public async Task <IActionResult> CreateExpense(CreateExpenseCategoryViewModel createExpense) { string userId = _userManager.GetUserId(User); if (ModelState.IsValid) { ExpenseCategory expenseCategory = _mapper.Map <ExpenseCategory>(createExpense); expenseCategory.UserId = userId; await _balanceService.AddExpenseCategory(expenseCategory); return(RedirectToAction("Index", "Category")); } var expenseCategories = await _balanceService.GetUserExpenseCategories(userId); var incomeCategories = await _balanceService.GetUserIncomeCategories(userId); CategoryViewModel categoryViewModel = new CategoryViewModel { CreateExpense = createExpense, CreateIncome = new CreateIncomeCategoryViewModel(), ExpenseCategories = _mapper.Map <IReadOnlyList <ExpenseCategory>, List <ItemCategoryViewModel> >(expenseCategories), IncomeCategories = _mapper.Map <IReadOnlyList <IncomeCategory>, List <ItemCategoryViewModel> >(incomeCategories) }; return(View("Index", categoryViewModel)); }