Add email integration to be able to broadcast emails to all users.

Resolves #388

app/api/src/functions/identity-signup.js

@@ -1,4 +1,4 @@
-import { createUserInsecure } from 'src/services/users/users.js'
+import { createUserInsecure } from 'src/services/users/users'
 import { db } from 'src/lib/db'
 import { sentryWrapper } from 'src/lib/sentry'
 import { enforceAlphaNumeric, generateUniqueString } from 'src/services/helpers'

app/api/src/graphql/email.sdl.ts

@@ -0,0 +1,22 @@
+export const schema = gql`
+  type Envelope {
+    from: String
+    to: [String!]!
+  }
+
+  type EmailResponse {
+    accepted: [String!]!
+    rejected: [String!]!
+    messageId: String!
+    envelope: Envelope
+  }
+
+  input Email {
+    subject: String!
+    body: String!
+  }
+
+  type Mutation {
+    sendAllUsersEmail(input: Email!): EmailResponse!
+  }
+`

app/api/src/lib/auth.ts

@@ -121,7 +121,8 @@ export const getCurrentUser = async (decoded, { _token, _type }) => {
  * requireAuth({ role: ['editor', 'author'] })
  * requireAuth({ role: ['publisher'] })
  */
-export const requireAuth = ({ role } = {}) => {
+export const requireAuth = ({ role }: {role?: string | string[]} = {}) => {
+  console.log(context.currentUser)
   if (!context.currentUser) {
     throw new AuthenticationError("You don't have permission to do that.")
   }

app/api/src/lib/sendmail.ts

@@ -0,0 +1,56 @@
+import nodemailer, {SendMailOptions} from 'nodemailer'
+
+interface Args {
+  to: SendMailOptions['to']
+  from: SendMailOptions['from']
+  subject: string
+  text: string
+}
+
+interface SuccessResult {
+  accepted: string[]
+  rejected: string[]
+  envelopeTime: number
+  messageTime: number
+  messageSize: number
+  response: string
+  envelope: {
+    from: string | false,
+    to: string[]
+  },
+  messageId: string
+}
+
+export function sendMail({to, from, subject, text}: Args): Promise<SuccessResult> {
+  let transporter = nodemailer.createTransport({
+    host: 'smtp.mailgun.org',
+    port: 587,
+    secure: false,
+    tls: {
+      ciphers:'SSLv3'
+    },
+    auth: {
+      user: 'postmaster@mail.cadhub.xyz',
+      pass: process.env.EMAIL_PASSWORD
+    }
+  });
+
+  console.log({to, from, subject, text});
+
+  const emailPromise = new Promise((resolve, reject) => {
+    transporter.sendMail({
+      from,
+      to,
+      subject,
+      text,
+    }, (error, info) => {
+      if (error) {
+        reject(error);
+      } else {
+        resolve(info);
+      }
+    });
+  }) as any as Promise<SuccessResult>
+  return emailPromise
+}
+

app/api/src/services/email/email.ts

@@ -0,0 +1,18 @@
+import { requireAuth } from 'src/lib/auth'
+import {sendMail} from 'src/lib/sendmail'
+import {users} from 'src/services/users/users'
+
+export const sendAllUsersEmail = async ({input: {body, subject}}) => {
+  requireAuth({ role: 'admin' })
+  const recipients = (await users()).map(({email}) => email)
+  const from = {
+    address:'news@mail.cadhub.xyz',
+    name: 'CadHub',
+  }
+  return sendMail({
+    to: recipients,
+    from,
+    subject,
+    text: body,
+  })
+}