/** * Convert the query's properties to the data sources' syntax and return it as an array. * * @param object $dataSource Instance of `lithium\data\Source` to use for conversion. * @param array $options Options to use when exporting the data. * @return array Returns an array containing a data source-specific representation of a query. */ public function export(Source $dataSource, array $options = array()) { $defaults = array('keys' => array()); $options += $defaults; $keys = $options['keys'] ?: array_keys($this->_config); $methods = $dataSource->methods(); $results = array('type' => $this->_type); $apply = array_intersect($keys, $methods); $copy = array_diff($keys, $apply); foreach ($apply as $item) { $results[$item] = $dataSource->{$item}($this->{$item}(), $this); } foreach ($copy as $item) { if (in_array($item, $keys)) { $results[$item] = $this->_config[$item]; } } if (in_array('data', $keys)) { $results['data'] = $this->_exportData(); } if (isset($results['source'])) { $results['source'] = $dataSource->name($results['source']); } if (!isset($results['fields'])) { return $results; } $created = array('fields', 'values'); if (is_array($results['fields']) && array_keys($results['fields']) == $created) { $results = $results['fields'] + $results; } return $results; }