private async Task LoadMessages(Conversation conversation)
{
_messageCollection.Clear();
var messageList = await _messageDao.GetAllFromConversation(conversation.Id);
foreach (Message m in messageList)
{
_messageCollection.Add(m);
}
MessageListView.ItemsSource = _messageCollection;
}
public async Task<bool> Exists(Conversation conversation)
{
IHubProxy hubProxy = await DBConnection.GetProxy(hubName);
return await hubProxy.Invoke<bool>("Exists", conversation);
}
/// <summary>
/// Creates conversation with user entered in the textbox.
/// Because of that, conversation is currently possible only between 2 users.
/// </summary>
private async void AddConversationButton_Click(object sender, RoutedEventArgs e)
{
User newContact = new User();
newContact.Username = AddConversationTextBox.Text;
if (!await _userDao.Exists(newContact))
{
ErrorLabel.Content = "Contact with that username doesn't exist!";
return;
}
newContact = await _userDao.Get(newContact.Username);
Conversation newConversation = new Conversation();
newConversation.Participants.Add(ActiveUser);
newConversation.Participants.Add(newContact);
if (await _conversationDao.Exists(newConversation))
{
ErrorLabel.Content = "That conversation already exists!";
}
else
{
newConversation.Id = await _conversationDao.Add(newConversation);
ActiveUser.Conversations.Add(newConversation);
await _userDao.Update(ActiveUser);
newContact.Conversations.Add(newConversation);
await _userDao.Update(newContact);
//ActiveUser.ConversationIdList.Add(newConversation.Id);
//await _userDao.Update(ActiveUser);
//newContact.ConversationIdList.Add(newConversation.Id);
//await _userDao.Update(newContact);
_conversationCollection.Add(newConversation);
CollectionView view =
(CollectionView) CollectionViewSource.GetDefaultView(ConversationListView.ItemsSource);
view.Refresh();
}
}
public async Task<int> Add(Conversation conversation)
{
IHubProxy hubProxy = await DBConnection.GetProxy(hubName);
return await hubProxy.Invoke<int>("Add", conversation);
}