36 @Scopes({
  37   [ ScopeNames.WITH_VIDEO ]: {
  38     include: [
  39       {
  40         model: () => VideoFileModel,
  41         required: true,
  42         include: [
  43           {
  44             model: () => VideoModel,
  45             required: true
  46           }
  47         ]
  48       }
  49     ]
  50   }
  51 })
  52
  53 @Table({
  54   tableName: 'videoRedundancy',
  55   indexes: [
  56     {
  57       fields: [ 'videoFileId' ]
  58     },
  59     {
  60       fields: [ 'actorId' ]
  61     },
  62     {
  63       fields: [ 'url' ],
  64       unique: true
  65     }
  66   ]
  67 })
  68 export class VideoRedundancyModel extends Model<VideoRedundancyModel> {
  69
  70   @CreatedAt
  71   createdAt: Date
  72
  73   @UpdatedAt
  74   updatedAt: Date
  75
  76   @AllowNull(false)
  77   @Column
  78   expiresOn: Date
  79
  80   @AllowNull(false)
  81   @Is('VideoRedundancyFileUrl', value => throwIfNotValid(value, isUrlValid, 'fileUrl'))
  82   @Column(DataType.STRING(CONSTRAINTS_FIELDS.VIDEOS_REDUNDANCY.URL.max))
  83   fileUrl: string
  84
  85   @AllowNull(false)
  86   @Is('VideoRedundancyUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'url'))
  87   @Column(DataType.STRING(CONSTRAINTS_FIELDS.VIDEOS_REDUNDANCY.URL.max))
  88   url: string
  89
  90   @AllowNull(true)
  91   @Column
  92   strategy: string // Only used by us
  93
  94   @ForeignKey(() => VideoFileModel)
  95   @Column
  96   videoFileId: number
  97
  98   @BelongsTo(() => VideoFileModel, {
  99     foreignKey: {
 100       allowNull: false
 101     },
 102     onDelete: 'cascade'
 103   })
 104   VideoFile: VideoFileModel
 105
 106   @ForeignKey(() => ActorModel)
 107   @Column
 108   actorId: number
 109
 110   @BelongsTo(() => ActorModel, {
 111     foreignKey: {
 112       allowNull: false
 113     },
 114     onDelete: 'cascade'
 115   })
 116   Actor: ActorModel
 117
 118   @BeforeDestroy
 119   static async removeFile (instance: VideoRedundancyModel) {
 120     // Not us
 121     if (!instance.strategy) return
 122
 123     const videoFile = await VideoFileModel.loadWithVideo(instance.videoFileId)
 124
 125     const logIdentifier = `${videoFile.Video.uuid}-${videoFile.resolution}`
 126     logger.info('Removing duplicated video file %s.', logIdentifier)
 127
 128     videoFile.Video.removeFile(videoFile)
 129              .catch(err => logger.error('Cannot delete %s files.', logIdentifier, { err }))
 130
 131     return undefined
 132   }
 133
 134   static async loadLocalByFileId (videoFileId: number) {
 135     const actor = await getServerActor()
 136
 137     const query = {
 138       where: {
 139         actorId: actor.id,
 140         videoFileId
 141       }
 142     }
 143
 144     return VideoRedundancyModel.scope(ScopeNames.WITH_VIDEO).findOne(query)
 145   }
 146
 147   static loadByUrl (url: string, transaction?: Sequelize.Transaction) {
 148     const query = {
 149       where: {
 150         url
 151       },
 152       transaction
 153     }
 154
 155     return VideoRedundancyModel.findOne(query)
 156   }
 157
 158   static async isLocalByVideoUUIDExists (uuid: string) {
 159     const actor = await getServerActor()
 160
 161     const query = {
 162       raw: true,
 163       attributes: [ 'id' ],
 164       where: {
 165         actorId: actor.id
 166       },
 167       include: [
 168         {
 169           attributes: [ ],
 170           model: VideoFileModel,
 171           required: true,
 172           include: [
 173             {
 174               attributes: [ ],
 175               model: VideoModel,
 176               required: true,
 177               where: {
 178                 uuid
 179               }
 180             }
 181           ]
 182         }
 183       ]
 184     }
 185
 186     return VideoRedundancyModel.findOne(query)
 187       .then(r => !!r)
 188   }
 189
 190   static async getVideoSample (p: Bluebird<VideoModel[]>) {
 191     const rows = await p
 192     const ids = rows.map(r => r.id)
 193     const id = sample(ids)
 194
 195     return VideoModel.loadWithFile(id, undefined, !isTestInstance())
 196   }
 197
 198   static async findMostViewToDuplicate (randomizedFactor: number) {
 199     // On VideoModel!
