Added and fixed a bunch of things

- Added exception handler to Discord commands
- Added retry code for getting guilds/servers
- Added max message length for exception sending to Discord
- Made the connect message only appear in Minecraft when needed
- Fixed status formatting in userinfo
- Improved userinfo command
- Other fixes and improvements

src/main/java/buttondevteam/discordplugin/DiscordPlugin.java

@@ -74,8 +74,13 @@ public class DiscordPlugin extends JavaPlugin implements IListener<ReadyEvent> {
 	@Override
 	public void handle(ReadyEvent event) {
 		try {
-			final IGuild mainServer = event.getClient().getGuildByID("125813020357165056");
-			final IGuild devServer = event.getClient().getGuildByID("219529124321034241");
+			IGuild mainServer;
+			IGuild devServer;
+			do {
+				mainServer = event.getClient().getGuildByID("125813020357165056");
+				devServer = event.getClient().getGuildByID("219529124321034241");
+				Thread.sleep(100);
+			} while (mainServer == null || devServer == null);
 			if (!Test) {
 				botchannel = mainServer.getChannelByID("209720707188260864"); // bot
 				annchannel = mainServer.getChannelByID("126795071927353344"); // announcements

src/main/java/buttondevteam/discordplugin/ExceptionListener.java

@@ -17,7 +17,10 @@ public class ExceptionListener implements Listener {
 			StringBuilder sb = new StringBuilder();
 			sb.append(sourcemessage).append("\n");
 			sb.append("```").append("\n");
-			sb.append(ExceptionUtils.getStackTrace(e)).append("\n");
+			String stackTrace = ExceptionUtils.getStackTrace(e);
+			if (stackTrace.length() > 2000)
+				stackTrace = stackTrace.substring(0, 2000);
+			sb.append(stackTrace).append("\n");
 			sb.append("```");
 			DiscordPlugin.sendMessageToChannel(DiscordPlugin.issuechannel, sb.toString());
 		} catch (Exception ex) {

src/main/java/buttondevteam/discordplugin/MCListener.java

@@ -10,6 +10,7 @@ import buttondevteam.discordplugin.commands.ConnectCommand;
 import buttondevteam.lib.TBMCPlayerGetInfoEvent;
 import buttondevteam.lib.TBMCPlayerJoinEvent;
 import sx.blah.discord.handle.obj.IUser;
+import sx.blah.discord.handle.obj.Status.StatusType;
 
 public class MCListener implements Listener {
 	@EventHandler
@@ -29,9 +30,11 @@ public class MCListener implements Listener {
 	@EventHandler
 	public void onPlayerJoin(TBMCPlayerJoinEvent e) {
 		final Player p = Bukkit.getPlayer(e.GetPlayer().getUuid());
-		p.sendMessage("§bTo connect with the Discord account "
-				+ ConnectCommand.WaitingToConnect.get(e.GetPlayer().getPlayerName()) + " do /discord accept");
-		p.sendMessage("§bIf it wasn't you, do /discord decline");
+		if (ConnectCommand.WaitingToConnect.containsKey(e.GetPlayer().getPlayerName())) {
+			p.sendMessage("§bTo connect with the Discord account "
+					+ ConnectCommand.WaitingToConnect.get(e.GetPlayer().getPlayerName()) + " do /discord accept");
+			p.sendMessage("§bIf it wasn't you, do /discord decline");
+		}
 	}
 
 	@EventHandler
@@ -41,6 +44,12 @@ public class MCListener implements Listener {
 			return;
 		IUser user = DiscordPlugin.dc.getUserByID(dp.getDiscordID());
 		e.addInfo("Discord tag: " + user.getName() + "#" + user.getDiscriminator());
-		e.addInfo("Discord status: " + user.getStatus());
+		if (!user.getStatus().getType().equals(StatusType.NONE)) {
+			if (user.getStatus().getType().equals(StatusType.GAME))
+				e.addInfo("Discord status: Playing " + user.getStatus().getStatusMessage());
+			else if (user.getStatus().getType().equals(StatusType.STREAM))
+				e.addInfo("Discord status: Streaming " + user.getStatus().getStatusMessage() + " - "
+						+ user.getStatus().getUrl());
+		}
 	}
 }

src/main/java/buttondevteam/discordplugin/commands/DiscordCommandBase.java

@@ -3,6 +3,7 @@ package buttondevteam.discordplugin.commands;
 import java.util.HashMap;
 
 import buttondevteam.discordplugin.DiscordPlugin;
+import buttondevteam.lib.TBMCCoreAPI;
 import sx.blah.discord.handle.obj.IMessage;
 
 public abstract class DiscordCommandBase {
@@ -10,7 +11,7 @@ public abstract class DiscordCommandBase {
 
 	public abstract void run(IMessage message, String args);
 
