Respect\Validation\Exceptions\NestedValidationException

Complexity

Total Complexity

46

Size/Duplication

Total Lines	282
Duplicated Lines	0 %

Test Coverage

Coverage

24.14%

Importance

Changes

0

14 Methods

Rating	Name	Duplication	Size	Complexity
A	findRelated()	0	11	3
A	isRelated()	0	3	2
A	getRecursiveIterator()	0	9	1
A	addRelated()	0	5	1
A	getRelated()	0	7	2
B	findMessages()	0	28	6
A	setRelated()	0	7	2
A	getMessages()	0	12	3
C	getIterator()	0	44	8
A	isOmissible()	0	11	3
A	setParam()	0	11	3
A	getExceptionForPath()	0	15	4
A	getRelatedByName()	0	9	4
A	getFullMessage()	0	17	4

<?php

/*
 * This file is part of Respect/Validation.
 *
 * (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
 *
 * For the full copyright and license information, please view the "LICENSE.md"
 * file that was distributed with this source code.
 */

declare(strict_types=1);

namespace Respect\Validation\Exceptions;

use IteratorAggregate;
use RecursiveIteratorIterator;
use SplObjectStorage;

class NestedValidationException extends ValidationException implements IteratorAggregate
{
    /**
     * @var SplObjectStorage
     */
    private $exceptions = [];

    /**
     * @param ValidationException $exception
     *
     * @return self
     */
    public function addRelated(ValidationException $exception)
    {
        $this->getRelated()->attach($exception);

        return $this;
    }

    /**
     * @param string              $path
     * @param ValidationException $exception
     *
     * @return ValidationException
     */
    private function getExceptionForPath($path, ValidationException $exception)
    {
        if ($path === $exception->guessId()) {
            return $exception;
        }

        if (!$exception instanceof self) {
            return $exception;
        }

        foreach ($exception as $subException) {
            return $subException;
        }

        return $exception;
    }

    /**
     * @param array $paths
     *
     * @return string[]
     */
    public function findMessages(array $paths)
    {
        $messages = [];

        foreach ($paths as $key => $value) {
            $numericKey = is_numeric($key);
            $path = $numericKey ? $value : $key;

            if (!($exception = $this->getRelatedByName($path))) {
                $exception = $this->findRelated($path);
            }

            $path = str_replace('.', '_', $path);

            if (!$exception) {
                $messages[$path] = '';
                continue;
            }

            $exception = $this->getExceptionForPath($path, $exception);
            if (!$numericKey) {
                $exception->setTemplate($value);
            }

            $messages[$path] = $exception->getMainMessage();
        }

        return $messages;
    }

    /**
     * @return Exception
     */
    public function findRelated($path)
    {
        $target = $this;
        $pieces = explode('.', $path);

        while (!empty($pieces) && $target) {
            $piece = array_shift($pieces);
            $target = $target->getRelatedByName($piece);
        }

        return $target;
    }

    /**
     * @return RecursiveIteratorIterator
     */
    private function getRecursiveIterator()
    {
        $exceptionIterator = new RecursiveExceptionIterator($this);
        $recursiveIteratorIterator = new RecursiveIteratorIterator(
            $exceptionIterator,
            RecursiveIteratorIterator::SELF_FIRST
        );

        return $recursiveIteratorIterator;
    }

    /**
     * Returns weather an exception should be omitted or not.
     *
     * @param ExceptionInterface $exception
     *
     * @return bool
     */
    private function isOmissible(ExceptionInterface $exception)
    {
        if (!$exception instanceof self) {
            return false;
        }

        $relatedExceptions = $exception->getRelated();
        $relatedExceptions->rewind();
        $childException = $relatedExceptions->current();

        return 1 === $relatedExceptions->count() && !$childException instanceof NonOmissibleExceptionInterface;
    }

    /**
     * @return SplObjectStorage
     */
    public function getIterator()
    {
        $childrenExceptions = new SplObjectStorage();

        $recursiveIteratorIterator = $this->getRecursiveIterator();
        $exceptionIterator = $recursiveIteratorIterator->getInnerIterator();

