FSST/Geizkragen
FSST/Geizkragen
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Implement wishlist functionality: add and remove items from userFavorites

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This commit is contained in:
Paul Eisenbock 2026-03-30 20:29:10 +02:00
parent 391f0a9853
commit d9ac63b647
1 changed files with 39 additions and 29 deletions
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68
productpage.php
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@ -94,36 +94,36 @@ if ($checkResult->num_rows === 0) {
}
?>
<?php
if (
$_SERVER['REQUEST_METHOD'] === 'POST' &&
isset($_POST['add_wishlist']) &&
isset($_SESSION['user_id'])
) {
<?php
// PRÜFEN: POST-Request und Nutzer ist eingeloggt
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_SESSION['user_id'])) {
if (!$alreadyInWishlist) {
// FALL 1: Zur Wunschliste hinzufügen
if (isset($_POST['add_wishlist']) && !$alreadyInWishlist) {
$stmtFav = mysqli_prepare($conn, "INSERT INTO userFavorites (productID, userID) VALUES (?, ?)");
if ($stmtFav) {
mysqli_stmt_bind_param($stmtFav, 'ii', $productId, $_SESSION['user_id']);
mysqli_stmt_execute($stmtFav);
mysqli_stmt_close($stmtFav);
$stmtFav = mysqli_prepare(
$conn,
"INSERT INTO userFavorites (productID, userID) VALUES (?, ?)"
);
if ($stmtFav) {
mysqli_stmt_bind_param(
$stmtFav,
'ii',
$productId,
$_SESSION['user_id']
);
mysqli_stmt_execute($stmtFav);
mysqli_stmt_close($stmtFav);
$alreadyInWishlist = true;
}
// Status aktualisieren, damit gleich der "Entfernen"-Button erscheint
$alreadyInWishlist = true;
}
}
?>
// FALL 2: Von der Wunschliste entfernen (NEU)
elseif (isset($_POST['remove_wishlist']) && $alreadyInWishlist) {
$stmtDel = mysqli_prepare($conn, "DELETE FROM userFavorites WHERE productID = ? AND userID = ?");
if ($stmtDel) {
mysqli_stmt_bind_param($stmtDel, 'ii', $productId, $_SESSION['user_id']);
mysqli_stmt_execute($stmtDel);
mysqli_stmt_close($stmtDel);
// Status aktualisieren, damit gleich wieder der "Hinzufügen"-Button erscheint
$alreadyInWishlist = false;
}
}
}
?>
<?php
@ -159,10 +159,18 @@ if ($checkResult->num_rows === 0) {
<?php if (isset($_SESSION['user_id'])): ?>
<?php if ($alreadyInWishlist): ?>
<div class="auth__actions">
<input class="auth__submit" type="button" value="Bereits in Wunschliste" disabled>
</div>
<form method="POST">
<input type="hidden" name="product_id" value="<?= (int)$productId ?>">
<input type="hidden" name="remove_wishlist" value="1">
<div class="auth__actions">
<input class="auth__submit" type="submit" value="Aus Wunschliste entfernen" style="background: #ef4444; border-color: #ef4444; color: white;">
</div>
</form>
<?php else: ?>
<form method="POST">
<input type="hidden" name="product_id" value="<?= (int)$productId ?>">
<input type="hidden" name="add_wishlist" value="1">
@ -170,7 +178,9 @@ if ($checkResult->num_rows === 0) {
<input class="auth__submit" type="submit" value="Zur Wunschliste hinzufügen">
</div>
</form>
<?php endif; ?>
<?php else: ?>
<div class="auth__actions">
<a href="login.php">