Use sequelize

models/guild.js

@@ -0,0 +1,25 @@
+'use strict';
+const {
+  Model
+} = require('sequelize');
+module.exports = (sequelize, DataTypes) => {
+  class Guild extends Model {
+    /**
+     * Helper method for defining associations.
+     * This method is not a part of Sequelize lifecycle.
+     * The `models/index` file will call this method automatically.
+     */
+    static associate(models) {
+      // define association here
+    }
+  }
+  Guild.init({
+    gid: DataTypes.STRING,
+    adminRole: DataTypes.STRING,
+    owderId: DataTypes.STRING
+  }, {
+    sequelize,
+    modelName: 'Guild',
+  });
+  return Guild;
+};

models/index.js

@@ -0,0 +1,36 @@
+'use strict';
+
+require('dotenv').config();
+const fs = require('fs');
+const path = require('path');
+const Sequelize = require('sequelize');
+const basename = path.basename(__filename);
+const env = process.env.NODE_ENV || 'development';
+const db = {};
+
+let sequelize = new Sequelize(process.env.DB_DATABASE, process.env.DB_USERNAME, process.env.DB_PASSWORD, {
+  dialect: 'mysql',
+  host: process.env.DB_HOST,
+  port: 3306
+});
+
+fs
+  .readdirSync(__dirname)
+  .filter(file => {
+    return (file.indexOf('.') !== 0) && (file !== basename) && (file.slice(-3) === '.js');
+  })
+  .forEach(file => {
+    const model = require(path.join(__dirname, file))(sequelize, Sequelize.DataTypes);
+    db[model.name] = model;
+  });
+
+Object.keys(db).forEach(modelName => {
+  if (db[modelName].associate) {
+    db[modelName].associate(db);
+  }
+});
+
+db.sequelize = sequelize;
+db.Sequelize = Sequelize;
+
+module.exports = db;