feat: Add Caching

CHANGELOG.md

 # Changelog
 
+## 0.1.1
+
+### Added
+
+- Added cache for discord channel names.
+- Added cache for discord usernames.
+- Added cache for guilds.
+- Added cache for message channels.
+
 ## 0.1.0
 
 ### Added

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>de.eps-dev</groupId>
     <artifactId>minecord</artifactId>
-    <version>0.1.0</version>
+    <version>0.1.1</version>
     <packaging>jar</packaging>
 
     <name>Minecord</name>

src/main/java/de/epsdev/minecord/Minecord.java

@@ -6,14 +6,18 @@ import de.epsdev.minecord.events.e_OnPlayerChat;
 import org.bukkit.plugin.PluginManager;
 import org.bukkit.plugin.java.JavaPlugin;
 
+import java.util.logging.Logger;
+
 public final class Minecord extends JavaPlugin {
 
     public static Bot bot;
     public static PluginConfig pluginConfig;
+    public static Logger pluginLogger;
 
     @Override
     public void onEnable() {
         pluginConfig = new PluginConfig(this);
+        pluginLogger = this.getLogger();
         bot = new Bot();
 
         registerEvents();

src/main/java/de/epsdev/minecord/bot/Bot.java

@@ -9,10 +9,12 @@ import discord4j.core.object.entity.Guild;
 import discord4j.core.object.entity.Message;
 import discord4j.core.object.entity.channel.GuildMessageChannel;
 import discord4j.core.spec.MessageCreateSpec;
+import discord4j.discordjson.Id;
 import discord4j.rest.entity.RestChannel;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 
+import java.util.HashMap;
 import java.util.List;
 
 public class Bot {
@@ -21,6 +23,11 @@ public class Bot {
     private final String CHANNEL_NAME;
     private final String DISCORD_TOKEN;
 
+    private final HashMap<Snowflake, String> channelNameCache = new HashMap<>();
+    private final HashMap<Id, String> userTagCache = new HashMap<>();
+    private List<Guild> guildCache = null;
+    private GuildMessageChannel activeGuildMessageChannel = null;
+
     public Bot() {
         DISCORD_TOKEN = Minecord.pluginConfig.getDiscordToken();
         CHANNEL_NAME = Minecord.pluginConfig.getChannelName();
@@ -31,16 +38,43 @@ public class Bot {
         initializeMessageListener();
     }
 
+    private String getUserTagFromMessage(Message message) {
+        Id userId = message.getUserData().id();
+        String tag = userTagCache.getOrDefault(userId, null);
+
+        if (tag == null) {
+            tag = message.getAuthorAsMember().block().getTag();
+
+            userTagCache.put(userId, tag);
+        }
+
+        return tag;
+    }
+
+    private String getChannelNameFromSnowflake(Snowflake channelId) {
+        String name = channelNameCache.getOrDefault(channelId, null);
+
+        if (name == null) {
+            RestChannel restChannel = gateway.getChannelById(channelId).block().getRestChannel();
+            name = restChannel.getData().block().name().get();
+
+            channelNameCache.put(channelId, name);
+        }
+
+        return name;
+    }
+
     private String getChannelNameFromMessage(Message message) {
         Snowflake channelId = message.getChannelId();
-        RestChannel restChannel = gateway.getChannelById(channelId).block().getRestChannel();
 
-        return restChannel.getData().block().name().get();
+        return getChannelNameFromSnowflake(channelId);
     }
 
     private void initializeMessageListener() {
         gateway.on(MessageCreateEvent.class).subscribe(event -> {
             Message message = event.getMessage();
+
+            String userTag = getUserTagFromMessage(message);
             String channelName = getChannelNameFromMessage(message);
 
             boolean isRealUser = message.getUserData().bot().isAbsent();
@@ -48,7 +82,7 @@ public class Bot {
             if (channelName.equals(CHANNEL_NAME) && isRealUser) {
                 Bukkit.getServer().broadcastMessage
                     (String.format("<" + ChatColor.BLUE + "%s" + ChatColor.RESET + "> %s",
-                        message.getAuthorAsMember().block().getTag(),
+                        userTag,
                         message.getContent()
                     ));
             }
@@ -56,17 +90,29 @@ public class Bot {
     }
 
     private List<Guild> getGuilds() {
-        return gateway.getGuilds().collectList().block();
+        if (guildCache == null) {
+            guildCache = gateway.getGuilds().collectList().block();
+        }
+
+        return guildCache;
     }
 
     private GuildMessageChannel getTextChannelFromGuildByName(Guild guild, String name) {
-       return guild.getChannels().ofType(GuildMessageChannel.class)
-               .filter((channel) -> channel.getName().equals(name)).blockFirst();
+        return guild.getChannels().ofType(GuildMessageChannel.class)
+                .filter((channel) -> channel.getName().equals(name)).blockFirst();
+    }
+
+    private GuildMessageChannel getActiveGuildMessageChannel(Guild guild) {
+        if (activeGuildMessageChannel == null) {
+            activeGuildMessageChannel = getTextChannelFromGuildByName(guild, CHANNEL_NAME);
+        }
+
+        return activeGuildMessageChannel;
     }
 
     public void sendMessage(String message) {
         Guild guild = getGuilds().get(0);
-        GuildMessageChannel messageChannel = getTextChannelFromGuildByName(guild, CHANNEL_NAME);
+        GuildMessageChannel messageChannel = getActiveGuildMessageChannel(guild);
 
         messageChannel.createMessage(
             MessageCreateSpec.