416 lines
13 KiB
PHP
416 lines
13 KiB
PHP
<?php
|
|
/**
|
|
* WooCommerce Stock Functions
|
|
*
|
|
* Functions used to manage product stock levels.
|
|
*
|
|
* @package WooCommerce\Functions
|
|
* @version 3.4.0
|
|
*/
|
|
|
|
defined( 'ABSPATH' ) || exit;
|
|
|
|
/**
|
|
* Update a product's stock amount.
|
|
*
|
|
* Uses queries rather than update_post_meta so we can do this in one query (to avoid stock issues).
|
|
*
|
|
* @since 3.0.0 this supports set, increase and decrease.
|
|
*
|
|
* @param int|WC_Product $product Product ID or product instance.
|
|
* @param int|null $stock_quantity Stock quantity.
|
|
* @param string $operation Type of opertion, allows 'set', 'increase' and 'decrease'.
|
|
* @param bool $updating If true, the product object won't be saved here as it will be updated later.
|
|
* @return bool|int|null
|
|
*/
|
|
function wc_update_product_stock( $product, $stock_quantity = null, $operation = 'set', $updating = false ) {
|
|
if ( ! is_a( $product, 'WC_Product' ) ) {
|
|
$product = wc_get_product( $product );
|
|
}
|
|
|
|
if ( ! $product ) {
|
|
return false;
|
|
}
|
|
|
|
if ( ! is_null( $stock_quantity ) && $product->managing_stock() ) {
|
|
// Some products (variations) can have their stock managed by their parent. Get the correct object to be updated here.
|
|
$product_id_with_stock = $product->get_stock_managed_by_id();
|
|
$product_with_stock = $product_id_with_stock !== $product->get_id() ? wc_get_product( $product_id_with_stock ) : $product;
|
|
$data_store = WC_Data_Store::load( 'product' );
|
|
|
|
// Fire actions to let 3rd parties know the stock is about to be changed.
|
|
if ( $product_with_stock->is_type( 'variation' ) ) {
|
|
do_action( 'woocommerce_variation_before_set_stock', $product_with_stock );
|
|
} else {
|
|
do_action( 'woocommerce_product_before_set_stock', $product_with_stock );
|
|
}
|
|
|
|
// Update the database.
|
|
$new_stock = $data_store->update_product_stock( $product_id_with_stock, $stock_quantity, $operation );
|
|
|
|
// Update the product object.
|
|
$data_store->read_stock_quantity( $product_with_stock, $new_stock );
|
|
|
|
// If this is not being called during an update routine, save the product so stock status etc is in sync, and caches are cleared.
|
|
if ( ! $updating ) {
|
|
$product_with_stock->save();
|
|
}
|
|
|
|
// Fire actions to let 3rd parties know the stock changed.
|
|
if ( $product_with_stock->is_type( 'variation' ) ) {
|
|
do_action( 'woocommerce_variation_set_stock', $product_with_stock );
|
|
} else {
|
|
do_action( 'woocommerce_product_set_stock', $product_with_stock );
|
|
}
|
|
|
|
return $product_with_stock->get_stock_quantity();
|
|
}
|
|
return $product->get_stock_quantity();
|
|
}
|
|
|
|
/**
|
|
* Update a product's stock status.
|
|
*
|
|
* @param int $product_id Product ID.
|
|
* @param string $status Status.
|
|
*/
|
|
function wc_update_product_stock_status( $product_id, $status ) {
|
|
$product = wc_get_product( $product_id );
|
|
|
|
if ( $product ) {
|
|
$product->set_stock_status( $status );
|
|
$product->save();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* When a payment is complete, we can reduce stock levels for items within an order.
|
|
*
|
|
* @since 3.0.0
|
|
* @param int $order_id Order ID.
|
|
*/
|
|
function wc_maybe_reduce_stock_levels( $order_id ) {
|
|
$order = wc_get_order( $order_id );
|
|
|
|
if ( ! $order ) {
|
|
return;
|
|
}
|
|
|
|
$stock_reduced = $order->get_data_store()->get_stock_reduced( $order_id );
|
|
$trigger_reduce = apply_filters( 'woocommerce_payment_complete_reduce_order_stock', ! $stock_reduced, $order_id );
|
|
|
|
// Only continue if we're reducing stock.
|
|
if ( ! $trigger_reduce ) {
|
|
return;
|
|
}
|
|
|
|
wc_reduce_stock_levels( $order );
|
|
|
|
// Ensure stock is marked as "reduced" in case payment complete or other stock actions are called.