 200     const query = {
 201       attributes: [ 'id', 'views' ],
 202       limit: randomizedFactor,
 203       order: getVideoSort('-views'),
 204       where: {
 205         privacy: VideoPrivacy.PUBLIC
 206       },
 207       include: [
 208         await VideoRedundancyModel.buildVideoFileForDuplication(),
 209         VideoRedundancyModel.buildServerRedundancyInclude()
 210       ]
 211     }
 212
 213     return VideoRedundancyModel.getVideoSample(VideoModel.unscoped().findAll(query))
 214   }
 215
 216   static async findTrendingToDuplicate (randomizedFactor: number) {
 217     // On VideoModel!
 218     const query = {
 219       attributes: [ 'id', 'views' ],
 220       subQuery: false,
 221       group: 'VideoModel.id',
 222       limit: randomizedFactor,
 223       order: getVideoSort('-trending'),
 224       where: {
 225         privacy: VideoPrivacy.PUBLIC
 226       },
 227       include: [
 228         await VideoRedundancyModel.buildVideoFileForDuplication(),
 229         VideoRedundancyModel.buildServerRedundancyInclude(),
 230
 231         VideoModel.buildTrendingQuery(CONFIG.TRENDING.VIDEOS.INTERVAL_DAYS)
 232       ]
 233     }
 234
 235     return VideoRedundancyModel.getVideoSample(VideoModel.unscoped().findAll(query))
 236   }
 237
 238   static async findRecentlyAddedToDuplicate (randomizedFactor: number, minViews: number) {
 239     // On VideoModel!
 240     const query = {
 241       attributes: [ 'id', 'publishedAt' ],
 242       limit: randomizedFactor,
 243       order: getVideoSort('-publishedAt'),
 244       where: {
 245         privacy: VideoPrivacy.PUBLIC,
 246         views: {
 247           [ Sequelize.Op.gte ]: minViews
 248         }
 249       },
 250       include: [
 251         await VideoRedundancyModel.buildVideoFileForDuplication(),
 252         VideoRedundancyModel.buildServerRedundancyInclude()
 253       ]
 254     }
 255
 256     return VideoRedundancyModel.getVideoSample(VideoModel.unscoped().findAll(query))
 257   }
 258
 259   static async loadOldestLocalThatAlreadyExpired (strategy: VideoRedundancyStrategy, expiresAfterMs: number) {
 260     const expiredDate = new Date()
 261     expiredDate.setMilliseconds(expiredDate.getMilliseconds() - expiresAfterMs)
 262
 263     const actor = await getServerActor()
 264
 265     const query = {
 266       where: {
 267         actorId: actor.id,
 268         strategy,
 269         createdAt: {
 270           [ Sequelize.Op.lt ]: expiredDate
 271         }
 272       }
 273     }
 274
 275     return VideoRedundancyModel.scope([ ScopeNames.WITH_VIDEO ]).findOne(query)
 276   }
 277
 278   static async getTotalDuplicated (strategy: VideoRedundancyStrategy) {
 279     const actor = await getServerActor()
 280
 281     const options = {
 282       include: [
 283         {
 284           attributes: [],
 285           model: VideoRedundancyModel,
 286           required: true,
 287           where: {
 288             actorId: actor.id,
 289             strategy
 290           }
 291         }
 292       ]
 293     }
 294
 295     return VideoFileModel.sum('size', options as any) // FIXME: typings
 296       .then(v => {
 297         if (!v || isNaN(v)) return 0
 298
 299         return v
 300       })
 301   }
 302
 303   static async listLocalExpired () {
 304     const actor = await getServerActor()
 305
 306     const query = {
 307       where: {
 308         actorId: actor.id,
 309         expiresOn: {
 310           [ Sequelize.Op.lt ]: new Date()
 311         }
 312       }
 313     }
 314
 315     return VideoRedundancyModel.scope([ ScopeNames.WITH_VIDEO ]).findAll(query)
 316   }
 317
 318   static async listRemoteExpired () {
 319     const actor = await getServerActor()
 320
 321     const query = {
 322       where: {
 323         actorId: {
 324           [Sequelize.Op.ne]: actor.id
 325         },
 326         expiresOn: {
 327           [ Sequelize.Op.lt ]: new Date()
 328         }
 329       }
 330     }
 331
 332     return VideoRedundancyModel.scope([ ScopeNames.WITH_VIDEO ]).findAll(query)
 333   }
 334
