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'use strict'
/* global wiki */
const fs = require('fs')
const path = require('path')
const _ = require('lodash')
const Promise = require('bluebird')
/**
* PostgreSQL DB module
*/
module.exports = {
Sequelize: require('sequelize'),
/**
* Initialize DB
*
* @return {Object} DB instance
*/
init() {
let self = this
let dbModelsPath = path.join(wiki.SERVERPATH, 'models')
// Define Sequelize instance
self.inst = new self.Sequelize(wiki.config.db.db, wiki.config.db.user, wiki.config.db.pass, {
host: wiki.config.db.host,
port: wiki.config.db.port,
dialect: 'postgres',
pool: {
max: 10,
min: 0,
idle: 10000
},
logging: false
})
// Attempt to connect and authenticate to DB
self.inst.authenticate().then(() => {
wiki.logger.info('Database (PostgreSQL) connection: OK')
}).catch(err => {
wiki.logger.error('Failed to connect to MongoDB instance.')
return err
})
// Load DB Models
fs
.readdirSync(dbModelsPath)
.filter(function (file) {
return (file.indexOf('.') !== 0 && file.indexOf('_') !== 0)
})
.forEach(function (file) {
let modelName = _.upperFirst(_.camelCase(_.split(file, '.')[0]))
self[modelName] = self.inst.import(path.join(dbModelsPath, file))
})
// Associate DB Models
require(path.join(dbModelsPath, '_relations.js'))(self)
// Set init tasks
let initTasks = {
// -> Sync DB Schemas
syncSchemas() {
return self.inst.sync({
force: false,
logging: false
})
},
// -> Set Connection App Name
setAppName() {
return self.inst.query(`set application_name = 'Wiki.js'`, { raw: true })
}
}
let initTasksQueue = (wiki.IS_MASTER) ? [
initTasks.syncSchemas,
initTasks.setAppName
] : [
initTasks.setAppName
]
// Perform init tasks
self.onReady = Promise.each(initTasksQueue, t => t())
return self
}
}