Reduce getting the server calls

Include server player numbers.

README.md

@@ -40,3 +40,7 @@ mvnw.cmd package
 This will produce a file inside the `target` directory. You can now take the
 `.jar` file that doesn't start with `original-` and put it in the `plugins`
 directory of your Server.
+
+## LICENSE
+
+The software is licensed under the [MPL-2.0](LICENSE) license.

src/main/java/de/hhhammer/chatrelay/ChatRelay.java

@@ -21,11 +21,11 @@ public final class ChatRelay extends JavaPlugin {
 
     @Override
     public void onEnable() {
-        var messageListener = new DiscordMessageListener(guildId, channelId, this.getServer());
-        var slashListener = new DiscordSlashCommandListener(this.getServer());
+        var server = this.getServer();
+        var messageListener = new DiscordEventListener(guildId, channelId, server);
         this.jda = JDABuilder.createDefault(discordToken)
                 .enableIntents(GatewayIntent.MESSAGE_CONTENT)
-                .addEventListeners(messageListener, slashListener)
+                .addEventListeners(messageListener)
                 .build();
         try {
             jda.awaitReady();
@@ -34,7 +34,7 @@ public final class ChatRelay extends JavaPlugin {
         }
         jda.updateCommands().addCommands(Commands.slash("list", "List of all online players.")).queue();
         discordMessageChannel = new DiscordMessageChannel(obtainTargetChannel(jda));
-        getServer().getPluginManager().registerEvents(new MinecraftMessageListener(discordMessageChannel), this);
+        server.getPluginManager().registerEvents(new MinecraftEventListener(discordMessageChannel), this);
         logger.log(Level.INFO, "Bot is now online.");
         discordMessageChannel.sendServerEvent("Server is now online.");
     }

src/main/java/de/hhhammer/chatrelay/DiscordEventListener.java

@@ -1,18 +1,21 @@
 package de.hhhammer.chatrelay;
 
 import net.dv8tion.jda.api.entities.channel.ChannelType;
+import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
 import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
 import net.dv8tion.jda.api.hooks.ListenerAdapter;
 import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.format.NamedTextColor;
 import org.bukkit.Server;
 
-public class DiscordMessageListener extends ListenerAdapter {
+import java.util.stream.Collectors;
+
+public class DiscordEventListener extends ListenerAdapter {
     private final String guildId;
     private final String channelId;
     private final Server server;
 
-    public DiscordMessageListener(String guildId, String channelId, Server server) {
+    public DiscordEventListener(String guildId, String channelId, Server server) {
         this.guildId = guildId;
         this.channelId = channelId;
         this.server = server;
@@ -35,4 +38,18 @@ public class DiscordMessageListener extends ListenerAdapter {
                 .append(Component.text(event.getMessage().getContentDisplay()));
         this.server.broadcast(message);
     }
+
+    @Override
+    public void onSlashCommandInteraction(SlashCommandInteractionEvent event) {
+        switch (event.getName()) {
+            case "list":
+                var maxPlayer = server.getMaxPlayers();
+                var players = server.getOnlinePlayers();
+                var listOfPlayers = players.stream()
+                        .map(player -> "- " + player.getName() + "\n")
+                        .collect(Collectors.joining());
+                event.reply("_Server_: Following players are online (" + players.size() + "/" + maxPlayer + "):\n" + listOfPlayers).queue();
+                break;
+        }
+    }
 }

src/main/java/de/hhhammer/chatrelay/DiscordMessageChannel.java

@@ -13,7 +13,11 @@ public class DiscordMessageChannel {
         textChannel.sendMessage(msq).queue();
     }
 
-    public void sendServerEvent(String msq) {
-        send("Server: " + msq);
+    public void sendPlayerEvent(String name, String msg) {
+        send("**" + name + "**: " + msg);
+    }
+
+    public void sendServerEvent(String msg) {
+        send("_Server_: " + msg);
     }
 }

src/main/java/de/hhhammer/chatrelay/DiscordSlashCommandListener.java

@@ -1,29 +0,0 @@
-package de.hhhammer.chatrelay;
-
-import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
-import net.dv8tion.jda.api.hooks.ListenerAdapter;
-import org.bukkit.Server;
-
-import java.util.stream.Collectors;
-
-public class DiscordSlashCommandListener extends ListenerAdapter {
-
-    private final Server server;
-
-    public DiscordSlashCommandListener(Server server) {
-        this.server = server;
-    }
-
-    @Override
-    public void onSlashCommandInteraction(SlashCommandInteractionEvent event) {
-        switch (event.getName()) {
-            case "list":
-                var players = server.getOnlinePlayers();
-                var listOfPlayers = players.stream()
-                        .map(player -> "- " + player.getName() + "\n")
-                        .collect(Collectors.joining());
-                event.reply("Server: Following players are online:\n" + listOfPlayers).queue();
-                break;
-        }
-    }
-}

src/main/java/de/hhhammer/chatrelay/MinecraftEventListener.java

@@ -7,10 +7,10 @@ import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerJoinEvent;
 import org.bukkit.event.player.PlayerQuitEvent;
 
-public class MinecraftMessageListener implements Listener {
+public class MinecraftEventListener implements Listener {
     private final DiscordMessageChannel discordMessageChannel;
 
-    public MinecraftMessageListener(DiscordMessageChannel discordMessageChannel) {
+    public MinecraftEventListener(DiscordMessageChannel discordMessageChannel) {
         this.discordMessageChannel = discordMessageChannel;
     }
 
@@ -18,7 +18,7 @@ public class MinecraftMessageListener implements Listener {
     public void onPlayerMessage(AsyncChatEvent event) {
         var message = event.message();
         if (message instanceof TextComponent textMessage) {
-            discordMessageChannel.send(event.getPlayer().getName() + ": " + textMessage.content());
+            discordMessageChannel.sendPlayerEvent(event.getPlayer().getName(), textMessage.content());
         }
     }