create-cf-planetscale-app/src/services/email.service.ts

Create a Cloudflare workers app for building production ready RESTful APIs using Hono

import { SESClient, SendEmailCommand, Message } from '@aws-sdk/client-ses'
import { Config } from '../config/config'

let client: SESClient

export interface EmailData {
  name: string
  token: string
}

const getClient = (awsConfig: Config['aws']): SESClient => {
  client =
    client ||
    new SESClient({
      credentials: {
        accessKeyId: awsConfig.accessKeyId,
        secretAccessKey: awsConfig.secretAccessKey
      },
      region: awsConfig.region
    })
  return client
}

const sendEmail = async (
  to: string,
  sender: string,
  message: Message,
  awsConfig: Config['aws']
): Promise<void> => {
  const sesClient = getClient(awsConfig)
  const command = new SendEmailCommand({
    Destination: { ToAddresses: [to] },
    Source: sender,
    Message: message
  })
  await sesClient.send(command)
}

export const sendResetPasswordEmail = async (
  email: string,
  emailData: EmailData,
  config: Config
): Promise<void> => {
  const message = {
    Subject: {
      Data: 'Reset your password',
      Charset: 'UTF-8'
    },
    Body: {
      Text: {
        Charset: 'UTF-8',
        Data: `
          Hello ${emailData.name}
          Please reset your password by clicking the following link:
          ${emailData.token}
        `
      }
    }
  }
  await sendEmail(email, config.email.sender, message, config.aws)
}

export const sendVerificationEmail = async (
  email: string,
  emailData: EmailData,
  config: Config
): Promise<void> => {
  const message = {
    Subject: {
      Data: 'Verify your email address',
      Charset: 'UTF-8'
    },
    Body: {
      Text: {
        Charset: 'UTF-8',
        Data: `
          Hello ${emailData.name}
          Please verify your email by clicking the following link:
          ${emailData.token}
        `
      }
    }
  }
  await sendEmail(email, config.email.sender, message, config.aws)
}