|
|
$order->get_data_store()->set_stock_reduced( $order_id, true );
|
|
}
|
|
add_action( 'woocommerce_payment_complete', 'wc_maybe_reduce_stock_levels' );
|
|
add_action( 'woocommerce_order_status_completed', 'wc_maybe_reduce_stock_levels' );
|
|
add_action( 'woocommerce_order_status_processing', 'wc_maybe_reduce_stock_levels' );
|
|
add_action( 'woocommerce_order_status_on-hold', 'wc_maybe_reduce_stock_levels' );
|
|
|
|
/**
|
|
* When a payment is cancelled, restore stock.
|
|
*
|
|
* @since 3.0.0
|
|
* @param int $order_id Order ID.
|
|
*/
|
|
function wc_maybe_increase_stock_levels( $order_id ) {
|
|
$order = wc_get_order( $order_id );
|
|
|
|
if ( ! $order ) {
|
|
return;
|
|
}
|
|
|
|
$stock_reduced = $order->get_data_store()->get_stock_reduced( $order_id );
|
|
$trigger_increase = (bool) $stock_reduced;
|
|
|
|
// Only continue if we're increasing stock.
|
|
if ( ! $trigger_increase ) {
|
|
return;
|
|
}
|
|
|
|
wc_increase_stock_levels( $order );
|
|
|
|
// Ensure stock is not marked as "reduced" anymore.
|
|
$order->get_data_store()->set_stock_reduced( $order_id, false );
|
|
}
|
|
add_action( 'woocommerce_order_status_cancelled', 'wc_maybe_increase_stock_levels' );
|
|
add_action( 'woocommerce_order_status_pending', 'wc_maybe_increase_stock_levels' );
|
|
|
|
/**
|
|
* Reduce stock levels for items within an order, if stock has not already been reduced for the items.
|
|
*
|
|
* @since 3.0.0
|
|
* @param int|WC_Order $order_id Order ID or order instance.
|
|
*/
|
|
function wc_reduce_stock_levels( $order_id ) {
|
|
if ( is_a( $order_id, 'WC_Order' ) ) {
|
|
$order = $order_id;
|
|
$order_id = $order->get_id();
|
|
} else {
|
|
$order = wc_get_order( $order_id );
|
|
}
|
|
// We need an order, and a store with stock management to continue.
|
|
if ( ! $order || 'yes' !== get_option( 'woocommerce_manage_stock' ) || ! apply_filters( 'woocommerce_can_reduce_order_stock', true, $order ) ) {
|
|
return;
|
|
}
|
|
|
|
$changes = array();
|
|
|
|
// Loop over all items.
|
|
foreach ( $order->get_items() as $item ) {
|
|
if ( ! $item->is_type( 'line_item' ) ) {
|
|
continue;
|
|
}
|
|
|
|
// Only reduce stock once for each item.
|
|
$product = $item->get_product();
|
|
$item_stock_reduced = $item->get_meta( '_reduced_stock', true );
|
|
|
|
if ( $item_stock_reduced || ! $product || ! $product->managing_stock() ) {
|
|
continue;
|
|
}
|
|
|
|
/**
|
|
* Filter order item quantity.
|
|
*
|
|
* @param int|float $quantity Quantity.
|
|
* @param WC_Order $order Order data.
|
|
* @param WC_Order_Item_Product $item Order item data.
|
|
*/
|
|
$qty = apply_filters( 'woocommerce_order_item_quantity', $item->get_quantity(), $order, $item );
|
|
$item_name = $product->get_formatted_name();
|
|
$new_stock = wc_update_product_stock( $product, $qty, 'decrease' );
|
|
|
|
if ( is_wp_error( $new_stock ) ) {
|
|
/* translators: %s item name. */
|
|
$order->add_order_note( sprintf( __( 'Unable to reduce stock for item %s.', 'woocommerce' ), $item_name ) );
|
|
continue;
|
|
}
|
|
|
|
$item->add_meta_data( '_reduced_stock', $qty, true );
|
|
$item->save();
|
|
|
|
$changes[] = array(
|
|
'product' => $product,
|
|
'from' => $new_stock + $qty,
|
|
'to' => $new_stock,
|
|
);
|
|
}
|
|
|
|
wc_trigger_stock_change_notifications( $order, $changes );
|
|
|
|
do_action( 'woocommerce_reduce_order_stock', $order );
|
|
}
|
|
|
|
/**
|
|
* After stock change events, triggers emails and adds order notes.
|
|
*
|
|
* @since 3.5.0
|
|
* @param WC_Order $order order object.
|
|
* @param array $changes Array of changes.
