/**
* Populate the given data object
*
* @param t41\ObjectModel\DataObject $do data object instance
* @return boolean
*/
public function read(ObjectModel\DataObject $do, $data = null)
{
if (!$do->getUri() instanceof ObjectUri) {
throw new Exception('MISSING_URI_IN_DATAOBJECT');
}
if (is_array($data) && count($data) > 0) {
/* populate data object */
$do->populate($data, $this->_mapper);
$do->resetChangedState();
return true;
}
// get table to use
$table = $this->_getTableFromUri($do->getUri());
if (!$table) {
\Zend_Debug::dump($do->getUri());
throw new Exception('MISSING_DBTABLE_PARAM');
}
// primary key is either part of the mapper configuration or 'id'
$pkey = $this->_mapper ? $this->_mapper->getPrimaryKey($do->getUri()->getClass()) : Backend::DEFAULT_PKEY;
$this->_connect();
// get data from backend
$select = $this->_ressource->select()->from($table, $this->_getColumns($do))->limit(1);
/* add clause for primary key(s) */
foreach ($this->_preparePrimaryKeyClauses($do) as $key => $val) {
$select->where("{$key} = ?", $val);
}
try {
$data = $this->_ressource->fetchRow($select);
} catch (\Exception $e) {
echo $e->getMessage();
\Zend_Debug::dump($e->getTrace());
die;
}
if (empty($data)) {
$do->resetUri();
return false;
}
/* complete url part of the object uri */
$do->getUri()->setUrl($table . '/' . $do->getUri()->getIdentifier());
/* populate data object */
$do->populate($data, $this->_mapper);
$do->resetChangedState();
return true;
}
