public override void HandleRequest(TransactionEditHelperModel Model)
{
if (!Model.IsEditOperationType)
{
Successor.HandleRequest(Model);
return;
}
if (Model.OldScore != null && Model.OldOperationTypeId == 1 && Model.OldScore.Balance < Model.OldTransactionSum &&
!Model.IsEditScore && !Model.IsEditSum)
{
throw new TransactionException("Недостаточно средств на счете!");
}
if (Model.NewOperationTypeId == 2 && Model.NewScore.Balance < Model.NewTransactionSum &&
!Model.IsEditScore && !Model.IsEditSum)
{
throw new TransactionException("Недостаточно средств на счете!");
}
if (Model.OldScore == null)
{
Model.NewScore.Balance += Model.NewOperationTypeId == Income && Model.IsEditOperationType ? Model.NewTransactionSum * 2 : 0;
Model.NewScore.Balance -= Model.NewOperationTypeId == Expense && Model.IsEditOperationType ? Model.NewTransactionSum * 2 : 0;
}
else
{
Model.OldScore.Balance += Model.NewOperationTypeId == Income && Model.IsEditOperationType ? Model.NewTransactionSum * 2 : 0;
Model.OldScore.Balance -= Model.NewOperationTypeId == Expense && Model.IsEditOperationType ? Model.NewTransactionSum * 2 : 0;
}
Successor.HandleRequest(Model);
}
public override void HandleRequest(TransactionEditHelperModel Model)
{
if (!Model.IsEditScore)
{
Successor.HandleRequest(Model);
return;
}
if ((Model.NewScore.Balance < Model.NewTransactionSum) && Model.NewOperationTypeId == Expense &&
!Model.IsEditOperationType && !Model.IsEditSum)
{
throw new TransactionException("Недостаточно средств на счете!");
}
if ((Model.OldScore.Balance < Model.NewTransactionSum) && Model.NewOperationTypeId == Income &&
!Model.IsEditOperationType && !Model.IsEditSum)
{
throw new TransactionException("Недостаточно средств на счете!");
}
if (Model.NewOperationTypeId != Income && Model.NewOperationTypeId != Expense)
{
throw new TransactionException("Нет такого типа операций!");
}
Model.OldScore.Balance -= Model.NewOperationTypeId == Income ? Model.NewTransactionSum : 0;
Model.OldScore.Balance += Model.NewOperationTypeId == Expense ? Model.NewTransactionSum : 0;
Model.NewScore.Balance += Model.NewOperationTypeId == Income ? Model.NewTransactionSum : 0;
Model.NewScore.Balance -= Model.NewOperationTypeId == Expense ? Model.NewTransactionSum : 0;
Successor.HandleRequest(Model);
}
public override void HandleRequest(TransactionEditHelperModel Model)
{
if (!Model.IsEditSum)
{
return;
}
Model.NewScore.Balance += Model.NewOperationTypeId == Income ? Model.GetTransactionDifNew_Old : 0;
Model.NewScore.Balance -= Model.NewOperationTypeId == Expense ? Model.GetTransactionDifNew_Old : 0;
if (Model.IsEditScore)
{
Model.OldScore.Balance -= Model.NewOperationTypeId == Income ? Model.GetTransactionDifNew_Old : 0;
Model.OldScore.Balance += Model.NewOperationTypeId == Expense ? Model.GetTransactionDifNew_Old : 0;
if (Model.OldScore.Balance < 0)
{
throw new TransactionException("Недостаточно средств на счете!");
}
}
if (Model.NewScore.Balance < 0)
{
throw new TransactionException("Недостаточно средств на счете!");
}
}
private async Task <(bool, string)> RedactAndCheckTransaction(TransactionEditHelperModel model)
{
try
{
var Handler = new TransactionOperationEditHanlder();
Handler.HandleRequest(model);
return(true, null);
}
catch (TransactionException e)
{
return(false, e.Message);
}
}
public TransactionEditHelperModelBuilder()
{
Model = new TransactionEditHelperModel();
}
public abstract void HandleRequest(TransactionEditHelperModel Model);