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133 lines
3.2 KiB
133 lines
3.2 KiB
const _ = require('lodash')
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const fs = require('fs')
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const path = require('path')
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const Promise = require('bluebird')
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const Sequelize = require('sequelize')
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/* global WIKI */
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const operatorsAliases = {
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$eq: Sequelize.Op.eq,
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$ne: Sequelize.Op.ne,
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$gte: Sequelize.Op.gte,
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$gt: Sequelize.Op.gt,
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$lte: Sequelize.Op.lte,
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$lt: Sequelize.Op.lt,
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$not: Sequelize.Op.not,
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$in: Sequelize.Op.in,
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$notIn: Sequelize.Op.notIn,
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$is: Sequelize.Op.is,
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$like: Sequelize.Op.like,
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$notLike: Sequelize.Op.notLike,
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$iLike: Sequelize.Op.iLike,
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$notILike: Sequelize.Op.notILike,
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$regexp: Sequelize.Op.regexp,
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$notRegexp: Sequelize.Op.notRegexp,
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$iRegexp: Sequelize.Op.iRegexp,
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$notIRegexp: Sequelize.Op.notIRegexp,
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$between: Sequelize.Op.between,
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$notBetween: Sequelize.Op.notBetween,
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$overlap: Sequelize.Op.overlap,
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$contains: Sequelize.Op.contains,
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$contained: Sequelize.Op.contained,
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$adjacent: Sequelize.Op.adjacent,
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$strictLeft: Sequelize.Op.strictLeft,
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$strictRight: Sequelize.Op.strictRight,
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$noExtendRight: Sequelize.Op.noExtendRight,
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$noExtendLeft: Sequelize.Op.noExtendLeft,
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$and: Sequelize.Op.and,
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$or: Sequelize.Op.or,
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$any: Sequelize.Op.any,
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$all: Sequelize.Op.all,
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$values: Sequelize.Op.values,
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$col: Sequelize.Op.col
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}
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/**
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* PostgreSQL DB module
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*/
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module.exports = {
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Sequelize,
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Op: Sequelize.Op,
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/**
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* Initialize DB
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*
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* @return {Object} DB instance
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*/
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init() {
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let self = this
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let dbModelsPath = path.join(WIKI.SERVERPATH, 'models')
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// Define Sequelize instance
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this.inst = new this.Sequelize(WIKI.config.db.db, WIKI.config.db.user, WIKI.config.db.pass, {
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host: WIKI.config.db.host,
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port: WIKI.config.db.port,
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dialect: 'postgres',
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pool: {
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max: 10,
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min: 0,
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idle: 10000
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},
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logging: log => { WIKI.logger.log('debug', log) },
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operatorsAliases
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})
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// Attempt to connect and authenticate to DB
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this.inst.authenticate().then(() => {
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WIKI.logger.info('Database (PostgreSQL) connection: [ OK ]')
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}).catch(err => {
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WIKI.logger.error('Failed to connect to PostgreSQL instance.')
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WIKI.logger.error(err)
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process.exit(1)
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})
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// Load DB Models
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fs
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.readdirSync(dbModelsPath)
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.filter(file => {
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return (file.indexOf('.') !== 0 && file.indexOf('_') !== 0)
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})
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.forEach(file => {
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let modelName = _.upperFirst(_.camelCase(_.split(file, '.')[0]))
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self[modelName] = self.inst.import(path.join(dbModelsPath, file))
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})
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// Associate DB Models
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require(path.join(dbModelsPath, '_relations.js'))(self)
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// Set init tasks
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let initTasks = {
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// -> Sync DB Schemas
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syncSchemas() {
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return self.inst.sync({
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force: false,
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logging: log => { WIKI.logger.log('debug', log) }
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})
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},
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// -> Set Connection App Name
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setAppName() {
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return self.inst.query(`set application_name = 'WIKI.js'`, { raw: true })
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}
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}
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let initTasksQueue = (WIKI.IS_MASTER) ? [
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initTasks.syncSchemas,
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initTasks.setAppName
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] : [
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initTasks.setAppName
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]
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// Perform init tasks
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this.onReady = Promise.each(initTasksQueue, t => t()).return(true)
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return this
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}
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}
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