// Post DM in async fashion
private async void PostDMAsync(string message)
{
// post message asynchronously
await WorkHorse.PostDMAsync(MainUser.UserName, WorkHorse.DMReceiver, message);
// when the task completes, fill the dm chat list box
FillDMChatList();
}
// this method will fill the blocked users list box
// with users who are blocked by the active user
private void ShowBlockedList()
{
List <string> blockedList = WorkHorse.GetBlockedUsers(MainUser.UserName);
lb_block.Items.Clear();
if (blockedList != null && blockedList.Count > 0)
{
foreach (string s in blockedList)
{
lb_block.Items.Add(s);
}
}
}
private void Btn_search_send_Click(object sender, RoutedEventArgs e)
{
string searchKey = txt_search.Text.Trim();
if (searchKey.Length > 0)
{
txt_search.Text = "";
List <Chat> chatList = WorkHorse.SearchChat(searchKey);
FillChatBox("search", chatList);
}
else
{
FillChatBox("search", WorkHorse.ChatList);
}
}
private void Btn_direct_message_Click(object sender, RoutedEventArgs e)
{
if (!UserLoginCheck())
{
return;
}
ChangeGrid("dm1");
// everytime DM page is opened, clear the receiver
// a new receiver will be set each time
WorkHorse.DMReceiver = "";
// clear the dictionary of DMs
WorkHorse.ClearDMs();
}
// this method removes the selected user from blocked list
private void Btn_remove_block_Click(object sender, RoutedEventArgs e)
{
// get the selected user
if (lb_block.SelectedItem == null)
{
return;
}
string removeUser = lb_block.SelectedItem.ToString();
if (removeUser != null)
{
WorkHorse.UnblockUser(MainUser.UserName, removeUser);
ShowBlockedList();
}
}
private void Btn_block_send_Click(object sender, RoutedEventArgs e)
{
string user = txt_block.Text.Trim();
if (user.Length > 0)
{
// prevent self blocking
if (user.Equals(MainUser.UserName))
{
MessageBox.Show("Sorry! You are not allowed to block yourself!");
txt_block.Text = "";
return;
}
WorkHorse.BlockUser(MainUser.UserName, user);
txt_block.Text = "";
ShowBlockedList();
}
}
// this will fill the DM Chat List Box with if there is a conversation
// between active user and the receiver
private void FillDMChatList()
{
// firstly, clear the list box
lb_direct_message.Items.Clear();
if (WorkHorse.DMChatList.Count > 0)
{
foreach (DirectMessage dm in WorkHorse.DMChatList)
{
string sender = dm.Fields.Sender;
string message = dm.Fields.Message;
// also block messages in DM if a user blocked the sender
if (WorkHorse.IsBlocked(MainUser.UserName, sender))
{
message = "*** blocked ***";
}
lb_direct_message.Items.Add(sender + ": " + message);
}
}
}
private void FillChatBox(string location, List <Chat> chatList)
{
if (location.Equals("chat"))
{
lb_chat.Items.Clear();
}
if (location.Equals("search"))
{
lb_search.Items.Clear();
}
if (WorkHorse.ChatList.Count > 0)
{
foreach (var chat in chatList)
{
string sender = chat.Fields.Username;
string message = chat.Fields.Message;
// check if the sender is blocked, if so; block the message
if (WorkHorse.IsBlocked(MainUser.UserName, sender))
{
message = "*** blocked ***";
}
if (location.Equals("chat"))
{
lb_chat.Items.Add(sender + ": " + message);
}
if (location.Equals("search"))
{
lb_search.Items.Add(sender + ": " + message);
}
}
}
}
// get the DMs asynchronously and fill the dm chat list
private async void GetDMsAsync()
{
await WorkHorse.GetDMsAsync(MainUser.UserName, WorkHorse.DMReceiver);
FillDMChatList();
}
private async void PostChatAsync(string message)
{
await WorkHorse.PostChatAsync(MainUser.UserName, message);
FillChatBox("chat", WorkHorse.ChatList);
}
// this method will call the GetChat() method in WorkHorse class
// and will populate the chat list box with the results
private async void GetChatAsync()
{
await WorkHorse.GetAllChatAsync();
FillChatBox("chat", WorkHorse.ChatList);
}
public MainWindow()
{
InitializeComponent();
WorkHorse.GetAllBlockedUsers();
}
