implement chat relay (Discord to minecraft)

aa

pom.xml

@@ -81,5 +81,10 @@
             <version>1.19.3-R0.1-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>net.dv8tion</groupId>
+            <artifactId>JDA</artifactId>
+            <version>5.0.0-beta.11</version>
+        </dependency>
     </dependencies>
 </project>

src/main/java/testplugin/plugin/Commands/setDiscordRelayChannelIdCommand.java

@@ -0,0 +1,23 @@
+package testplugin.plugin.Commands;
+
+import org.bukkit.Bukkit;
+import org.bukkit.Server;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import testplugin.plugin.Events.DiscordRelayChannelIdChangedEvent;
+
+public class setDiscordRelayChannelIdCommand implements CommandExecutor {
+    @Override
+    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
+        if (sender instanceof Player | sender instanceof Server && args.length == 1) {
+            String discordChannelId = args[0];
+            DiscordRelayChannelIdChangedEvent event = new DiscordRelayChannelIdChangedEvent(discordChannelId);
+            Bukkit.getServer().getPluginManager().callEvent(event);
+            sender.sendMessage("Set discord relay channel to " + discordChannelId);
+            return true;
+        }
+        return false;
+    }
+}

src/main/java/testplugin/plugin/Commands/setDiscordTokenCommand.java

@@ -0,0 +1,23 @@
+package testplugin.plugin.Commands;
+
+import org.bukkit.Bukkit;
+import org.bukkit.Server;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import testplugin.plugin.Events.DiscordTokenChangedEvent;
+
+public class setDiscordTokenCommand implements CommandExecutor {
+    @Override
+    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
+        if (sender instanceof Player | sender instanceof Server && args.length == 1) {
+            String discordToken = args[0];
+            DiscordTokenChangedEvent event = new DiscordTokenChangedEvent(discordToken);
+            Bukkit.getServer().getPluginManager().callEvent(event);
+            sender.sendMessage("Set discord bot token to " + discordToken);
+            return true;
+        }
+        return false;
+    }
+}

src/main/java/testplugin/plugin/Commands/setWebhookCommand.java

@@ -6,9 +6,7 @@ import org.bukkit.Server;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandExecutor;
 import org.bukkit.command.CommandSender;
-import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.entity.Player;
-import org.bukkit.plugin.Plugin;
 
 public class setWebhookCommand implements CommandExecutor {
     // This method is called, when somebody uses our command

src/main/java/testplugin/plugin/DiscordMessageEvent.java

@@ -0,0 +1,29 @@
+package testplugin.plugin;
+
+import net.dv8tion.jda.api.entities.*;
+import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
+import net.dv8tion.jda.api.hooks.ListenerAdapter;
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.plugin.Plugin;
+
+import java.util.Objects;
+
+public class DiscordMessageEvent extends ListenerAdapter {
+
+    private Plugin plugin;
+    private Config config;
+
+    public DiscordMessageEvent(Plugin p,Config cfg) {
+        this.plugin = p;
+        this.config = cfg;
+    }
+    @Override
+    public void onMessageReceived(MessageReceivedEvent event) {
+        User author = event.getAuthor();
+        String message = event.getMessage().getContentStripped();
+        if (event.isFromGuild() && !author.isBot() && event.getGuildChannel().getId().equals(config.getValue("discordRelayChannel").toString())) {
+            plugin.getServer().broadcastMessage(ChatColor.DARK_BLUE + "[DISCORD] " + ChatColor.WHITE + author.getEffectiveName() + ": " + message);
+        }
+    }
+}

src/main/java/testplugin/plugin/Events/DiscordRelayChannelIdChangedEvent.java

@@ -0,0 +1,25 @@
+package testplugin.plugin.Events;
+
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+
+public final class DiscordRelayChannelIdChangedEvent extends Event {
+    private static final HandlerList handlers = new HandlerList();
+    private String message;
+
+    public DiscordRelayChannelIdChangedEvent(String msg) {
+        message = msg;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+}

src/main/java/testplugin/plugin/Events/DiscordTokenChangedEvent.java

@@ -0,0 +1,25 @@
+package testplugin.plugin.Events;
+
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+
+public final class DiscordTokenChangedEvent extends Event {
+    private static final HandlerList handlers = new HandlerList();
+    private String message;
+
+    public DiscordTokenChangedEvent(String msg) {
+        message = msg;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+}