|
|
*/
|
|
function wc_trigger_stock_change_notifications( $order, $changes ) {
|
|
if ( empty( $changes ) ) {
|
|
return;
|
|
}
|
|
|
|
$order_notes = array();
|
|
$no_stock_amount = absint( get_option( 'woocommerce_notify_no_stock_amount', 0 ) );
|
|
|
|
foreach ( $changes as $change ) {
|
|
$order_notes[] = $change['product']->get_formatted_name() . ' ' . $change['from'] . '→' . $change['to'];
|
|
$low_stock_amount = absint( wc_get_low_stock_amount( wc_get_product( $change['product']->get_id() ) ) );
|
|
if ( $change['to'] <= $no_stock_amount ) {
|
|
do_action( 'woocommerce_no_stock', wc_get_product( $change['product']->get_id() ) );
|
|
} elseif ( $change['to'] <= $low_stock_amount ) {
|
|
do_action( 'woocommerce_low_stock', wc_get_product( $change['product']->get_id() ) );
|
|
}
|
|
|
|
if ( $change['to'] < 0 ) {
|
|
do_action(
|
|
'woocommerce_product_on_backorder',
|
|
array(
|
|
'product' => wc_get_product( $change['product']->get_id() ),
|
|
'order_id' => $order->get_id(),
|
|
'quantity' => abs( $change['from'] - $change['to'] ),
|
|
)
|
|
);
|
|
}
|
|
}
|
|
|
|
$order->add_order_note( __( 'Stock levels reduced:', 'woocommerce' ) . ' ' . implode( ', ', $order_notes ) );
|
|
}
|
|
|
|
/**
|
|
* Increase stock levels for items within an order.
|
|
*
|
|
* @since 3.0.0
|
|
* @param int|WC_Order $order_id Order ID or order instance.
|
|
*/
|
|
function wc_increase_stock_levels( $order_id ) {
|
|
if ( is_a( $order_id, 'WC_Order' ) ) {
|
|
$order = $order_id;
|
|
$order_id = $order->get_id();
|
|
} else {
|
|
$order = wc_get_order( $order_id );
|
|
}
|
|
|
|
// We need an order, and a store with stock management to continue.
|
|
if ( ! $order || 'yes' !== get_option( 'woocommerce_manage_stock' ) || ! apply_filters( 'woocommerce_can_restore_order_stock', true, $order ) ) {
|
|
return;
|
|
}
|
|
|
|
$changes = array();
|
|
|
|
// Loop over all items.
|
|
foreach ( $order->get_items() as $item ) {
|
|
if ( ! $item->is_type( 'line_item' ) ) {
|
|
continue;
|
|
}
|
|
|
|
// Only increase stock once for each item.
|
|
$product = $item->get_product();
|
|
$item_stock_reduced = $item->get_meta( '_reduced_stock', true );
|
|
|
|
if ( ! $item_stock_reduced || ! $product || ! $product->managing_stock() ) {
|
|
continue;
|
|
}
|
|
|
|
$item_name = $product->get_formatted_name();
|
|
$new_stock = wc_update_product_stock( $product, $item_stock_reduced, 'increase' );
|
|
|
|
if ( is_wp_error( $new_stock ) ) {
|
|
/* translators: %s item name. */
|
|
$order->add_order_note( sprintf( __( 'Unable to restore stock for item %s.', 'woocommerce' ), $item_name ) );
|
|
continue;
|
|
}
|
|
|
|
$item->delete_meta_data( '_reduced_stock' );
|
|
$item->save();
|
|
|
|
$changes[] = $item_name . ' ' . ( $new_stock - $item_stock_reduced ) . '→' . $new_stock;
|
|
}
|
|
|
|
if ( $changes ) {
|
|
$order->add_order_note( __( 'Stock levels increased:', 'woocommerce' ) . ' ' . implode( ', ', $changes ) );
|
|
}
|
|
|
|
do_action( 'woocommerce_restore_order_stock', $order );
|
|
}
|
|
|
|
/**
|
|
* See how much stock is being held in pending orders.
|
|
*
|
|
* @since 3.5.0
|
|
* @param WC_Product $product Product to check.
|
|
* @param integer $exclude_order_id Order ID to exclude.
|
|
* @return int
|
|
*/
|
|
function wc_get_held_stock_quantity( WC_Product $product, $exclude_order_id = 0 ) {
|
|
/**
|
|
* Filter: woocommerce_hold_stock_for_checkout
|
|
* Allows enable/disable hold stock functionality on checkout.
|
|
*
|
|
* @since 4.3.0
|
|
* @param bool $enabled Default to true if managing stock globally.
