src/de/steamwar/bungeecore/BungeeCore.java

@@ -214,7 +214,7 @@ public class BungeeCore extends Plugin {
                 return;
             }
             config = ConfigurationProvider.getProvider(YamlConfiguration.class).load(configFile);
-        }catch(IOException e){
+        }catch(Exception e){
             log("Could not save/load config.yml", e);
             ProxyServer.getInstance().stop();
             return;

src/de/steamwar/bungeecore/commands/WhoisCommand.java

@@ -26,6 +26,8 @@ import net.md_5.bungee.api.CommandSender;
 import net.md_5.bungee.api.chat.ClickEvent;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
 
+import java.text.DecimalFormat;
+
 public class WhoisCommand extends BasicCommand {
     public WhoisCommand(){
         super("whois", "bungeecore.teamchat");
@@ -38,19 +40,32 @@ public class WhoisCommand extends BasicCommand {
         ProxiedPlayer player = (ProxiedPlayer) sender;
 
         if(args.length == 0){
-            BungeeCore.send(player, BungeeCore.CHAT_PREFIX + "§c/whois [Spieler]");
+            BungeeCore.send(player, BungeeCore.CHAT_PREFIX + "§c/whois [Spieler/ID]");
             return;
         }
 
         SteamwarUser user = SteamwarUser.get(args[0]);
         if(user == null){
-            BungeeCore.send(player, BungeeCore.CHAT_PREFIX + "§cUnbekannter Spieler.");
+            try {
+                int id = Integer.parseInt(args[0]);
+                user = SteamwarUser.get(id);
+            }catch (NumberFormatException ignored) {}
+        }
+
+        if(user == null) {
+            BungeeCore.send(player, BungeeCore.CHAT_PREFIX + "§cUnbekannter Spieler!");
             return;
         }
 
+        sendUserinfo(player, user);
+    }
+
+    private static void sendUserinfo(ProxiedPlayer player, SteamwarUser user) {
         BungeeCore.send(player, "§7Username§8: §e" + user.getUserName());
         BungeeCore.send(player, "§7UUID§8: §e" + user.getUuid().toString(), "", new ClickEvent(ClickEvent.Action.SUGGEST_COMMAND, user.getUuid().toString()));
         BungeeCore.send(player, "§7ID§8: §e" + user.getId());
+        BungeeCore.send(player, "§7Beigetreten am§8: §e" + user.getFirstjoin().toString());
+        BungeeCore.send(player, "§7Online Time§8: §e" + new DecimalFormat("###.##").format(user.getOnlinetime() / (double) 3600) + "h");
 
         Team team = Team.get(user.getTeam());
         BungeeCore.send(player, "§7Team§8: §e" + team.getTeamName());

src/de/steamwar/bungeecore/sql/SteamwarUser.java

@@ -233,4 +233,25 @@ public class SteamwarUser {
             throw new SecurityException(e);
         }
     }
+
+    public double getOnlinetime() {
+        ResultSet set = SQL.select("SELECT SUM(UNIX_TIMESTAMP(EndTime) - UNIX_TIMESTAMP(StartTime)) as Playtime FROM Session WHERE UserID = ?", id);
+        try {
+            set.next();
+            return set.getBigDecimal("Playtime").doubleValue();
+        } catch (SQLException throwables) {
+            throwables.printStackTrace();
+        }
+        return 0;
+    }
+
+    public Timestamp getFirstjoin() {
+        ResultSet set = SQL.select("SELECT MIN(StartTime) AS FirstJoin FROM Session WHERE UserID = ?", id);
+        try {
+            set.next();
+            return set.getTimestamp("FirstJoin");
+        } catch (SQLException throwables) {
+            throw new SecurityException("Could not load First Join");
+        }
+    }
 }