458 lines
16 KiB
PHP
458 lines
16 KiB
PHP
<?php
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// productpage.php
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require_once __DIR__ . '/lib/bootstrap.php';
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// 1) DB-Verbindung (einmal)
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$servername = "localhost";
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$port = 3306;
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$username = "FSST";
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$password = "L9wUNZZ9Qkbt";
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$db = "FSST";
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$conn = mysqli_connect($servername, $username, $password, $db, $port);
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if (!$conn)
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{
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http_response_code(500);
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die("Datenbankfehler");
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}
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$productId = isset($_GET['id']) ? (int)$_GET['id'] : 0;
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?>
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<?php include 'header.php'; ?>
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<?php if ($productId <= 0): ?>
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<section class="product-section">
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<h2>Produkt nicht gefunden</h2>
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<p>Bitte eine gueltige Produkt-ID mitgeben.</p>
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</section>
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<?php else: ?>
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<?php
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$stmt = $conn->prepare("
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SELECT
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a.name,
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a.unit,
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a.dataType,
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pa.valueString,
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pa.valueNumber,
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pa.valueBool,
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p.model,
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p.description,
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p.imagePath
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FROM products p
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INNER JOIN categoryAttributes ca
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ON p.categoryID = ca.categoryID
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INNER JOIN attributes a
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ON ca.attributeID = a.attributeID
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LEFT JOIN productAttributes pa
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ON pa.productID = p.productID
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AND pa.attributeID = a.attributeID
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WHERE p.productID = ?
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ORDER BY a.attributeID
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");
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$stmt->bind_param("i", $productId);
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$stmt->execute();
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$result = $stmt->get_result();
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$product = $result->fetch_assoc();
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$alreadyInWishlist = false;
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if (isset($_SESSION['user_id'])) {
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$stmtCheck = mysqli_prepare(
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$conn,
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"SELECT 1 FROM userFavorites
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WHERE userID = ? AND productID = ?
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LIMIT 1"
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);
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if ($stmtCheck) {
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mysqli_stmt_bind_param(
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$stmtCheck,
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"ii",
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$_SESSION['user_id'],
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$productId
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);
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mysqli_stmt_execute($stmtCheck);
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mysqli_stmt_store_result($stmtCheck);
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if (mysqli_stmt_num_rows($stmtCheck) > 0) {
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$alreadyInWishlist = true;
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}
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mysqli_stmt_close($stmtCheck);
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}
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}
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?>
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<?php
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if (
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$_SERVER['REQUEST_METHOD'] === 'POST' &&
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isset($_POST['add_wishlist']) &&
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isset($_SESSION['user_id'])
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) {
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if (!$alreadyInWishlist) {
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$stmtFav = mysqli_prepare(
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$conn,
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"INSERT INTO userFavorites (productID, userID) VALUES (?, ?)"
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);
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if ($stmtFav) {
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mysqli_stmt_bind_param(
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$stmtFav,
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'ii',
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$productId,
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$_SESSION['user_id']
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);
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mysqli_stmt_execute($stmtFav);
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mysqli_stmt_close($stmtFav);
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$alreadyInWishlist = true;
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}
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}
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}
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?>
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<?php
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// SQL korrigiert: SUM statt COUNT für die bedingten Zählungen
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$stmtRevOv = mysqli_prepare($conn,
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"SELECT ROUND(AVG(rating), 1) as avgRating,
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COUNT(*) as reviewCount,
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SUM(rating = 5) as fiveStarCount,
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SUM(rating = 4) as fourStarCount,
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SUM(rating = 3) as threeStarCount,
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SUM(rating = 2) as twoStarCount,
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SUM(rating = 1) as oneStarCount
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FROM reviews WHERE productID = ?");
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$stmtRevOv->bind_param("i", $productId);
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$stmtRevOv->execute();
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$resultRevOv = $stmtRevOv->get_result();
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$reviewOverview = $resultRevOv->fetch_assoc();
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// Falls NULL zurückkommt (keine Bewertungen), auf 0 setzen
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if ($reviewOverview['reviewCount'] === null) {
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$reviewOverview['reviewCount'] = 0;
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}
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?>
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<div class="product-wrapper">
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<div class="product-left">
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<div class="product-image-box">
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<img src="<?= isset($product['imagePath']) ? $product['imagePath'] : 'assets/images/placeholder.png' ?>"
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alt="<?= htmlspecialchars($product['model'] ?? 'Produktbild') ?>">
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</div>
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<?php if (isset($_SESSION['user_id'])): ?>
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<?php if ($alreadyInWishlist): ?>
