Created
October 10, 2019 05:56
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<?php | |
namespace App\Http\Controllers\Post; | |
use Illuminate\Routing\Controller; | |
use Illuminate\Support\Facades\DB; | |
use Laravel\Nova\Actions\ActionEvent; | |
use Laravel\Nova\Http\Requests\UpdateResourceRequest; | |
class UpdateController extends Controller | |
{ | |
/** | |
* Create a new resource. | |
* | |
* @param \Laravel\Nova\Http\Requests\UpdateResourceRequest $request | |
* @return \Illuminate\Http\JsonResponse | |
*/ | |
public function handle(UpdateResourceRequest $request) | |
{ | |
$request->findResourceOrFail()->authorizeToUpdate($request); | |
$resource = $request->resource(); | |
$resource::validateForUpdate($request); | |
$model = DB::transaction(function () use ($request, $resource) { | |
$model = $request->findModelQuery()->lockForUpdate()->firstOrFail(); | |
if ($this->modelHasBeenUpdatedSinceRetrieval($request, $model)) { | |
return response('', 409)->throwResponse(); | |
} | |
[$model, $callbacks] = $resource::fillForUpdate($request, $model); | |
// code untuk kelola sebelum penyimpanan | |
// AnotherModel::update(); | |
ActionEvent::forResourceUpdate($request->user(), $model)->save(); | |
$model->save(); | |
// code untuk kelola setelah penyimpanan | |
// AnotherModel::update(); | |
collect($callbacks)->each->__invoke(); | |
return $model; | |
}); | |
return response()->json([ | |
'id' => $model->getKey(), | |
'resource' => $model->attributesToArray(), | |
'redirect' => $resource::redirectAfterUpdate($request, $request->newResourceWith($model)), | |
]); | |
} | |
/** | |
* Determine if the model has been updated since it was retrieved. | |
* | |
* @param \Laravel\Nova\Http\Requests\UpdateResourceRequest $request | |
* @param \Illuminate\Database\Eloquent\Model $model | |
* @return bool | |
*/ | |
protected function modelHasBeenUpdatedSinceRetrieval(UpdateResourceRequest $request, $model) | |
{ | |
$column = $model->getUpdatedAtColumn(); | |
if (! $model->{$column}) { | |
return false; | |
} | |
return $request->input('_retrieved_at') && $model->usesTimestamps() && $model->{$column}->gt( | |
Carbon::createFromTimestamp($request->input('_retrieved_at')) | |
); | |
} | |
} |
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