public void CreateChat(string[] lu, string name)
{
var db = new ChatV2DBEntities();
var currentuser = db.User.Where(x => x.IdUser == WebSecurity.CurrentUserId).FirstOrDefault();
Group group = new Group()
{
Title = name,
CreateDate = DateTime.Now,
CreatorId = currentuser.IdUser
};
db.Group.Add(group);
db.SaveChanges();
db.GroupMember.Add(new GroupMember()
{
IdGroup = group.IdGroup,
IdMemberStatus = 1,
IdUser = currentuser.IdUser
});
db.SaveChanges();
foreach (string u in lu)
{
db.GroupMember.Add(new GroupMember()
{
IdGroup = group.IdGroup,
IdMemberStatus = 1,
IdUser = int.Parse(u)
});
}
db.SaveChanges();
}
public override System.Threading.Tasks.Task OnReconnected()
{
var db = new ChatV2DBEntities();
var user = db.User.Where(x => x.Username == this.Context.User.Identity.Name).FirstOrDefault();
if (!UserToConnection.Keys.Any(x => x == user.IdUser.ToString()))
{
UserToConnection.Add(user.IdUser.ToString(), Context.ConnectionId);
}
return base.OnReconnected();
}
public PartialViewResult CreateChat()
{
var db = new ChatV2DBEntities();
var currentuser = db.User.Where(x => x.IdUser == WebSecurity.CurrentUserId).FirstOrDefault();
var users = db.User
.Where(x =>
db.PrivateMessage.Any(m => m.IdRecipient == currentuser.IdUser && m.IdSender == x.IdUser && m.IdStatusMessage == 1) &&
db.PrivateMessage.Any(m => m.IdRecipient == x.IdUser && m.IdSender == currentuser.IdUser && m.IdStatusMessage == 1)
).ToList();
return PartialView(users);
}
public override System.Threading.Tasks.Task OnDisconnected(bool stopCalled)
{
var db = new ChatV2DBEntities();
var user = db.User.Where(x => x.Username == this.Context.User.Identity.Name).FirstOrDefault();
if (UserToConnection.Keys.Any(x => x == user.IdUser.ToString()))
{
UserToConnection.Remove(user.IdUser.ToString());
}
return base.OnDisconnected(stopCalled);
}
public void AddFriend(int idsender, int idrecipient)
{
var db = new ChatV2DBEntities();
if (!db.PrivateMessage.Any(x => (x.IdSender == idsender && x.IdRecipient == idrecipient && x.IdStatusMessage == 1)))
{
db.PrivateMessage.Add(new PrivateMessage()
{
DatetimeSending = DateTime.Now,
IdRecipient = idrecipient,
IdSender = idsender,
IdStatusMessage = 1,
Text = "request"
});
db.SaveChanges();
}
}
public override System.Threading.Tasks.Task OnConnected()
{
var db = new ChatV2DBEntities();
var user = db.User.Where(x => x.Username == this.Context.User.Identity.Name).FirstOrDefault();
if (!UserToConnection.Keys.Any(x => x == user.IdUser.ToString())) //first in hub
{
UserToConnection.Add(user.IdUser.ToString(), Context.ConnectionId);
}
else
{
if(UserToConnection.Where(x => x.Key == user.IdUser.ToString()).FirstOrDefault().Value != Context.ConnectionId) //second+ in hub
{
ConnectionToGroup.Remove(UserToConnection.Where(x => x.Key == user.IdUser.ToString()).FirstOrDefault().Value); // clean old connection
UserToConnection.Remove(user.IdUser.ToString());
UserToConnection.Add(user.IdUser.ToString(), Context.ConnectionId);
}
}
return base.OnConnected();
}
private static Dictionary<string, string> UserToConnection = new Dictionary<string, string>(); //users on hub
#endregion Fields
#region Methods
public void Join(string idgroup)
{
var db = new ChatV2DBEntities();
var user = db.User.Where(x => x.Username == this.Context.User.Identity.Name).FirstOrDefault();
