App\Http\Controllers\TaskController::bulk PHP Method

    public function bulk()
    {
        $action = Input::get('action');
        $ids = Input::get('public_id') ?: (Input::get('id') ?: Input::get('ids'));
        if ($action == 'stop') {
            $this->taskRepo->save($ids, ['action' => $action]);
            Session::flash('message', trans('texts.stopped_task'));
            return Redirect::to('tasks');
        } else {
            if ($action == 'invoice' || $action == 'add_to_invoice') {
                $tasks = Task::scope($ids)->with('client')->get();
                $clientPublicId = false;
                $data = [];
                foreach ($tasks as $task) {
                    if ($task->client) {
                        if (!$clientPublicId) {
                            $clientPublicId = $task->client->public_id;
                        } else {
                            if ($clientPublicId != $task->client->public_id) {
                                Session::flash('error', trans('texts.task_error_multiple_clients'));
                                return Redirect::to('tasks');
                            }
                        }
                    }
                    if ($task->is_running) {
                        Session::flash('error', trans('texts.task_error_running'));
                        return Redirect::to('tasks');
                    } else {
                        if ($task->invoice_id) {
                            Session::flash('error', trans('texts.task_error_invoiced'));
                            return Redirect::to('tasks');
                        }
                    }
                    $account = Auth::user()->account;
                    $data[] = ['publicId' => $task->public_id, 'description' => $task->description . "\n\n" . $task->present()->times($account), 'duration' => $task->getHours()];
                }
                if ($action == 'invoice') {
                    return Redirect::to("invoices/create/{$clientPublicId}")->with('tasks', $data);
                } else {
                    $invoiceId = Input::get('invoice_id');
                    return Redirect::to("invoices/{$invoiceId}/edit")->with('tasks', $data);
                }
            } else {
                $count = $this->taskService->bulk($ids, $action);
                $message = Utils::pluralize($action . 'd_task', $count);
                Session::flash('message', $message);
                return $this->returnBulk($this->entityType, $action, $ids);
            }
        }
    }