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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Reports\Model\Grouped;
use Magento\Framework\Data\Collection\AbstractDb as DbCollection;
/**
* @api
* @since 100.0.2
*/
class Collection extends \Magento\Framework\Data\Collection
{
/**
* Column name for group by clause
*
* @var string
*/
protected $_columnGroupBy = null;
/**
* Collection resource
*
* @var \Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection
*/
protected $_resourceCollection = null;
/**
* Set column to group by
* @codeCoverageIgnore
*
* @param string $column
* @return $this
*/
public function setColumnGroupBy($column)
{
$this->_columnGroupBy = (string)$column;
return $this;
}
/**
* Load collection
*
* @param bool $printQuery
* @param bool $logQuery
* @return $this
*/
public function load($printQuery = false, $logQuery = false)
{
if ($this->isLoaded()) {
return $this;
}
parent::load($printQuery, $logQuery);
$this->_setIsLoaded();
if ($this->_columnGroupBy !== null) {
$this->_mergeWithEmptyData();
$this->_groupResourceData();
}
return $this;
}
/**
* Setter for resource collection
* @codeCoverageIgnore
*
* @param DbCollection $collection
* @return $this
*/
public function setResourceCollection($collection)
{
$this->_resourceCollection = $collection;
return $this;
}
/**
* Merge empty data collection with resource collection
*
* @return $this
*/
protected function _mergeWithEmptyData()
{
if (count($this->_items) == 0) {
return $this;
}
foreach ($this->_items as $key => $item) {
foreach ($this->_resourceCollection as $dataItem) {
if ($item->getData($this->_columnGroupBy) == $dataItem->getData($this->_columnGroupBy)) {
if ($this->_items[$key]->getIsEmpty()) {
$this->_items[$key] = $dataItem;
} else {
$this->_items[$key]->addChild($dataItem);
}
}
}
}
return $this;
}
/**
* Group data in resource collection
*
* @return $this
*/
protected function _groupResourceData()
{
if (count($this->_items) == 0) {
foreach ($this->_resourceCollection as $item) {
if (isset($this->_items[$item->getData($this->_columnGroupBy)])) {
$this->_items[$item->getData($this->_columnGroupBy)]->addChild($item->setIsEmpty(false));
} else {
$this->_items[$item->getData($this->_columnGroupBy)] = $item->setIsEmpty(false);
}
}
}
return $this;
}
}