wp-ingame-shop/wp-ingame-shop.php aktualisiert

IngameShopSpigot/pom.xml

@@ -0,0 +1,64 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
+         http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>de.mviper</groupId>
+    <artifactId>IngameShopSpigot</artifactId>
+    <version>1.0</version>
+    <packaging>jar</packaging>
+
+    <name>IngameShopSpigot</name>
+
+    <dependencies>
+        <!-- Spigot API -->
+        <dependency>
+            <groupId>org.spigotmc</groupId>
+            <artifactId>spigot-api</artifactId>
+            <version>1.20.1-R0.1-SNAPSHOT</version>
+            <scope>provided</scope>
+        </dependency>
+
+        <!-- Vault fEconomy -->
+        <dependency>
+            <groupId>net.milkbowl.vault</groupId>
+            <artifactId>VaultAPI</artifactId>
+            <version>1.7</version>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <!-- Compiler Plugin -->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.11.0</version>
+                <configuration>
+                    <source>17</source>
+                    <target>17</target>
+                </configuration>
+            </plugin>
+
+            <!-- Shade Plugin optional fAbh-->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.5.0</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals><goal>shade</goal></goals>
+                        <configuration>
+                            <relocations>
+                                <!-- optional -->
+                            </relocations>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>

IngameShopSpigot/src/main/java/de/mviper/spigot/IngameShopSpigot.java

@@ -0,0 +1,495 @@
+package de.mviper.spigot;
+
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.Material;
+import org.bukkit.Sound;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.inventory.InventoryClickEvent;
+import org.bukkit.inventory.Inventory;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
+import org.bukkit.plugin.RegisteredServiceProvider;
+import org.bukkit.plugin.java.JavaPlugin;
+import org.bukkit.scheduler.BukkitRunnable;
+import org.bukkit.scheduler.BukkitTask;
+
+import net.milkbowl.vault.economy.Economy;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.nio.charset.StandardCharsets;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
+import java.util.logging.Level;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+public class IngameShopSpigot extends JavaPlugin implements Listener {
+
+    private static Economy econ = null;
+    private String wpBase; 
+    private String wpUrlPending;
+    private String wpUrlExecute;
+    private String wpUrlComplete;
+    private String wpUrlCancel; // NEU
+    
+    private Gson gson = new Gson();
+    private boolean debug = false;
+    private BukkitTask task;
+
+    private String currency = "Coins";
+    private String targetServer = "survival";
+
+    private Map<Integer, OrderData> orderCache = new HashMap<>();
+    private Map<UUID, Integer> activeOrderIds = new HashMap<>();
+
+    @Override
+    public void onEnable() {
+        if (!setupEconomy()) {
+            getLogger().severe("Kein Economy-Plugin (Vault) gefunden! Shop deaktiviert.");
+            getServer().getPluginManager().disablePlugin(this);
+            return;
+        }
+
+        saveDefaultConfig();
+        reloadConfig();
+        
+        String domain = getConfig().getString("wordpress-url", "http://localhost/Windelgeschichten.org");
+        if (domain.endsWith("/")) {
+            domain = domain.substring(0, domain.length() - 1);
+        }
+        wpBase = domain + "/wp-json/wis/v1";
+        
+        wpUrlPending = wpBase + "/pending_orders";
+        wpUrlExecute = wpBase + "/execute_order";
+        wpUrlComplete = wpBase + "/complete_order";
+        wpUrlCancel = wpBase + "/cancel_order"; // NEU
+        
+        this.targetServer = getConfig().getString("server-name", "survival").toLowerCase();
+        this.currency = getConfig().getString("currency-name", "Coins");
+        
+        int intervalSeconds = getConfig().getInt("check-interval", 10);
+        long pollInterval = intervalSeconds * 20L; 
+        debug = getConfig().getBoolean("debug-mode", false);
+        
+        getServer().getPluginManager().registerEvents(this, this);
+        startPolling(pollInterval);
+        
+        getLogger().info("=== IngameShopSpigot v6.2 (Cancel Logic) CONFIG ===");
+        getLogger().info("Domain: " + domain);
+        getLogger().info("Target Server: " + this.targetServer);
+        getLogger().info("Currency: " + this.currency);
+    }
+
+    private boolean setupEconomy() {
+        RegisteredServiceProvider<Economy> rsp = getServer().getServicesManager().getRegistration(Economy.class);
+        if (rsp == null) return false;
+        econ = rsp.getProvider();
+        return econ != null;
+    }
+
+    private void startPolling(long intervalTicks) {
+        this.task = new BukkitRunnable() {
+            @Override
+            public void run() {
+                new BukkitRunnable() {
+                    @Override
+                    public void run() {
