Allow Email Notification

[SirhmVFX]

Summary

Implement email notifications for users to keep them informed about important events and updates.

Description

As a user, I want to receive email notifications for specific events so that I can stay updated even when I am not actively using the application.

Acceptance Criteria

• Users should be able to opt-in and opt-out of email notifications.
• The system should send email notifications for the following events:
  • New message received
  • Mentioned in a comment or post
  • New follower
  • Updates to subscribed threads or topics
  • System announcements or important updates
• Emails should be sent in a user-friendly format and include relevant information and links.
• Ensure that email delivery is reliable and timely.
• Log email notifications for monitoring and debugging purposes.
• Include an option for users to manage their email notification preferences from their account settings.

Tasks

1. Database Changes:

   • Add fields to store user email preferences.

2. Backend Implementation:

   • Create a service to handle email sending.
   • Integrate with an email service provider (e.g., SendGrid, Mailgun).
   • Implement logic to trigger emails based on events.
   • Implement preference management for users to opt-in/out.

3. Testing:

   • Write unit and integration tests for the backend service.
   • Write end-to-end tests to ensure the email notification workflow works as expected.
   • Perform manual testing to verify email content and delivery.