/**
* @return $this
*/
protected function initCategories()
{
if (empty($this->categories) && empty($this->categoriesWithRoots)) {
$collection = $this->categoryColFactory->create()->addNameToResult();
/* @var $collection \Magento\Catalog\Model\Resource\Category\Collection */
foreach ($collection as $category) {
$structure = explode('/', $category->getPath());
$pathSize = count($structure);
if ($pathSize > 1) {
$path = [];
for ($i = 1; $i < $pathSize; $i++) {
$path[] = $collection->getItemById($structure[$i])->getName();
}
$rootCategoryName = array_shift($path);
if (!isset($this->categoriesWithRoots[$rootCategoryName])) {
$this->categoriesWithRoots[$rootCategoryName] = [];
}
$index = implode('/', $path);
$this->categoriesWithRoots[$rootCategoryName][$index] = $category->getId();
if ($pathSize > 2) {
$this->categories[$index] = $category->getId();
}
}
}
}
return $this;
}
/**
* Return option array
*
* @param bool $addEmpty
* @return array
*/
public function toOptionArray($addEmpty = true)
{
/** @var \Magento\Catalog\Model\Resource\Category\Collection $collection */
$collection = $this->_categoryCollectionFactory->create();
$collection->addAttributeToSelect('name')->addRootLevelFilter()->load();
$options = [];
if ($addEmpty) {
$options[] = ['label' => __('-- Please Select a Category --'), 'value' => ''];
}
foreach ($collection as $category) {
$options[] = ['label' => $category->getName(), 'value' => $category->getId()];
}
return $options;
}
/**
* Return parent categories of category
*
* @param \Magento\Catalog\Model\Category $category
* @return \Magento\Framework\Object[]
*/
public function getParentCategories($category)
{
$pathIds = array_reverse(explode(',', $category->getPathInStore()));
/** @var \Magento\Catalog\Model\Resource\Category\Collection $categories */
$categories = $this->_categoryCollectionFactory->create();
return $categories->setStore($this->_storeManager->getStore())->addAttributeToSelect('name')->addAttributeToSelect('url_key')->addFieldToFilter('entity_id', array('in' => $pathIds))->addFieldToFilter('is_active', 1)->load()->getItems();
}
/**
* Get collection of product categories
*
* @param \Magento\Catalog\Model\Product $product
* @return \Magento\Catalog\Model\Resource\Category\Collection
*/
public function getCategoryCollection($product)
{
/** @var \Magento\Catalog\Model\Resource\Category\Collection $collection */
$collection = $this->_categoryCollectionFactory->create();
$collection->joinField('product_id', 'catalog_category_product', 'product_id', 'category_id = entity_id', null)->addFieldToFilter('product_id', (int) $product->getId());
return $collection;
}
/**
* @param string $urlKey
* @return mixed|null
*/
protected function getCategoryReplacement($urlKey)
{
$categoryCollection = $this->categoryCollectionFactory->create();
$category = $categoryCollection->addAttributeToFilter('url_key', $urlKey)->getFirstItem();
$categoryId = null;
if (!empty($category)) {
$categoryId = $category->getId();
}
return $categoryId;
}
/**
* @return $this
*/
protected function initCategories()
{
if (empty($this->categories)) {
$collection = $this->categoryColFactory->create();
$collection->addNameToResult();
/* @var $collection \Magento\Catalog\Model\Resource\Category\Collection */
foreach ($collection as $category) {
$structure = explode(self::DELIMITER_CATEGORY, $category->getPath());
$pathSize = count($structure);
if ($pathSize > 1) {
$path = [];
for ($i = 1; $i < $pathSize; $i++) {
$path[] = $collection->getItemById((int) $structure[$i])->getName();
}
$index = implode(self::DELIMITER_CATEGORY, $path);
$this->categories[$index] = $category->getId();
}
}
}
return $this;
}
/**
* Return array or collection of categories
*
* @param integer $parent
* @param integer $recursionLevel
* @param boolean|string $sorted
* @param boolean $asCollection
* @param boolean $toLoad
* @return array|\Magento\Framework\Data\Collection
*/
public function getCategories($parent, $recursionLevel = 0, $sorted = false, $asCollection = false, $toLoad = true)
{
if ($asCollection) {
$select = $this->_getReadAdapter()->select()->from(['mt' => $this->getMainStoreTable($this->getStoreId())], ['path'])->where('mt.entity_id = ?', $parent);
$parentPath = $this->_getReadAdapter()->fetchOne($select);
$collection = $this->_categoryCollectionFactory->create()->addNameToResult()->addUrlRewriteToResult()->addParentPathFilter($parentPath)->addStoreFilter()->addIsActiveFilter()->addAttributeToFilter('include_in_menu', 1)->addSortedField($sorted);
if ($toLoad) {
return $collection->load();
}
return $collection;
}
return $this->getNodes($parent, $recursionLevel, $this->_storeManager->getStore()->getId());
}
/**
* Get categories collection
*
* @return Collection
*/
protected function _getCategoriesCollection()
{
return $this->_collectionFactory->create();
}
/**
* @param string $urlKey
* @return \Magento\Framework\Object
*/
protected function getCategoryByUrlKey($urlKey)
{
$category = $this->categoryFactory->create()->addAttributeToFilter('url_key', $urlKey)->addUrlRewriteToResult()->getFirstItem();
return $category;
}
/**
* @param string $attributes
* @return \Magento\Catalog\Model\Resource\Category\Collection
*/
public function getSelectedCategoriesCollection($attributes = '*')
{
if (is_null($this->categoryCollection)) {
$collection = $this->categoryCollectionFactory->create();
$collection->addAttributeToSelect($attributes);
$collection->joinField('position', 'sample_news_author_category', 'position', 'category_id=entity_id', '{{table}}.author_id=' . $this->getId(), 'inner');
$this->categoryCollection = $collection;
}
return $this->categoryCollection;
}
