public void UpdateDashboard()
{
var barcoin = new Blockchain.Model.Blockchain();
ObservableCollection <Transaction> transactions = barcoin.GetUserRelevantTransactions(SignedUser.Id);
CustomTransactions = new ObservableCollection <CustomTransaction>();
var orderedTransactions = transactions.OrderByDescending(x => x.Timestamp.Date)
.ThenByDescending(x => x.Timestamp.TimeOfDay);
float balance = 0.0f;
foreach (Transaction t in orderedTransactions)
{
if (t.RecipientId == SignedUser.Id)
{
balance += t.Amount;
}
else
{
balance -= t.Amount;
}
string sender = barcoin.GetUsernameById(t.SenderId);
string recipient = barcoin.GetUsernameById(t.RecipientId);
CustomTransaction ct = new CustomTransaction()
{
Id = t.Id,
Hash = t.ComputeHash(),
Sender = t.SenderId == SignedUser.Id ? "You" : sender,
Recipient = t.RecipientId == SignedUser.Id ? "You" : recipient,
Amount = t.Amount,
Timestamp = t.Timestamp.ToString("yyyy.MM.dd"),
Color = t.RecipientId == SignedUser.Id ? "DeepSkyBlue" : "Transparent"
};
CustomTransactions.Add(ct);
}
ChartSeriesRepo = new ChartSeriesRepository(
barcoin.GetTransactions()
.OrderByDescending(x => x.Timestamp.Date)
.Take(50),
CustomTransactions
);
Balance = balance.ToString("n4");
if (barcoin.IsValid())
{
ViewModelLocator.Main.SyncState = "up to date";
}
else
{
ViewModelLocator.Main.SyncState = "out of sync";
}
}
private void OnSend(object obj)
{
if (string.IsNullOrWhiteSpace(Address))
{
Error = "Enter a receiver's address.";
ErrorVisibility = Visibility.Visible;
return;
}
if (string.IsNullOrWhiteSpace(Amount))
{
Error = "Enter an amount to be sent.";
ErrorVisibility = Visibility.Visible;
return;
}
if (!IsLegal)
{
Error = "Accept our terms and conditions.";
ErrorVisibility = Visibility.Visible;
return;
}
var barcoin = new Blockchain.Model.Blockchain();
int recipientId = barcoin.GetIdFromAddress(Address);
if (recipientId != -1)
{
string senderBalance = ViewModelLocator.Dashboard.Balance;
if (float.Parse(Amount) < float.Parse(senderBalance))
{
barcoin.AcceptBlock(
barcoin.GenerateBlock(
(int)Application.Current.Resources["SID"],
recipientId,
float.Parse(Amount)
)
);
dialogCoordinator.ShowMessageAsync(
this,
"Transaction Successful",
"Find furthermore information about your transactions in the dashboard tab."
);
Address = string.Empty;
Amount = string.Empty;
}
else
{
dialogCoordinator.ShowMessageAsync(
this,
"Transaction Failed",
"The amount you provided exceeds your current balance. It will be now defaulted to max value."
);
Amount = senderBalance;
}
}
else
{
dialogCoordinator.ShowMessageAsync(
this,
"Transaction Failed",
"The address you provided wasn't found inside the network. Please double check and retry."
);
}
}
