async Task OnRoomJoin(JoinRoom msg, IOperationContext context)
{
var newMember = new RoomMember
{
RoomName = msg.RoomName,
UserName = msg.ClientName,
UserChannel = context.ReplyChannel
};
var newEvent = new RoomEvent() { UserName = msg.ClientName, Text = "Joined" };
RoomData room;
if (!Rooms.TryGetValue(msg.RoomName, out room))
{
room = new RoomData(msg.RoomName);
room.Members = new List<RoomMember> { newMember };
Rooms.Add(msg.RoomName, room);
}
else
{
if (room.Members.Any(x => x.UserName == msg.ClientName))
{
context.ReplyChannel.Reply(context, new JoinRoomResponse() { RetCode = JoinRoomRetCode.NameIsTaken });
return;
}
else
{
room.Members.ForEach(m => m.UserChannel.Send(newEvent));
room.Members.Add(newMember);
}
}
RoomMembers.Add(context.ReplyChannel, newMember);
room.History.Add(newEvent);
using (var tx = StateManager.CreateTransaction())
{
await _roomsState.SetAsync(tx, room.Name, room);
await tx.CommitAsync();
}
context.ReplyChannel.Reply(context, new JoinRoomResponse() { RetCode = JoinRoomRetCode.Ok });
foreach (var roomEvent in room.History)
{
context.ReplyChannel.Send(roomEvent);
}
}
async Task OnRoomLeave(INetChannel channel)
{
RoomMember member;
if (RoomMembers.TryGetValue(channel, out member))
{
var newEvent = new RoomEvent() { UserName = member.UserName, Text = "Left" };
RoomData room;
if (Rooms.TryGetValue(member.RoomName, out room))
{
room.Members.Remove(member);
room.Members.ForEach(m => m.UserChannel.Send(newEvent));
room.History.Add(newEvent);
using (var tx = StateManager.CreateTransaction())
{
await _roomsState.SetAsync(tx, room.Name, room);
await tx.CommitAsync();
}
}
}
}
async Task OnSay(Say msg, IOperationContext context)
{
RoomMember member;
if (RoomMembers.TryGetValue(context.ReplyChannel, out member))
{
RoomData room;
if (Rooms.TryGetValue(member.RoomName, out room))
{
var newEvent = new RoomEvent() {UserName = member.UserName, Text = msg.Text};
room.History.Add(newEvent);
using (var tx = StateManager.CreateTransaction())
{
await _roomsState.SetAsync(tx, room.Name, room);
await tx.CommitAsync();
}
room.Members.ForEach(m => m.UserChannel.Send(newEvent));
}
}
}