ses-mail-protector/src/connetions/sqlDB.js

Node.js library for AWS SES email sending with bounce & complaint handling using MongoDB.

require("dotenv/config");
const { Sequelize, DataTypes } = require("sequelize");

// Setup connection
const sqlClient = new Sequelize(
  process.env.SQL_DB_NAME,
  process.env.SQL_DB_USER_NAME,
  process.env.SQL_DB_PASSWORD,
  {
    host: process.env.SQL_DB_HOST, // Change this if using remote DB
    dialect: process.env.SQL_DB_DIALECT, // Can be 'mysql' | 'postgres' | 'sqlite' | 'mariadb' | 'mssql'
  }
);

sqlClient
  .authenticate()
  .then(() => {
    // console.log("✅ Connection has been established successfully.");
  })
  .catch((err) => console.error("❌ Unable to connect to DB:", err));

const Suppression = sqlClient.define(
  "Suppression",
  {
    email: {
      type: DataTypes.STRING,
      primaryKey: true,
      allowNull: false,
      validate: {
        isEmail: true,
      },
    },
    type: {
      type: DataTypes.ENUM(
        "bounce",
        "complaint",
        "unsubscribe",
        "manual",
        "aws-suppressed"
      ),
      allowNull: false,
    },
    details: {
      type: DataTypes.TEXT,
      allowNull: true,
    },
    reason: {
      type: DataTypes.STRING,
      allowNull: true,
    },
    createdAt: {
      type: DataTypes.DATE,
      defaultValue: DataTypes.NOW,
    },
  },
  {
    tableName: "suppressions",
    timestamps: false,
    freezeTableName: true,
    id: false,
  }
);

module.exports = { sqlClient, Suppression };