Start working on nodemailer upgrade

src/configuration/emailconfig.js

@@ -0,0 +1,29 @@
+class EmailConfig {
+    constructor(config) {
+        this.config = config;
+    }
+
+    getPasswordReset() {
+        const reset = this.config['password-reset'];
+
+        return {
+            getHTML() {
+                return reset['html-template'];
+            },
+
+            getText() {
+                return reset['text-template'];
+            },
+
+            getFrom() {
+                return reset['from'];
+            },
+
+            getSubject() {
+                return reset['subject'];
+            }
+        };
+    }
+}
+
+export { EmailConfig };

src/controller/email.js

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+class EmailController {
+    constructor(mailer, config) {
+        this.mailer = mailer;
+        this.config = config;
+    }
+
+    async sendPasswordReset(params = {}) {
+        const { address, username, url } = params;
+
+        const resetConfig = this.config.getPasswordReset();
+
+        const html = resetConfig.getHTML()
+                .replace(/\$user\$/g, username)
+                .replace(/\$url\$/g, url);
+        const text = resetConfig.getText()
+                .replace(/\$user\$/g, username)
+                .replace(/\$url\$/g, url);
+
+        const result = await this.mailer.sendMail({
+            from: resetConfig.getFrom(),
+            to: `${username} <${address}>`,
+            subject: resetConfig.getSubject(),
+            html,
+            text
+        });
+
+        return result;
+    }
+}
+
+export { EmailController };