Mail Provider

mailProvider.ts

import nodemailer, { Transporter } from 'nodemailer'
import fs from 'fs';
import handlebars from 'handlebars';

import { SES } from 'aws-sdk' 
import { SESClient, SendEmailCommand } from '@aws-sdk/client-ses';

import { IMailParams, IMailProvider } from '../protocols/IMailProvider';
import { config } from '@config/config';

export class SESMailProvider implements IMailProvider {
  private client: Transporter;

  constructor() {
    this.client = nodemailer.createTransport({
      SES: new SES({
        apiVersion: "2010-12-01",
        region: config.AWS_REGION,
      })
    })
  }

  async sendMail({ to, subject, variables, path }: IMailParams): Promise<void> {
    const templateFileContent = fs.readFileSync(path).toString('utf-8');

    const templateParse = handlebars.compile(templateFileContent);

    const templateHtml = templateParse(variables);

    await this.client.sendMail({
      to,
      from: "Emanuel Ferreira <contatoferreirads@gmail.com>",
      subject,
      html: templateHtml
    })
  }
}