const mongoose = require('mongoose') module.exports = { init: (client) => { const options = { useNewUrlParser: true, useUnifiedTopology: true, autoIndex: false, family: 4 } try { mongoose.connect(client.config.mongoDB, options) mongoose.set('useFindAndModify', false) mongoose.Promise = global.Promise } catch (err) { client.logger.error(`Could not connect to the database:\n ${err.stack}`) } mongoose.connection.on('connected', () => { client.logger.info('Connected to the database.') }) mongoose.connection.on('err', err => { client.logger.error(`Database connection error:\n ${err.stack}`) }) mongoose.connection.on('disconnected', () => { client.logger.info('Disconected from the database.') }) mongoose.connection.on('reconnected', () => { client.logger.info('Reconnected to the database.') }) } }