n05la3/email.service.ts

## email.service.ts
import { join } from 'path';
import { SendEmailCommand, SESClient } from '@aws-sdk/client-ses';
import { renderFile } from 'ejs';

interface Template {
  name: string;
  data?: Record<string, any>
}

interface EmailOption {
  to: string;
  subject: string;
  from: string;
  template?: Template;
};

export class EmailService {
  private readonly templatePath = join(__dirname, 'templates');
  private readonly client: SESClient;

  constructor() {
    this.client = new SESClient({
      region: 'my-aws-region',
      credentials: {
        accessKeyId: 'my-access-key-id',
        secretAccessKey: 'my-access-key-id',
      },
    });
  }

  async send({
    to
    from,
    subject,
    text,
    template,
  }: EmailOption) {
    const sendEmailCommand = new SendEmailCommand({
      Destination: {
        To: to,
      },
      Message: {
        Body: {
          ...(template && {
            Html: {
              Charset: 'UTF-8',
              Data: this.generateTemplate(template),
            },
          }),
        },
        Subject: {
          Charset: 'UTF-8',
          Data: subject,
        },
      },
      Source: from,
      ReplyToAddresses: [],
    });

    try {
      await this.client.send(sendEmailCommand);
    } catch (error) {
      throw new Error(error);
    }
  }

  async generateTemplate({ name, data }: Template) {
    return renderFile(
      join(this.templatePath, `${name}.ejs`),
      data,
    );
  }
}

## send-email.controller.ts
const emailService = new EmailService();

await emailService.send({
	destination: {
		To: 'john_doe@example.com'
	},
	from: 'noreply@dm.com',
	subject: 'Welcome to Email templating with EJS',
	template: {
		name: 'welcome',
		data: {
			name: 'John Doe'
		}
	}
})

## welcome.ejs
<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width" />
  </head>
  <body>
    Welcome <%= name %>, it's nice to have you on board.
  </body>
</html>
	import { join } from 'path';
	import { SendEmailCommand, SESClient } from '@aws-sdk/client-ses';
	import { renderFile } from 'ejs';

	interface Template {
	name: string;
	data?: Record<string, any>
	}

	interface EmailOption {
	to: string;
	subject: string;
	from: string;
	template?: Template;
	};

	export class EmailService {
	private readonly templatePath = join(__dirname, 'templates');
	private readonly client: SESClient;

	constructor() {
	this.client = new SESClient({
	region: 'my-aws-region',
	credentials: {
	accessKeyId: 'my-access-key-id',
	secretAccessKey: 'my-access-key-id',
	},
	});
	}

	async send({
	to
	from,
	subject,
	text,
	template,
	}: EmailOption) {
	const sendEmailCommand = new SendEmailCommand({
	Destination: {
	To: to,
	},
	Message: {
	Body: {
	...(template && {
	Html: {
	Charset: 'UTF-8',
	Data: this.generateTemplate(template),
	},
	}),
	},
	Subject: {
	Charset: 'UTF-8',
	Data: subject,
	},
	},
	Source: from,
	ReplyToAddresses: [],
	});

	try {
	await this.client.send(sendEmailCommand);
	} catch (error) {
	throw new Error(error);
	}
	}

	async generateTemplate({ name, data }: Template) {
	return renderFile(
	join(this.templatePath, `${name}.ejs`),
	data,
	);
	}
	}
	const emailService = new EmailService();

	await emailService.send({
	destination: {
	To: 'john_doe@example.com'
	},
	from: 'noreply@dm.com',
	subject: 'Welcome to Email templating with EJS',
	template: {
	name: 'welcome',
	data: {
	name: 'John Doe'
	}
	}
	})
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8" />
	<meta name="viewport" content="width=device-width" />
	</head>
	<body>
	Welcome <%= name %>, it's nice to have you on board.
	</body>
	</html>