//Delete inbox mail by client
private void DeleteInboxMail(object o)
{
var mail = o as MailMsgBase;
if (mail != null && !string.IsNullOrEmpty(mail.UID))
{
Messenger.Default.Send(new DisplayMessage("Are you sure?", "The mail will delete and not exist.Ensure delete this mail.")
{
OnOk = async() =>
{
System.Diagnostics.Debug.WriteLine("On ok click.");
IsRequesting = true;
await Task.Run(() =>
{
try
{
System.Diagnostics.Debug.WriteLine("Delete mail action invoked.");
if (EnsureLoginFetchMessage() && globalClient.DeleteMessage(mail.UID))
{
Messenger.Default.Send(new DisplayMessage("Delete Successful!", DisplayType.Toast));
Application.Current.Dispatcher.Invoke(() =>
{
InboxList.Remove(mail);
});
}
}
catch (Exception e)
{
Messenger.Default.Send(new DisplayMessage("Delete Fail!", e.Message));
}
});
IsRequesting = false;
}
});
}
}
//Ensure login and fetch new messages
private bool EnsureLoginFetchMessage()
{
bool isSuccessful = false;
try
{
var newMsgs = new List <MailMsgBase>();
//Login
EnsureLogin(msg =>
{
newMsgs.Add(msg);
});
System.Diagnostics.Debug.WriteLine("Get new mail message succuessed.");
System.Diagnostics.Debug.WriteLine($"newMsgs.Count : {newMsgs.Count}");
var addList = new List <MailMsgBase>();
var removeList = new List <MailMsgBase>();
//Remove messages not exist from InboxList
//Remove messages exist in InboxList from NewMsgs
for (int i = 0; i < InboxList.Count; i++)
{
var msg = InboxList[i];
var index = newMsgs.FindIndex(obj => obj.UID == msg.UID);
if (index < 0)
{
removeList.Add(msg);
}
else
{
var newer = newMsgs[index];
msg.UpdateOrigin(newer);
newMsgs.RemoveAt(index);
}
}
//Update it
Application.Current.Dispatcher.Invoke(() =>
{
for (int i = 0; i < removeList.Count; i++)
{
InboxList.Remove(removeList[i]);
if (removeList[i] == null)
{
continue;
}
System.Diagnostics.Debug.WriteLine($"Remvoe {removeList[i].UID}");
}
for (int i = 0; i < newMsgs.Count; i++)
{
if (newMsgs[i] == null)
{
continue;
}
InboxList.Insert(0, newMsgs[i]);
Messenger.Default.Send(new DisplayMessage("New Mail",
newMsgs[i].From[i].ToString() + "\n" + newMsgs[i].Subject,
DisplayType.Toast));
System.Diagnostics.Debug.WriteLine($"Add {newMsgs[i].UID}");
}
});
isSuccessful = true;
}
catch (Exception e)
{
Messenger.Default.Send(new DisplayMessage("Error on get mail.", e.Message));
isSuccessful = false;
}
return(isSuccessful);
}