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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Catalog\Model\ResourceModel\Product;
use Magento\Framework\DB\Adapter\AdapterInterface;
/**
* Catalog product link resource model
*
* @author Magento Core Team <[email protected]>
*/
class Link extends \Magento\Framework\Model\ResourceModel\Db\AbstractDb
{
/**
* Product Link Attributes Table
*
* @var string
*/
protected $_attributesTable;
/**
* Catalog product relation
*
* @var Relation
*/
protected $_catalogProductRelation;
/**
* Link constructor.
* @param \Magento\Framework\Model\ResourceModel\Db\Context $context
* @param Relation $catalogProductRelation
* @param string|null $connectionName
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
public function __construct(
\Magento\Framework\Model\ResourceModel\Db\Context $context,
Relation $catalogProductRelation,
$connectionName = null
) {
parent::__construct($context, $connectionName);
}
/**
* Define main table name and attributes table
*
* @return void
*/
protected function _construct()
{
$this->_init('catalog_product_link', 'link_id');
$this->_attributesTable = $this->getTable('catalog_product_link_attribute');
}
/**
* Delete product link by link_id
*
* @param int $linkId
* @return int
* @throws \Magento\Framework\Exception\LocalizedException
*/
public function deleteProductLink($linkId)
{
return $this->getConnection()->delete($this->getMainTable(), ['link_id = ?' => $linkId]);
}
/**
* Retrieve product link_id by link product id and type id
*
* @param int $parentId
* @param int $linkedProductId
* @param int $typeId
* @return string
* @throws \Magento\Framework\Exception\LocalizedException
*/
public function getProductLinkId($parentId, $linkedProductId, $typeId)
{
$connection = $this->getConnection();
$bind = [
':product_id' => (int)$parentId,
':link_type_id' => (int)$typeId,
':linked_product_id' => (int)$linkedProductId
];
$select = $connection->select()->from(
$this->getMainTable(),
['link_id']
)->where(
'product_id = :product_id'
)->where(
'link_type_id = :link_type_id'
)->where(
'linked_product_id = :linked_product_id'
);
return $connection->fetchOne($select, $bind);
}
/**
* Check if product has links.
*
* @param int $parentId ID of product
* @return bool
*/
public function hasProductLinks($parentId)
{
$connection = $this->getConnection();
$select = $connection->select()->from(
$this->getMainTable(),
['count' => new \Zend_Db_Expr('COUNT(*)')]
)->where(
'product_id = :product_id'
) ;
return $connection->fetchOne(
$select,
[
'product_id' => $parentId
]
) > 0;
}
/**
* Save Product Links process
*
* @param int $parentId
* @param array $data
* @param int $typeId
* @return $this
* @throws \Magento\Framework\Exception\LocalizedException
* @SuppressWarnings(PHPMD.CyclomaticComplexity)
*/
public function saveProductLinks($parentId, $data, $typeId)
{
if (!is_array($data)) {
$data = [];
}
$connection = $this->getConnection();
$bind = [':product_id' => (int)$parentId, ':link_type_id' => (int)$typeId];
$select = $connection->select()->from(
$this->getMainTable(),
['linked_product_id', 'link_id']
)->where(
'product_id = :product_id'
)->where(
'link_type_id = :link_type_id'
);
$links = $connection->fetchPairs($select, $bind);
list($insertData, $updateData, $deleteConditions) = $this->prepareProductLinksData(
$parentId,
$data,
$typeId,
$links
);
if ($insertData) {
$insertColumns = [
'product_link_attribute_id',
'link_id',
'value',
];
foreach ($insertData as $table => $values) {
$connection->insertArray($table, $insertColumns, $values, AdapterInterface::INSERT_IGNORE);
}
}
if ($updateData) {
// for mass update product links with constraint by unique key use insert on duplicate statement
foreach ($updateData as $table => $values) {
$connection->insertOnDuplicate($table, $values, ['value']);
}
}
if ($deleteConditions) {
foreach ($deleteConditions as $table => $deleteCondition) {
$connection->delete(
$table,
[
'link_id = ?' => $deleteCondition['link_id'],