 335   static async listLocalOfServer (serverId: number) {
 336     const actor = await getServerActor()
 337
 338     const query = {
 339       where: {
 340         actorId: actor.id
 341       },
 342       include: [
 343         {
 344           model: VideoFileModel,
 345           required: true,
 346           include: [
 347             {
 348               model: VideoModel,
 349               required: true,
 350               include: [
 351                 {
 352                   attributes: [],
 353                   model: VideoChannelModel.unscoped(),
 354                   required: true,
 355                   include: [
 356                     {
 357                       attributes: [],
 358                       model: ActorModel.unscoped(),
 359                       required: true,
 360                       where: {
 361                         serverId
 362                       }
 363                     }
 364                   ]
 365                 }
 366               ]
 367             }
 368           ]
 369         }
 370       ]
 371     }
 372
 373     return VideoRedundancyModel.findAll(query)
 374   }
 375
 376   static async getStats (strategy: VideoRedundancyStrategy) {
 377     const actor = await getServerActor()
 378
 379     const query = {
 380       raw: true,
 381       attributes: [
 382         [ Sequelize.fn('COALESCE', Sequelize.fn('SUM', Sequelize.col('VideoFile.size')), '0'), 'totalUsed' ],
 383         [ Sequelize.fn('COUNT', Sequelize.fn('DISTINCT', Sequelize.col('videoId'))), 'totalVideos' ],
 384         [ Sequelize.fn('COUNT', Sequelize.col('videoFileId')), 'totalVideoFiles' ]
 385       ],
 386       where: {
 387         strategy,
 388         actorId: actor.id
 389       },
 390       include: [
 391         {
 392           attributes: [],
 393           model: VideoFileModel,
 394           required: true
 395         }
 396       ]
 397     }
 398
 399     return VideoRedundancyModel.find(query as any) // FIXME: typings
 400       .then((r: any) => ({
 401         totalUsed: parseInt(r.totalUsed.toString(), 10),
 402         totalVideos: r.totalVideos,
 403         totalVideoFiles: r.totalVideoFiles
 404       }))
 405   }
 406
 407   toActivityPubObject (): CacheFileObject {
 408     return {
 409       id: this.url,
 410       type: 'CacheFile' as 'CacheFile',
 411       object: this.VideoFile.Video.url,
 412       expires: this.expiresOn.toISOString(),
 413       url: {
 414         type: 'Link',
 415         mimeType: VIDEO_EXT_MIMETYPE[ this.VideoFile.extname ] as any,
 416         mediaType: VIDEO_EXT_MIMETYPE[ this.VideoFile.extname ] as any,
 417         href: this.fileUrl,
 418         height: this.VideoFile.resolution,
 419         size: this.VideoFile.size,
 420         fps: this.VideoFile.fps
 421       }
 422     }
 423   }
 424
 425   // Don't include video files we already duplicated
 426   private static async buildVideoFileForDuplication () {
 427     const actor = await getServerActor()
 428
 429     const notIn = Sequelize.literal(
 430       '(' +
 431         `SELECT "videoFileId" FROM "videoRedundancy" WHERE "actorId" = ${actor.id}` +
 432       ')'
 433     )
 434
 435     return {
 436       attributes: [],
 437       model: VideoFileModel.unscoped(),
 438       required: true,
 439       where: {
 440         id: {
 441           [ Sequelize.Op.notIn ]: notIn
 442         }
 443       }
 444     }
 445   }
 446
 447   private static buildServerRedundancyInclude () {
 448     return {
 449       attributes: [],
 450       model: VideoChannelModel.unscoped(),
 451       required: true,
 452       include: [
 453         {
 454           attributes: [],
 455           model: ActorModel.unscoped(),
 456           required: true,
 457           include: [
 458             {
 459               attributes: [],
 460               model: ServerModel.unscoped(),
 461               required: true,
 462               where: {
 463                 redundancyAllowed: true
 464               }
 465             }
 466           ]
 467         }
 468       ]
 469     }
 470   }
 471 }