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Fixed limit to x by avoiding changing the original item (uses clone)

This commit is contained in:
Mike Jolley 2017-09-20 18:42:10 +01:00
parent 21dfde842a
commit 9c63da78c4
1 changed files with 17 additions and 10 deletions
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27
includes/class-wc-discounts.php
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@ -300,25 +300,31 @@ class WC_Discounts {
}
foreach ( $this->items as $item ) {
if ( 0 === $this->get_discounted_price_in_cents( $item ) ) {
$item_to_apply = clone $item; // Clone the item so changes to this item do not affect the originals.
if ( 0 === $this->get_discounted_price_in_cents( $item_to_apply ) ) {
continue;
}
if ( ! $coupon->is_valid_for_product( $item->product, $item->object ) && ! $coupon->is_valid_for_cart() ) {
if ( ! $coupon->is_valid_for_product( $item_to_apply->product, $item_to_apply->object ) && ! $coupon->is_valid_for_cart() ) {
continue;
}
if ( $limit_usage_qty && $applied_count > $limit_usage_qty ) {
if ( $limit_usage_qty && $applied_count >= $limit_usage_qty ) {
break;
}
if ( $limit_usage_qty && $item->quantity > ( $limit_usage_qty - $applied_count ) ) {
$limit_to_qty = absint( $limit_usage_qty - $applied_count );
$item->price = ( $item->price / $item->quantity ) * $limit_to_qty;
$item->quantity = $limit_to_qty; // Lower the qty so the discount is applied less.
if ( $limit_usage_qty && $item_to_apply->quantity > ( $limit_usage_qty - $applied_count ) ) {
$limit_to_qty = absint( $limit_usage_qty - $applied_count );
// Lower the qty and cost so the discount is applied less.
$item_to_apply->price = ( $item_to_apply->price / $item_to_apply->quantity ) * $limit_to_qty;
$item_to_apply->quantity = $limit_to_qty;
}
if ( 0 >= $item->quantity ) {
if ( 0 >= $item_to_apply->quantity ) {
continue;
}
$items_to_apply[] = $item;
$applied_count += $item->quantity;
$items_to_apply[] = $item_to_apply;
$applied_count += $item_to_apply->quantity;
}
return $items_to_apply;
}
@ -357,6 +363,7 @@ class WC_Discounts {
}
$discount = min( $discounted_price, $discount );
$total_discount += $discount;
// Store code and discount amount per item.