wunschliste.php modified that only products in database userFavorites are monitored. Problem with Wunschlisten Add button fixed. !!! Not possible yet: deleting things from wishlist !!!

assets/css/productpage.css

@@ -125,9 +125,8 @@ S
 .shop-left {
     display: flex;
     align-items: center;
-    gap: 16px;
+    gap: 28px;   /* vorher ~18px */
 }
-
 .shop-logo {
     display: flex;
     align-items: center;
@@ -152,12 +151,13 @@ S
 }
 
 .shop-middle {
-    display: flex;              /* statt column */
+    display: flex;
     align-items: center;
-    gap: 30px;                  /* Abstand zwischen Preis / Versand / Lager */
-    color: #cbd5e1;
+    gap: 55px;      /* vorher ~35px → jetzt deutlich mehr Abstand */
     font-size: 14px;
+    color: #cbd5e1;
 }
+
 .shop-shipping {
     display: flex;
     flex-direction: column;
@@ -184,6 +184,7 @@ S
 }
 
 .shop-price {
+    margin-left: auto;
     font-size: 18px;   /* kleiner als vorher */
     font-weight: 700;
     color: #4ade80;

productpage.php

@@ -70,36 +70,67 @@ $productId = isset($_GET['id']) ? (int)$_GET['id'] : 0;
 
     $result = $stmt->get_result();
     $product = $result->fetch_assoc();
+
+    $alreadyInWishlist = false;
+
+    if (isset($_SESSION['user_id'])) {
+
+        $stmtCheck = mysqli_prepare(
+                $conn,
+                "SELECT 1 FROM userFavorites 
+         WHERE userID = ? AND productID = ? 
+         LIMIT 1"
+        );
+
+        if ($stmtCheck) {
+            mysqli_stmt_bind_param(
+                    $stmtCheck,
+                    "ii",
+                    $_SESSION['user_id'],
+                    $productId
+            );
+
+            mysqli_stmt_execute($stmtCheck);
+            mysqli_stmt_store_result($stmtCheck);
+
+            if (mysqli_stmt_num_rows($stmtCheck) > 0) {
+                $alreadyInWishlist = true;
+            }
+
+            mysqli_stmt_close($stmtCheck);
+        }
+    }
     ?>
 
     <?php
-    $alreadyInWishlist = null;
-
     if (
             $_SERVER['REQUEST_METHOD'] === 'POST' &&
             isset($_POST['add_wishlist']) &&
             isset($_SESSION['user_id'])
     ) {
 
-        $userId = (int)$_SESSION['user_id'];
-        $productIdPost = (int)$_POST['product_id'];
-
-        if ($productIdPost > 0 && $alreadyInWishlist == null) {
+        if (!$alreadyInWishlist) {
 
             $stmtFav = mysqli_prepare(
                     $conn,
-                    "INSERT IGNORE INTO userFavorites (productID, userID) VALUES (?, ?)"
+                    "INSERT INTO userFavorites (productID, userID) VALUES (?, ?)"
             );
 
             if ($stmtFav) {
-                mysqli_stmt_bind_param($stmtFav, 'ii', $productIdPost, $userId);
+                mysqli_stmt_bind_param(
+                        $stmtFav,
+                        'ii',
+                        $productId,
+                        $_SESSION['user_id']
+                );
+
                 mysqli_stmt_execute($stmtFav);
                 mysqli_stmt_close($stmtFav);
+
                 $alreadyInWishlist = true;
             }
         }
     }
-
     ?>
 
     <div class="product-wrapper">
@@ -222,7 +253,7 @@ $productId = isset($_GET['id']) ? (int)$_GET['id'] : 0;
 
                     <div class="shop-middle">
                         <div class="shop-shipping">
-                            Versand: <?= htmlspecialchars($shop['shippingCost']) ?> €
+                            Versand: <?= htmlspecialchars($shop['shippingCost']) ?> € &nbsp &nbsp &nbsp
                             Lieferzeit: <?= htmlspecialchars($shop['shippingTime']) ?> Werktage
                         </div>
                         <div class="shop-stock <?= $shop['inStock'] ? 'in-stock' : 'out-stock' ?>">

wunschliste.php

@@ -25,34 +25,20 @@ if (!$conn)
 ?>
 
     <?php
-$activeCategory = isset($_GET['category']) ? $_GET['category'] : 'all';
+        if (!isset($_SESSION['user_id'])) {
+        header("Location: login.php");
+        exit();
+        }
     ?>
 
-<?php
-$categories = [
-        'iphone'  => ['id' => 20, 'label' => 'iPhone'],
-        'ipad'    => ['id' => 21, 'label' => 'iPad'],
-        'macbook' => ['id' => 22, 'label' => 'MacBook'],
-        'airpods' => ['id' => 23, 'label' => 'AirPods'],
-        'accessories' => ['id' => 24, 'label' => 'Accessories'],
-];
-?>
-
-
-
-
-<?php foreach ($categories as $key => $cat): ?>
-
-    <?php if ($activeCategory === 'all' || $activeCategory === $key): ?>
-
         <?php
         $stmt = $conn->prepare("
-            SELECT productID, model, description, imagePath
-            FROM products
-            WHERE categoryID = ?
+            SELECT products.productID, products.model, products.description, products.imagePath
+            FROM userFavorites INNER JOIN products ON userFavorites.productID = products.productID 
+            WHERE userID = ?
         ");
 
-        $stmt->bind_param("i", $cat['id']); // i = integer
+        $stmt->bind_param("i", $_SESSION['user_id']);
         $stmt->execute();
 
         $result = $stmt->get_result();
@@ -60,7 +46,6 @@ $categories = [
 
         <?php if ($result->num_rows > 0): ?>
             <section class="product-section">
-                <h2><?= htmlspecialchars($cat['label']) ?></h2>
 
                 <div class="product-scroll">
                     <?php while ($product = $result->fetch_assoc()): ?>
@@ -82,10 +67,6 @@ $categories = [
 
         <?php $stmt->close(); ?>
 
-    <?php endif; ?>
-
-<?php endforeach; ?>
-
 
 <head>
     <meta charset="UTF-8">