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<?php |
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/** |
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* Created by PhpStorm. |
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* User: horat1us |
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* Date: 5/11/17 |
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* Time: 6:41 PM |
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*/ |
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namespace Horat1us\Services; |
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use Horat1us\Arrays\Collection; |
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use Horat1us\XmlConvertibleInterface; |
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use Horat1us\XmlConvertibleObject; |
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/** |
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* Class XmlDifferenceService |
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* @package Horat1us\Services |
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*/ |
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class XmlDifferenceService |
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{ |
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/** |
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* @var XmlConvertibleInterface |
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*/ |
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protected $source; |
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/** |
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* @var XmlConvertibleInterface |
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*/ |
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protected $target; |
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/** |
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* XmlDifferenceService constructor. |
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* @param XmlConvertibleInterface $source |
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* @param XmlConvertibleInterface $target |
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*/ |
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public function __construct( |
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XmlConvertibleInterface $source, |
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XmlConvertibleInterface $target |
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) |
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{ |
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$this |
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->setSource($source) |
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->setTarget($target); |
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} |
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/** |
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* @return XmlConvertibleInterface|null |
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*/ |
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public function difference() |
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{ |
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$current = $this->getSource(); |
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$compared = $this->getTarget(); |
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if ( |
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$current->getXmlElementName() !== $compared->getXmlElementName() |
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|| empty($current->getXmlChildren()) && !empty($compared->getXmlChildren()) |
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|| array_reduce( |
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$current->getXmlProperties(), |
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function (bool $carry, string $property) use ($compared, $current) : bool { |
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return $carry |
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|| (!property_exists($compared, $property)) |
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|| $current->{$property} !== $compared->{$property}; |
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}, |
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false |
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) |
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) { |
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return clone $current; |
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} |
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$newChildren = Collection::from($current->getXmlChildren() ?? []) |
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->map(function ($child) use ($compared) { |
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return array_reduce( |
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$compared->getXmlChildren() ?? [], |
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function ($carry, $comparedChild) use ($child) { |
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if ($carry) { |
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return $carry; |
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} |
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$source = $child instanceof XmlConvertibleInterface |
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? $child |
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: XmlConvertibleObject::fromXml($child); |
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$target = $comparedChild instanceof XmlConvertibleInterface |
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? $comparedChild |
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: XmlConvertibleObject::fromXml($comparedChild); |
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return $source->xmlDiff($target); |
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}); |
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}) |
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->filter(function ($child) { |
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return $child !== null; |
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}) |
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->array; |
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if (empty($newChildren)) { |
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return null; |
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} |
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$target = clone $current; |
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$target->setXmlChildren($newChildren); |
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return clone $target; |
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} |
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/** |
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* @return XmlConvertibleInterface |
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*/ |
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public function getSource(): XmlConvertibleInterface |
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{ |
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return $this->source; |
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} |
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/** |
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* @param XmlConvertibleInterface $source |
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* @return $this |
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*/ |
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public function setSource(XmlConvertibleInterface $source) |
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{ |
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$this->source = $source; |
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return $this; |
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} |
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/** |
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* @return XmlConvertibleInterface |
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*/ |
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public function getTarget(): XmlConvertibleInterface |
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{ |
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return $this->target; |
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} |
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/** |
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* @param XmlConvertibleInterface $target |
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* @return $this |
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*/ |
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public function setTarget(XmlConvertibleInterface $target) |
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{ |
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$this->target = $target; |
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return $this; |
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} |
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} |
Horat1us /
php-xml-convertible
