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<?php |
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/** |
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* @author CONTENT CONTROL http://www.contentcontrol-berlin.de/ |
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* @copyright CONTENT CONTROL http://www.contentcontrol-berlin.de/ |
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* @license http://www.gnu.org/licenses/gpl.html GNU General Public License |
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*/ |
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use midgard\portable\api\error\exception; |
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use midgard\portable\storage\connection; |
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class midgard_collector extends midgard_query_builder |
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{ |
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/** |
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* the results determined by execute |
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* |
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* @var array |
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*/ |
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private $_results = null; |
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/** |
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* |
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* @var string |
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*/ |
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private $key_property = "guid"; |
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private $value_properties = []; |
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public function __construct($class, $field = null, $value = null) |
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{ |
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parent::__construct($class); |
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if ($field) { |
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$this->add_constraint($field, '=', $value); |
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} |
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} |
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/** |
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* @param string $property |
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* @return boolean |
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*/ |
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public function set_key_property($property) |
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{ |
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// after execute there is no sense in changing the key property |
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if ($this->_results !== null) { |
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return false; |
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} |
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$this->key_property = $property; |
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return true; |
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} |
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/** |
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* @param string $property |
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* @return boolean |
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*/ |
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public function add_value_property($property) |
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{ |
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if ($this->_results !== null) { |
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return false; |
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} |
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if (!isset($this->value_properties[$property])) { |
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try { |
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$this->value_properties[$property] = $this->build_property_select($property); |
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} catch (exception $e) { |
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return false; |
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} |
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} |
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return true; |
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} |
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protected function build_property_select($property) |
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{ |
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$parsed = $this->parse_constraint_name($property); |
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// for properties like up.name |
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if ( strpos($property, ".") !== false |
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&& !(strpos($property, "metadata") === 0)) { |
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return $parsed['name'] . " as " . str_replace(".", "_", $property); |
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} |
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$cm = connection::get_em()->getClassMetadata($this->classname); |
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if (array_key_exists($property, $cm->midgard['field_aliases'])) { |
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return $parsed['name'] . " as " . str_replace(".", "_", $property); |
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} |
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if ($cm->hasAssociation($property)) { |
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return 'IDENTITY(' . $parsed['name'] . ") as " . $property; |
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} |
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return $parsed['name']; |
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} |
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/** |
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* @return boolean |
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*/ |
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public function execute() |
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{ |
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if ($this->_results !== null) { |
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return false; |
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} |
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$this->check_groups(); |
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$properties = $this->value_properties; |
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if (!isset($this->value_properties[$this->key_property])) { |
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try { |
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$properties[] = $this->build_property_select($this->key_property); |
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} catch (exception $e) { |
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throw new exception('Property "' . $this->key_property . '" not found in "' . $this->classname . '"', exception::INVALID_PROPERTY); |
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} |
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} |
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$this->qb->addSelect(implode(", ", $properties)); |
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$this->pre_execution(); |
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$results = $this->qb->getQuery()->getArrayResult(); |
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$this->post_execution(); |
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$cm = connection::get_em()->getClassMetadata($this->classname); |
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// map results by current key property |
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$results_map = []; |
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foreach ($results as $result) { |
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foreach ($result as $key => &$value) { |
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// for metadata fields remove the "metadata_" prefix |
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if (strpos($key, "metadata_") !== false) { |
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$result[str_replace("metadata_", "", $key)] = $value; |
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unset($result[$key]); |
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} |
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// TODO: find out why Doctrine doesn't do this on its own |
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if ($cm->hasAssociation($key)) { |
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$value = (int) $value; |
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} |
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} |
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$key = $result[$this->key_property]; |
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if (!isset($this->value_properties[$this->key_property])) { |
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unset($result[$this->key_property]); |
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} |
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$results_map[$key] = $result; |
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} |
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$this->_results = $results_map; |
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return true; |
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} |
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/** |
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* |
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* @param string $key |
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* @return array |
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*/ |
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public function get($key) |
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{ |
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if ( !$this->_has_results() |
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|| !isset($this->_results[$key])) { |
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return false; |
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} |
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return $this->_results[$key]; |
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} |
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/** |
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* |
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* @param string $key |
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* @param string $property |
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*/ |
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public function get_subkey($key, $property) |
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{ |
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if (!$this->_has_results() || !isset($this->_results[$key]) || !isset($this->_results[$key][$property])) { |
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return false; |
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} |
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return $this->_results[$key][$property]; |
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} |
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/** |
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* check whether we got any results to work on |
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* |
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* @return boolean |
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*/ |
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private function _has_results() |
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{ |
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// execute was not called or we got an empty resultset |
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return !($this->_results === null || count($this->_results) == 0); |
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} |
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/** |
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* @return array |
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*/ |
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public function list_keys() |
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{ |
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if (!$this->_has_results()) { |
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1 |
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return []; |
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} |
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$keys = []; |
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foreach ($this->_results as $key => $result) { |
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$keys[$key] = ''; |
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} |
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return $keys; |
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} |
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} |
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flack /
midgard-portable
Let?s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let?s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: