Homework 4 (Controllers)

Due Mar 15, total of 100 points

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Description

In this assignment, you will implement controllers to handle complex operations in your grading application, focusing on assignment submission, grade editing, and auto-assignment features:

Create controllers to manage business logic
Implement assignment submission functionality
Develop a system for editing and updating grades
Design an auto-assignment algorithm for distributing grading tasks

Your controllers should handle the following key functionalities:

submit_file:
- Handle file uploads for assignments
- Validate submission deadlines
- Generate confirmation for successful submissions
grade_submissions:
- Allow TAs to input and edit grades
- Implement grade calculation based on rubrics
- Provide an interface for leaving feedback

Note: Ensure your controllers interact properly with your models and views from previous assignments.

Bonus: Implement unit tests for your controller methods to ensure reliability and correctness.