fancydialogs: Add joined players cache

plugins/fancydialogs/src/main/java/com/fancyinnovations/fancydialogs/FancyDialogsPlugin.java

@@ -14,6 +14,7 @@ import com.fancyinnovations.fancydialogs.config.FDFeatureFlags;
 import com.fancyinnovations.fancydialogs.config.FancyDialogsConfig;
 import com.fancyinnovations.fancydialogs.dialog.DialogImpl;
 import com.fancyinnovations.fancydialogs.fancynpcs.OpenDialogNpcAction;
+import com.fancyinnovations.fancydialogs.joinedplayerscache.JoinedPlayersCache;
 import com.fancyinnovations.fancydialogs.listener.DialogButtonClickedListener;
 import com.fancyinnovations.fancydialogs.listener.PlayerJoinListener;
 import com.fancyinnovations.fancydialogs.registry.DefaultDialogs;
@@ -58,6 +59,7 @@ public class FancyDialogsPlugin extends JavaPlugin implements FancyDialogs {
     private DialogRegistry dialogRegistry;
     private DialogStorage dialogStorage;
     private ActionRegistryImpl actionRegistry;
+    private JoinedPlayersCache joinedPlayersCache;
 
     public FancyDialogsPlugin() {
         INSTANCE = this;
@@ -124,6 +126,9 @@ public class FancyDialogsPlugin extends JavaPlugin implements FancyDialogs {
 
         actionRegistry = new ActionRegistryImpl();
 
+        joinedPlayersCache = new JoinedPlayersCache();
+        joinedPlayersCache.load();
+
         fancyLogger.info("Successfully loaded FancyDialogs version %s".formatted(getDescription().getVersion()));
     }
 
@@ -257,4 +262,8 @@ public class FancyDialogsPlugin extends JavaPlugin implements FancyDialogs {
     public ActionRegistryImpl getActionRegistry() {
         return actionRegistry;
     }
+
+    public JoinedPlayersCache getJoinedPlayersCache() {
+        return joinedPlayersCache;
+    }
 }

plugins/fancydialogs/src/main/java/com/fancyinnovations/fancydialogs/joinedplayerscache/JoinedPlayersCache.java

@@ -0,0 +1,55 @@
+package com.fancyinnovations.fancydialogs.joinedplayerscache;
+
+import com.fancyinnovations.fancydialogs.FancyDialogsPlugin;
+import de.oliver.jdb.JDB;
+
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.UUID;
+
+public class JoinedPlayersCache {
+
+    private final Set<String> playersJoined;
+    private final JDB jdb;
+
+    public JoinedPlayersCache() {
+        this.playersJoined = new HashSet<>();
+        this.jdb = new JDB("plugins/FancyDialogs/data");
+    }
+
+    public void load() {
+        try {
+            playersJoined.clear();
+            String[] data = jdb.get("joined_players", String[].class);
+            if (data != null) {
+                Collections.addAll(playersJoined, data);
+                FancyDialogsPlugin.get().getFancyLogger().debug("Loaded joined players from file.");
+            }
+        } catch (Exception e) {
+            FancyDialogsPlugin.get().getFancyLogger().error("Failed to load joined players cache");
+            FancyDialogsPlugin.get().getFancyLogger().error(e);
+        }
+    }
+
+    public void save() {
+        try {
+            jdb.set("joined_players", playersJoined);
+            FancyDialogsPlugin.get().getFancyLogger().debug("Saved joined players cache");
+        } catch (Exception e) {
+            FancyDialogsPlugin.get().getFancyLogger().error("Failed to save joined players cache");
+            FancyDialogsPlugin.get().getFancyLogger().error(e);
+        }
+    }
+
+    public boolean checkIfPlayerJoined(UUID playerUUID) {
+        return playersJoined.contains(playerUUID.toString());
+    }
+
+    public void addPlayer(UUID playerUUID) {
+        if (playersJoined.add(playerUUID.toString())) {
+            save();
+        }
+    }
+
+}

plugins/fancydialogs/src/main/java/com/fancyinnovations/fancydialogs/listener/PlayerJoinListener.java

@@ -12,19 +12,23 @@ public class PlayerJoinListener implements Listener {
     public void onPlayerJoin(PlayerJoinEvent event) {
         CustomClickActionPacketListener.get().getPacketListener().inject(event.getPlayer());
 
-        boolean isNewPlayer = !event.getPlayer().hasPlayedBefore();
+        boolean hasJoinedBefore = FancyDialogsPlugin.get().getJoinedPlayersCache().checkIfPlayerJoined(event.getPlayer().getUniqueId());
         if (FancyDialogsPlugin.get().getFancyDialogsConfig().getLogLevel().equalsIgnoreCase("debug")) {
-            isNewPlayer = true;
+            hasJoinedBefore = false;
         }
 
-        if (isNewPlayer) {
+        if (!hasJoinedBefore) {
             String welcomeDialogID = FancyDialogsPlugin.get().getFancyDialogsConfig().getWelcomeDialogID();
             Dialog dialog = FancyDialogsPlugin.get().getDialogRegistry().get(welcomeDialogID);
             if (dialog != null) {
                 dialog.open(event.getPlayer());
             } else {
                 FancyDialogsPlugin.get().getLogger().warning("Welcome dialog with ID " + welcomeDialogID + " not found.");
+                return;
             }
+
+            FancyDialogsPlugin.get().getJoinedPlayersCache().addPlayer(event.getPlayer().getUniqueId());
+            FancyDialogsPlugin.get().getFancyLogger().debug("Player " + event.getPlayer().getName() + " has joined for the first time and the welcome dialog has been opened.");
         }
     }