/**
* Returns a list with category ids of accessible news categories.
*
* @param array $permissions
* @return array<integer>
*/
public static function getAccessibleCategoryIDs(array $permissions = array('canViewCategory'))
{
$categoryIDs = array();
foreach (CategoryHandler::getInstance()->getCategories('de.voolia.news.category') as $category) {
$result = true;
$category = new NewsCategory($category);
foreach ($permissions as $permission) {
$result = $result && $category->getPermission($permission);
}
if ($result) {
$categoryIDs[] = $category->categoryID;
}
}
return $categoryIDs;
}
/**
* Validates the tags.
*/
protected function validateTags()
{
// check whether the user can/must set tags because of the category selection.
$canSetTags = true;
$canCreateNewsWithoutTags = true;
foreach ($this->categoryIDs as $categoryID) {
$category = CategoryHandler::getInstance()->getCategory($categoryID);
$category = new NewsCategory($category);
// check permissions
if (!$category->getPermission('canSetTags')) {
$canSetTags = false;
}
if (!$category->getPermission('canCreateNewsWithoutTags')) {
$canCreateNewsWithoutTags = false;
}
// we have everything we need :-)
if (!$canSetTags && !$canCreateNewsWithoutTags) {
break;
}
}
if (empty($this->tags)) {
if ($canSetTags && !$canCreateNewsWithoutTags) {
throw new UserInputException('tags', 'empty');
}
} else {
if (!$canSetTags) {
// user can't set tags => ignore them
$this->tags = array();
}
}
}
