67 lines
1.7 KiB
JavaScript
67 lines
1.7 KiB
JavaScript
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'use strict';
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const fs = require('fs');
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const path = require('path');
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const Sequelize = require('sequelize');
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const basename = path.basename(__filename);
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const db = {};
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// 必要な環境変数の確認
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const requiredEnvVariables = ['DB_HOST', 'DB_PORT', 'DB_USER', 'DB_PASSWORD', 'DB_NAME'];
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requiredEnvVariables.forEach((envVar) => {
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if (!process.env[envVar]) {
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throw new Error(`環境変数 ${envVar} が設定されていません。`);
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}
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});
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// Sequelizeの初期化（環境変数を使用）
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const sequelize = new Sequelize({
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dialect: 'mysql',
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host: process.env.DB_HOST,
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port: process.env.DB_PORT,
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username: process.env.DB_USER,
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password: process.env.DB_PASSWORD,
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database: process.env.DB_NAME,
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logging: false, // SQLログを非表示にする
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timezone: '+09:00' // JST (UTC+9)
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});
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// データベース接続
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sequelize.authenticate()
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.then(() => {
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console.log('データベース接続に成功しました。');
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})
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.catch(err => {
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console.error('データベース接続に失敗しました:', err);
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throw err;
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});
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// モデルの読み込み
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fs
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.readdirSync(__dirname)
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.filter(file => {
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return (
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file.indexOf('.') !== 0 &&
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file !== basename &&
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file.slice(-3) === '.js' &&
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file.indexOf('.test.js') === -1
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);
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})
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.forEach(file => {
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const model = require(path.join(__dirname, file))(sequelize, Sequelize.DataTypes);
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db[model.name] = model;
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});
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// モデルの関連付け
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Object.keys(db).forEach(modelName => {
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if (db[modelName].associate) {
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db[modelName].associate(db);
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}
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});
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// Sequelizeインスタンスのエクスポート
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db.sequelize = sequelize;
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db.Sequelize = Sequelize;
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module.exports = db;
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