/**
* Check if there are bindings to fetch related records and
* start the related rowset fetching.
* @param Garp_Model $model The model that spawned this data
* @param Garp_Db_Table_Row|Garp_Db_Table_Rowset $data The fetched root data
* @return Void
*/
protected function _combineResultsWithBindings(Garp_Model $model, $data)
{
$tableName = $model->getName();
if ($data) {
$bindings = $model->getBindings();
if (!empty($bindings)) {
// check if it's a rowset or a single row
if (!$data instanceof Garp_Db_Table_Rowset) {
$data = array($data);
}
foreach ($bindings as $binding => $bindOptions) {
/**
* We keep tabs on the outer call to fetch() by checking getRecursion.
* If it is 0, this is the first call in the chain. That way we can
* clean up the recursion when we're done, since all subsequent fetch() calls
* will happen within this one and the if ($cleanup) line ahead will only
* fire on the first fetch(). Look at it like this:
*
* fetch()
* cleanup = 1
* fetch()
* fetch()
* fetch()
* fetch()
* fetch()
* fetch()
* if (cleanup) resetRecursion()
*
*/
$cleanup = false;
if (Garp_Model_Db_BindingManager::getRecursion(get_class($model), $binding) == 0) {
$cleanup = true;
}
if (Garp_Model_Db_BindingManager::isAllowedFetch(get_class($model), $binding)) {
Garp_Model_Db_BindingManager::registerFetch(get_class($model), $binding);
foreach ($data as $datum) {
// there's no relation possible if the primary key is not among the fetched columns
$prim = (array) $model->info(Zend_Db_Table::PRIMARY);
foreach ($prim as $key) {
try {
$datum->{$key};
} catch (Exception $e) {
break 2;
}
}
$relatedRowset = $this->_getRelatedRowset($model, $datum, $bindOptions);
$datum->setRelated($binding, $relatedRowset);
}
}
if ($cleanup) {
Garp_Model_Db_BindingManager::resetRecursion(get_class($model), $binding);
}
}
// return the pointer to 0
if ($data instanceof Garp_Db_Table_Rowset) {
$data->rewind();
}
}
}
}