src/main/java/testplugin/plugin/LoggedEvents.java

@@ -99,4 +99,22 @@ public class Events implements Listener {
         config.setValue("webhookURL",this.webhookURL);
         this.plugin.saveConfig();
     }
+
+    @EventHandler(priority = EventPriority.LOW)
+    public void onDiscordTokenChanged(DiscordTokenChangedEvent event) {
+        String discordToken = event.getMessage();
+        Config config = new Config(this.plugin);
+        logger.warning("discord token changed!");
+        config.setValue("discordBotToken",discordToken);
+        this.plugin.saveConfig();
+    }
+
+    @EventHandler(priority = EventPriority.LOW)
+    public void onDiscordRelayChannelIdChanged(DiscordRelayChannelIdChangedEvent event) {
+        String discordRelayChannelId = event.getMessage();
+        Config config = new Config(this.plugin);
+        logger.warning("discord relay channel id changed!");
+        config.setValue("discordRelayChannel",discordRelayChannelId);
+        this.plugin.saveConfig();
+    }
 }

src/main/java/testplugin/plugin/WebhookEventLogger.java

@@ -1,7 +1,14 @@
 package testplugin.plugin;
 
+import net.dv8tion.jda.api.JDA;
+import net.dv8tion.jda.api.JDABuilder;
+import net.dv8tion.jda.api.requests.GatewayIntent;
 import org.bukkit.plugin.java.JavaPlugin;
+import testplugin.plugin.Commands.setDiscordRelayChannelIdCommand;
+import testplugin.plugin.Commands.setDiscordTokenCommand;
+import testplugin.plugin.Commands.setWebhookCommand;
 
+import javax.swing.*;
 import java.awt.*;
 import java.io.IOException;
 import java.util.Arrays;
@@ -9,6 +16,9 @@ import java.util.Objects;
 
 public final class WebhookEventLogger extends JavaPlugin {
     private String webhookURL;
+    private String discordBotToken;
+
+    private JDA jda;
 
     @Override
     public void onEnable() {
@@ -19,9 +29,19 @@ public final class WebhookEventLogger extends JavaPlugin {
 
         this.webhookURL = config.getValue("webhookURL").toString();
 
-        getServer().getPluginManager().registerEvents(new Events(getLogger(), this, webhookURL), this);
+        this.discordBotToken = config.getValue("discordBotToken").toString();
+        if (discordBotToken.equals("TOKEN")) {
+            getLogger().warning("Token not set, please set it using \"/discordtoken\" and \"/discordrelaychannelid\" ingame do set the necessary information");
+        } else {
+            getLogger().info("there is a token present");
+            this.jda = JDABuilder.createDefault(discordBotToken).enableIntents(GatewayIntent.GUILD_MESSAGES,GatewayIntent.MESSAGE_CONTENT).addEventListeners(new DiscordMessageEvent(this, config)).build();
+        }
+
+        getServer().getPluginManager().registerEvents(new LoggedEvents(getLogger(), this, webhookURL), this);
 
         Objects.requireNonNull(getCommand("webhook")).setExecutor(new setWebhookCommand());
+        Objects.requireNonNull(getCommand("discordtoken")).setExecutor(new setDiscordTokenCommand());
+        Objects.requireNonNull(getCommand("discordrelaychannelid")).setExecutor(new setDiscordRelayChannelIdCommand());
 
 
         DiscordWebhook Webhook = new DiscordWebhook(webhookURL);
@@ -45,6 +65,7 @@ public final class WebhookEventLogger extends JavaPlugin {
                 .setTitle("Server stopped.")
                 .setColor(new Color(220, 75, 40))
         );
+        jda.shutdownNow();
         try {
             Webhook.execute();
         } catch (IOException e) {

src/main/resources/plugin.yml

@@ -14,9 +14,28 @@ commands:
 
     permission-message: You do not have permission to use this command.
 
+    usage: /<command> [url]
+  discordtoken:
+
+    permission: webhook.can_set
+
+    description: Set the discord relay bot token used to relay discord messages
+
+    permission-message: You do not have permission to use this command.
+
+    usage: /<command> [url]
+  discordrelaychannelid:
+
+    permission: webhook.can_set
+
+    description: Set the discord relay bot channel id used to relay discord messages
+
+    permission-message: You do not have permission to use this command.
+
     usage: /<command> [url]
 
 permissions:
   webhook.can_set:
-    description: Allows to set webhook url
-    default: op
+    description: Allows to set webhook/discord bot settings
+    default: op
+