public function updateExpense($expenseId, AddExpenseRequest $request)
{
$expense = Expense::findorfail($expenseId);
$report = ExpenseReport::findorfail($expense->report_id);
$this->modifyAndSaveExpense($expense, $report, $request->all());
session()->flash('message', 'Expense (' . $expense->title . ') updated!');
return redirect('expenseReports/' . $report->id);
}