+                        for (Player p : Bukkit.getOnlinePlayers()) {
+                            try {
+                                String urlString = wpUrlPending + "?player=" + p.getName();
+                                URL url = new URL(urlString);
+                                HttpURLConnection conn = (HttpURLConnection) url.openConnection();
+                                conn.setRequestMethod("GET");
+                                conn.setRequestProperty("Content-Type", "application/json");
+                                conn.setConnectTimeout(5000);
+                                conn.setReadTimeout(5000);
+
+                                if (conn.getResponseCode() == 200) {
+                                    BufferedReader reader = new BufferedReader(
+                                        new InputStreamReader(conn.getInputStream(), StandardCharsets.UTF_8)
+                                    );
+                                    StringBuilder response = new StringBuilder();
+                                    String line;
+                                    while ((line = reader.readLine()) != null) {
+                                        response.append(line);
+                                    }
+                                    reader.close();
+
+                                    JsonObject json = JsonParser.parseString(response.toString()).getAsJsonObject();
+                                    JsonArray orders = json.getAsJsonArray("orders");
+
+                                    if (orders != null && orders.size() > 0) {
+                                        for (int i = 0; i < orders.size(); i++) {
+                                            JsonObject order = orders.get(i).getAsJsonObject();
+                                            
+                                            int id = order.get("id").getAsInt();
+                                            String orderServer = order.has("server") ? order.get("server").getAsString().toLowerCase() : "";
+                                            
+                                            if (!orderServer.equals(targetServer)) {
+                                                if (debug) getLogger().info("Order #" + id + " ist für Server '" + orderServer + "'. Ignoriere.");
+                                                continue;
+                                            }
+
+                                            String jsonResponse = order.has("response") ? order.get("response").getAsString() : "[]";
+                                            String itemTitle = order.get("item_title").getAsString();
+                                            double price = order.get("price").getAsDouble();
+                                            String status = order.get("status").getAsString();
+                                            
+                                            if ("pending".equals(status)) {
+                                                OrderData data = new OrderData(id, "multi_item", itemTitle, price, 1, jsonResponse);
+                                                orderCache.put(id, data);
+                                                activeOrderIds.put(p.getUniqueId(), id);
+                                                
+                                                Bukkit.getScheduler().runTask(IngameShopSpigot.this, () -> {
+                                                    openConfirmGUI(p, id, itemTitle, price);
+                                                });
+                                            }
+                                        }
+                                    }
+                                }
+                            } catch (Exception e) {
+                                if (debug) Bukkit.getLogger().log(Level.WARNING, "Polling Fehler", e);
+                            }
+                        }
+                    }
+                }.runTaskAsynchronously(IngameShopSpigot.this);
+            }
+        }.runTaskTimer(this, 20L, intervalTicks);
+    }
+
+    private void openConfirmGUI(Player player, int orderId, String itemTitle, double price) {
+        Inventory gui = Bukkit.createInventory(null, 27, "§eKauf bestätigen?");
+
+        ItemStack info = new ItemStack(Material.WRITTEN_BOOK);
+        ItemMeta infoMeta = info.getItemMeta();
+        infoMeta.setDisplayName(ChatColor.GOLD + itemTitle);
+        infoMeta.setLore(java.util.Arrays.asList(
+            ChatColor.WHITE + "Preis: " + price + " " + currency
+        ));
+        info.setItemMeta(infoMeta);
+
+        ItemStack yes = new ItemStack(Material.LIME_WOOL);
+        ItemMeta yesMeta = yes.getItemMeta();
+        yesMeta.setDisplayName(ChatColor.GREEN + "§lJA, kaufen!");
+        yes.setItemMeta(yesMeta);
+        
+        ItemStack no = new ItemStack(Material.RED_WOOL);
+        ItemMeta noMeta = no.getItemMeta();
+        noMeta.setDisplayName(ChatColor.RED + "§lNEIN, abbrechen");
+        no.setItemMeta(noMeta);
+
