private void DataOntvangenVanClient(ConnectedClient client, string data)
{
txtOntvangen.Text += data + Environment.NewLine;
string[] data2 = data.Split(';');
switch (data2[0])
{
case "Login":
DataRow[] rijen = ChatDatabase.Tables[0].Select("gebruikersnaam='" + data2[1] + "'", "id ASC");
if (rijen.Length == 0)
{
client.Write("Gebruiker bestaat niet");
}
else if (rijen.First().Field <string>(2) == data2[2])
{
lstGebruikers.Items.Add(data2[1]);
client.User_ID = rijen.First().Field <int>(0);
client.Write("Ingelogd;" + client.User_ID.ToString() + "," + data2[1]);
foreach (ConnectedClient cl in Clients)
{
if (cl.CanWrite & (cl.User_ID != -1))
{
cl.Write(string.Join(";", (new string[] { "Online users" }).Union(Clients
.Except(new ConnectedClient[] { cl })
.Where(T => T.User_ID != -1)
.Select(T => T.User_ID + "," + ChatDatabase.Tables[0].Select("id=" + T.User_ID.ToString(), "id ASC").First().Field <string>(1))
).ToArray()));
}
}
}
else
{
client.Write("Foutief wachtwoord");
}
break;
case "Logout":
client.Write("Uitgelogd");
lstGebruikers.Items.Remove(ChatDatabase.Tables[0].Select("id=" + client.User_ID.ToString()).First().Field <string>(1));
client.User_ID = -1;
foreach (ConnectedClient cl in Clients.Except(new ConnectedClient[] { client }))
{
if (cl.CanWrite & (cl.User_ID != -1))
{
cl.Write(string.Join(";", (new string[] { "Online users" }).Union(Clients
.Except(new ConnectedClient[] { cl })
.Where(T => T.User_ID != -1)
.Select(T => T.User_ID + "," + ChatDatabase.Tables[0].Select("id=" + T.User_ID.ToString(), "id ASC").First().Field <string>(1))
).ToArray()));
}
}
client.DataOntvangen -= Client_DataOntvangen;
client.StopListening();
break;
case "Registreer":
DataRow[] rijen2 = ChatDatabase.Tables[0].Select("gebruikersnaam='" + data2[1] + "'", "id ASC");
if (data2[1].Replace(" ", "").Replace("\r", "").Replace("\n", "").Replace("\t", "") == "")
{
client.Write("Geef een gebruikersnaam op");
}
else if (data2[2].Replace(" ", "").Replace("\r", "").Replace("\n", "").Replace("\t", "") == "")
{
client.Write("Geef een wachtwoord op");
}
else if (rijen2.Length == 0)
{
DataRow nieuw = ChatDatabase.Tables[0].NewRow();
nieuw.SetField <string>(1, data2[1]);
nieuw.SetField <string>(2, data2[2]);
ChatDatabase.Tables[0].Rows.Add(nieuw);
client.Write("Gebruiker aangemaakt");
ChatDatabase.WriteXml(db_file);
}
else
{
client.Write("Gebruikersnaam niet meer beschikbaar");
}
break;
case "Bericht":
// Bericht;ik.id;ik.user;dest.id;bericht
ConnectedClient[] dest = Clients.Where(T => T.User_ID == Convert.ToInt32(data2[3])).ToArray();
if (dest.Length == 1)
{
dest[0].Write(data);
}
DataRow nieuw2 = ChatDatabase.Tables[1].NewRow();
nieuw2.SetField <int>(1, Convert.ToInt32(data2[1]));
nieuw2.SetField <int>(2, Convert.ToInt32(data2[3]));
nieuw2.SetField <string>(3, data2[4]);
//nieuw2.SetField<bool>(4, dest.Length == 1);
//nieuw2.SetField<bool>(5, false);
ChatDatabase.Tables[1].Rows.Add(nieuw2);
ChatDatabase.WriteXml(db_file);
break;
}
}
