Implement rest of quiz CRUD functionality

[martin-markovic]

Summary

This pull request enhances the quiz management capabilities by integrating update and delete functionalities. It includes refactoring the deleteQuiz function, removing redundant code, implementing ID validation, and refining state management in quizSlice.js and Quizzes.jsx.

Changes

1. Controller Updates

   • Refactored deleteQuiz to await the deleteOne method and respond with the deleted quiz ID in quizController.js.

2. Service Cleanup

   • Removed the redundant editQuiz function and export in quizService.js.

3. Redux and State Management

   • Removed redundant state properties and editQuiz thunk in quizSlice.js.
   • Implemented ID validation and response handling for updateQuiz thunk in quizSlice.js.
   • Implemented ID validation and response handling for deleteQuiz thunk in quizSlice.js.
   • Refactored extra reducers to match the semantic origin of thunks in quizSlice.js.
   • Removed redundant extra reducer cases for editQuiz thunk in quizSlice.js.

4. Component Integration

   • Refactored quizFormData, localQuizzes, and quizQuery state management in Quizzes.jsx.
   • Integrated dispatching of updateQuiz and deleteQuiz actions to matching handlers in Quizzes.jsx.
   • Integrated edit handlers for managing quiz editing state in Quizzes.jsx.
   • Implemented conditional quiz rendering based on the isEditing state and the length of localQuizzes in Quizzes.jsx.

Testing

• Verified that deleteQuiz correctly awaits deleteOne and responds with the deleted quiz ID.
• Ensured that editQuiz function and exports are removed from quizService.js.
• Tested the removal of redundant state properties and editQuiz thunk in quizSlice.js.
• Confirmed that ID validation and response handling for updateQuiz and deleteQuiz thunks are correctly implemented in quizSlice.js.
• Checked the refactoring of extra reducers and removal of redundant cases in quizSlice.js.
• Validated the refactoring of state management in Quizzes.jsx.
• Ensured that update and delete actions are correctly dispatched and handled in Quizzes.jsx.
• Confirmed the proper functionality of edit handlers and conditional quiz rendering in Quizzes.jsx.

Additional Information

• These changes improve the quiz management functionalities by integrating update and delete actions, ensuring better state management and validation.
• The refactoring of state management and reducers enhances code clarity and maintainability.