public async Task SendMessageToAll(ClientIdentity clientIdentity, string message)
{
Console.WriteLine("---------------- SendMessageToAll ----------------");
Console.WriteLine("Client: {0}", clientIdentity.ToString());
await Clients.Others.SendAsync(HubConstant.ReceiveMessageMethod, clientIdentity, message);
}
public async Task Register(ClientIdentity clientIdentity)
{
Console.WriteLine("---------------- Register ----------------");
Console.WriteLine("Client: {0}", clientIdentity.ToString());
if (!userLookup.Exists(c => c.ClientId == clientIdentity.ClientId))
{
foreach (var onlineClient in userLookup)
{
// can create another method in ChatClient that receive List<CLientIdentity> onlines
// in that just need to SendAsync once
await Clients.Caller.SendAsync(HubConstant.NotifyStateMethod, onlineClient, State.Register);
}
userLookup.Add(clientIdentity);
await Clients.Others.SendAsync(HubConstant.NotifyStateMethod, clientIdentity, State.Register);
Console.WriteLine(clientIdentity.ToString() + " connected");
}
}
public override async Task OnDisconnectedAsync(Exception e)
{
Console.WriteLine("---------------- OnDisconnectedAsync ----------------");
Console.WriteLine("ClientId: {0}", Context.ConnectionId);
string currentId = Context.ConnectionId;
ClientIdentity clientIdentity = userLookup.First(c => c.ClientId == currentId);
userLookup.Remove(clientIdentity);
Console.WriteLine(clientIdentity.ToString() + " disconnected");
await Clients.Others.SendAsync(
HubConstant.NotifyStateMethod, clientIdentity, State.Disconnect);
await base.OnDisconnectedAsync(e);
}
public async Task SendMessageToGroup(ClientIdentity clientIdentity,
string message, string groupId)
{
Console.WriteLine("---------------- SendMessageToGroup ----------------");
Console.WriteLine("Client: {0}", clientIdentity.ToString());
Console.WriteLine("GroupId: {0}", groupId);
if (groupLookup.Exists(gr => gr.GroupId == groupId))
{
await Clients.OthersInGroup(groupId)
.SendAsync(HubConstant.ReceiveMessageMethod, clientIdentity, message);
}
else
{
Console.WriteLine("GroupId [{0}] not exist", groupId);
}
}
public async Task SendMessageToSpecificClient(ClientIdentity clientIdentity,
string message, string otherClientId)
{
Console.WriteLine("---------------- SendMessageToSpecificClient ----------------");
Console.WriteLine("Client: {0}", clientIdentity.ToString());
Console.WriteLine("OtherClientId: {0}", otherClientId);
if (userLookup.Any(u => u.ClientId == otherClientId))
{
await Clients.Client(otherClientId)
.SendAsync(HubConstant.ReceiveMessageMethod, clientIdentity, message);
}
else
{
Console.WriteLine("ClientId [{0}] not exist", otherClientId);
}
}
public async Task CreateGroup(ClientIdentity clientIdentity, string groupName,
IReadOnlyList <string> memberIdList)
{
Console.WriteLine("---------------- CreateGroup ----------------");
Console.WriteLine("Client: {0}", clientIdentity.ToString());
var groupIdentity = new GroupIdentity()
{
GroupId = Guid.NewGuid().ToString("N"),
GroupName = groupName,
OwnerId = clientIdentity.ClientId
};
foreach (var memberId in memberIdList)
{
await Groups.AddToGroupAsync(memberId, groupIdentity.GroupId);
}
await Clients.Clients(memberIdList).SendAsync(HubConstant.NotifyAddedToGroupMethod,
groupIdentity, clientIdentity);
groupLookup.Add(groupIdentity);
}