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<div class="auth__actions">
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<input class="auth__submit" type="button" value="Bereits in Wunschliste" disabled>
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</div>
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<?php else: ?>
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<form method="POST">
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<input type="hidden" name="product_id" value="<?= (int)$productId ?>">
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<input type="hidden" name="add_wishlist" value="1">
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<div class="auth__actions">
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<input class="auth__submit" type="submit" value="Zur Wunschliste hinzufügen">
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</div>
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</form>
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<?php endif; ?>
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<?php else: ?>
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<div class="auth__actions">
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<a href="login.php">
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<input class="auth__submit" type="button" value="Zum Hinzufügen einloggen">
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</a>
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</div>
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<?php endif; ?>
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<div class="review-overview-box">
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<?php if ($reviewOverview['reviewCount'] > 0): ?>
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<div class="overview-header">
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<div class="overview-avg">
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<?= htmlspecialchars($reviewOverview['avgRating']) ?> <span class="star filled">★</span>
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</div>
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<div class="overview-count">
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basierend auf <?= htmlspecialchars($reviewOverview['reviewCount']) ?> Bewertungen
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</div>
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</div>
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<div class="overview-breakdown">
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<?php
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// Ein kleines Array für die saubere Ausgabe mit einer Schleife
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$starCounts = [
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5 => (int)$reviewOverview['fiveStarCount'],
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4 => (int)$reviewOverview['fourStarCount'],
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3 => (int)$reviewOverview['threeStarCount'],
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2 => (int)$reviewOverview['twoStarCount'],
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1 => (int)$reviewOverview['oneStarCount']
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];
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foreach ($starCounts as $stars => $count):
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// Prozentwert für den Balken berechnen
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$percent = ($reviewOverview['reviewCount'] > 0) ? round(($count / $reviewOverview['reviewCount']) * 100) : 0;
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?>
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<div class="breakdown-row">
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<div class="breakdown-stars"><?= $stars ?> Sterne</div>
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<div class="breakdown-bar-bg">
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<div class="breakdown-bar-fill" style="width: <?= $percent ?>%;"></div>
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</div>
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<div class="breakdown-num"><?= $count ?></div>
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</div>
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<?php endforeach; ?>
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</div>
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<?php else: ?>
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<div class="overview-empty">
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<p>Noch keine Bewertungen vorhanden.</p>
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</div>
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<?php endif; ?>
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</div>
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</div>
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<div class="product-right">
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<h1 class="product-title">
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<?= htmlspecialchars($product['model'] ?? 'Produkt') ?>
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</h1>
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<div class="product-specs">
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<div class="product-desc">
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<?= htmlspecialchars($product['description']) ?>
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</div>
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<?php
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while ($row = $result->fetch_assoc()) {
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echo "<p><strong>{$row['name']}:</strong> ";
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if (!empty($row['valueString'])) echo $row['valueString'];
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if (!empty($row['valueNumber'])) echo $row['valueNumber'] . " " . $row['unit'];
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if (!is_null($row['valueBool'])) echo $row['valueBool'] ? "Ja" : "Nein";
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echo "</p>";
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}
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?>
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</div>
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</div>
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</div>
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<?php
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$stmt = mysqli_prepare($conn,
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"SELECT price, shippingCost, inStock, shops.name, offers.offerURL, shops.logoPath, shops.shippingTime
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FROM offers
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INNER JOIN shops ON
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offers.shopID = shops.shopID WHERE offers.productID = ? ORDER BY offers.price ASC");
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$stmt->bind_param("i", $productId);
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$stmt->execute();
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$result = $stmt->get_result();
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$shopInfo = [];
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while ($row = $result->fetch_assoc()) {
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$shopInfo[] = $row;
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}
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?>
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<div class="shop-offers">
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<?php if (!empty($shopInfo)): ?>
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<?php foreach ($shopInfo as $shop): ?>
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<div class="shop-line">
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<div class="shop-left">
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<div class="shop-logo">
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<img src="<?= isset($shop['logoPath']) ? $shop['logoPath'] : 'assets/images/placeholder.png' ?>"
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alt ="Kein Logo gefunden" >
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</div>
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<div class="shop-name">
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<a href="<?= htmlspecialchars($shop['offerURL']) ?>" target="_blank">
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<?= htmlspecialchars($shop['name']) ?>
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</a>
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</div>
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</div>
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<div class="shop-middle">
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<div class="shop-shipping">
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Versand: <?= htmlspecialchars($shop['shippingCost']) ?> €      
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Lieferzeit: <?= htmlspecialchars($shop['shippingTime']) ?> Werktage
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</div>
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<div class="shop-stock <?= $shop['inStock'] ? 'in-stock' : 'out-stock' ?>">
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<?= $shop['inStock'] ? "Lagernd" : "Nicht lagernd" ?>
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</div>
