module.add(user,problem,record)

hydro/lib/mail.js

@@ -0,0 +1,45 @@
+const
+    nodemailer = require('nodemailer'),
+    options = require('../options'),
+    { SendMailError } = require('../error');
+
+let transporter = null;
+try {
+    transporter = nodemailer.createTransport({
+        host: options.VJ_SMTP_HOST,
+        port: options.VJ_DB_PORT,
+        secure: options.VJ_SMTP_SECURE,
+        auth: {
+            user: options.VJ_SMTP_USER,
+            pass: options.VJ_SMTP_PASSWORD
+        }
+    });
+} catch (e) {
+    console.error(e);
+}
+
+module.exports = {
+    /**
+     * @param {string} to 
+     * @param {string} subject 
+     * @param {string} text
+     * @param {string} html
+     */
+    async send_mail(to, subject, text, html) {
+        let t;
+        try {
+            t = await new Promise((resolve, reject) => {
+                transporter.sendMail({
+                    from: options.VJ_SMTP_FROM,
+                    to, subject, text, html
+                }, (err, info) => {
+                    if (err) reject(err);
+                    else resolve(info);
+                });
+            });
+        } catch (e) {
+            throw new SendMailError(to);
+        }
+        return t;
+    }
+};