+        ItemStack pane = new ItemStack(Material.BLACK_STAINED_GLASS_PANE);
+        ItemMeta paneMeta = pane.getItemMeta();
+        paneMeta.setDisplayName(" ");
+        pane.setItemMeta(paneMeta);
+
+        for (int i = 0; i < 27; i++) gui.setItem(i, pane);
+        gui.setItem(13, info);
+        gui.setItem(11, yes);
+        gui.setItem(15, no);
+
+        player.openInventory(gui);
+    }
+
+    @EventHandler
+    public void onInventoryClick(InventoryClickEvent event) {
+        if (!event.getView().getTitle().contains("Kauf bestätigen?")) return;
+        event.setCancelled(true);
+        if (!(event.getWhoClicked() instanceof Player)) return;
+        
+        Player p = (Player) event.getWhoClicked();
+        int slot = event.getRawSlot();
+        
+        if (slot == 11) { // JA
+            Integer orderId = activeOrderIds.get(p.getUniqueId());
+            if (orderId != null) {
+                processOrder(p, orderId);
+                p.closeInventory();
+                activeOrderIds.remove(p.getUniqueId());
+            } else {
+                p.sendMessage(ChatColor.RED + "❌ Fehler: Kauf abgelaufen.");
+                p.closeInventory();
+            }
+        } else if (slot == 15) { // NEIN
+            Integer orderId = activeOrderIds.get(p.getUniqueId());
+            if (orderId != null) {
+                cancelOrder(p, orderId); // NEU
+                p.closeInventory();
+                activeOrderIds.remove(p.getUniqueId());
+            }
+        }
+    }
+
+    private void processOrder(Player player, int orderId) {
+        OrderData data = orderCache.get(orderId);
+        if (data == null) {
+            player.sendMessage(ChatColor.RED + "❌ Fehler: Daten nicht gefunden.");
+            return;
+        }
+
+        new BukkitRunnable() {
+            @Override
+            public void run() {
+                try {
+                    String jsonInputString = "{\"id\":\"" + orderId + "\"}";
+                    URL url = new URL(wpUrlExecute);
+                    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
+                    conn.setRequestMethod("POST");
+                    conn.setRequestProperty("Content-Type", "application/json");
+                    conn.setDoOutput(true);
+                    
+                    try(OutputStream os = conn.getOutputStream()) {
+                        byte[] input = jsonInputString.getBytes("utf-8");
+                        os.write(input, 0, input.length);
+                    }
+                    
+                    int responseCode = conn.getResponseCode();
+                    if (responseCode == 200) {
+                        Bukkit.getScheduler().runTask(IngameShopSpigot.this, () -> executeShopLogic(player, data, orderId));
+                    } else {
+                        if (debug) getLogger().warning("Execute Order API Code: " + responseCode);
+                        Bukkit.getScheduler().runTask(IngameShopSpigot.this, () -> {
+                            player.sendMessage(ChatColor.RED + "❌ Server-Fehler beim Starten des Kaufs.");
+                        });
+                    }
+                } catch (Exception e) {
+                    getLogger().log(Level.SEVERE, "Fehler bei /execute_order", e);
+                    Bukkit.getScheduler().runTask(IngameShopSpigot.this, () -> {
+                        player.sendMessage(ChatColor.RED + "❌ Interner Fehler beim Kauf.");
+                    });
+                }
+            }
+        }.runTaskAsynchronously(this);
+    }
+
+    // ===========================================================
+    // NEU: ABBRECHEN LOGIC
+    // ===========================================================
+    private void cancelOrder(Player player, int orderId) {
+        new BukkitRunnable() {
+            @Override
+            public void run() {
+                try {
+                    String jsonInputString = "{\"id\":\"" + orderId + "\"}";
+                    URL url = new URL(wpUrlCancel);
+                    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
+                    conn.setRequestMethod("POST");
+                    conn.setRequestProperty("Content-Type", "application/json");
+                    conn.setDoOutput(true);
+                    
+                    try(OutputStream os = conn.getOutputStream()) {
+                        byte[] input = jsonInputString.getBytes("utf-8");
+                        os.write(input, 0, input.length);
+                    }
+                    
+                    int responseCode = conn.getResponseCode();
+                    
+                    if (responseCode == 200) {
+                        orderCache.remove(orderId);
+                        player.sendMessage(ChatColor.YELLOW + "❌ Kauf abgebrochen.");
+                        if (debug) getLogger().info("✅ Order #" + orderId + " successfully cancelled");
+                    } else {
+                        if (debug) getLogger().warning("⚠️ Cancel Order API returned code: " + responseCode);
+                        player.sendMessage(ChatColor.RED + "❌ Fehler beim Abbrechen des Kaufs.");
