Edited Command System, added Help Command

src/main/java/com/bbn/hadder/Hadder.java

@@ -5,6 +5,7 @@ import com.bbn.hadder.commands.fun.GifCommand;
 import com.bbn.hadder.commands.misc.GitHubCommand;
 import com.bbn.hadder.commands.moderation.*;
 import com.bbn.hadder.commands.owner.ShutdownCommand;
+import com.bbn.hadder.commands.owner.TestCommand;
 import com.bbn.hadder.commands.settings.PrefixCommand;
 import com.bbn.hadder.core.CommandHandler;
 import com.bbn.hadder.listener.*;
@@ -46,7 +47,7 @@ public class Hadder {
         builder.setToken(config.getString("Token"));
 
 
-        CommandHandler.cmdlist.addAll(List.of(new TestCommand(), new BanCommand(), new PrefixCommand(), new ShutdownCommand(), new KickCommand(), new PingCommand(), new GifCommand(), new ClearCommand(), new GitHubCommand()));
+        CommandHandler.cmdlist.addAll(List.of(new HelpCommand(), new TestCommand(), new BanCommand(), new PrefixCommand(), new ShutdownCommand(), new KickCommand(), new PingCommand(), new GifCommand(), new ClearCommand(), new GitHubCommand()));
 
         builder.addEventListeners(
                 new MentionListener(),

src/main/java/com/bbn/hadder/Rethink.java

@@ -1,10 +1,10 @@
 package com.bbn.hadder;
 
+import com.google.gson.JsonParser;
 import com.rethinkdb.RethinkDB;
 import com.rethinkdb.gen.exc.ReqlOpFailedError;
 import com.rethinkdb.net.Connection;
 import com.rethinkdb.net.Cursor;
-import com.google.gson.JsonParser;
 
 import java.util.NoSuchElementException;
 

src/main/java/com/bbn/hadder/commands/Command.java

@@ -9,4 +9,6 @@ import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
 public interface Command {
     void executed(String[] args, MessageReceivedEvent event);
     String[] labels();
+    String description();
+    String usage();
 }

src/main/java/com/bbn/hadder/commands/fun/GifCommand.java

@@ -63,4 +63,14 @@ public class GifCommand implements Command {
     public String[] labels() {
         return new String[]{"gif"};
     }
+
+    @Override
+    public String description() {
+        return "Displays a gif";
+    }
+
+    @Override
+    public String usage() {
+        return labels()[0]+" <Searchterm>";
+    }
 }

src/main/java/com/bbn/hadder/commands/general/HelpCommand.java

@@ -0,0 +1,54 @@
+package com.bbn.hadder.commands.general;
+
+import com.bbn.hadder.commands.Command;
+import com.bbn.hadder.core.CommandHandler;
+import com.bbn.hadder.utils.MessageEditor;
+import net.dv8tion.jda.api.EmbedBuilder;
+import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+
+public class HelpCommand implements Command {
+    @Override
+    public void executed(String[] args, MessageReceivedEvent event) {
+        if (args.length==0) {
+            HashMap<String, ArrayList<Command>> hashMap = new HashMap<>();
+            for (Command cmd : CommandHandler.cmdlist) {
+                if (!hashMap.containsKey(cmd.getClass().getPackageName())) {
+                    ArrayList<Command> cmdlist = new ArrayList<>();
+                    cmdlist.add(cmd);
+                    hashMap.put(cmd.getClass().getPackageName(), cmdlist);
+                } else {
+                    hashMap.get(cmd.getClass().getPackageName()).add(cmd);
+                }
+            }
+            EmbedBuilder eb = new EmbedBuilder();
+            for (Map.Entry<String, ArrayList<Command>> entry : hashMap.entrySet()) {
+                if (!entry.getKey().endsWith("owner")||(entry.getKey().endsWith("owner")&&(event.getAuthor().getId().equals("477141528981012511") || event.getAuthor().getId().equals("261083609148948488")))) {
+                    StringBuilder sb = new StringBuilder();
+                    for (int i = 0; i < entry.getValue().size(); i++) {
+                        Command cmd = entry.getValue().get(i);
+                        sb.append("`" + cmd.labels()[0] + "`");
+                        if (i < entry.getValue().size() - 1) sb.append(", ");
+                    }
+                    String[] packagesplit = entry.getKey().split(".");
+                    eb.addField(packagesplit[packagesplit.length - 1], sb.toString(), false);
+                }
+            }
+            new MessageEditor().setDefaultSettings(MessageEditor.Messagetype.INFO, eb);
+
+        }
+    }
+
+    @Override
+    public String[] labels() {
+        return new String[]{"help"};
+    }
+
+    @Override
+    public String description() {
+        return "Shows every Command or explains a Command";
+    }
+}

