Ejemplo n.º 1
0
        // Client has sent us a message
        public async Task SendMessage(string messagePacket)
        {
            if (string.IsNullOrEmpty(messagePacket))
            {
                return;
            }

            var message = await messageService.NewMessageFromPacket(messagePacket);

            if (message == null)
            {
                return;                     // If our message creation failed
            }
            var messageBlob = JsonConvert.SerializeObject(message);
            await Clients.Group(ChatHubHelper.GroupFor(messagePacket)).ReceiveMessage(messageBlob);
        }
Ejemplo n.º 2
0
        // Client has requested all messages for this channel
        public async Task GetChannelMessages(string channelInfoPacket)
        {
            ChannelInfoPacket packet;
            User    currentUser;
            Channel channel;

            try
            {
                packet      = JsonConvert.DeserializeObject <ChannelInfoPacket>(channelInfoPacket);
                currentUser = await userService.ExistingUser(packet.UserCookie);

                channel = await channelService.GetChannel(packet.Channel);
            }
            catch
            {
                return; // Error parsing the packet
            }

            if (currentUser == null)
            {
                return;
            }

            // Send channel messages to the validated user
            var messages = await channelService.MessagesFor(channel);

            var channelMessages = JsonConvert.SerializeObject(messages);
            await Clients.Caller.ReceiveAllMessages(channelMessages);

            // Add the user to the relevant signalR group
            await Groups.AddToGroupAsync(Context.ConnectionId, ChatHubHelper.GroupFor(channelInfoPacket));

            // Notify group they joined
            var notification = currentUser.Name + " has joined!";
            await Clients.Group(ChatHubHelper.GroupFor(channelInfoPacket)).Notification(notification);
        }