+                        // Fallback: Cache leeren damit es nicht als Loop erscheint
+                        orderCache.remove(orderId);
+                        activeOrderIds.remove(player.getUniqueId());
+                    }
+                } catch (Exception e) {
+                    getLogger().log(Level.WARNING, "Fehler bei /cancel_order", e);
+                    // Fallback: Cache leeren
+                    orderCache.remove(orderId);
+                    activeOrderIds.remove(player.getUniqueId());
+                    player.sendMessage(ChatColor.YELLOW + "❌ Kauf abgebrochen (lokale Bestätigung).");
+                }
+            }
+        }.runTaskAsynchronously(this);
+    }
+
+    private void executeShopLogic(Player player, OrderData data, int orderId) {
+        try {
+            if (econ.getBalance(player) < data.price) {
+                player.sendMessage(ChatColor.RED + "❌ Du hast nicht genug Geld! (Benötigt: " + data.price + " " + currency + ")");
+                // Wenn der Kauf fehlschagt (Geld), sollte die Bestellung abgebrochen werden
+                cancelOrder(player, orderId);
+                return;
+            }
+            
+            econ.withdrawPlayer(player, data.price);
+            player.sendMessage(ChatColor.GREEN + "💰 " + data.price + " " + currency + " abgezogen.");
+            
+            try {
+                JsonElement root = gson.fromJson(data.jsonPayload, JsonElement.class);
+                JsonArray items;
+                
+                if (root.isJsonObject()) {
+                    items = root.getAsJsonObject().getAsJsonArray("items");
+                } else {
+                    items = root.getAsJsonArray();
+                }
+                
+                int totalItemsGiven = 0;
+                
+                for (JsonElement e : items) {
+                    JsonObject itemObj = e.getAsJsonObject();
+                    String itemId = itemObj.get("id").getAsString();
+                    int amount = itemObj.get("amount").getAsInt();
+                    
+                    ItemStack item = parseItem(itemId);
+                    if (item != null) {
+                        int remaining = amount;
+                        while (remaining > 0) {
+                            int stackSize = Math.min(remaining, item.getMaxStackSize());
+                            ItemStack stack = item.clone();
+                            stack.setAmount(stackSize);
+                            
+                            if (player.getInventory().firstEmpty() == -1) {
+                                player.getWorld().dropItemNaturally(player.getLocation(), stack);
+                            } else {
+                                player.getInventory().addItem(stack);
+                            }
+                            remaining -= stackSize;
+                        }
+                        totalItemsGiven++;
+                    } else {
+                        player.sendMessage(ChatColor.RED + "❌ Item '" + itemId + "' konnte nicht gefunden werden.");
+                    }
+                }
+                
+                if (totalItemsGiven > 0) {
+                    player.playSound(player.getLocation(), Sound.ENTITY_PLAYER_LEVELUP, 1.0F, 1.0F);
+                    player.sendMessage(ChatColor.GREEN + "✅ Kauf erfolgreich abgeschlossen!");
+                }
+                
+                markOrderCompleted(orderId);
+                orderCache.remove(orderId);
+                
+            } catch (Exception e) {
+                getLogger().log(Level.SEVERE, "Fehler beim Verarbeiten der JSON-Items", e);
+                player.sendMessage(ChatColor.RED + "❌ Fehler beim Verteilen der Items. Bitte Admin kontaktieren.");
+                markOrderCompleted(orderId);
+            }
+            
+        } catch (Exception e) {
+            getLogger().log(Level.SEVERE, "Fehler bei Shop-Logik", e);
+            player.sendMessage(ChatColor.RED + "❌ Interner Fehler.");
+        }
+    }
+
+    private void markOrderCompleted(int orderId) {
+        new BukkitRunnable() {
+            @Override
+            public void run() {
+                try {
+                    String jsonInputString = "{\"id\":\"" + orderId + "\"}";
+                    
+                    if (debug) getLogger().info("🔄 Marking order #" + orderId + " as completed...");
+                    
+                    URL url = new URL(wpUrlComplete);
+                    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
+                    conn.setRequestMethod("POST");
+                    conn.setRequestProperty("Content-Type", "application/json");
+                    conn.setDoOutput(true);
+                    
+                    try(OutputStream os = conn.getOutputStream()) {
+                        byte[] input = jsonInputString.getBytes("utf-8");
+                        os.write(input, 0, input.length);
+                    }
+                    
+                    int responseCode = conn.getResponseCode();
+                    
