server/initializers/database.ts

   1 import { join } from 'path'
   2 import { flattenDepth } from 'lodash'
   3 require('pg').defaults.parseInt8 = true // Avoid BIGINT to be converted to string
   4 import * as Sequelize from 'sequelize'
   5 import * as Bluebird from 'bluebird'
   6
   7 import { CONFIG } from './constants'
   8 // Do not use barrel, we need to load database first
   9 import { logger } from '../helpers/logger'
  10 import { isTestInstance, readdirPromise } from '../helpers/core-utils'
  11
  12 import { VideoModel } from './../models/video/video-interface'
  13 import { VideoTagModel } from './../models/video/video-tag-interface'
  14 import { BlacklistedVideoModel } from './../models/video/video-blacklist-interface'
  15 import { VideoFileModel } from './../models/video/video-file-interface'
  16 import { VideoAbuseModel } from './../models/video/video-abuse-interface'
  17 import { VideoChannelModel } from './../models/video/video-channel-interface'
  18 import { UserModel } from './../models/user/user-interface'
  19 import { UserVideoRateModel } from './../models/user/user-video-rate-interface'
  20 import { TagModel } from './../models/video/tag-interface'
  21 import { RequestModel } from './../models/request/request-interface'
  22 import { RequestVideoQaduModel } from './../models/request/request-video-qadu-interface'
  23 import { RequestVideoEventModel } from './../models/request/request-video-event-interface'
  24 import { RequestToPodModel } from './../models/request/request-to-pod-interface'
  25 import { PodModel } from './../models/pod/pod-interface'
  26 import { OAuthTokenModel } from './../models/oauth/oauth-token-interface'
  27 import { OAuthClientModel } from './../models/oauth/oauth-client-interface'
  28 import { JobModel } from './../models/job/job-interface'
  29 import { AuthorModel } from './../models/video/author-interface'
  30 import { ApplicationModel } from './../models/application/application-interface'
  31
  32 const dbname = CONFIG.DATABASE.DBNAME
  33 const username = CONFIG.DATABASE.USERNAME
  34 const password = CONFIG.DATABASE.PASSWORD
  35
  36 const database: {
  37   sequelize?: Sequelize.Sequelize,
  38   init?: (silent: boolean) => Promise<void>,
  39
  40   Application?: ApplicationModel,
  41   Author?: AuthorModel,
  42   Job?: JobModel,
  43   OAuthClient?: OAuthClientModel,
  44   OAuthToken?: OAuthTokenModel,
  45   Pod?: PodModel,
  46   RequestToPod?: RequestToPodModel,
  47   RequestVideoEvent?: RequestVideoEventModel,
  48   RequestVideoQadu?: RequestVideoQaduModel,
  49   Request?: RequestModel,
  50   Tag?: TagModel,
  51   UserVideoRate?: UserVideoRateModel,
  52   User?: UserModel,
  53   VideoAbuse?: VideoAbuseModel,
  54   VideoChannel?: VideoChannelModel,
  55   VideoFile?: VideoFileModel,
  56   BlacklistedVideo?: BlacklistedVideoModel,
  57   VideoTag?: VideoTagModel,
  58   Video?: VideoModel
  59 } = {}
  60
  61 const sequelize = new Sequelize(dbname, username, password, {
  62   dialect: 'postgres',
  63   host: CONFIG.DATABASE.HOSTNAME,
  64   port: CONFIG.DATABASE.PORT,
  65   benchmark: isTestInstance(),
  66   isolationLevel: Sequelize.Transaction.ISOLATION_LEVELS.SERIALIZABLE,
  67   operatorsAliases: false,
  68
  69   logging: (message: string, benchmark: number) => {
  70     let newMessage = message
  71     if (isTestInstance() === true && benchmark !== undefined) {
  72       newMessage += ' | ' + benchmark + 'ms'
  73     }
  74
  75     logger.debug(newMessage)
  76   }
  77 })
  78
  79 database.sequelize = sequelize
  80
  81 database.init = async (silent: boolean) => {
  82   const modelDirectory = join(__dirname, '..', 'models')
  83
  84   const filePaths = await getModelFiles(modelDirectory)
  85
  86   for (const filePath of filePaths) {
  87     try {
  88       const model = sequelize.import(filePath)
  89
  90       database[model['name']] = model
  91     } catch (err) {
  92       logger.error('Cannot import database model %s.', filePath, err)
  93       process.exit(0)
  94     }
  95   }
  96
  97   for (const modelName of Object.keys(database)) {
  98     if ('associate' in database[modelName]) {
  99       database[modelName].associate(database)
 100     }
 101   }
 102
 103   if (!silent) logger.info('Database %s is ready.', dbname)
 104
 105   return
 106 }
 107
 108 // ---------------------------------------------------------------------------
 109
 110 export {
 111   database
 112 }
 113
 114 // ---------------------------------------------------------------------------
 115
 116 async function getModelFiles (modelDirectory: string) {
 117   const files = await readdirPromise(modelDirectory)
 118   const directories = files.filter(directory => {
 119     // Find directories
 120     if (
 121       directory.endsWith('.js.map') ||
 122       directory === 'index.js' || directory === 'index.ts' ||
 123       directory === 'utils.js' || directory === 'utils.ts'
 124     ) return false
 125
 126     return true
 127   })
 128
 129   const tasks: Bluebird<any>[] = []
 130
 131   // For each directory we read it and append model in the modelFilePaths array
 132   for (const directory of directories) {
 133     const modelDirectoryPath = join(modelDirectory, directory)
 134
 135     const promise = readdirPromise(modelDirectoryPath)
 136       .then(files => {
 137         const filteredFiles = files
 138           .filter(file => {
 139             if (
 140               file === 'index.js' || file === 'index.ts' ||
 141               file === 'utils.js' || file === 'utils.ts' ||
 142               file.endsWith('-interface.js') || file.endsWith('-interface.ts') ||
 143               file.endsWith('.js.map')
 144             ) return false
 145
 146             return true
 147           })
 148           .map(file => join(modelDirectoryPath, file))
 149
 150         return filteredFiles
 151       })
 152
 153     tasks.push(promise)
 154   }
 155
 156   const filteredFilesArray: string[][] = await Promise.all(tasks)
 157   return flattenDepth<string>(filteredFilesArray, 1)
 158 }