add support for transactional html/text emails

- Add support for welcome email on user creation (both OAuth and password users)
- Add support for html/text templating on verify email.
- Add support for html/text templating on reset password.
- Add handlers for converting Handlebars templates to HTML and text (template agnostic).
- Add helper function sendEmail() for compiling and sending templates via Email.send() (SMTP).

imports/startup/server/accounts/email-templates.js

@@ -1,5 +1,8 @@
 import { Meteor } from 'meteor/meteor';
 import { Accounts } from 'meteor/accounts-base';
+import getPrivateFile from '../../../modules/server/get-private-file';
+import templateToHTML from '../../../modules/server/handlebars-email-to-html';
+import templateToText from '../../../modules/server/handlebars-email-to-text';
 
 const name = 'Application Name';
 const email = '<support@application.com>';
@@ -13,11 +16,21 @@ emailTemplates.verifyEmail = {
   subject() {
     return `[${name}] Verify Your Email Address`;
   },
+  html(user, url) {
+    return templateToHTML(getPrivateFile('email-templates/verify-email.html'), {
+      applicationName: name,
+      firstName: user.profile.name.first,
+      verifyUrl: url.replace('#/', '')
+    });
+  },
   text(user, url) {
-    const userEmail = user.emails[0].address;
     const urlWithoutHash = url.replace('#/', '');
     if (Meteor.isDevelopment) console.info(`Verify Email Link: ${urlWithoutHash}`); // eslint-disable-line
-    return `Hey, ${user.profile.name.first}! Welcome to ${name}.\n\nTo verify your email address (${userEmail}), click the link below:\n\n${urlWithoutHash}\n\nIf you feel something is wrong, please contact our support team: ${email}.`;
+    return templateToText(getPrivateFile('email-templates/verify-email.txt'), {
+      applicationName: name,
+      firstName: user.profile.name.first,
+      verifyUrl: urlWithoutHash,
+    });
   },
 };
 
@@ -25,10 +38,22 @@ emailTemplates.resetPassword = {
   subject() {
     return `[${name}] Reset Your Password`;
   },
+  html(user, url) {
+    return templateToHTML(getPrivateFile('email-templates/reset-password.html'), {
+      firstName: user.profile.name.first,
+      applicationName: name,
+      emailAddress: user.emails[0].address,
+      resetUrl: url.replace('#/', ''),
+    });
+  },
   text(user, url) {
-    const userEmail = user.emails[0].address;
     const urlWithoutHash = url.replace('#/', '');
     if (Meteor.isDevelopment) console.info(`Reset Password Link: ${urlWithoutHash}`); // eslint-disable-line
-    return `A password reset has been requested for the account related to this address (${userEmail}).\n\nTo reset the password, visit the following link: \n\n${urlWithoutHash}\n\n If you did not request this reset, please ignore this email. If you feel something is wrong, please contact our support team: ${email}.`;
+    return templateToText(getPrivateFile('email-templates/reset-password.txt'), {
+      firstName: user.profile.name.first,
+      applicationName: name,
+      emailAddress: user.emails[0].address,
+      resetUrl: urlWithoutHash,
+    });
   },
 };

imports/startup/server/accounts/on-create-user.js

@@ -1,7 +1,9 @@
 import { Accounts } from 'meteor/accounts-base';
+import sendWelcomeEmail from '../../../api/Users/server/send-welcome-email';
 
 Accounts.onCreateUser((options, user) => {
   const userToCreate = user;
   if (options.profile) userToCreate.profile = options.profile;
+  sendWelcomeEmail(options, user);
   return userToCreate;
 });