'product_link_attribute_id = ?' => $deleteCondition['product_link_attribute_id']
]
);
}
}
return $this;
}
/**
* Prepare link attribute value by attribute type
*
* @param string $type
* @param mixed $value
* @return mixed
*/
protected function _prepareAttributeValue($type, $value)
{
if ($type == 'int') {
$value = (int)$value;
} elseif ($type == 'decimal') {
$value = (double)sprintf('%F', $value);
}
return $value;
}
/**
* Retrieve product link attributes by link type
*
* @param int $typeId
* @return array
*/
public function getAttributesByType($typeId)
{
$connection = $this->getConnection();
$select = $connection->select()->from(
$this->_attributesTable,
['id' => 'product_link_attribute_id', 'code' => 'product_link_attribute_code', 'type' => 'data_type']
)->where(
'link_type_id = ?',
$typeId
);
return $connection->fetchAll($select);
}
/**
* Returns table for link attribute by attribute type
*
* @param string $type
* @return string
*/
public function getAttributeTypeTable($type)
{
return $this->getTable('catalog_product_link_attribute_' . $type);
}
/**
* Retrieve Required children ids
* Return grouped array, ex array(
* group => array(ids)
* )
*
* @param int $parentId
* @param int $typeId
* @return array
*/
public function getChildrenIds($parentId, $typeId)
{
$connection = $this->getConnection();
$childrenIds = [];
$bind = [':product_id' => (int)$parentId, ':link_type_id' => (int)$typeId];
$select = $connection->select()->from(
['l' => $this->getMainTable()],
['linked_product_id']
)->where(
'product_id = :product_id'
)->where(
'link_type_id = :link_type_id'
);
$childrenIds[$typeId] = [];
$result = $connection->fetchAll($select, $bind);
foreach ($result as $row) {
$childrenIds[$typeId][$row['linked_product_id']] = $row['linked_product_id'];
}
return $childrenIds;
}
/**
* Retrieve parent ids array by required child
*
* @param int|array $childId
* @param int $typeId
* @return string[]
*/
public function getParentIdsByChild($childId, $typeId)
{
$parentIds = [];
$connection = $this->getConnection();
$select = $connection->select()->from(
$this->getMainTable(),
['product_id', 'linked_product_id']
)->where(
'linked_product_id IN(?)',
$childId
)->where(
'link_type_id = ?',
$typeId
);
$result = $connection->fetchAll($select);
foreach ($result as $row) {
$parentIds[] = $row['product_id'];
}
return $parentIds;
}
/**
* Prepare data for insert, update or delete product link attributes
*
* @param int $parentId
* @param array $data
* @param int $typeId
* @param array $links
* @return array
*/
private function prepareProductLinksData($parentId, $data, $typeId, $links)
{
$connection = $this->getConnection();
$attributes = $this->getAttributesByType($typeId);
$insertData = [];
$updateData = [];
$deleteConditions = [];
foreach ($data as $linkedProductId => $linkInfo) {
$linkId = null;
if (isset($links[$linkedProductId])) {
$linkId = $links[$linkedProductId];
} else {
$bind = [
'product_id' => $parentId,
'linked_product_id' => $linkedProductId,
'link_type_id' => $typeId,
];
$connection->insert($this->getMainTable(), $bind);
$linkId = $connection->lastInsertId($this->getMainTable());
}
foreach ($attributes as $attributeInfo) {
$attributeTable = $this->getAttributeTypeTable($attributeInfo['type']);
if (!$attributeTable) {
continue;
}
if (isset($linkInfo[$attributeInfo['code']])) {
$value = $this->_prepareAttributeValue(
$attributeInfo['type'],
$linkInfo[$attributeInfo['code']]
);
if (isset($links[$linkedProductId])) {
$updateData[$attributeTable][] = [
'product_link_attribute_id' => $attributeInfo['id'],
'link_id' => $linkId,
'value' => $value,
];
} else {
$insertData[$attributeTable][] = [
'product_link_attribute_id' => $attributeInfo['id'],
'link_id' => $linkId,
'value' => $value,
];
}
} else {
$deleteConditions[$attributeTable]['link_id'][] = $linkId;
$deleteConditions[$attributeTable]['product_link_attribute_id'][] = $attributeInfo['id'];
}
}
}
return [$insertData, $updateData, $deleteConditions];
}
}