putting together the bulk of the email sending/config options.

packages/worker/package.json

@@ -36,6 +36,7 @@
     "koa-session": "^5.12.0",
     "koa-static": "^5.0.0",
     "node-fetch": "^2.6.1",
+    "nodemailer": "^6.5.0",
     "passport-google-oauth": "^2.0.0",
     "passport-jwt": "^4.0.0",
     "passport-local": "^1.0.0",

packages/worker/src/utilities/email.js → packages/worker/src/api/controllers/admin/email.js

@@ -1,8 +1,12 @@
-const { EmailTemplatePurpose, TemplateTypes } = require("../constants")
-const { getTemplateByPurpose } = require("../constants/templates")
+const CouchDB = require("../../../db")
+const { StaticDatabases, determineScopedConfig } = require("@budibase/auth").db
+const { EmailTemplatePurpose, TemplateTypes, Configs } = require("../../../constants")
+const { getTemplateByPurpose } = require("../../../constants/templates")
+const { getSettingsTemplateContext } = require("../../../utilities/templates")
 const { processString } = require("@budibase/string-templates")
-const { getSettingsTemplateContext } = require("./templates")
+const nodemailer = require("nodemailer")
 
+const GLOBAL_DB = StaticDatabases.GLOBAL.name
 const TYPE = TemplateTypes.EMAIL
 
 const FULL_EMAIL_PURPOSES = [
@@ -10,6 +14,14 @@ const FULL_EMAIL_PURPOSES = [
   EmailTemplatePurpose.PASSWORD_RECOVERY,
 ]
 
+function createSMTPTransport(config) {
+  const transport = nodemailer.createTransport({
+    port: config.port,
+    host: config.host,
+
+  })
+}
+
 exports.buildEmail = async (email, user, purpose) => {
   // this isn't a full email
   if (FULL_EMAIL_PURPOSES.indexOf(purpose) === -1) {
@@ -37,3 +49,16 @@ exports.buildEmail = async (email, user, purpose) => {
     body,
   })
 }
+
+exports.sendEmail = async ctx => {
+  const { groupId, email, purpose } = ctx.request.body
+  const db = new CouchDB(GLOBAL_DB)
+  const params = {}
+  if (groupId) {
+    params.group = groupId
+  }
+  params.type = Configs.SMTP
+  const config = await determineScopedConfig(db, params)
+  const transport = createSMTPTransport(config)
+}
+

packages/worker/src/api/routes/admin/configs.js

@@ -6,11 +6,52 @@ const { Configs } = require("../../../constants")
 
 const router = Router()
 
+function smtpValidation() {
+  return Joi.object({
+    port: Joi.number().required(),
+    host: Joi.string().required(),
+    from: Joi.string().email().required(),
+    secure: Joi.boolean().optional(),
+    selfSigned: Joi.boolean().optional(),
+    auth: Joi.object({
+      type: Joi.string().valid("login", "oauth2", null),
+      user: Joi.string().required(),
+      pass: Joi.string().valid("", null),
+    }).optional(),
+  }).unknown(true)
+}
+
+function settingValidation() {
+  return Joi.object({
+    url: Joi.string().valid("", null),
+    logoUrl: Joi.string().valid("", null),
+    company: Joi.string().required(),
+  }).unknown(true)
+}
+
+function googleValidation() {
+  return Joi.object({
+    clientID: Joi.string().required(),
+    clientSecret: Joi.string().required(),
+    callbackURL: Joi.string().required(),
+  }).unknown(true)
+}
+
 function buildConfigSaveValidation() {
   // prettier-ignore
   return joiValidator.body(Joi.object({
     type: Joi.string().valid(...Object.values(Configs)).required(),
-  }).required().unknown(true))
+    config: Joi.alternatives()
+      .conditional("type", {
+        switch: [
+          { is: Configs.SMTP, then: smtpValidation() },
+          { is: Configs.SETTINGS, then: settingValidation() },
+          { is: Configs.ACCOUNT, then: Joi.object().unknown(true) },
+          { is: Configs.GOOGLE, then: googleValidation() }
+        ],
+      }),
+    }),
+  )
 }
 
 router

packages/worker/src/api/routes/admin/email.js

@@ -0,0 +1,21 @@
+const Router = require("@koa/router")
+const controller = require("../../controllers/admin/email")
+const { EmailTemplatePurpose } = require("../../../constants")
+const joiValidator = require("../../../middleware/joi-validator")
+const Joi = require("joi")
+
+const router = Router()
+
+function buildEmailSendValidation() {
+  // prettier-ignore
+  return joiValidator.body(Joi.object({
+    email: Joi.string().email(),
+    groupId: Joi.string().allow("", null),
+    purpose: Joi.string().allow(...Object.values(EmailTemplatePurpose)),
+  }).required().unknown(true))
+}
+
+router
+  .post("/api/admin/email/send", buildEmailSendValidation(), controller.sendEmail)
+
+module.exports = router