Discord Deadline Reminder

A Discord bot to send deadline reminders to subscribed users.

Features

Create a course record or an assignment record to database
List all registered courses
Subscribe to or unsubscribe from a registered course
Mark an assignment as completed or undo the last operation
List all uncompleted assignments from user's registered courses
Use cron job to remind subscribed users to submit assignments before 7 days and 1 day before deadline
Use cron job to clear assignment records from database during semester break