-	private static final HashMap<String, DiscordCommandBase> commands = new HashMap<String, DiscordCommandBase>();
+	static final HashMap<String, DiscordCommandBase> commands = new HashMap<String, DiscordCommandBase>();
 
 	static {
 		commands.put("connect", new ConnectCommand()); // TODO: API for adding commands?
@@ -24,6 +25,12 @@ public abstract class DiscordCommandBase {
 			DiscordPlugin.sendMessageToChannel(message.getChannel(), "Unknown command: " + cmd + " with args: " + args);
 			return;
 		}
-		command.run(message, args);
+		try {
+			command.run(message, args);
+		} catch (Exception e) {
+			TBMCCoreAPI.SendException("An error occured while executing command " + cmd + "!", e);
+			DiscordPlugin.sendMessageToChannel(message.getChannel(),
+					"An internal error occured while executing this command. For more technical details see the server-issues channel on the dev Discord.");
+		}
 	}
 }

src/main/java/buttondevteam/discordplugin/commands/HelpCommand.java

@@ -0,0 +1,21 @@
+package buttondevteam.discordplugin.commands;
+
+import java.util.stream.Collectors;
+
+import buttondevteam.discordplugin.DiscordPlugin;
+import sx.blah.discord.handle.obj.IMessage;
+
+public class HelpCommand extends DiscordCommandBase {
+
+	@Override
+	public String getCommandName() {
+		return "help";
+	}
+
+	@Override
+	public void run(IMessage message, String args) {
+		DiscordPlugin.sendMessageToChannel(message.getChannel(), "Available commands:\n" + DiscordCommandBase.commands
+				.values().stream().map(dc -> dc.getCommandName()).collect(Collectors.joining("\n")));
+	}
+
+}

src/main/java/buttondevteam/discordplugin/commands/UserinfoCommand.java

@@ -40,17 +40,17 @@ public class UserinfoCommand extends DiscordCommandBase {
 					target = ptarget;
 					break;
 				}
-				if (target == null) {
-					DiscordPlugin.sendMessageToChannel(message.getChannel(),
-							"The user cannot be found (by discriminator): " + args + "(Found " + targets.size()
-									+ " users with the name.)");
-					return;
-				}
+			}
+			if (target == null) {
+				DiscordPlugin.sendMessageToChannel(message.getChannel(), "The user cannot be found (by discriminator): "
+						+ args + "(Found " + targets.size() + " users with the name.)");
+				return;
 			}
 		} else {
 			final List<IUser> targets = message.getGuild().getUsersByName(args, true);
 			if (targets.size() == 0) {
-				DiscordPlugin.sendMessageToChannel(message.getChannel(), "The user cannot be found: " + args);
+				DiscordPlugin.sendMessageToChannel(message.getChannel(),
+						"The user cannot be found on Discord: " + args);
 				return;
 			}
 			if (targets.size() > 1) {
@@ -60,15 +60,20 @@ public class UserinfoCommand extends DiscordCommandBase {
 			}
 			target = targets.get(0);
 		}
+		boolean found = false;
 		for (TBMCPlayer player : TBMCPlayer.getLoadedPlayers().values()) {
 			DiscordPlayer dp = player.asPluginPlayer(DiscordPlayer.class);
 			if (target.getID().equals(dp.getDiscordID())) {
-				StringBuilder uinfo = new StringBuilder("User info for ").append(target.getName()).append(":");
+				StringBuilder uinfo = new StringBuilder("User info for ").append(target.getName()).append(":\n");
 				uinfo.append(player.getInfo(InfoTarget.Discord));
 				DiscordPlugin.sendMessageToChannel(message.getChannel(), uinfo.toString());
+				found = true;
 				break;
 			}
 		}
+		if (!found)
+			DiscordPlugin.sendMessageToChannel(message.getChannel(),
+					"The user is not found in our system (player has to be on the MC server for now)!");
 	}
 
 }