+                    if (debug) {
+                        if (responseCode == 200) {
+                            getLogger().info("✅ Order #" + orderId + " successfully marked as completed");
+                        } else {
+                            getLogger().warning("⚠️ Complete Order API returned code: " + responseCode);
+                        }
+                    }
+                } catch (Exception e) {
+                    getLogger().log(Level.WARNING, "Complete Order Error for #" + orderId, e);
+                }
+            }
+        }.runTaskAsynchronously(this);
+    }
+
+    private ItemStack parseItem(String itemId) {
+        try {
+            String cleanId = itemId.toUpperCase().trim().replace("MINECRAFT:", "").replace("MC:", "");
+            String materialName = numericIdToMaterial(cleanId);
+            if (materialName == null) materialName = cleanId;
+            
+            if (materialName.equalsIgnoreCase("VIP") || materialName.startsWith("VIP")) {
+                return null;
+            }
+            
+            Material material = Material.matchMaterial(materialName);
+            if (material != null && material.isItem()) {
+                return new ItemStack(material,1);
+            }
+            return null;
+        } catch (Exception e) {
+            getLogger().log(Level.WARNING, "parseItem Fehler: " + itemId, e);
+            return null;
+        }
+    }
+    
+    private String numericIdToMaterial(String id) {
+        if (!id.matches("\\d+")) return null;
+        switch (id) {
+            case "352": return "BONE_MEAL";
+            case "264": return "EMERALD";
+            case "388": return "EMERALD_BLOCK";
+            case "357": return "GOLDEN_APPLE";
+            case "322": return "GOLDEN_CARROT";
+            case "348": return "GOLD_INGOT";
+            case "133": return "EMERALD_ORE";
+            case "41": return "GOLD_ORE";
+            case "14": return "GOLD_BLOCK";
+            case "289": return "COOKIE";
+            case "1": return "STONE";
+            case "5": return "PLANKS"; 
+            case "17": return "OAK_LOG";
+            case "260": return "BONE_BLOCK";
+            case "287": return "TOTEM_OF_UNDYING";
+            default: return null;
+        }
+    }
+
+    private static class OrderData {
+        int id;
+        String itemId;
+        String itemTitle;
+        double price;
+        int quantity;
+        String jsonPayload;
+        
+        OrderData(int id, String itemId, String itemTitle, double price, int quantity, String jsonPayload) {
+            this.id = id;
+            this.itemId = itemId;
+            this.itemTitle = itemTitle;
+            this.price = price;
+            this.quantity = quantity;
+            this.jsonPayload = jsonPayload;
+        }
+    }
+
+    @Override
+    public void onDisable() {
+        if (task != null) {
+            task.cancel();
+        }
+        getLogger().info("IngameShopSpigot gestoppt");
+    }
+}

IngameShopSpigot/src/main/resources/config.yml

@@ -0,0 +1,15 @@
+# Hier nur die Domain eingeben (ohne /wp-json am Ende)
+wordpress-url: "<Wordpress URL>"
+
+# WICHTIG: Der Name des Servers, wie er in WordPress hinterlegt ist (Slug).
+# Damit wird verhindert, dass ein Spieler auf Lobby etwas für Survival kauft und es dort erhält.
+server-name: "Lobby"
+
+# Name der Währung (ersetze Coins durch deinen Namen, z.B. Dollar, Points, etc.)
+currency-name: "Euro"
+
+# Alle wie viel Sekunden (ticks) nach neuen Bestellungen gesucht werden soll (Standard: 10 Sekunden)
+check-interval: 5
+
+# Debug Modus (true/false)
+debug-mode: true

IngameShopSpigot/src/main/resources/plugin.yml

@@ -0,0 +1,25 @@
+name: IngameShopSpigot
+main: de.mviper.spigot.IngameShopSpigot
+version: 1.0
+api-version: "1.20"
+author: M_Viper
+description: Ingame-Shop Plugin (Spigot) empfPlugin-Messages vom Bungee und vergibt Items / zieht Geld via Vault.
+
+# Vault ist optional, daher softdepend
+softdepend:
+  - Vault
+
+# Beispiel-Command (optional, kann in Java implementiert werden)
+commands:
+  ingameshop:
+    description: oder testet den IngameShop (Admin/Debug)
+    usage: /ingameshop
+
+# Beispiel-Permissions (anpassbar)
+permissions:
+  ingameshop.admin:
+    description: Zugriff auf Admin-Funktionen des IngameShops
+    default: op
+  ingameshop.use:
+    description: Basisrecht, um Shop-Features zu nutzen
+    default: true

README.md

@@ -203,5 +203,3 @@ Der Shop wird per Shortcode eingebunden:
 - Button „Daten laden“ → lädt via REST `fetch_remote_data` und zeigt Anzahl Items an.  
 - Button „Import starten“ → ruft wiederholt `import_batch` mit Batches von 20 Items auf und zeigt Fortschritt an.  
 - Vorhandene Items (gleiche `_wis_item_id`) werden übersprungen, neue Items als Draft mit Preis 0 angelegt.  
-
-Für eine GitHub-README kannst du diesen Text direkt verwenden oder nur einzelne Abschnitte übernehmen und oben ggf. Screenshots/GIFs ergänzen.

wp-ingame-shop/wp-ingame-shop.php

@@ -2,11 +2,118 @@
 /*
 Plugin Name: WP Ingame Shop Pro - NO RCON & CUSTOM CURRENCY
 Description: Vollautomatischer Shop mit Warenkorb.
