根据产品类别有条件地操作WooCommerce购物车项目
问题描述:
我正在使用WooCommerce创建在线食品交付网站,并且需要创建一个“使其成为餐”类型upsell供客户购买。根据产品类别有条件地操作WooCommerce购物车项目
我已经创建了一款名为“Make it a Meal”的产品,用户可以在其中选择饮料和他们选择的一面(使用变体)。然而,我需要的是这些产品中只有一种能够在每顿主餐中购买。
例子:
- 产品中的“主餐”类别添加到购物车
- 用户可以再加入“让它吃饭”的产品到购物车
- 用户不能添加第二个“使它成为一个膳食“产品,除非他们有”膳食餐“类别中的第二种产品,即每种产品只有一种产品
- 如果从购物车中取出”主餐“产品,则”去它做饭“也会被移除。
以前有人有过这种功能吗?我尝试了各种插件,但目前没有运气。
答
更新时间:
有可能首先检查上添加到购物车事件(可选显示错误通知):
add_filter('woocommerce_add_to_cart_validation', 'checking_products_added_to_cart', 10, 3);
function checking_products_added_to_cart($passed, $product_id, $quantity) {
$cat_add = 'Make it a Meal';
$cat_src = 'Main Meal';
if(has_term($cat_add, 'product_cat', $product_id)):
$main_meal_count = 0;
$make_it_a_meal_count = 0;
foreach (WC()->cart->get_cart() as $cart_item){
// Counting 'Main Meal' products in cart (with quantity)
if(has_term($cat_src, 'product_cat', $cart_item['product_id']))
$main_meal_count += $cart_item['quantity'];
// Counting 'Make it a Meal' products in cart (with quantity)
if(has_term($cat_add, 'product_cat', $cart_item['product_id']))
$make_it_a_meal_count += $cart_item['quantity'];
}
if($main_meal_count < ($make_it_a_meal_count + $quantity)) {
$passed = false;
// Displaying a message (optionnal)
wc_add_notice('my custom error message…', 'error');
}
endif;
return $passed;
}
然后,您还需要检查时,车量改变或购物车物品删除:
add_action('woocommerce_calculate_totals', 'check_removed_cart_items', 10, 1);
function check_removed_cart_items($cart_object) {
if (is_admin() && ! defined('DOING_AJAX'))
return;
$cat_add = 'Make it a Meal';
$cat_src = 'Main Meal';
$main_meal_count = 0;
$make_it_a_meal_count = 0;
// First loop: Counting cart items 'Main Meal' and 'Make it a Meal'
foreach ($cart_object->get_cart() as $item_values){
// Counting 'Main Meal' products in cart (with quantity)
if(has_term($cat_src, 'product_cat', $item_values['product_id']))
$main_meal_count += $item_values['quantity'];
// Counting 'Make it a Meal' products in cart (with quantity)
if(has_term($cat_add, 'product_cat', $item_values['product_id'])){
$make_it_a_meal_count += $item_values['quantity'];
}
}
$difference = intval($make_it_a_meal_count - $main_meal_count);
echo '<p>$main_meal_count is '.$main_meal_count.'</p>';
echo '<p>$make_it_a_meal_count is '.$make_it_a_meal_count.'</p>';
echo '<p>$difference is '.$difference.'</p>';
if($main_meal_count < $make_it_a_meal_count) {
echo '<p>case1</p>';
// Second Loop: Make necessary actions
foreach ($cart_object->get_cart() as $cart_item_key => $cart_item){
// Targeting 'Make it a Meal'
if(has_term($cat_add, 'product_cat', $cart_item['product_id'])){
$item_qty = intval($cart_item['quantity']);
if($item_qty == 1 && $difference == 1){
$cart_object->remove_cart_item($cart_item_key);
break;
} else {
if($item_qty > 1 && $difference <= $item_qty){
$cart_object->set_quantity($cart_item_key, ($item_qty - $difference));
break;
} else {
$cart_object->remove_cart_item($cart_item_key);
}
}
}
}
}
}
有了这2个挂钩功能,你有一个完整的解决方案。
代码会出现在您的活动子主题(或主题)的function.php文件中,或者也存在于任何插件文件中。
此代码已经过测试并可正常工作。
非常感谢你!这对于“简单产品”很有用。你知道如何让它与“变量产品”一起工作吗? – user2766888
只是为了确认,WooCommerce通知正确显示变量产品(即XXX产品已添加到购物车或我的自定义错误消息)。但是当我查看购物车时,变量产品未成功添加。 – user2766888