Bluz\Validator\ValidatorForm

Complexity

Total Complexity

12

Size/Duplication

Total Lines	140
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	3

Test Coverage

Coverage

96.88%

Importance

Changes

0

8 Methods

Rating	Name	Duplication	Size	Complexity
A	add()	0	5	1
A	validate()	0	10	2
A	validateItem()	0	17	3
A	assert()	0	9	2
A	setError()	0	4	1
A	resetErrors()	0	4	1
A	getErrors()	0	4	1
A	hasErrors()	0	4	1

<?php
/**
 * Bluz Framework Component
 *
 * @copyright Bluz PHP Team
 * @link      https://github.com/bluzphp/framework
 */

declare(strict_types=1);

namespace Bluz\Validator;

use Bluz\Validator\Exception\ValidatorException;
use Bluz\Validator\Exception\ValidatorFormException;

/**
 * Validator Builder
 *
 * @package  Bluz\Validator
 * @author   Anton Shevchuk
 */
class ValidatorForm
{
    /**
     * Stack of validators
     *
     *   ['foo'] => ValidatorChain
     *   ['bar'] => ValidatorChain
     *
     * @var ValidatorChain[]
     */
    protected $validators = [];

    /**
     * list of validation errors
     *
     *   ['foo'] => "some field error"
     *   ['bar'] => "some field error"
     *
     * @var array
     */
    protected $errors = [];

    /**
     * Add chain to form
     *
     * @param string      $name
     *
     * @return ValidatorChain
     */
    public function add($name) : ValidatorChain
    {
        $this->validators[$name] = $this->validators[$name] ?? Validator::create();
        return $this->validators[$name];
    }

    /**
     * Validate chain of rules
     *
     * @param  array $input
     *
     * @return bool
     */
    public function validate($input) : bool
    {
        $this->resetErrors();

        foreach ($this->validators as $key => $validators) {
            $this->validateItem($key, $input[$key] ?? null);
        }

        return !$this->hasErrors();
    }

    /**
     * Validate chain of rules for single item
     *
     * @param  string $key
     * @param  mixed  $value
     *
     * @return bool
     */
    public function validateItem($key, $value): bool
    {
        $validatorsChain = $this->validators[$key] ?? null;

        // w/out any rules element is valid
        if (is_null($validatorsChain)) {
            return true;
        }

        // run validators chain
        if ($validatorsChain->validate($value)) {
            return true;
        }

        $this->setError($key, $validatorsChain->getError());
        return false;
    }

    /**
     * Assert
     *
     * @param  mixed $input
     *
     * @return bool
     * @throws ValidatorException
     */
    public function assert($input)
    {
        if (!$this->validate($input)) {
            $exception = new ValidatorFormException();
            $exception->setFromArray($this->getErrors());
            throw $exception;
        }
        return true;
    }

    /**
     * Add Error by field name
     *
     * @param  string $name
     * @param  string $message
     *
     * @return void
     */
    protected function setError($name, $message)
    {
        $this->errors[$name] = $message;
    }

    /**
     * Reset errors
     *
     * @return void
     */
    protected function resetErrors()
    {
        $this->errors = [];
    }

    /**
     * Get errors
     *
     * @return array
     */
    public function getErrors() : array
    {
        return $this->errors;
    }

    /**
     * Has errors?
     *
     * @return bool
     */
    public function hasErrors() : bool
    {
        return (bool)count($this->errors);
    }
}