-Version: 1.0.0
+Version: 1.0.2
 Author: M_Viper
 */
 if (!defined('ABSPATH')) exit;
 
+// ===============================
+// WIS PRO - UPDATE NOTICE SYSTEM
+// ===============================
+
+// Plugin-Version aus Header lesen
+function wis_get_plugin_version() {
+    if ( ! function_exists( 'get_plugin_data' ) ) {
+        require_once ABSPATH . 'wp-admin/includes/plugin.php';
+    }
+
+    $plugin_data = get_plugin_data( __FILE__ );
+    return $plugin_data['Version'] ?? '0.0.0';
+}
+
+// Cache manuell leeren
+function wis_clear_update_cache() {
+    if ( isset($_GET['wis_clear_cache']) && current_user_can('manage_options') ) {
+        check_admin_referer('wis_clear_cache_action');
+        delete_transient('wis_latest_release');
+        wp_redirect( admin_url('plugins.php') );
+        exit;
+    }
+}
+add_action('admin_init', 'wis_clear_update_cache');
+
+// Neueste Release-Infos von Gitea holen
+function wis_get_latest_release_info( $force_refresh = false ) {
+    $transient_key = 'wis_latest_release';
+
+    if ( $force_refresh ) {
+        delete_transient( $transient_key );
+    }
+
+    $release_info = get_transient( $transient_key );
+
+    if ( false === $release_info ) {
+        $response = wp_remote_get(
+            'https://git.viper.ipv64.net/api/v1/repos/M_Viper/WP-Ingame-Shop-Pro/releases/latest',
+            ['timeout' => 10]
+        );
+
+        if ( ! is_wp_error($response) && 200 === wp_remote_retrieve_response_code($response) ) {
+            $body = wp_remote_retrieve_body($response);
+            $data = json_decode($body, true);
+
+            if ( $data && isset($data['tag_name']) ) {
+                $tag = ltrim( $data['tag_name'], 'vV' );
+
+                $release_info = [
+                    'version'      => $tag,
+                    'download_url' => $data['zipball_url'] ?? '',
+                    'notes'        => $data['body'] ?? '',
+                    'published_at' => $data['published_at'] ?? '',
+                ];
+
+                set_transient( $transient_key, $release_info, 6 * HOUR_IN_SECONDS );
+            } else {
+                set_transient( $transient_key, [], HOUR_IN_SECONDS );
+            }
+        } else {
+            set_transient( $transient_key, [], HOUR_IN_SECONDS );
+        }
+    }
+
+    return $release_info;
+}
+
+// Admin-Update-Hinweis anzeigen
+function wis_show_update_notice() {
+    if ( ! current_user_can('manage_options') ) {
+        return;
+    }
+
+    $current_version = wis_get_plugin_version();
+    $latest_release  = wis_get_latest_release_info();
+
+    if ( ! empty($latest_release['version']) && version_compare($current_version, $latest_release['version'], '<') ) {
+
+        $refresh_url = wp_nonce_url(
+            admin_url('plugins.php?wis_clear_cache=1'),
+            'wis_clear_cache_action'
+        );
+        ?>
+        <div class="notice notice-warning is-dismissible">
+            <h3>WP Ingame Shop Pro – Update verfügbar</h3>
+            <p>
+                Installiert: <strong><?php echo esc_html($current_version); ?></strong><br>
+                Neueste Version: <strong><?php echo esc_html($latest_release['version']); ?></strong>
+            </p>
+            <p>
+                <a href="<?php echo esc_url($latest_release['download_url']); ?>" class="button button-primary" target="_blank">
+                    Update herunterladen
+                </a>
+                <a href="https://git.viper.ipv64.net/M_Viper/WP-Ingame-Shop-Pro/releases" class="button" target="_blank">
+                    Release Notes
+                </a>
+                <a href="<?php echo esc_url($refresh_url); ?>" class="button">
+                    Jetzt neu prüfen
+                </a>
+            </p>
+        </div>
+        <?php
+    }
+}
+add_action('admin_notices', 'wis_show_update_notice');
+
+
 // ===========================================================
 // 1. ACTIVATOR & TABLES
 // ===========================================================
@@ -1616,4 +1723,187 @@ add_filter('handle_bulk_actions-edit-wis_coupon', [WIS_Bulk_Actions::class, 'han
 add_filter('handle_bulk_actions-edit-wis_server', [WIS_Bulk_Actions::class, 'handle_bulk_actions'], 10, 3);
 
 add_action('admin_notices', [WIS_Bulk_Actions::class, 'admin_notices']);
+
+/* ================= SIDEBAR WIDGET: SHOP ANGEBOT (ERWEITERT) ================= */
+class WIS_Sidebar_Offer_Widget extends WP_Widget {
+
+    public function __construct() {
+        parent::__construct(
+            'wis_sidebar_offer', // Basis ID
