You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
wiki/server/modules/db.js

138 lines
2.9 KiB

'use strict'
/* global wiki */
const fs = require('fs')
const path = require('path')
const _ = require('lodash')
const Promise = require('bluebird')
const Sequelize = require('sequelize')
const Op = Sequelize.Op
const operatorsAliases = {
$eq: Op.eq,
$ne: Op.ne,
$gte: Op.gte,
$gt: Op.gt,
$lte: Op.lte,
$lt: Op.lt,
$not: Op.not,
$in: Op.in,
$notIn: Op.notIn,
$is: Op.is,
$like: Op.like,
$notLike: Op.notLike,
$iLike: Op.iLike,
$notILike: Op.notILike,
$regexp: Op.regexp,
$notRegexp: Op.notRegexp,
$iRegexp: Op.iRegexp,
$notIRegexp: Op.notIRegexp,
$between: Op.between,
$notBetween: Op.notBetween,
$overlap: Op.overlap,
$contains: Op.contains,
$contained: Op.contained,
$adjacent: Op.adjacent,
$strictLeft: Op.strictLeft,
$strictRight: Op.strictRight,
$noExtendRight: Op.noExtendRight,
$noExtendLeft: Op.noExtendLeft,
$and: Op.and,
$or: Op.or,
$any: Op.any,
$all: Op.all,
$values: Op.values,
$col: Op.col
}
/**
* PostgreSQL DB module
*/
module.exports = {
Sequelize,
Op: Sequelize.Op,
/**
* 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: log => { wiki.logger.log('verbose', log) },
operatorsAliases
})
// 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 PostgreSQL instance.')
return err
})
// Load DB Models
fs
.readdirSync(dbModelsPath)
.filter(file => {
return (file.indexOf('.') !== 0 && file.indexOf('_') !== 0)
})
.forEach(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: log => { wiki.logger.log('verbose', log) }
})
},
// -> 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(true)
return self
}
}