void OnClientMessage(WebSocketConnection sender, DataReceivedEventArgs e)
{
OnlineUser user = Users.Single(a => a.Connection == sender);
int index = e.Data.IndexOf(">>");
string[] action = e.Data.Substring(0, index).Split(':');
string[] args = action[1].Split(',');
string data = e.Data.Remove(0, index + 2);
Dictionary<string, string[]> actions = GetAllArgs(args);
Func<string> combine = delegate()
{
List<string> newargs = new List<string>();
foreach(KeyValuePair<string, string[]> a in actions)
newargs.Add(string.Format("{0}({1})", a.Key, String.Join("|", a.Value)));
return string.Format("{0}:{1}>>{2}", action[0], string.Join(",", newargs.ToArray()), data);
};
switch(action[0])
{
case "REGISTER":
//auth here
int newuserid = int.Parse(args[0]);
if (Users.Exists(c => c.UserID == newuserid))
Users.Single(c => c.UserID == newuserid).Connection.Dispose();
user.UserID = newuserid;
user.Contacts = new List<int>();
ContactInfo.GetContacts(user.UserID).ForEach(delegate(ContactInfo i) { user.Contacts.Add(i.ContactID); });
user.Contacts.ForEach(delegate(int cid){
if (Users.Exists(c => c.UserID == cid))
{
SendToContact(cid, String.Format("ONLINE:{0}>>", user.UserID));
SendToContact(user.UserID, String.Format("ONLINE:{0}>>", cid));
}
});
foreach (MessageInfo undmessage in MessageInfo.GetAllUndelivered(user.UserID))
{
SendToContact(user.UserID, undmessage.MessageText);
UndeliveredMessageInfo.Create(undmessage.MessageID, user.UserID).Remove();
}
break;
case "MESSAGE":
MessageInfo message = new MessageInfo();
message.UserID = user.UserID;
message.MessageText = e.Data;
message.CreatedDate = DateTime.Now;
if (actions["TYPE"][0] == "chat") message.MessageType = MessageTypes.Chat;
else if (actions["TYPE"][0] == "topic") message.MessageType = MessageTypes.Comment;
message.Update();
if (message.MessageID > 0 && actions["TYPE"][0] == "topic")
{
int tid = int.Parse(actions["ID"][0]);
MessageInTopicInfo.Create(message.MessageID, tid).Add();
}
int iid;
foreach (string id in actions["TO"])
{
if (int.TryParse(id, out iid) && user.Contacts.Contains(iid))
{
bool isOnline = Users.Exists(c => c.UserID == iid);
//save as undelivered
if (message.MessageID > 0 && !isOnline)
UndeliveredMessageInfo.Create(message.MessageID, iid).Add();
//dispatch message
if (isOnline)
{
OnlineUser contact = Users.Single(c => c.UserID == iid);
contact.Connection.Send(e.Data);
}
}
}
break;
case "TOPICGET":
TopicInfo topicinfo = TopicInfo.Get(int.Parse(actions["ID"][0]));
List<UserInTopicInfo> usersintopic = UserInTopicInfo.GetByTopic(topicinfo.TopicID);
List<string> ids = new List<string>(),
mentors = new List<string>();
usersintopic.ForEach(delegate(UserInTopicInfo uit) { ids.Add(uit.UserID.ToString()); if (uit.UserTopicRole == UserTopicRoles.Mentor) mentors.Add(uit.UserID.ToString()); });
user.Connection.Send(string.Format("TOPIC:TO({0}),MENTORS({1}),TOPICID({2})>>{3}", string.Join("|", ids.ToArray()), string.Join("|", mentors.ToArray()), topicinfo.TopicID, topicinfo.TopicText));
foreach(MessageInfo topicmessageinfo in MessageInfo.GetByTopic(topicinfo.TopicID))
{
user.Connection.Send(topicmessageinfo.MessageText);
}
break;
case "TOPIC":
TopicInfo info = new TopicInfo();
info.TopicText = data;
info.Update();
for (int i = 0; i < actions["TO"].Length; i++)