+            'WIS Shop Angebot', // Name
+            array( 'description' => 'Zeigt das aktuelle Angebot oder Daily Deal an mit anpassbarem Link.' ) // Args
+        );
+    }
+
+    // Backend: Formular im Widget-Bereich
+    public function form( $instance ) {
+        // Standardwerte definieren
+        $defaults = [
+            'title'     => '🔥 Angebot des Tages',
+            'btn_text'  => 'Zum Shop',
+            'shop_url'  => ''
+        ];
+        // Werte mergen (falls noch nichts gespeichert wurde)
+        $instance = wp_parse_args( (array) $instance, $defaults );
+        
+        ?>
+        <p>
+            <label for="<?php echo $this->get_field_id( 'title' ); ?>">Titel:</label>
+            <input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $instance['title'] ); ?>">
+        </p>
+        
+        <p>
+            <label for="<?php echo $this->get_field_id( 'btn_text' ); ?>">Button Text:</label>
+            <input class="widefat" id="<?php echo $this->get_field_id( 'btn_text' ); ?>" name="<?php echo $this->get_field_name( 'btn_text' ); ?>" type="text" value="<?php echo esc_attr( $instance['btn_text'] ); ?>">
+            <small style="color:#666;">Standard: "Zum Shop"</small>
+        </p>
+        
+        <p>
+            <label for="<?php echo $this->get_field_id( 'shop_url' ); ?>">Shop URL (Link Ziel):</label>
+            <input class="widefat" id="<?php echo $this->get_field_id( 'shop_url' ); ?>" name="<?php echo $this->get_field_name( 'shop_url' ); ?>" type="text" value="<?php echo esc_attr( $instance['shop_url'] ); ?>">
+            <small style="color:#666;">Wenn leer, wird zur Startseite verlinkt.</small>
+        </p>
+        <?php
+    }
+
+    // Backend: Speichern
+    public function update( $new_instance, $old_instance ) {
+        $instance = array();
+        
+        $instance['title']     = ( ! empty( $new_instance['title'] ) ) ? sanitize_text_field( $new_instance['title'] ) : '🔥 Angebot des Tages';
+        $instance['btn_text']  = ( ! empty( $new_instance['btn_text'] ) ) ? sanitize_text_field( $new_instance['btn_text'] ) : 'Zum Shop';
+        $instance['shop_url']  = ( ! empty( $new_instance['shop_url'] ) ) ? esc_url_raw( $new_instance['shop_url'] ) : '';
+        
+        return $instance;
+    }
+
+    // Frontend: Ausgabe
+    public function widget( $args, $instance ) {
+        echo $args['before_widget'];
+
+        // Standardwerte definieren
+        $defaults = [
+            'title'     => '🔥 Angebot des Tages',
+            'btn_text'  => 'Zum Shop',
+            'shop_url'  => ''
+        ];
+        $instance = wp_parse_args( (array) $instance, $defaults );
+
+        if ( ! empty( $instance['title'] ) ) {
+            echo $args['before_title'] . apply_filters( 'widget_title', $instance['title'] ) . $args['after_title'];
+        }
+
+        $currency = get_option('wis_currency_name', 'Coins');
+        $img_base = get_option('wis_image_base_url', 'https://assets.minecraft-ids.com/1_21.10/');
+        
+        // 1. Suche Daily Deal (Prio 1)
+        $daily_deal = get_posts([
+            'post_type' => 'wis_item',
+            'posts_per_page' => 1,
+            'meta_key' => '_wis_daily_deal',
+            'meta_value' => 1
+        ]);
+
+        $item = null;
+        $is_daily = false;
+
+        if (!empty($daily_deal)) {
+            $item = $daily_deal[0];
+            $is_daily = true;
+        } else {
+            // 2. Fallback: Suche normales Angebot (Prio 2)
+            $offers = get_posts([
+                'post_type' => 'wis_item',
+                'posts_per_page' => 1,
+                'meta_key' => '_wis_is_offer',
+                'meta_value' => 1,
+                'orderby' => 'modified',
+                'order' => 'DESC'
+            ]);
+            if (!empty($offers)) {
+                $item = $offers[0];
+            }
+        }
+
+        // Ziel-URL für den Button bestimmen
+        $target_url = !empty($instance['shop_url']) ? $instance['shop_url'] : home_url();
+
+        if ($item) {
+            $price = get_post_meta($item->ID, '_wis_price', true);
+            $offer_price = get_post_meta($item->ID, '_wis_offer_price', true);
+            $item_id_code = get_post_meta($item->ID, '_wis_item_id', true);
+            
+            $final_price = ($offer_price > 0) ? $offer_price : $price;
+            $show_old_price = ($offer_price > 0 && $offer_price < $price);
+
+            // Bild URL generieren
+            $img_name = str_replace(':', '_', $item_id_code) . '.png';