|
|
*/
|
|
if ( ! apply_filters( 'woocommerce_hold_stock_for_checkout', wc_string_to_bool( get_option( 'woocommerce_manage_stock', 'yes' ) ) ) ) {
|
|
return 0;
|
|
}
|
|
|
|
return ( new \Automattic\WooCommerce\Checkout\Helpers\ReserveStock() )->get_reserved_stock( $product, $exclude_order_id );
|
|
}
|
|
|
|
/**
|
|
* Hold stock for an order.
|
|
*
|
|
* @throws ReserveStockException If reserve stock fails.
|
|
*
|
|
* @since 4.1.0
|
|
* @param \WC_Order|int $order Order ID or instance.
|
|
*/
|
|
function wc_reserve_stock_for_order( $order ) {
|
|
/**
|
|
* Filter: woocommerce_hold_stock_for_checkout
|
|
* Allows enable/disable hold stock functionality on checkout.
|
|
*
|
|
* @since @since 4.1.0
|
|
* @param bool $enabled Default to true if managing stock globally.
|
|
*/
|
|
if ( ! apply_filters( 'woocommerce_hold_stock_for_checkout', wc_string_to_bool( get_option( 'woocommerce_manage_stock', 'yes' ) ) ) ) {
|
|
return;
|
|
}
|
|
|
|
$order = $order instanceof WC_Order ? $order : wc_get_order( $order );
|
|
|
|
if ( $order ) {
|
|
( new \Automattic\WooCommerce\Checkout\Helpers\ReserveStock() )->reserve_stock_for_order( $order );
|
|
}
|
|
}
|
|
add_action( 'woocommerce_checkout_order_created', 'wc_reserve_stock_for_order' );
|
|
|
|
/**
|
|
* Release held stock for an order.
|
|
*
|
|
* @since 4.3.0
|
|
* @param \WC_Order|int $order Order ID or instance.
|
|
*/
|
|
function wc_release_stock_for_order( $order ) {
|
|
/**
|
|
* Filter: woocommerce_hold_stock_for_checkout
|
|
* Allows enable/disable hold stock functionality on checkout.
|
|
*
|
|
* @since 4.3.0
|
|
* @param bool $enabled Default to true if managing stock globally.
|
|
*/
|
|
if ( ! apply_filters( 'woocommerce_hold_stock_for_checkout', wc_string_to_bool( get_option( 'woocommerce_manage_stock', 'yes' ) ) ) ) {
|
|
return;
|
|
}
|
|
|
|
$order = $order instanceof WC_Order ? $order : wc_get_order( $order );
|
|
|
|
if ( $order ) {
|
|
( new \Automattic\WooCommerce\Checkout\Helpers\ReserveStock() )->release_stock_for_order( $order );
|
|
}
|
|
}
|
|
add_action( 'woocommerce_checkout_order_exception', 'wc_release_stock_for_order' );
|
|
add_action( 'woocommerce_payment_complete', 'wc_release_stock_for_order', 11 );
|
|
add_action( 'woocommerce_order_status_cancelled', 'wc_release_stock_for_order', 11 );
|
|
add_action( 'woocommerce_order_status_completed', 'wc_release_stock_for_order', 11 );
|
|
add_action( 'woocommerce_order_status_processing', 'wc_release_stock_for_order', 11 );
|
|
add_action( 'woocommerce_order_status_on-hold', 'wc_release_stock_for_order', 11 );
|
|
|
|
/**
|
|
* Return low stock amount to determine if notification needs to be sent
|
|
*
|
|
* Since 5.2.0, this function no longer redirects from variation to its parent product.
|
|
* Low stock amount can now be attached to the variation itself and if it isn't, only
|
|
* then we check the parent product, and if it's not there, then we take the default
|
|
* from the store-wide setting.
|
|
*
|
|
* @param WC_Product $product Product to get data from.
|
|
* @since 3.5.0
|
|
* @return int
|
|
*/
|
|
function wc_get_low_stock_amount( WC_Product $product ) {
|
|
$low_stock_amount = $product->get_low_stock_amount();
|
|
|
|
if ( '' === $low_stock_amount && $product->is_type( 'variation' ) ) {
|
|
$product = wc_get_product( $product->get_parent_id() );
|
|
$low_stock_amount = $product->get_low_stock_amount();
|
|
}
|
|
|
|
if ( '' === $low_stock_amount ) {
|
|
$low_stock_amount = get_option( 'woocommerce_notify_low_stock_amount', 2 );
|
|
}
|
|
|
|
return (int) $low_stock_amount;
|
|
}
|