public async Task <IViewComponentResult> InvokeAsync(TransactionCategory.TransactionCategoryType type)
{
var viewModel = controllerTransactions.GetTransactionsCreateViewModel(User.Identity.Name);
viewModel.TransactionCategoryType = type;
// 根據交易類型取得主交易類別
var MainQuary = from mainTran in db.MainTransactionCategory
where mainTran.TransactionType == type
select mainTran;
var MainSelectList = new SelectList(MainQuary, "ID", "Name");
viewModel.MainTransactionCategoryCollection = MainSelectList;
// 子交易類別
int MainTransID;
try
{
int.TryParse(viewModel.MainTransactionCategoryCollection.FirstOrDefault().Value, out MainTransID);
}
catch (System.Exception)
{
MainTransID = 0;
}
viewModel.SubTransactionCategoryCollection = controllerTransactions.GetSubTransactionCategory(MainTransID);
// 轉帳交易使用 CreateTransfer ViewComponent
if (type == TransactionCategory.TransactionCategoryType.Transfer)
{
return(View("CreateTransfer", viewModel));
}
// 收入支出使用Default TransactionCreate ViewComponent
return(View(viewModel));
}
// 更新交易時使用, 會修改後的交易金額調整帳戶餘額 (目前默認不可修改交易類型)
public void UpdateTransaction(ApplicationDbContext context)
{
TransactionCategory.TransactionCategoryType transType = GetTransactionCategoryType(context);
var accounts = context.FinancialAccount;
var account = accounts.Single(ac => ac.ID == this.FinancialAccountID);
var oldTransactionAmount = context.Transaction.AsNoTracking().Single(t => t.ID == ID).Amount;
if (transType == TransactionCategory.TransactionCategoryType.Expense)
{
account.Amount += oldTransactionAmount;
account.Amount -= Amount;
}
else if (transType == TransactionCategory.TransactionCategoryType.Income)
{
account.Amount -= oldTransactionAmount;
account.Amount += Amount;
}
else if (transType == TransactionCategory.TransactionCategoryType.Transfer)
{
var targetAccount = accounts.Single(ac => ac.ID == this.TargetFinancialAccountID);
account.Amount += oldTransactionAmount;
account.Amount -= Amount;
targetAccount.Amount -= oldTransactionAmount;
targetAccount.Amount += Amount;
}
}
