protected function _get_datasource($ds_id)
{
$ds = Datasource_Section::load($ds_id);
if ($ds === NULL) {
throw HTTP_API_Exception::factory(API::ERROR_UNKNOWN, 'Datasource section not found');
}
return $ds;
}
/**
* Получение списка заголовков документов
*
* @param integer $ds_id
* @param array $ids
* @return array
*/
public static function get_document_headers($ds_id, array $ids)
{
$result = array();
foreach ($ids as $i => $id) {
if (isset(self::$_cached_headers[$ds_id][$id])) {
$result[$id] = self::$_cached_headers[$ds_id][$id];
unset($ids[$i]);
}
}
if (empty($ids)) {
return $result;
}
$ds = Datasource_Section::load($ds_id);
if (!$ds instanceof Datasource_Section) {
return array();
}
$db_result = DB::select('id', 'header')->from($ds->table())->where('id', 'in', $ids)->execute()->as_array('id', 'header');
foreach ($db_result as $id => $header) {
self::$_cached_headers[$ds_id][$id] = $header;
$result[$id] = $header;
}
return $result;
}
/**
*
* @return array [$section, $docs, $fields, $count]
*/
public function fetch_data()
{
if (!$this->ds_id) {
return array();
}
list($docs, $fields) = $this->get_documents();
return array('section' => Datasource_Section::load($this->ds_id), 'docs' => $docs, 'fields' => $fields, 'count' => count($this->docs));
}
/**
* Загрузка разедла по ID
*
* @param integer $id
* @return null|Datasource_Section
*/
public static function load($id)
{
return Datasource_Section::load($id);
}