{
UserInTopicInfo usertopic = new UserInTopicInfo();
usertopic.UserID = int.Parse(actions["TO"][i]);
usertopic.TopicID = info.TopicID;
usertopic.UserTopicRole = (actions["MENTORS"].Contains(actions["TO"][i]) ? UserTopicRoles.Mentor : UserTopicRoles.User);
usertopic.Add();
}
actions.Add("TOPICID", new string[] { info.TopicID.ToString() });
string newdata = combine();
foreach (string id in actions["TO"])
{
if (int.TryParse(id, out iid) && iid != user.UserID && Users.Exists(c => c.UserID == iid))
{
OnlineUser contact = Users.Single(c => c.UserID == iid);
contact.Connection.Send(newdata);
}
}
user.Connection.Send(string.Format("TOPICREF:ID({0}),REF({1})>>{2}", info.TopicID, actions["REF"][0], info.GetTitle()));
break;
case "TOPICEDIT":
topicinfo = TopicInfo.Get(int.Parse(actions["ID"][0]));
topicinfo.TopicText = data;
topicinfo.Update();
UserInfo.GetByTopic(topicinfo.TopicID).ForEach(delegate(UserInfo u) { SendToContact(u.UserID, e.Data); });
break;
case "SETUSERS":
int setusersid = int.Parse(actions["ID"][0]);
string setusersdata = "";
if (actions["TYPE"][0] == "topic")
{
setusersdata = TopicInfo.Get(setusersid).GetTitle();
}
foreach (string setusersrej in actions["OLDUSERS"])
{
if (string.IsNullOrEmpty(setusersrej)) continue;
if (actions["TYPE"][0] == "topic")
{
UserInTopicInfo uintop = new UserInTopicInfo();
uintop.TopicID = setusersid;
uintop.UserID = int.Parse(setusersrej);
uintop.Remove();
}
SendToContact(int.Parse(setusersrej), string.Format("LEAVE:ID({0}),TYPE({1})>>", setusersid, actions["TYPE"][0]));
}
foreach (string setusersnew in actions["NEWUSERS"])
{
if (string.IsNullOrEmpty(setusersnew)) continue;
if (actions["TYPE"][0] == "topic")
{
UserInTopicInfo uintop = new UserInTopicInfo();
uintop.TopicID = setusersid;
uintop.UserID = int.Parse(setusersnew);
uintop.UserTopicRole = (actions["MENTORS"].Contains(setusersnew) ? UserTopicRoles.Mentor : UserTopicRoles.User);
uintop.Add();
}
SendToContact(int.Parse(setusersnew), string.Format("INVITED:ID({0}),TYPE({1})>>{2}", setusersid, actions["TYPE"][0], setusersdata));
}
TopicInfo.CheckForEmptyTopicByID(setusersid);
break;
case "ATTACHMENT":
int attachmenttotopicid = int.Parse(actions["ID"][0]);
AttachmentInfo attach = new AttachmentInfo();
attach.AttachmentData = data;;
attach.AttachmentType = AttachmentTypes.Link;
attach.Update();
AttachmentInTopicInfo.Create(attachmenttotopicid, attach.AttachmentID).Add();
actions.Add("AID", new string[] { attach.AttachmentID.ToString() });
var newattachdata = combine();
UserInfo.GetByTopic(attachmenttotopicid).ForEach(delegate(UserInfo u) { SendToContact(u.UserID, newattachdata); });
break;
case "ATTACHMENTGET":
AttachmentInfo.GetByTopic(int.Parse(actions["ID"][0])).ForEach(delegate(AttachmentInfo a) { user.Connection.Send("ATTACHMENT:ID(" + actions["ID"][0] + "),AID("+a.AttachmentID.ToString()+"),TYPE(link)>>" + a.AttachmentData); });
break;
case "ATTACHMENTREMOVE":
attachmenttotopicid = int.Parse(actions["ID"][0]);
iid = int.Parse(actions["AID"][0]);
AttachmentInfo attmoveinfo = new AttachmentInfo();
attmoveinfo.AttachmentID = iid;
attmoveinfo.Remove();
UserInfo.GetByTopic(attachmenttotopicid).ForEach(delegate(UserInfo u) { SendToContact(u.UserID, e.Data); });
break;
}
}