server/models/video/video-share.ts

   1 import * as Sequelize from 'sequelize'
   2
   3 import { addMethodsToModel } from '../utils'
   4 import { VideoShareAttributes, VideoShareInstance, VideoShareMethods } from './video-share-interface'
   5
   6 let VideoShare: Sequelize.Model<VideoShareInstance, VideoShareAttributes>
   7 let loadAccountsByShare: VideoShareMethods.LoadAccountsByShare
   8 let load: VideoShareMethods.Load
   9
  10 export default function (sequelize: Sequelize.Sequelize, DataTypes: Sequelize.DataTypes) {
  11   VideoShare = sequelize.define<VideoShareInstance, VideoShareAttributes>('VideoShare',
  12     { },
  13     {
  14       indexes: [
  15         {
  16           fields: [ 'accountId' ]
  17         },
  18         {
  19           fields: [ 'videoId' ]
  20         }
  21       ]
  22     }
  23   )
  24
  25   const classMethods = [
  26     associate,
  27     loadAccountsByShare,
  28     load
  29   ]
  30   addMethodsToModel(VideoShare, classMethods)
  31
  32   return VideoShare
  33 }
  34
  35 // ------------------------------ METHODS ------------------------------
  36
  37 function associate (models) {
  38   VideoShare.belongsTo(models.Account, {
  39     foreignKey: {
  40       name: 'accountId',
  41       allowNull: false
  42     },
  43     onDelete: 'cascade'
  44   })
  45
  46   VideoShare.belongsTo(models.Video, {
  47     foreignKey: {
  48       name: 'videoId',
  49       allowNull: true
  50     },
  51     onDelete: 'cascade'
  52   })
  53 }
  54
  55 load = function (accountId: number, videoId: number, t: Sequelize.Transaction) {
  56   return VideoShare.findOne({
  57     where: {
  58       accountId,
  59       videoId
  60     },
  61     include: [
  62       VideoShare['sequelize'].models.Account
  63     ],
  64     transaction: t
  65   })
  66 }
  67
  68 loadAccountsByShare = function (videoId: number, t: Sequelize.Transaction) {
  69   const query = {
  70     where: {
  71       videoId
  72     },
  73     include: [
  74       {
  75         model: VideoShare['sequelize'].models.Account,
  76         required: true
  77       }
  78     ],
  79     transaction: t
  80   }
  81
  82   return VideoShare.findAll(query)
  83     .then(res => res.map(r => r.Account))
  84 }