Added a moderator purge command

src/main/java/com/diamondfire/helpbot/bot/HelpBotInstance.java

@@ -127,7 +127,8 @@ public static void initialize() throws LoginException {
                 new EightBallCommand(),
                 new OcrCommand(),
                 new JoinsCommand(),
-                new TagCommand()
+                new TagCommand(),
+                new PurgeCommand()
         );
 
         JDABuilder builder = JDABuilder.createDefault(config.getToken())

src/main/java/com/diamondfire/helpbot/bot/command/impl/other/mod/PurgeCommand.java

@@ -0,0 +1,58 @@
+package com.diamondfire.helpbot.bot.command.impl.other.mod;
+
+import com.diamondfire.helpbot.bot.command.argument.ArgumentSet;
+import com.diamondfire.helpbot.bot.command.argument.impl.types.*;
+import com.diamondfire.helpbot.bot.command.help.*;
+import com.diamondfire.helpbot.bot.command.impl.Command;
+import com.diamondfire.helpbot.bot.command.permissions.Permission;
+import com.diamondfire.helpbot.bot.command.reply.PresetBuilder;
+import com.diamondfire.helpbot.bot.command.reply.feature.informative.*;
+import com.diamondfire.helpbot.bot.events.CommandEvent;
+import net.dv8tion.jda.api.entities.*;
+
+public class PurgeCommand extends Command {
+
+    @Override public String getName() { return "purge"; }
+
+    @Override
+    public HelpContext getHelpContext() {
+        return new HelpContext()
+                .description("Removes the most recent messages sent in a channel. Maximum 100 messages.")
+                .category(CommandCategory.OTHER)
+                .addArgument(
+                        new HelpContextArgument()
+                                .name("count")
+                );
+    }
+
+    @Override
+    protected ArgumentSet compileArguments() {
+        return new ArgumentSet()
+                .addArgument("count",
+                        new IntegerArgument());
+    }
+
+    @Override
+    public Permission getPermission() {
+        return Permission.MODERATION;
+    }
+
+    @Override
+    public void run(CommandEvent event) {
+        PresetBuilder builder = new PresetBuilder();
+
+        int messagesToRemove = event.getArgument("count");
+
+        if (messagesToRemove > 100 || messagesToRemove < 2) {
+            builder.withPreset(
+                    new InformativeReply(InformativeReplyType.ERROR, "Message count not within 2 to 100.")
+            );
+            event.reply(builder);
+        } else {
+            TextChannel channel = event.getChannel();
+            channel.getHistory().retrievePast(messagesToRemove).queue((messages) -> {
+                channel.deleteMessages(messages).queue();
+            });
+        }
+    }
+}

src/main/java/com/diamondfire/helpbot/sys/message/acceptors/TagAcceptor.java

@@ -17,7 +17,7 @@ public boolean accept(Message message) {
             try {
                 // Get Tag and send response
                 Tag tag = TagHandler.getTag(parsedText);
-                tag.sendResponse(message.getTextChannel());
+                tag.sendResponse(message.getTextChannel(), message.getAuthor());
 
                 // Delete origin message
                 message.delete().queue();

src/main/java/com/diamondfire/helpbot/sys/tag/Tag.java

@@ -71,14 +71,14 @@ public JsonObject asJson() {
         return json;
     }
 
-    public void sendResponse(TextChannel channel) {
+    public void sendResponse(TextChannel channel, User requester) {
         User user = channel.getJDA().retrieveUserById(getAuthorId()).complete();
 
         EmbedBuilder embed = new EmbedBuilder()
-                .setTitle(getTitle())
+                .setTitle(getTitle()+" (*"+user.getAsTag()+"*)")
                 .setDescription(getResponse()+"\n\u200b")
                 .setColor(0x969dba)
-                .setFooter("Written by "+user.getAsTag(), user.getAvatarUrl());
+                .setFooter("Executed by "+requester.getAsTag(), user.getAvatarUrl());
         if (!getImage().equals("")) embed.setImage(getImage());
 
         channel.sendMessageEmbeds(embed.build()).queue();