        $lastDepth = 0;
        $lastDepthOriginal = 0;
        $knownDepths = [];
        foreach ($recursiveIteratorIterator as $childException) {
            if ($this->isOmissible($childException)) {
                continue;
            }

            $currentDepth = $lastDepth;
            $currentDepthOriginal = $recursiveIteratorIterator->getDepth() + 1;

            if (isset($knownDepths[$currentDepthOriginal])) {
                $currentDepth = $knownDepths[$currentDepthOriginal];
            } elseif ($currentDepthOriginal > $lastDepthOriginal
                && ($this->hasCustomTemplate() || 1 != $exceptionIterator->count())) {

The method count() does not exist on Iterator. It seems like you code against a sub-type of Iterator such as SplDoublyLinkedList or HttpMessage or HttpRequestPool or Zend\Stdlib\PriorityList or SplFixedArray or SplObjectStorage or SQLiteResult or Imagick or TheSeer\Tokenizer\TokenCollection or SplPriorityQueue or MongoCursor or Zend\Stdlib\FastPriorityQueue or SplHeap or MongoGridFSCursor or CachingIterator or PHP_Token_Stream or Phar or ArrayIterator or GlobIterator or Phar or Phar or Respect\Validation\Exceptions\RecursiveExceptionIterator or RecursiveCachingIterator or RecursiveArrayIterator or SimpleXMLIterator or Phar.

                ++$currentDepth;
            }

            if (!isset($knownDepths[$currentDepthOriginal])) {
                $knownDepths[$currentDepthOriginal] = $currentDepth;
            }

            $lastDepth = $currentDepth;
            $lastDepthOriginal = $currentDepthOriginal;

            $childrenExceptions->attach(
                $childException,
                [
                    'depth' => $currentDepth,
                    'depth_original' => $currentDepthOriginal,
                    'previous_depth' => $lastDepth,
                    'previous_depth_original' => $lastDepthOriginal,
                ]
            );
        }

        return $childrenExceptions;
    }

    /**
     * @return array
     */
    public function getMessages()
    {
        $messages = [$this->getMessage()];
        foreach ($this as $exception) {
            $messages[] = $exception->getMessage();
        }

        if (count($messages) > 1) {
            array_shift($messages);
        }

        return $messages;
    }

    /**
     * @return string
     */
    public function getFullMessage()
    {
        $marker = '-';
        $messages = [];
        $exceptions = $this->getIterator();

        if ($this->hasCustomTemplate() || 1 != count($exceptions)) {
            $messages[] = sprintf('%s %s', $marker, $this->getMessage());
        }

        foreach ($exceptions as $exception) {
            $depth = $exceptions[$exception]['depth'];
            $prefix = str_repeat(' ', $depth * 2);
            $messages[] = sprintf('%s%s %s', $prefix, $marker, $exception->getMessage());
        }

        return implode(PHP_EOL, $messages);
    }

    /**
     * @return SplObjectStorage
     */
    public function getRelated()
    {
        if (!$this->exceptions instanceof SplObjectStorage) {

$this->exceptions is always a sub-type of SplObjectStorage.

            $this->exceptions = new SplObjectStorage();
        }

        return $this->exceptions;
    }

    /**
     * @param string $name
     * @param mixed  $value
     *
     * @return self
     */
    public function setParam($name, $value)
    {
        if ('translator' === $name) {
            foreach ($this->getRelated() as $exception) {
                $exception->setParam($name, $value);
            }
        }

        parent::setParam($name, $value);

        return $this;
    }

    /**
     * @return bool
     */
    private function isRelated($name, ValidationException $exception)
    {
        return $exception->getId() === $name || $exception->getName() === $name;
    }

    /**
     * @return ValidationException
     */
    public function getRelatedByName($name)
    {
        if ($this->isRelated($name, $this)) {
            return $this;
        }

        foreach ($this->getRecursiveIterator() as $exception) {
            if ($this->isRelated($name, $exception)) {
                return $exception;
            }
        }
    }

    /**
     * @param array $exceptions
     *
     * @return self
     */
    public function setRelated(array $exceptions)
    {
        foreach ($exceptions as $exception) {
            $this->addRelated($exception);
        }

        return $this;
    }
}