budibase/packages/worker/src/api/controllers/admin/email.js

const { sendEmail } = require("../../../utilities/email")
const CouchDB = require("../../../db")
const authPkg = require("@budibase/auth")

const GLOBAL_DB = authPkg.StaticDatabases.GLOBAL.name

exports.sendEmail = async ctx => {
  const { workspaceId, email, userId, purpose, contents, from, subject } =
    ctx.request.body
  let user
  if (userId) {
    const db = new CouchDB(GLOBAL_DB)
    user = await db.get(userId)
  }
  const response = await sendEmail(email, purpose, {
    workspaceId,
    user,
    contents,
    from,
    subject,
  })
  ctx.body = {
    ...response,
    message: `Email sent to ${email}.`,
  }
}