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<div class="shop-price">
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Preis: <?= htmlspecialchars($shop['price']) ?> € <br>
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</div>
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</div>
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</div>
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<?php endforeach; ?>
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<?php else: ?>
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<div class="no-shop">
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<p>Keine Shops bieten dieses Produkt an.</p>
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</div>
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<?php endif; ?>
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</div>
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<?php $stmt->close(); ?>
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<?php
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$stmt = mysqli_prepare($conn,
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" SELECT rating, comment, users.displayname FROM reviews
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INNER JOIN users ON reviews.userID = users.userID
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WHERE productID = ? ORDER BY rating DESC");
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$stmt->bind_param("i", $productId);
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$stmt->execute();
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$result = $stmt->get_result();
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$reviews = [];
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while ($row = $result->fetch_assoc()) {
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$reviews[] = $row;
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}
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?>
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<div class="reviews">
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<h2 class="reviews-title">Bewertungen</h2>
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<div class="reviews-all">
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<?php if (!empty($reviews)): ?>
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<?php foreach ($reviews as $review): ?>
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<div class="review-card">
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<div class="review-header">
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<div class="review-user">
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<?= htmlspecialchars($review['displayname']) ?>
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</div>
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<div class="review-rating">
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<?php for ($i = 1; $i <= 5; $i++): ?>
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<span class="star <?= $i <= $review['rating'] ? 'filled' : '' ?>">★</span>
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<?php endfor; ?>
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</div>
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</div>
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<div class="review-comment">
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<?= nl2br(htmlspecialchars($review['comment'])) ?>
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</div>
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</div>
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<?php endforeach; ?>
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<?php else: ?>
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<div class="no-review">
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<p>Es gibt noch keine Bewertungen.</p>
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</div>
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<?php endif; ?>
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</div>
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<div class="review-add">
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<h2 class="reviews-title">Füge deine Bewertung hinzu!</h2>
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<?php
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// Die Logik bleibt hier unten im Block!
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if (
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$_SERVER['REQUEST_METHOD'] === 'POST' &&
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isset($_POST['submit_review']) &&
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isset($_SESSION['user_id'])
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) {
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$rating = (int)$_POST['rating'];
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$comment = trim($_POST['comment']);
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$userID = $_SESSION['user_id'];
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if ($rating >= 1 && $rating <= 5 && !empty($comment)) {
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$stmtInsertRev = mysqli_prepare(
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$conn,
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"INSERT INTO reviews (userID, productID, rating, comment) VALUES (?, ?, ?, ?)"
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);
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if ($stmtInsertRev) {
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mysqli_stmt_bind_param(
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$stmtInsertRev,
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"iiis",
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$userID,
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$productId,
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$rating,
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$comment
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);
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mysqli_stmt_execute($stmtInsertRev);
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mysqli_stmt_close($stmtInsertRev);
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// TRICK: JavaScript-Weiterleitung anstelle von PHP-Header!
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echo "<script>window.location.href = 'productpage.php?id=" . $productId . "';</script>";
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exit;
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}
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}
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}
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?>
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<div class="review-card">
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<?php if (isset($_SESSION['user_id'])): ?>
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<form class="review-input-form" method="post" autocomplete="off">
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<input type="hidden" name="submit_review" value="1">
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<div class="rating-input">
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<input type="radio" id="star5" name="rating" value="5" required />
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<label for="star5" title="5 Sterne">★</label>
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<input type="radio" id="star4" name="rating" value="4" />
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<label for="star4" title="4 Sterne">★</label>
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<input type="radio" id="star3" name="rating" value="3" />
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<label for="star3" title="3 Sterne">★</label>
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<input type="radio" id="star2" name="rating" value="2" />
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<label for="star2" title="2 Sterne">★</label>
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<input type="radio" id="star1" name="rating" value="1" />
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<label for="star1" title="1 Stern">★</label>
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</div>
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<textarea class="review-comment-input" name="comment" rows="4"
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placeholder="Teile deine Meinung mit anderen!" required></textarea>
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<input class="auth__submit" type="submit" value="Senden">
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</form>
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<?php else: ?>
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<div class="review-login-prompt">
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<p class="review-login-msg">Du musst eingeloggt sein, um eine Bewertung abzugeben.</p>
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<a href="login.php">
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<input class="auth__submit" type="button" value="Zum Einloggen">
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</a>
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</div>
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<?php endif; ?>
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</div>
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</div>
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<?php endif; ?>
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<?php include 'footer.php'; ?>
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