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<?php |
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/** |
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* class DataResolver|Firesphere\SearchBackend\Helpers\DataResolver Identify content or relational content of a DataObject |
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* |
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* @package Firesphere\Search\Backend |
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* @author Simon `Firesphere` Erkelens; Marco `Sheepy` Hermo |
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* @copyright Copyright (c) 2018 - now() Firesphere & Sheepy |
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*/ |
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namespace Firesphere\SearchBackend\Helpers; |
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use Firesphere\SearchBackend\Traits\IntrospectionTraits\DataResolveTrait; |
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use LogicException; |
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use SilverStripe\Core\ClassInfo; |
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use SilverStripe\ORM\ArrayList; |
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use SilverStripe\ORM\DataObject; |
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use SilverStripe\ORM\FieldType\DBField; |
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use SilverStripe\ORM\SS_List; |
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use SilverStripe\View\ArrayData; |
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/** |
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* Class DataResolver |
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* |
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* @package Firesphere\Search\Backend |
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*/ |
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class DataResolver |
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{ |
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use DataResolveTrait; |
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/** |
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* Supported object types |
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* |
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* @var array map of objects to methods |
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*/ |
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private static $objTypes = [ |
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DataObject::class => 'DataObject', |
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ArrayData::class => 'ArrayData', |
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SS_List::class => 'List', |
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DBField::class => 'Field', |
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]; |
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/** |
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* DataResolver constructor. |
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* |
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* @param DataObject|ArrayList|SS_List|DBField $component |
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* @param array|string $columns |
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*/ |
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public function __construct($component, $columns = []) |
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{ |
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if (!is_array($columns)) { |
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$columns = str_replace('.', '_', $columns); |
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$columns = array_filter(explode('_', $columns)); |
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} |
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$this->columns = $columns; |
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$this->component = $component; |
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$this->columnName = $this->columns ? array_shift($this->columns) : null; |
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$this->shortName = ClassInfo::shortName($component); |
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} |
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/** |
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* Identify the given object's columns |
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* |
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* @param DataObject|ArrayData|SS_List|DBField $obj |
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* @param array|string $columns |
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* |
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* @return mixed |
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* @throws LogicException |
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*/ |
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public static function identify($obj, $columns = []) |
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{ |
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/** @var {@link self::$objTypes} $type */ |
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foreach (self::$objTypes as $type => $method) { |
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if ($obj instanceof $type) { |
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$method = 'resolve' . $method; |
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$self = new self($obj, $columns); |
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$result = $self->{$method}(); |
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gc_collect_cycles(); |
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return $result; |
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} |
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} |
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throw new LogicException(sprintf('Class: %s is not supported.', ClassInfo::shortName($obj))); |
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} |
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/** |
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* An error occured, so log it |
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* |
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* @param DataObject|ArrayData|SS_List $component |
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* @param array $columns |
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* |
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* @return void |
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* @throws LogicException |
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*/ |
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protected function cannotIdentifyException($component, $columns = []): void |
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{ |
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throw new LogicException( |
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sprintf( |
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'Cannot identify, "%s" from class "%s"', |
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implode('.', $columns), |
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ClassInfo::shortName($component) |
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) |
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); |
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} |
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} |
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Firesphere /
silverstripe-search
