User Notification Settings - Finovara

#backend #java #programming #showdev

Hello everyone!

In the latest update to Finovara,
I implemented user notification settings.
This feature allows users to decide whether they want to receive email notifications for important account events.

What this feature does

Users can now enable or disable notifications for important events happening in their account.

When notifications are enabled and the user:

changes their password
changes username
deleted account

the system will send an email notification to the address assigned to his account informing his of the change.

Example of mail sending method:

 @Async
    public void sendEmail(User user, String subject, String templatePath, String username, String email) {
        try {
            MimeMessage message = javaMailSender.createMimeMessage();
            MimeMessageHelper helper = new MimeMessageHelper(message, true, "UTF-8");

            helper.setTo(user.getEmail());
            helper.setFrom("Finovara <" + senderAddress + ">");
            helper.setReplyTo(senderAddress);
            helper.setSubject(subject);

            String html = loadTemplate(templatePath, username, email);
            helper.setText(html, true);

            javaMailSender.send(message);

        } catch (Exception e) {
            throw new RuntimeException("Failed to send email", e);
        }
    }

Example loadTemplate:

 private String loadTemplate(String templatePath, String username, String email) {
        try {
            ClassPathResource resource = new ClassPathResource(templatePath);
            try (InputStream inputStream = resource.getInputStream()) {
                String html = new String(inputStream.readAllBytes(), StandardCharsets.UTF_8);

                if (username != null) {
                    html = html.replace("{{username}}", username);
                }
                if (email != null) {
                    html = html.replace("{{email}}", email);
                }
                return html;
            }
        } catch (Exception e) {
            throw new RuntimeException("Failed to load email template", e);
        }
    }