chapter 01: creating confirmationMailMailer using a factory function …

…with too many responsibilities

chapter-01-the-single-responsibility-principle/ConfirmationMailMailer.js

@@ -0,0 +1,30 @@
+function confirmationMailMailer(templating, translator, mailer) {
+    function sendTo(user) {
+        const message = createMessageFor(user);
+
+        sendMessage(message);
+    }
+
+    function createMessageFor(user) {
+        const subject = translator.translate('Confirm your mail address');
+
+        const body = templating.render('confirmationMail.html.tpl', {
+            confirmationCode: user.getConfirmationCode(),
+        });
+
+        const message = new Message(subject, body);
+        message.setTo(user.getEmailAddress());
+
+        return message;
+    }
+
+    function sendMessage(message) {
+        mailer.send(message);
+    }
+
+    return {
+        sendTo,
+    };
+}
+
+module.exports = confirmationMailMailer;