Command system fixes

In encounter order:
Lowercasing message first character on the sender
Command sender fixes
Mention deleting fixed if there is no space
Added error handler to the message receive event
Converted role command

src/main/java/buttondevteam/discordplugin/commands/Command2DCSender.java

@@ -12,11 +12,14 @@ public class Command2DCSender implements Command2Sender {
 
 	@Override
 	public void sendMessage(String message) {
-		this.message.reply(DPUtils.sanitizeString(message));
+		if (message.length() == 0) return;
+		message = DPUtils.sanitizeString(message);
+		message = Character.toLowerCase(message.charAt(0)) + message.substring(1);
+		this.message.reply(message);
 	}
 
 	@Override
 	public void sendMessage(String[] message) {
-		this.message.reply(DPUtils.sanitizeString(String.join("\n", message)));
+		sendMessage(String.join("\n", message));
 	}
 }

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

@@ -8,10 +8,10 @@ import buttondevteam.lib.chat.CommandClass;
 import buttondevteam.lib.player.TBMCPlayer;
 import buttondevteam.lib.player.TBMCPlayerBase;
 import com.google.common.collect.HashBiMap;
+import lombok.val;
 import org.bukkit.Bukkit;
 import org.bukkit.OfflinePlayer;
 import org.bukkit.entity.Player;
-import sx.blah.discord.handle.obj.IMessage;
 
 @CommandClass(helpText = {
 	"Connect command", //
@@ -26,7 +26,8 @@ public class ConnectCommand extends ICommand2DC {
 	public static HashBiMap<String, String> WaitingToConnect = HashBiMap.create();
 
 	@Command2.Subcommand
-	public boolean def(IMessage message, String Minecraftname) {
+	public boolean def(Command2DCSender sender, String Minecraftname) {
+		val message = sender.getMessage();
 		if (WaitingToConnect.inverse().containsKey(message.getAuthor().getStringID())) {
 			DiscordPlugin.sendMessageToChannel(message.getChannel(),
 				"Replacing " + WaitingToConnect.inverse().get(message.getAuthor().getStringID()) + " with " + Minecraftname);

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

@@ -4,18 +4,17 @@ import buttondevteam.discordplugin.DiscordPlugin;
 import buttondevteam.discordplugin.listeners.CommonListeners;
 import buttondevteam.lib.chat.Command2;
 import buttondevteam.lib.chat.CommandClass;
-import sx.blah.discord.handle.obj.IMessage;
 
 @CommandClass(helpText = {
 	"Switches debug mode."
 })
 public class DebugCommand extends ICommand2DC {
 	@Command2.Subcommand
-	public boolean def(IMessage message, String args) {
+	public boolean def(Command2DCSender sender, String args) {
-		if (message.getAuthor().hasRole(DiscordPlugin.mainServer.getRoleByID(126030201472811008L))) //TODO: Make configurable
+		if (sender.getMessage().getAuthor().hasRole(DiscordPlugin.mainServer.getRoleByID(126030201472811008L))) //TODO: Make configurable
-	        message.reply("Debug " + (CommonListeners.debug() ? "enabled" : "disabled"));
+			sender.sendMessage("debug " + (CommonListeners.debug() ? "enabled" : "disabled"));
         else
-            message.reply("You need to be a moderator to use this command.");
+			sender.sendMessage("you need to be a moderator to use this command.");
         return true;
     }
 }

src/main/java/buttondevteam/discordplugin/listeners/CommandListener.java

@@ -53,6 +53,9 @@ public class CommandListener {
 		if (message.getContent().startsWith(mention)) // TODO: Resolve mentions: Compound arguments, either a mention or text
 			if (cmdwithargs.length() > mention.length() + 1) {
 				int i = cmdwithargs.indexOf(" ", mention.length());
+				if (i == -1)
+					i = mention.length();
+				else
 					//noinspection StatementWithEmptyBody
 					for (; i < cmdwithargs.length() && cmdwithargs.charAt(i) == ' '; i++)
 						; //Removes any space before the command