+            $full_img_url = $img_base . $img_name;
+
+            // Modernes Card Design
+            ?>
+            <div id="wis-offer-<?php echo esc_attr($item->ID); ?>" style="background:#fff; border-radius:10px; border:1px solid #eee; padding:0; overflow:hidden; box-shadow:0 4px 10px rgba(0,0,0,0.05); text-align:center; font-family:-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;">
+                
+                <!-- Bild Bereich -->
+                <div style="position:relative; background:#2d2d2d; padding:15px; height:160px; display:flex; align-items:center; justify-content:center;">
+                    <?php if($is_daily): ?>
+                        <div style="position:absolute; top:10px; left:10px; background:linear-gradient(135deg, #6f42c1, #8e44ad); color:#fff; padding:4px 10px; font-size:10px; border-radius:20px; font-weight:bold; z-index:2; box-shadow:0 2px 4px rgba(0,0,0,0.3);">🎁 DAILY DEAL</div>
+                    <?php elseif($offer_price > 0): ?>
+                        <div style="position:absolute; top:10px; left:10px; background:linear-gradient(135deg, #ff416c, #ff4b2b); color:#fff; padding:4px 10px; font-size:10px; border-radius:20px; font-weight:bold; z-index:2; box-shadow:0 2px 4px rgba(0,0,0,0.3);">🔥 ANGEBOT</div>
+                    <?php endif; ?>
+                    
+                    <img src="<?php echo esc_url($full_img_url); ?>" alt="<?php echo esc_attr($item->post_title); ?>" style="max-width:90%; max-height:90%; object-fit:contain; filter:drop-shadow(0 4px 8px rgba(0,0,0,0.6)); transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);">
+                </div>
+
+                <!-- Inhalt -->
+                <div style="padding:15px;">
+                    <h4 style="margin:0 0 8px 0; font-size:15px; color:#333; line-height:1.3; font-weight:700; white-space:nowrap; overflow:hidden; text-overflow:ellipsis;"><?php echo esc_html($item->post_title); ?></h4>
+                    
+                    <div style="margin-bottom:12px; min-height:24px; display:flex; align-items:center; justify-content:center; gap:5px;">
+                        <?php if($show_old_price): ?>
+                            <span style="text-decoration:line-through; color:#999; font-size:11px;"><?php echo esc_html($price); ?> <?php echo esc_html($currency); ?></span>
+                        <?php endif; ?>
+                        <span style="font-size:20px; font-weight:800; color:#28a745; line-height:1;"><?php echo esc_html($final_price); ?> <span style="font-size:12px; font-weight:400; color:#666;"><?php echo esc_html($currency); ?></span></span>
+                    </div>
+
+                    <!-- Button mit URL -->
+                    <a href="<?php echo esc_url($target_url); ?>" style="display:block; padding:10px 0; background:linear-gradient(135deg, #667eea 0%, #764ba2 100%); color:#fff; text-decoration:none; border-radius:6px; font-weight:bold; font-size:13px; transition:opacity 0.2s; letter-spacing:0.5px;">
+                        <?php echo esc_html($instance['btn_text']); ?> 🛒
+                    </a>
+                </div>
+            </div>
+            
+            <script>
+            (function(){
+                var widget = document.getElementById('wis-offer-<?php echo esc_js($item->ID); ?>');
+                if(widget) {
+                    var img = widget.querySelector('img');
+                    var btn = widget.querySelector('a');
+                    
+                    if(img) {
+                        widget.addEventListener('mouseenter', function(){
+                            img.style.transform = 'scale(1.15) rotate(5deg)';
+                            widget.style.borderColor = '#667eea';
+                        });
+                        widget.addEventListener('mouseleave', function(){
+                            img.style.transform = 'scale(1) rotate(0deg)';
+                            widget.style.borderColor = '#eee';
+                        });
+                    }
+                }
+            })();
+            </script>
+            <?php
+        } else {
+            echo '<div style="background:#f8f9fa; border:1px dashed #ddd; border-radius:8px; padding:20px; text-align:center;"><p style="margin:0; color:#888; font-size:13px;">Kein Angebot verfügbar.</p></div>';
+        }
+
+        echo $args['after_widget'];
+    }
+}
+
+// Widget registrieren
+add_action( 'widgets_init', function(){
+    register_widget( 'WIS_Sidebar_Offer_Widget' );
+});
 ?>