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<?php |
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/** |
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* TechDivision\Import\Product\Link\Observers\ProductLinkObserver |
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* |
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* NOTICE OF LICENSE |
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* |
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* This source file is subject to the Open Software License (OSL 3.0) |
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* that is available through the world-wide-web at this URL: |
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* http://opensource.org/licenses/osl-3.0.php |
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* |
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* PHP version 5 |
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* |
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* @author Tim Wagner <[email protected]> |
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* @copyright 2016 TechDivision GmbH <[email protected]> |
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0) |
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* @link https://github.com/techdivision/import-product-link |
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* @link http://www.techdivision.com |
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*/ |
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namespace TechDivision\Import\Product\Link\Observers; |
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use TechDivision\Import\Product\Link\Utils\ColumnKeys; |
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use TechDivision\Import\Product\Link\Utils\MemberNames; |
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use TechDivision\Import\Product\Observers\AbstractProductImportObserver; |
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/** |
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* Prepares the artefacts for the generic link type import. |
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* |
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* @author Tim Wagner <[email protected]> |
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* @copyright 2016 TechDivision GmbH <[email protected]> |
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0) |
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* @link https://github.com/techdivision/import-product-link |
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* @link http://www.techdivision.com |
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*/ |
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class ProductLinkObserver extends AbstractProductImportObserver |
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{ |
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/** |
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* The artefact type. |
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* |
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* @var string |
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*/ |
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const ARTEFACT_TYPE = 'links'; |
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/** |
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* Process the observer's business logic. |
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* |
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* @return array The processed row |
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*/ |
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protected function process() |
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{ |
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// initialize the array for the links |
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$artefacts = array(); |
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// prepare the links for the found link types and merge the found artefacts |
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foreach ($this->getLinkTypeMappings() as $linkTypeCode => $columns) { |
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$artefacts = array_merge($artefacts, $this->prepareArtefacts($linkTypeCode, $columns)); |
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} |
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// append the links to the subject |
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$this->addArtefacts($artefacts); |
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} |
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/** |
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* Prepare's and return's the artefacts for the passed link type. |
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* |
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* @param string $linkTypeCode The link type code to prepare the artefacts for |
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* @param array $columns The column names that contains the data (SKU + position) |
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* |
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* @return array The link artefacts assembled from the passed row |
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*/ |
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protected function prepareArtefacts($linkTypeCode, array $columns) |
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{ |
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// initialize the array for the product media |
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$artefacts = array(); |
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// extract the column names |
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list ($columnNameSku, $columnNamePosition) = $columns; |
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// query whether or not, we've up sell products |
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if ($links = $this->getValue($columnNameSku, null, array($this, 'explode'))) { |
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// load the parent SKU from the row |
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$parentSku = $this->getValue(ColumnKeys::SKU); |
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// extract the link positions, if available |
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$linkPositions = $this->getValue($columnNamePosition, array(), array($this, 'explode')); |
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// load the SKUs of the related products |
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foreach ($links as $key => $childSku) { |
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// prepare the link position |
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$linkPosition = $key + 1; |
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if (isset($linkPositions[$key]) && !empty($linkPositions[$key])) { |
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$linkPosition = $linkPositions[$key]; |
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} |
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// prepare and append the relation to the artefacts |
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$artefacts[] = $this->newArtefact( |
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array( |
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ColumnKeys::LINK_PARENT_SKU => $parentSku, |
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ColumnKeys::LINK_CHILD_SKU => $childSku, |
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ColumnKeys::LINK_TYPE_CODE => $linkTypeCode, |
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ColumnKeys::LINK_POSITION => $linkPosition |
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), |
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array( |
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ColumnKeys::LINK_PARENT_SKU => ColumnKeys::SKU, |
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ColumnKeys::LINK_CHILD_SKU => $columnNameSku, |
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ColumnKeys::LINK_POSITION => $columnNamePosition |
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) |
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); |
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} |
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} |
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// return the artefacts |
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return $artefacts; |
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} |
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/** |
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* Return's the available link types. |
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* |
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* @return array The link types |
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*/ |
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protected function getLinkTypes() |
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{ |
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return $this->getSubject()->getLinkTypes(); |
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} |
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/** |
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* Return's the link type code => colums mapping. |
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* |
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* @return array The mapping with the link type codes => colums |
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*/ |
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protected function getLinkTypeMappings() |
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{ |
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// initialize the array with link type mappings |
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$linkTypeMappings = array(); |
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// prepare the link type mappings |
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foreach ($this->getLinkTypes() as $linkType) { |
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$linkTypeMappings[$linkType[MemberNames::CODE]] = array( |
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sprintf('%s_skus', $linkType[MemberNames::CODE]), |
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sprintf('%s_position', $linkType[MemberNames::CODE]), |
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); |
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} |
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// return the link type mappings |
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return $linkTypeMappings; |
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} |
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/** |
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* Create's and return's a new empty artefact entity. |
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* |
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* @param array $columns The array with the column data |
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* @param array $originalColumnNames The array with a mapping from the old to the new column names |
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* |
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* @return array The new artefact entity |
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*/ |
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protected function newArtefact(array $columns, array $originalColumnNames) |
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{ |
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return $this->getSubject()->newArtefact($columns, $originalColumnNames); |
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} |
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/** |
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* Add the passed product type artefacts to the product with the |
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* last entity ID. |
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* |
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* @param array $artefacts The product type artefacts |
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* |
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* @return void |
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* @uses \TechDivision\Import\Product\Media\Subjects\MediaSubject::getLastEntityId() |
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*/ |
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protected function addArtefacts(array $artefacts) |
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{ |
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$this->getSubject()->addArtefacts(ProductLinkObserver::ARTEFACT_TYPE, $artefacts); |
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} |
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} |
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techdivision /
import-product-link
