/**
* @param \ServerGrove\KbBundle\Document\Category $category
* @param \Doctrine\Common\Collections\ArrayCollection $articles
* @return \Doctrine\Common\Collections\ArrayCollection
*/
public function getArticlesFromCategoryHierarchy(Category $category, ArrayCollection $articles)
{
if (is_null($articles)) {
$articles = new \Doctrine\Common\Collections\ArrayCollection();
}
foreach ($category->getArticles() as $article) {
$articles->add($article);
}
foreach ($category->getChildren() as $child) {
$this->getArticlesFromCategoryHierarchy($child, $articles);
}
return $articles;
}
/**
* @param \ServerGrove\KbBundle\Document\Category $category
*
* @return bool
*/
private function shouldCategoryBeDisplayed(Category $category)
{
if (0 < $category->getArticles()->count()) {
/** @var $article \ServerGrove\KbBundle\Document\Article */
foreach ($category->getArticles() as $article) {
// If the category has at least one article active,
// it should be displayed
if ($article->getIsActive()) {
return true;
}
}
} elseif (0 < $category->getChildren()->count()) {
/** @var $child \ServerGrove\KbBundle\Document\Category */
foreach ($category->getChildren() as $child) {
if ($this->shouldCategoryBeDisplayed($child)) {
return true;
}
}
}
return false;
}
public function removeChildrenFromCategory(Category $category)
{
$controller = $this;
foreach ($category->getChildren() as $child) {
call_user_func(array($controller, 'removeArticlesFromCategory'), $child);
call_user_func(array($controller, 'removeChildrenFromCategory'), $child);
/** @var $category Category */
$category->getChildren()->removeElement($child);
}
}