src/main/java/buttondevteam/discordplugin/listeners/CommonListeners.java

@@ -5,6 +5,7 @@ import buttondevteam.discordplugin.DiscordPlugin;
 import buttondevteam.discordplugin.fun.FunModule;
 import buttondevteam.discordplugin.mcchat.MinecraftChatModule;
 import buttondevteam.discordplugin.role.GameRoleModule;
+import buttondevteam.lib.TBMCCoreAPI;
 import buttondevteam.lib.architecture.Component;
 import lombok.val;
 import sx.blah.discord.api.events.IListener;
@@ -35,6 +36,7 @@ public class CommonListeners {
 					return;
 				if (FunModule.executeMemes(event.getMessage()))
 					return;
+				try {
 					boolean handled = false;
 					if (event.getChannel().getLongID() == DiscordPlugin.plugin.CommandChannel().get().getLongID() //If mentioned, that's higher than chat
 						|| event.getMessage().getContent().contains("channelcon")) //Only 'channelcon' is allowed in other channels
@@ -45,6 +47,9 @@ public class CommonListeners {
 						handled = ((MinecraftChatModule) mcchat).getListener().handleDiscord(event); //Also runs Discord commands in chat channels
 					if (!handled)
 						handled = CommandListener.runCommand(event.getMessage(), false);
+				} catch (Exception e) {
+					TBMCCoreAPI.SendException("An error occured while handling a message!", e);
+				}
 			}
 		}, new IListener<sx.blah.discord.handle.impl.events.user.PresenceUpdateEvent>() {
 			@Override

src/main/java/buttondevteam/discordplugin/role/RoleCommand.java

@@ -2,18 +2,18 @@ package buttondevteam.discordplugin.role;
 
 import buttondevteam.discordplugin.DPUtils;
 import buttondevteam.discordplugin.DiscordPlugin;
+import buttondevteam.discordplugin.commands.Command2DCSender;
 import buttondevteam.discordplugin.commands.ICommand2DC;
 import buttondevteam.lib.TBMCCoreAPI;
 import buttondevteam.lib.chat.Command2;
 import buttondevteam.lib.chat.CommandClass;
-import sx.blah.discord.handle.obj.IMessage;
 import sx.blah.discord.handle.obj.IRole;
 
 import java.util.List;
 import java.util.stream.Collectors;
 
 @CommandClass
-public class RoleCommand extends ICommand2DC { //TODO
+public class RoleCommand extends ICommand2DC {
 
 	private GameRoleModule grm;
 
@@ -21,78 +21,64 @@ public class RoleCommand extends ICommand2DC { //TODO
 		this.grm = grm;
 	}
 