if (!ConnectionToGroup.Any(x => x.Key == Context.ConnectionId)) //if user is not joined
{
if(UserToConnection.Any(x => x.Key == user.IdUser.ToString())) //and user already on hub
{
if (UserToConnection.Where(x => x.Key == user.IdUser.ToString()).FirstOrDefault().Value == Context.ConnectionId)
{
ConnectionToGroup.Add(Context.ConnectionId, idgroup);
}
else
{
UserToConnection.Remove(user.IdUser.ToString());
UserToConnection.Add(user.IdUser.ToString(), Context.ConnectionId);
ConnectionToGroup.Add(Context.ConnectionId, idgroup);
}
}
else
{
//if user comes over
}
}
else
{
//if user already joined
if (UserToConnection.Where(x => x.Key == user.IdUser.ToString()).FirstOrDefault().Value == Context.ConnectionId) //everything ok with connection
{
ConnectionToGroup.Add(Context.ConnectionId, idgroup);
}
else
{
//if user comes over
}
}
}
public void SendPrivateMessage(int idsender, int idrecipient, string message)
{
var db = new ChatV2DBEntities();
if (db.PrivateMessage.Any(x =>
(x.IdSender == idsender && x.IdRecipient == idrecipient && x.IdStatusMessage == 1)) &&
db.PrivateMessage.Any(x =>
(x.IdSender == idrecipient && x.IdRecipient == idsender && x.IdStatusMessage == 1)))
{
db.PrivateMessage.Add(new PrivateMessage()
{
IdRecipient = idrecipient,
IdSender = idsender,
IdStatusMessage = 2,
DatetimeSending = DateTime.Now,
Text = message
});
db.SaveChanges();
Clients.Caller.addNewMessageToPage(idsender, db.User.Where(x => x.IdUser == idsender).FirstOrDefault().Username, message, DateTime.Now.ToLongTimeString());
if (UserToConnection.Where(x => x.Key == idrecipient.ToString()).FirstOrDefault().Value != null)
Clients.Client(UserToConnection.Where(x => x.Key == idrecipient.ToString()).FirstOrDefault().Value).addNewMessageToPage(idsender, db.User.Where(x => x.IdUser == idsender).FirstOrDefault().Username, message, DateTime.Now.ToLongTimeString());
}
}
public PartialViewResult GroupChat(int idcurrentuser, int idgroupchat)
{
try
{
var db = new ChatV2DBEntities();
GroupMessageData data = new GroupMessageData();
if (db.GroupMember.Any(x => x.IdUser == idcurrentuser && x.IdGroup == idgroupchat))
{
data.CurrentUser = db.User.Where(x => x.IdUser == idcurrentuser).FirstOrDefault();
data.Group = db.Group.Where(x => x.IdGroup == idgroupchat).FirstOrDefault();
data.Interlocutors = db.GroupMember
.Join(db.User, gm => gm.IdUser, u => u.IdUser, (gm, u) => new { gm, u })
.Where(x => x.gm.IdGroup == idgroupchat)
.Where(x => x.u.IdUser != idcurrentuser)
.Select(x => x.u).ToList();
if (db.GroupMessage.Where(x => x.IdRecipientsGroup == idgroupchat).ToList().Count > 100)
{
data.Messages = db.GroupMessage.Where(x => x.IdRecipientsGroup == idgroupchat).ToList()
.OrderByDescending(x => x.DatetimeSending).Take(100).Reverse().ToList();
}
else
{
data.Messages = db.GroupMessage.Where(x => x.IdRecipientsGroup == idgroupchat).ToList();
}
return PartialView(data);
}
return PartialView(null);
}
catch (Exception ex)
{
return PartialView("ErrorException", ex);
}
}
public JsonResult SearchUser(string uname, string idcuruser)
{
var db = new ChatV2DBEntities();
List<User> users = new List<ChatModels.User>();
int cur = Convert.ToInt32(idcuruser);
var v = db.User
.Select(x => new
{
IdUser = x.IdUser,
Username = x.Username,
isFriend = db.PrivateMessage.Any(z => (z.IdSender == cur && z.IdRecipient == x.IdUser && z.IdStatusMessage == 1))
})
