/**
* Save resource to the data base using transactions.
*
* @param string $action
*
* @return Response
*/
protected function persist($action)
{
try {
DB::beginTransaction();
// Validate resource relationships
if ($this->relationships) {
list($labels, $rules) = \App\Validation\Validator::parseRules($this->relationships);
$validator = Validator::make(Input::only(array_keys($rules)), $rules)->setAttributeNames($labels);
if ($validator->fails()) {
$this->resource->validate();
$this->resource->getErrors()->merge($validator->messages()->toArray());
throw new ModelValidationException(_('Wrong relationships data'));
}
}
// Validate and save resource
if ($this->resource->save() === false and $this->resource->getErrors()->count()) {
throw new ModelValidationException(_('Wrong data'));
}
// Save resource relationships
foreach ($this->relationships as $relationship => $notUsed) {
$this->resource->{$relationship}()->sync(Input::get($relationship, []));
}
// Success :)
DB::commit();
if ($action === 'update') {
$successMesssage = _('%s successfully updated');
} elseif ($action === 'store') {
$successMesssage = _('%s successfully created');
} else {
$successMesssage = _('%s successfully saved');
}
Session::flash('success', sprintf($successMesssage, $this->resource));
return redirect()->route("{$this->prefix}.show", [$this->resource->getKey()]);
} catch (\Exception $e) {
DB::rollBack();
if ($e instanceof ModelValidationException) {
Session::flash('error', $e->getMessage());
} else {
throw $e;
}
// Unexpected exception, re-throw it to be able to debug it.
return redirect()->back()->withInput()->withErrors($this->resource->getErrors());
}
}