public string InviteUserToBoard(string fromUser, string toUser, Guid boardId)
{
var result = new Result();
try
{
using (var db = new WeSketchDataContext())
{
var context = GlobalHost.ConnectionManager.GetHubContext <WeSketchSignalRHub>();
var invitee = db.Users.SingleOrDefault(usr => usr.UserName == toUser);
if (invitee != null)
{
context.Clients.Group(invitee.UserID.ToString()).ReceiveInvitation(fromUser, boardId);
}
else
{
throw new Exception($"User {toUser} does not exist. Please check spelling and try again.");
}
}
}
catch (Exception e)
{
result.Error = true;
result.ErrorMessage = e.Message;
}
return(JsonConvert.SerializeObject(result));
}
public string JoinBoard(Guid userId, string userName, string hostUser)
{
var result = new Result();
var board = new Board();
try
{
using (var db = new WeSketchDataContext())
{
var user = db.Users.Single(usr => usr.UserName == userName);
if (user.UserID == userId)
{
var host = db.Users.Single(usrHost => usrHost.UserName == hostUser);
user.UserBoard.BoardID = host.UserBoard.BoardID;
user.UserBoard.BoardOwner = false;
user.UserBoard.CanSketch = false;
db.SubmitChanges();
board.BoardID = host.UserBoard.BoardID;
board.Owner = false;
result.ResultJSON = JsonConvert.SerializeObject(board);
}
else
{
throw new Exception("Invalid user.");
}
}
}
catch (Exception e)
{
result.Error = true;
result.ErrorMessage = e.Message;
}
return(JsonConvert.SerializeObject(result));
}