Validation, Errors and Status Codes

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Now, let's talk about validation. What happens if the user doesn't pass anything?

First, let's see what we get if we don't send the name field.

We get a 500 error code and a SQL error message, which is also a security issue. We don't want customers to see the actual error.

For the backend part, we can validate the regular way using Form Request.

php artisan make:request StoreCategoryRequest

app/Http/Requests/StoreCategoryRequest.php:

class StoreCategoryRequest extends FormRequest
{
    public function authorize(): bool
    {
        return true;
    }
 
    public function rules(): array
    {
        return [
            'name' => ['required']
        ];
    }
}

app/Http/Controllers/Api/CategoryController.php:

use App\Http\Requests\StoreCategoryRequest;
 
class CategoryController extends Controller
{
    // ...
 
    public function store(Request $request) 
    public function store(StoreCategoryRequest $request) 
    {
        $category = Category::create($request->all());
 
        return new CategoryResource($category);
    }
}

Now, we see a better result that can be shown...