/** * Returns a category constraint created by * a given list of categories and a junction string * * @param Tx_Extbase_Persistence_QueryInterface $query * @param array $categories * @param string $conjunction * @param boolean $includeSubCategories * @return Tx_Extbase_Persistence_QOM_Constraint|null */ protected function createCategoryConstraint(Tx_Extbase_Persistence_QueryInterface $query, $categories, $conjunction, $includeSubCategories = FALSE) { $constraint = NULL; $categoryConstraints = array(); // If "ignore category selection" is used, nothing needs to be done if (empty($conjunction)) { return $constraint; } if (!is_array($categories)) { $categories = t3lib_div::intExplode(',', $categories, TRUE); } foreach ($categories as $category) { if ($includeSubCategories) { $subCategories = t3lib_div::trimExplode(',', Tx_News_Service_CategoryService::getChildrenCategories($category, 0, '', TRUE), TRUE); $subCategoryConstraint = array(); $subCategoryConstraint[] = $query->contains('categories', $category); if (count($subCategories) > 0) { foreach ($subCategories as $subCategory) { $subCategoryConstraint[] = $query->contains('categories', $subCategory); } } if ($subCategoryConstraint) { $categoryConstraints[] = $query->logicalOr($subCategoryConstraint); } } else { $categoryConstraints[] = $query->contains('categories', $category); } } if ($categoryConstraints) { switch (strtolower($conjunction)) { case 'or': $constraint = $query->logicalOr($categoryConstraints); break; case 'notor': $constraint = $query->logicalNot($query->logicalOr($categoryConstraints)); break; case 'notand': $constraint = $query->logicalNot($query->logicalAnd($categoryConstraints)); break; case 'and': default: $constraint = $query->logicalAnd($categoryConstraints); } } return $constraint; }