Feature/refactoring changes

ANSWER.md

@@ -0,0 +1,107 @@
+# Code Refactor
+
+## Overview
+
+This document details the recent enhancements and updates made to the API endpoints, including validation, error handling, HTTP status codes, and OpenAPI annotations.
+
+## User Controller
+
+### Index Function
+
+#### Changes and Enhancements
+
+- *Error Handling:* 
+  - Wrapped the user fetching logic in a `try-catch` block to handle exceptions.
+  - Returns an appropriate error message for better error handling.
+
+- *HTTP Status Codes:* 
+  - Used `Response::HTTP_*` constants for readability and standard compliance.
+
+### Show Function
+
+#### Error Handling
+
+- *Exception Handling:* 
+  - Wrapped the user fetching logic in a `try-catch` block.
+  - Handles specific exceptions (e.g., `ModelNotFoundException` for non-existent users) and general exceptions.
+
+#### HTTP Status Codes
+
+- Used Response: Used Response::HTTP_* constants for readability and standard compliance
+
+#### Validation
+
+- Ensured the id parameter is validated by trying to find the user and handling the ModelNotFoundException.
+
+## Store Function
+
+### FormRequest Class (StoreUserRequest)
+
+- *Validation Handling:* 
+  - Utilizes `StoreUserRequest` to automatically handle validation.
+  - Returns a `400 Bad Request` response with validation errors if validation fails.
+
+- *User Creation:* 
+  - Creates a user if validation passes.
+  - Returns a `201 Created` response upon successful creation.
+
+- *Error Handling:* 
+  - Catches unexpected errors and returns a `500 Internal Server Error` response.
+
+## Update Function
+
+#### Validation Handling
+
+- *UpdateUserRequest:* 
+  - Automatically validates incoming data.
+  - Updates only the provided fields. If the password is not included, it remains unchanged.
+
+#### Error Handling
+
+- *Exception Handling:* 
+  - Catches exceptions and returns appropriate HTTP responses.
+
+#### Swagger/OpenAPI Annotations
+
+- *@OA\Put Annotation:* 
+  - Defines the endpoint, operation, request body, and responses.
+
+- *Response Codes:* 
+  - Includes common responses: `200` for success, `400` for validation errors, `404` for not found, and `500` for internal server errors.
+
+## Destroy Function
+
+#### Finding the User
+
+- *User Retrieval:*
+  - Utilizes `$this->user->findOrFail($id)` to retrieve the user by ID or throw a `ModelNotFoundException`.
+
+#### Deleting the User
+
+- *Deletion Logic:*
+  - Deletes the user if found.
+
+#### Exception Handling
+
+- *ModelNotFoundException:* 
+  - Specifically catches cases where the user is not found.
+
+- *General Exception:* 
+  - Catches any other unexpected errors.
+
+## User Model
+
+### Property Changes
+
+- *Removed Private Properties:*
+  - Changed private properties to protected to leverage Eloquent’s default behavior.
+
+### Updated Docblocks
+
+- *Docblock Adjustments:*
+  - Updated descriptions and types to align with actual usage.
+
+### Nullability
+
+- *Nullable Properties:* 
+  - Added `?` to nullable `Carbon` properties where appropriate.