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Merge pull request #128 from EmicoEcommerce/issue/126-derived-swatchf…
…ilter Issue/126 derived swatchfilter
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| <?php | ||
|
|
||
| /** | ||
| * @author : Edwin Jacobs, email: ejacobs@emico.nl. | ||
| * @copyright : Copyright Emico B.V. 2020. | ||
| */ | ||
| namespace Emico\Tweakwise\Model\Swatches; | ||
|
|
||
| use Emico\Tweakwise\Model\Catalog\Layer\Filter; | ||
| use Emico\Tweakwise\Model\Catalog\Layer\Filter\Item; | ||
| use Magento\Catalog\Api\Data\ProductAttributeInterface; | ||
| use Magento\Eav\Api\AttributeRepositoryInterface; | ||
| use Magento\Eav\Model\Entity\Attribute\Source\SourceInterface; | ||
| use Magento\Eav\Model\Entity\Attribute\Source\Table; | ||
| use Magento\Framework\Api\SearchCriteriaBuilder; | ||
| use Magento\Swatches\Model\SwatchAttributeCodes; | ||
| use Magento\Swatches\Model\SwatchAttributeType; | ||
|
|
||
| class SwatchAttributeResolver | ||
| { | ||
| /** | ||
| * @var SwatchAttributeCodes | ||
| */ | ||
| protected $swatchAttributeCodes; | ||
|
|
||
| /** | ||
| * @var AttributeRepositoryInterface | ||
| */ | ||
| protected $attributeRepository; | ||
|
|
||
| /** | ||
| * @var SearchCriteriaBuilder | ||
| */ | ||
| protected $searchCriteriaBuilder; | ||
|
|
||
| /** | ||
| * @var array | ||
| */ | ||
| protected $swatchMap; | ||
|
|
||
| /** | ||
| * @var SwatchAttributeType | ||
| */ | ||
| protected $swatchAttributeTypeHelper; | ||
|
|
||
| /** | ||
| * SwatchAttributeResolver constructor. | ||
| * @param SwatchAttributeCodes $swatchAttributeCodes | ||
| * @param AttributeRepositoryInterface $attributeRepository | ||
| * @param SearchCriteriaBuilder $searchCriteriaBuilder | ||
| * @param SwatchAttributeType $swatchAttributeTypeHelper | ||
| */ | ||
| public function __construct( | ||
| SwatchAttributeCodes $swatchAttributeCodes, | ||
| AttributeRepositoryInterface $attributeRepository, | ||
| SearchCriteriaBuilder $searchCriteriaBuilder, | ||
| SwatchAttributeType $swatchAttributeTypeHelper | ||
| ) { | ||
| $this->swatchAttributeCodes = $swatchAttributeCodes; | ||
| $this->attributeRepository = $attributeRepository; | ||
| $this->searchCriteriaBuilder = $searchCriteriaBuilder; | ||
| $this->swatchAttributeTypeHelper = $swatchAttributeTypeHelper; | ||
| } | ||
|
|
||
| /** | ||
| * @param Filter $filter | ||
| * @return array | ||
| */ | ||
| public function getSwatchData(Filter $filter): array | ||
| { | ||
| // Get a map of filter item labels keyed by label | ||
| $labels = array_flip( | ||
| array_map( | ||
| static function (Item $filterItem) { | ||
| return $filterItem->getLabel(); | ||
| }, | ||
| $filter->getItems() | ||
| ) | ||
| ); | ||
| // Get all possible swatches | ||
| $swatchMap = $this->getSwatchMap(); | ||
|
|
||
| $hits = 0; | ||
| $targetSwatchAttribute = null; | ||
| $resolvedOptions = []; | ||
| // try to resolve an attribute code based on the labels given by tweakwise | ||
| foreach ($swatchMap as $swatchConfiguration) { | ||
| $swatchOptions = $swatchConfiguration['options']; | ||
| // Compare the labels from tweakwise with the swatch labels, the more labels match the better | ||
| $matchingAttributeOptions = array_intersect_key($swatchOptions, $labels); | ||
| if (count($labels) === count($matchingAttributeOptions)) { | ||
| // All labels match, we pick this swatch attribute | ||
| $targetSwatchAttribute = $swatchConfiguration['attribute']; | ||
| $resolvedOptions = $matchingAttributeOptions; | ||
| break; | ||
| } | ||
| if ($matchingAttributeOptions > $hits) { | ||
| $hits = $matchingAttributeOptions; | ||
| $targetSwatchAttribute = $swatchConfiguration['attribute']; | ||
| $resolvedOptions = $matchingAttributeOptions; | ||
| } | ||
| } | ||
|
|
||
| if (!$targetSwatchAttribute || !$resolvedOptions) { | ||
| return []; | ||
| } | ||
|
|
||
| return [ | ||
| 'attribute' => $targetSwatchAttribute, | ||
| 'options' => $resolvedOptions, | ||
| ]; | ||
| } | ||
|
|
||
| /** | ||
| * @return array | ||
| */ | ||
| protected function getSwatchMap(): array | ||
| { | ||
| if ($this->swatchMap !== null) { | ||
| return $this->swatchMap; | ||
| } | ||
|
|
||
| $swatchAttributeCodes = $this->swatchAttributeCodes->getCodes(); | ||
| $searchCriteria = $this->searchCriteriaBuilder | ||
| ->addFilter('attribute_code', $swatchAttributeCodes, 'in') | ||
| ->create(); | ||
|
|
||
| $swatchAttributes = $this->attributeRepository->getList( | ||
| ProductAttributeInterface::ENTITY_TYPE_CODE, | ||
| $searchCriteria | ||
| ); | ||
|
|
||
| $this->swatchMap = []; | ||
|
|
||
| foreach ($swatchAttributes->getItems() as $swatchAttribute) { | ||
| if (!$this->swatchAttributeTypeHelper->isSwatchAttribute($swatchAttribute)) { | ||
| // This should not happen however just to be sure | ||
| continue; | ||
| } | ||
|
|
||
| if (!$swatchAttribute->usesSource() || !($source = $swatchAttribute->getSource())) { | ||
| // We cannot resolve an attribute without source. | ||
| continue; | ||
| } | ||
| /** @var Table $source */ | ||
| $options = $source->getAllOptions(true, true); | ||
|
|
||
| $optionLabels = array_column($options, 'label'); | ||
| $optionValues = array_column($options, 'value'); | ||
| $this->swatchMap[] = [ | ||
| 'attribute' => $swatchAttribute, | ||
| 'options' => array_filter(array_combine($optionLabels, $optionValues)) | ||
| ]; | ||
| } | ||
|
|
||
| return $this->swatchMap; | ||
| } | ||
| } |