server/models/video/video-file.ts

   1 import {
   2   AllowNull,
   3   BelongsTo,
   4   Column,
   5   CreatedAt,
   6   DataType,
   7   Default,
   8   ForeignKey,
   9   HasMany,
  10   Is,
  11   Model,
  12   Table,
  13   UpdatedAt
  14 } from 'sequelize-typescript'
  15 import {
  16   isVideoFileExtnameValid,
  17   isVideoFileInfoHashValid,
  18   isVideoFileResolutionValid,
  19   isVideoFileSizeValid,
  20   isVideoFPSResolutionValid
  21 } from '../../helpers/custom-validators/videos'
  22 import { throwIfNotValid } from '../utils'
  23 import { VideoModel } from './video'
  24 import * as Sequelize from 'sequelize'
  25 import { VideoRedundancyModel } from '../redundancy/video-redundancy'
  26
  27 @Table({
  28   tableName: 'videoFile',
  29   indexes: [
  30     {
  31       fields: [ 'videoId' ]
  32     },
  33     {
  34       fields: [ 'infoHash' ]
  35     },
  36     {
  37       fields: [ 'videoId', 'resolution', 'fps' ],
  38       unique: true
  39     }
  40   ]
  41 })
  42 export class VideoFileModel extends Model<VideoFileModel> {
  43   @CreatedAt
  44   createdAt: Date
  45
  46   @UpdatedAt
  47   updatedAt: Date
  48
  49   @AllowNull(false)
  50   @Is('VideoFileResolution', value => throwIfNotValid(value, isVideoFileResolutionValid, 'resolution'))
  51   @Column
  52   resolution: number
  53
  54   @AllowNull(false)
  55   @Is('VideoFileSize', value => throwIfNotValid(value, isVideoFileSizeValid, 'size'))
  56   @Column(DataType.BIGINT)
  57   size: number
  58
  59   @AllowNull(false)
  60   @Is('VideoFileExtname', value => throwIfNotValid(value, isVideoFileExtnameValid, 'extname'))
  61   @Column
  62   extname: string
  63
  64   @AllowNull(false)
  65   @Is('VideoFileInfohash', value => throwIfNotValid(value, isVideoFileInfoHashValid, 'info hash'))
  66   @Column
  67   infoHash: string
  68
  69   @AllowNull(false)
  70   @Default(-1)
  71   @Is('VideoFileFPS', value => throwIfNotValid(value, isVideoFPSResolutionValid, 'fps'))
  72   @Column
  73   fps: number
  74
  75   @ForeignKey(() => VideoModel)
  76   @Column
  77   videoId: number
  78
  79   @BelongsTo(() => VideoModel, {
  80     foreignKey: {
  81       allowNull: false
  82     },
  83     onDelete: 'CASCADE'
  84   })
  85   Video: VideoModel
  86
  87   @HasMany(() => VideoRedundancyModel, {
  88     foreignKey: {
  89       allowNull: true
  90     },
  91     onDelete: 'CASCADE',
  92     hooks: true
  93   })
  94   RedundancyVideos: VideoRedundancyModel[]
  95
  96   static doesInfohashExist (infoHash: string) {
  97     const query = 'SELECT 1 FROM "videoFile" WHERE "infoHash" = $infoHash LIMIT 1'
  98     const options = {
  99       type: Sequelize.QueryTypes.SELECT,
 100       bind: { infoHash },
 101       raw: true
 102     }
 103
 104     return VideoModel.sequelize.query(query, options)
 105               .then(results => {
 106                 return results.length === 1
 107               })
 108   }
 109
 110   static loadWithVideo (id: number) {
 111     const options = {
 112       include: [
 113         {
 114           model: VideoModel.unscoped(),
 115           required: true
 116         }
 117       ]
 118     }
 119
 120     return VideoFileModel.findById(id, options)
 121   }
 122
 123   static async getStats () {
 124     let totalLocalVideoFilesSize = await VideoFileModel.sum('size', {
 125       include: [
 126         {
 127           attributes: [],
 128           model: VideoModel.unscoped(),
 129           where: {
 130             remote: false
 131           }
 132         }
 133       ]
 134     } as any)
 135     // Sequelize could return null...
 136     if (!totalLocalVideoFilesSize) totalLocalVideoFilesSize = 0
 137
 138     return {
 139       totalLocalVideoFilesSize
 140     }
 141   }
 142
 143   hasSameUniqueKeysThan (other: VideoFileModel) {
 144     return this.fps === other.fps &&
 145       this.resolution === other.resolution &&
 146       this.videoId === other.videoId
 147   }
 148 }