public object ConnectUser(string userName)
{
try
{
using (var db = new FacebookDbContext())
{
// Check if there if a connection for the specified user name have ever been made
var existingConnection = db.Connections.Where(x => x.UserName.ToLower() == userName.ToLower()).SingleOrDefault();
if (existingConnection != null)
{
// If there's an old connection only the connection id and the online status are changed.
existingConnection.ConnectionId = Context.ConnectionId;
existingConnection.IsOnline = true;
}
else
{
// If not, then a new connection is created
db.Connections.Add(new Models.BaseEntity.Connection {
ConnectionId = Context.ConnectionId, UserName = userName, IsOnline = true
});
}
db.SaveChanges();
}
UsersOnline();
return(new { Success = true });
}
catch (Exception ex)
{
return(new { Success = false, ErrorMessage = ex.Message });
}
}
public JsonResult VerifyUserNameInUse(string userName)
{
try
{
using (var db = new FacebookDbContext())
{
return(Json(new { Success = true, InUse = db.Connections.Where(x => x.UserName.ToLower() == userName.ToLower() && x.IsOnline).SingleOrDefault() != null }, JsonRequestBehavior.AllowGet));
}
}
catch
{
return(Json(new { Success = false, ErrorMessage = "Something wrong happened." }, JsonRequestBehavior.AllowGet));
}
}
public void UsersOnline()
{
try
{
using (var db = new FacebookDbContext())
{
Clients.All.UpdateUsersOnline(new { Success = true, UsersOnline = db.Connections.Where(x => x.IsOnline).Select(x => x.UserName).ToArray() });
}
}
catch (Exception ex)
{
Clients.All.UpdateUsersOnline(new { Success = false, ErrorMessage = ex.Message });
}
}
public override Task OnReconnected()
{
using (var db = new FacebookDbContext())
{
var connection = db.Connections.Where(x => x.ConnectionId == Context.ConnectionId).SingleOrDefault();
if (connection == null)
{
throw new Exception("An attempt to reconnect a non tracked connection id have been made.");
}
connection.IsOnline = true;
db.SaveChanges();
}
UsersOnline();
return(base.OnReconnected());
}
public void SendMessage(string userName, string message)
{
if (message.StartsWith("@"))
{
var pmUserName = message.Split(' ')[0].Substring(1);
using (var db = new FacebookDbContext())
{
var pmConnection = db.Connections.Where(x => x.UserName.ToLower() == pmUserName && x.IsOnline).SingleOrDefault();
if (pmConnection != null)
{
Clients.Clients(new List <string> {
Context.ConnectionId, pmConnection.ConnectionId
}).UpdateChat(userName, message, true);
return;
}
}
}
}
public PostService(FacebookDbContext context, UserManager <User> userManager, IUserService userservice)
{
_context = context;
_userManager = userManager;
_userService = userservice;
}
public AbstractBaseRepository()
{
context = new FacebookDbContext();
}
public BaseRepository()
{
_db = new FacebookDbContext();
}
public UserDao()
{
db = new FacebookDbContext();
}
public UserService(FacebookDbContext fbContext, UserManager <User> _userManager, SignInManager <User> _signInManager)
{
context = fbContext;
userManager = _userManager;
signInManager = _signInManager;
}