public function storeReport(ReportRequest $request, AppMailer $mailer)
{
$input = $request->all();
$input['closed'] = false;
$input['owner_id'] = \Auth::user()->id;
$users = $input['friends'];
$report = ExpenseReport::create($input);
$report->users()->attach($users);
$mailer->sendAddedToReportNotification($report);
return redirect('expenseReports/' . $report->id);
}