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<?php

/**

* Created by PhpStorm.

* User: Wes Gilleland

* Date: 1/27/2016

* Time: 8:04 PM

*/

namespace WTForms\Validators;

use WTForms\Exceptions\StopValidation;

use WTForms\Fields\Core\Field;

use WTForms\Form;

/**

* Validates that input was provided for this field.

*

* Note there is a distinction between this and {@link DataRequired} in that

* {@link InputRequired} looks that form-input data was provided, and {@link DataRequired}

* looks at the post-coercion data

*

* @package WTForms\Validators

*/

class InputRequired extends Validator

{

/**

* @var array

*/

public $field_flags = ['required'];

/**

* InputRequired constructor.

*

* @param string $message Message to raise if validation fails

* @param array $options

*/

public function __construct($message = "", array $options = [])

{

$this->message = $message;

}

/**

* @param Form $form

* @param Field $field

* @param string $message

*

* @throws StopValidation

*/

public function __invoke(Form $form, Field $field = null, $message = "")

{

if (is_null($field->raw_data) || empty($field->raw_data) ||

(!empty($field->raw_data) && !$field->raw_data[0])

) {

if ($this->message == "") {

$message = "This field is required.";

} else {

$message = $this->message;

}

$field->errors = [];

throw new StopValidation($message);

}

}

}