src/main/java/com/bbn/hadder/commands/general/PingCommand.java

@@ -23,4 +23,14 @@ public class PingCommand implements Command {
     public String[] labels() {
         return new String[]{"ping"};
     }
+
+    @Override
+    public String description() {
+        return "Shows the ping to the discord api";
+    }
+
+    @Override
+    public String usage() {
+        return labels()[0];
+    }
 }

src/main/java/com/bbn/hadder/commands/misc/GitHubCommand.java

@@ -73,4 +73,14 @@ public class GitHubCommand implements Command {
     public String[] labels() {
         return new String[]{"GitHub"};
     }
+
+    @Override
+    public String description() {
+        return "Shows info of an user";
+    }
+
+    @Override
+    public String usage() {
+        return labels()[0]+" <Username>";
+    }
 }

src/main/java/com/bbn/hadder/commands/moderation/BanCommand.java

@@ -52,4 +52,14 @@ public class BanCommand implements Command {
     public String[] labels() {
         return new String[]{"ban"};
     }
+
+    @Override
+    public String description() {
+        return "Bans an user";
+    }
+
+    @Override
+    public String usage() {
+        return labels()[0]+" <@User>";
+    }
 }

src/main/java/com/bbn/hadder/commands/moderation/ClearCommand.java

@@ -59,4 +59,14 @@ public class ClearCommand implements Command {
     public String[] labels() {
         return new String[]{"clear"};
     }
+
+    @Override
+    public String description() {
+        return "Clears messages";
+    }
+
+    @Override
+    public String usage() {
+        return labels()[0]+" <Number>";
+    }
 }

src/main/java/com/bbn/hadder/commands/moderation/KickCommand.java

@@ -49,4 +49,14 @@ public class KickCommand implements Command {
     public String[] labels() {
         return new String[]{"kick"};
     }
+
+    @Override
+    public String description() {
+        return "Kicks an user";
+    }
+
+    @Override
+    public String usage() {
+        return labels()[0]+" <@User>";
+    }
 }

src/main/java/com/bbn/hadder/commands/owner/ShutdownCommand.java

@@ -29,4 +29,14 @@ public class ShutdownCommand implements Command {
     public String[] labels() {
         return new String[]{"shutdown"};
     }
+
+    @Override
+    public String description() {
+        return "Shuts the Bot down";
+    }
+
+    @Override
+    public String usage() {
+        return labels()[0];
+    }
 }

src/main/java/com/bbn/hadder/commands/owner/TestCommand.java

@@ -21,4 +21,14 @@ public class TestCommand implements Command {
     public String[] labels() {
         return new String[]{"test"};
     }
+
+    @Override
+    public String description() {
+        return "Sub to bbn";
+    }
+
+    @Override
+    public String usage() {
+        return labels()[0];
+    }
 }

src/main/java/com/bbn/hadder/commands/settings/PrefixCommand.java

@@ -8,7 +8,6 @@ import com.bbn.hadder.Rethink;
 import com.bbn.hadder.commands.Command;
 import com.bbn.hadder.utils.MessageEditor;
 import net.dv8tion.jda.api.EmbedBuilder;
-import net.dv8tion.jda.api.Permission;
 import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
 
 
@@ -36,4 +35,14 @@ public class PrefixCommand implements Command {
     public String[] labels() {
         return new String[]{"prefix"};
     }
+
+    @Override
+    public String description() {
+        return "Changes the prefix";
+    }
+
+    @Override
+    public String usage() {
+        return labels()[0]+" <New Prefix>";
+    }
 }