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
   6 import { CONFIG } from './constants'
   7 // Do not use barrel, we need to load database first
   8 import { logger } from '../helpers/logger'
   9 import { isTestInstance, readdirPromise } from '../helpers/core-utils'
  10
  11 import { VideoModel } from './../models/video/video-interface'
  12 import { VideoTagModel } from './../models/video/video-tag-interface'
  13 import { BlacklistedVideoModel } from './../models/video/video-blacklist-interface'
  14 import { VideoFileModel } from './../models/video/video-file-interface'
  15 import { VideoAbuseModel } from './../models/video/video-abuse-interface'
  16 import { VideoChannelModel } from './../models/video/video-channel-interface'
  17 import { UserModel } from '../models/account/user-interface'
  18 import { AccountVideoRateModel } from '../models/account/account-video-rate-interface'
  19 import { AccountFollowModel } from '../models/account/account-follow-interface'
  20 import { TagModel } from './../models/video/tag-interface'
  21 import { ServerModel } from '../models/server/server-interface'
  22 import { OAuthTokenModel } from './../models/oauth/oauth-token-interface'
  23 import { OAuthClientModel } from './../models/oauth/oauth-client-interface'
  24 import { JobModel } from './../models/job/job-interface'
  25 import { AccountModel } from './../models/account/account-interface'
  26 import { ApplicationModel } from './../models/application/application-interface'
  27 import { VideoChannelShareModel } from '../models/video/video-channel-share-interface'
  28 import { VideoShareModel } from '../models/video/video-share-interface'
  29
  30 const dbname = CONFIG.DATABASE.DBNAME
  31 const username = CONFIG.DATABASE.USERNAME
  32 const password = CONFIG.DATABASE.PASSWORD
  33
  34 const database: {
  35   sequelize?: Sequelize.Sequelize,
  36   init?: (silent: boolean) => Promise<void>,
  37
  38   Application?: ApplicationModel,
  39   Account?: AccountModel,
  40   Job?: JobModel,
  41   OAuthClient?: OAuthClientModel,
  42   OAuthToken?: OAuthTokenModel,
  43   Server?: ServerModel,
  44   Tag?: TagModel,
  45   AccountVideoRate?: AccountVideoRateModel,
  46   AccountFollow?: AccountFollowModel,
  47   User?: UserModel,
  48   VideoAbuse?: VideoAbuseModel,
  49   VideoChannel?: VideoChannelModel,
  50   VideoChannelShare?: VideoChannelShareModel,
  51   VideoShare?: VideoShareModel,
  52   VideoFile?: VideoFileModel,
  53   BlacklistedVideo?: BlacklistedVideoModel,
  54   VideoTag?: VideoTagModel,
  55   Video?: VideoModel
  56 } = {}
  57
  58 const sequelize = new Sequelize(dbname, username, password, {
  59   dialect: 'postgres',
  60   host: CONFIG.DATABASE.HOSTNAME,
  61   port: CONFIG.DATABASE.PORT,
  62   benchmark: isTestInstance(),
  63   isolationLevel: Sequelize.Transaction.ISOLATION_LEVELS.SERIALIZABLE,
  64   operatorsAliases: false,
  65
  66   logging: (message: string, benchmark: number) => {
  67     let newMessage = message
  68     if (isTestInstance() === true && benchmark !== undefined) {
  69       newMessage += ' | ' + benchmark + 'ms'
  70     }
  71
  72     logger.debug(newMessage)
  73   }
  74 })
  75
  76 database.sequelize = sequelize
  77
  78 database.init = async (silent: boolean) => {
  79   const modelDirectory = join(__dirname, '..', 'models')
  80
  81   const filePaths = await getModelFiles(modelDirectory)
  82
  83   for (const filePath of filePaths) {
  84     try {
  85       const model = sequelize.import(filePath)
  86
  87       database[model['name']] = model
  88     } catch (err) {
  89       logger.error('Cannot import database model %s.', filePath, err)
  90       process.exit(0)
  91     }
  92   }
  93
  94   for (const modelName of Object.keys(database)) {
  95     if ('associate' in database[modelName]) {
  96       try {
  97         database[modelName].associate(database)
  98       } catch (err) {
  99         logger.error('Cannot associate model %s.', modelName, err)
 100         process.exit(0)
 101       }
 102     }
 103   }
 104
 105   if (!silent) logger.info('Database %s is ready.', dbname)
 106
 107   return
 108 }
 109
 110 // ---------------------------------------------------------------------------
 111
 112 export {
 113   database
 114 }
 115
 116 // ---------------------------------------------------------------------------
 117
 118 async function getModelFiles (modelDirectory: string) {
 119   const files = await readdirPromise(modelDirectory)
 120   const directories = files.filter(directory => {
 121     // Find directories
 122     if (
 123       directory.endsWith('.js.map') ||
 124       directory === 'index.js' || directory === 'index.ts' ||
 125       directory === 'utils.js' || directory === 'utils.ts'
 126     ) return false
 127
 128     return true
 129   })
 130
 131   const tasks: Promise<any>[] = []
 132
 133   // For each directory we read it and append model in the modelFilePaths array
 134   for (const directory of directories) {
 135     const modelDirectoryPath = join(modelDirectory, directory)
 136
 137     const promise = readdirPromise(modelDirectoryPath)
 138       .then(files => {
 139         const filteredFiles = files
 140           .filter(file => {
 141             if (
 142               file === 'index.js' || file === 'index.ts' ||
 143               file === 'utils.js' || file === 'utils.ts' ||
 144               file.endsWith('-interface.js') || file.endsWith('-interface.ts') ||
 145               file.endsWith('.js.map')
 146             ) return false
 147
 148             return true
 149           })
 150           .map(file => join(modelDirectoryPath, file))
 151
 152         return filteredFiles
 153       })
 154
 155     tasks.push(promise)
 156   }
 157
 158   const filteredFilesArray: string[][] = await Promise.all(tasks)
 159   return flattenDepth<string>(filteredFilesArray, 1)
 160 }