-	@Command2.Subcommand
+	@Command2.Subcommand(helpText = {
-	public boolean def(IMessage message, String args) {
+		"Add role",
-        if (args.length() == 0)
+		"This command adds a role to your account."
-            return false;
+	})
-        String[] argsa = splitargs(args);
+	public boolean add(Command2DCSender sender, @Command2.TextArg String rolename) {
-        if (argsa[0].equalsIgnoreCase("add")) {
+		final IRole role = checkAndGetRole(sender, rolename);
-	        final IRole role = checkAndGetRole(message, argsa, "This command adds a role to your account.");
 		if (role == null)
 			return true;
 		try {
-                DPUtils.perform(() -> message.getAuthor().addRole(role));
+			DPUtils.perform(() -> sender.getMessage().getAuthor().addRole(role));
-	            DiscordPlugin.sendMessageToChannel(message.getChannel(), "Added role.");
+			sender.sendMessage("added role.");
 		} catch (Exception e) {
 			TBMCCoreAPI.SendException("Error while adding role!", e);
-                DiscordPlugin.sendMessageToChannel(message.getChannel(), "An error occured while adding the role.");
+			sender.sendMessage("an error occured while adding the role.");
 		}
-        } else if (argsa[0].equalsIgnoreCase("remove")) {
+		return true;
-	        final IRole role = checkAndGetRole(message, argsa, "This command removes a role from your account.");
+	}
+
+	@Command2.Subcommand(helpText = {
+		"Remove role",
+		"This command removes a role from your account."
+	})
+	public boolean remove(Command2DCSender sender, @Command2.TextArg String rolename) {
+		final IRole role = checkAndGetRole(sender, rolename);
 		if (role == null)
 			return true;
 		try {
-                DPUtils.perform(() -> message.getAuthor().removeRole(role));
+			DPUtils.perform(() -> sender.getMessage().getAuthor().removeRole(role));
-	            DiscordPlugin.sendMessageToChannel(message.getChannel(), "Removed role.");
+			sender.sendMessage("removed role.");
 		} catch (Exception e) {
 			TBMCCoreAPI.SendException("Error while removing role!", e);
-                DiscordPlugin.sendMessageToChannel(message.getChannel(), "An error occured while removing the role.");
+			sender.sendMessage("an error occured while removing the role.");
 		}
-        } else if (argsa[0].equalsIgnoreCase("list")) {
-            listRoles(message);
-        } else return false;
 		return true;
 	}
 
-    private void listRoles(IMessage message) {
+	@Command2.Subcommand
-        DiscordPlugin.sendMessageToChannel(message.getChannel(),
+	public void list(Command2DCSender sender) {
-	        "List of roles:\n" + grm.GameRoles.stream().sorted().collect(Collectors.joining("\n")));
+		sender.sendMessage("list of roles:\n" + grm.GameRoles.stream().sorted().collect(Collectors.joining("\n")));
     }
 
-    private IRole checkAndGetRole(IMessage message, String[] argsa, String usage) {
+	private IRole checkAndGetRole(Command2DCSender sender, String rolename) {
-        if (argsa.length < 2) {
+		if (!grm.GameRoles.contains(rolename)) {
-            DiscordPlugin.sendMessageToChannel(message.getChannel(), usage + "\nUsage: " + argsa[0] + " <rolename>");
+			sender.sendMessage("that role cannot be found.");
+			list(sender);
             return null;
         }
-        StringBuilder rolename = new StringBuilder(argsa[1]);
+		final List<IRole> roles = DiscordPlugin.mainServer.getRolesByName(rolename);
-        for (int i = 2; i < argsa.length; i++)
-            rolename.append(" ").append(argsa[i]);
-	    if (!grm.GameRoles.contains(rolename.toString())) {
-	        DiscordPlugin.sendMessageToChannel(message.getChannel(), "That role cannot be found.");
-            listRoles(message);
-            return null;
-        }
-        final List<IRole> roles = DiscordPlugin.mainServer.getRolesByName(rolename.toString());
         if (roles.size() == 0) {
-            DiscordPlugin.sendMessageToChannel(message.getChannel(),
+	        sender.sendMessage("the specified role cannot be found on Discord! Removing from the list.");
-                    "The specified role cannot be found on Discord! Removing from the list.");
+	        grm.GameRoles.remove(rolename);
-	        grm.GameRoles.remove(rolename.toString());
             return null;
         }
         if (roles.size() > 1) {
-            DiscordPlugin.sendMessageToChannel(message.getChannel(),
+	        sender.sendMessage("there are multiple roles with this name. Why are there multiple roles with this name?");
-                    "There are more roles with this name. Why are there more roles with this name?");
             return null;
         }
         return roles.get(0);
     }
 
-    @Override
-    public String[] getHelpText() {
-        return new String[]{ //
-	        "Add or remove roles from yourself.", //
-                "Usage: " + DiscordPlugin.getPrefix() + "role add|remove <name> or role list", //
-        };
-    }
-
 }