.Where(x => !x.isFriend && x.IdUser != cur && x.Username.Contains(uname))
.Select(x => new { x.IdUser, x.Username }).ToList();
return new JsonResult() { Data = v, JsonRequestBehavior = JsonRequestBehavior.AllowGet };
}
public PartialViewResult PrivateChat(int? idcurrentuser, int? idinterlocutor)
{
try
{
if (idcurrentuser == null && idinterlocutor == null)
{
return PartialView(null);
}
else
{
var db = new ChatV2DBEntities();
PrivateMessageData data = new PrivateMessageData();
if (db.PrivateMessage.Where(x => (x.IdSender == idcurrentuser && x.IdRecipient == idinterlocutor) ||
(x.IdSender == idinterlocutor && x.IdRecipient == idcurrentuser)).Count() > 100)
{
data.Messages = db.PrivateMessage
.Where(x => (x.IdSender == idcurrentuser && x.IdRecipient == idinterlocutor) ||
(x.IdSender == idinterlocutor && x.IdRecipient == idcurrentuser)).OrderByDescending(x => x.DatetimeSending).Take(100).Reverse().ToList();
}
else
{
data.Messages = db.PrivateMessage
.Where(x => (x.IdSender == idcurrentuser && x.IdRecipient == idinterlocutor) ||
(x.IdSender == idinterlocutor && x.IdRecipient == idcurrentuser)).OrderBy(x => x.DatetimeSending).ToList();
}
data.CurrentUser = db.User.Where(x => x.IdUser == idcurrentuser).FirstOrDefault();
data.Interlocutor = db.User.Where(x => x.IdUser == idinterlocutor).FirstOrDefault();
return PartialView(data);
}
}
catch (Exception ex)
{
return PartialView("ErrorException", ex);
}
}
public ActionResult Index()
{
try
{
if (!WebSecurity.IsAuthenticated)
{
return RedirectToAction("Login", "Account");
}
else
{
var db = new ChatV2DBEntities();
IndexData data = new IndexData();
data.CurentUser = db.User.Where(x => x.IdUser == WebSecurity.CurrentUserId).FirstOrDefault();
data.Contacts.AddRange(db.User
.Where(u => db.PrivateMessage.Any(x =>
(x.IdSender == u.IdUser && x.IdRecipient == data.CurentUser.IdUser && x.IdStatusMessage == 1)) &&
db.PrivateMessage.Any(x =>
(x.IdSender == data.CurentUser.IdUser && x.IdRecipient == u.IdUser && x.IdStatusMessage == 1))));
data.Followers.AddRange(db.User
.Where(u => db.PrivateMessage.Any(x =>
(x.IdSender == u.IdUser && x.IdRecipient == data.CurentUser.IdUser && x.IdStatusMessage == 1)) &&
!db.PrivateMessage.Any(x =>
(x.IdSender == data.CurentUser.IdUser && x.IdRecipient == u.IdUser && x.IdStatusMessage == 1))));
data.Chats.AddRange(db.Group
.Join(db.GroupMember, g => g.IdGroup, gm => gm.IdGroup, (g, gm) => new { g, gm })
.Where(x => x.gm.IdUser == data.CurentUser.IdUser)
.Select(x=> x.g)
);
return View(data);
}
}
catch (Exception ex)
{
return View("ErrorException", ex.Message);
}
}
public void SendGroupMessage(int idsender, int idgroup, string message)
{
var db = new ChatV2DBEntities();
if(db.GroupMember.Any(x => x.IdGroup == idgroup && x.IdUser == idsender))
{
db.GroupMessage.Add(new GroupMessage() {
IdRecipientsGroup = idgroup,
IdSender = idsender,
DatetimeSending = DateTime.Now,
Text = message
});
db.SaveChanges();
}
Clients.Caller.addNewMessageToPage(idsender, db.User.Where(x => x.IdUser == idsender).FirstOrDefault().Username, message, DateTime.Now.ToLongTimeString());
Clients.Clients(ConnectionToGroup.Where(x => x.Value == idgroup.ToString() && x.Key != Context.ConnectionId).Select(x => x.Key).ToList()).addNewMessageToPage(idsender, db.User.Where(x => x.IdUser == idsender).FirstOrDefault().Username, message, DateTime.Now.ToLongTimeString());
}
