/**
* Convert the query's properties to the data sources' syntax and return it as an array.
*
* @param object $source Instance of the data source (`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 $source, array $options = array())
{
$defaults = array('keys' => array());
$options += $defaults;
if ($options['keys']) {
$keys = array_flip($options['keys']);
} else {
$keys =& $this->_config;
}
$results = array('type' => $this->_type);
$apply = array_intersect_key($keys, array_flip($source->methods()));
$copy = array_diff_key($keys, $apply);
if (isset($keys['with'])) {
$this->applyStrategy($source);
}
foreach ($apply as $item => $value) {
$results[$item] = $source->{$item}($this->{$item}(), $this);
}
foreach ($copy as $item => $value) {
$results[$item] = $this->_config[$item];
}
if (array_key_exists('data', $keys)) {
$results['data'] = $this->_exportData();
}
if (array_key_exists('source', $keys)) {
$results['source'] = $source->name($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;
}
/**
* 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;
}
/**
* Determines the set of methods to be used when exporting query values.
*
* @return array
*/
public function methods()
{
$result = parent::methods();
unset($result[array_search('schema', $result)]);
return $result;
}
/**
* Convert the query's properties to the data sources' syntax and return it as an array.
*
* @param object $dataSource Instance of the 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('data' => array());
$options += $defaults;
$keys = array_keys($this->_config);
$methods = $dataSource->methods();
$results = array();
$apply = array_intersect($keys, $methods);
$copy = array_diff($keys, $apply);
foreach ($apply as $item) {
$results[$item] = $dataSource->{$item}($this->{$item}(), $this);
}
foreach ($copy as $item) {
$results[$item] = $this->_config[$item];
}
$entity =& $this->_entity;
$data = $entity ? $entity->export($dataSource, $options['data']) : $this->_data;
$data = ($list = $this->_config['whitelist']) ? array_intersect_key($data, $list) : $data;
$results += compact('data');
$results['source'] = $dataSource->name($this->_config['source']);
$created = array('fields', 'values');
if (is_array($results['fields']) && array_keys($results['fields']) == $created) {
$results = $results['fields'] + $results;
}
return $results;
}
