Custom validation rule with request class not working laravel 7

Question

Below is my code;
FruitRequest.php
class FruitRequest extends Request
{

public function authorize()
{
    return true;
}

public function rules()
{
    return [
        'name' => 'required|alpha',
        'image' => 'required|image|mimes:jpeg,png,jpg,gif,svg|max:2048'
    ];
}

public function messages()
{
    return ['name.required' => response("Name should be mandatory", 404),
        'name.alpha' => response("Name should be contains only letters", 404),
        'image.required' => response("Foto should be mandatory", 404),
        'image.mimes' => response('Foto should be jpeg,png,jpg,gif,svg', 404),
        'image.max' => response('Foto size should be blow 2 MB', 404),
    ];
}

}
FruitController.php
use AppHttpControllersController;
use AppHttpRequestsFruitRequest;

class FruitController extends Controller
{

public function store(FruitRequest $request)
{
    echo $request->input('name');

//above line gives nothing to me
}

}

If I use extends Request instead of extends FruitRequest then this gives me value which is passed by user in postman. I don't know why this custom Request class not working.I attached screenshot. Please help....

SJR · Answer

extend your request class with FormRequest
use IlluminateFoundationHttpFormRequest;

class FruitRequest extends FormRequest

for more details visit official doc of laravel: https://laravel.com/docs/7.x/validation#creating-form-requests

Alzafan Christian · Answer

long time not using postman, i'm testing with my code
I'm using FormRequest like this:
use IlluminateFoundationHttpFormRequest;
use IlluminateContractsValidationValidator;
use IlluminateHttpExceptionsHttpResponseException;

class YourRequest extends FormRequest
{
  //this function called if Validator::make()->fails();
  //here where you can modifying your message
  protected function failedValidation(Validator $validator)
  {
    //note this only for API, for formData use IlluminateValidationValidationException($validator)
    throw new HttpResponseException(response()->json($validator->errors()->all(), 422));
    //this will get parameter attribute set from FormRequest
    //attributes() along with the error message, 
    //or $validator->errors()->all() to get messages only like my screenshot
    //or modify message with your logic
  }

public function authorize() { return true; }
  public function rules() { return []; }
  public function attributes() { return []; }
  public function messages() { return []; }
}

in controller :
use YourRequest;

public function store(YourRequest $req)
{
  return response($req->all())->setStatusCode(200); 
}

in your FormRequest replace response(), just text:
public function messages()
{
    return ['name.required' => "Name should be mandatory"],
}

2nd, validation alpha only accepts alphabet, which your name is numeric,
result from my code(i use default validator message which in array of messages) :

Custom validation rule with request class not working laravel 7

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