Handle stock for self and children, as well as syncing status with the children

This commit is contained in:
Mike Jolley 2014-06-24 13:03:25 +01:00
parent d65cb855bc
commit 21d37e86c2
1 changed files with 138 additions and 75 deletions

View File

@ -22,9 +22,8 @@ class WC_Product_Variable extends WC_Product {
public $total_stock; public $total_stock;
/** /**
* __construct function. * Constructor
* *
* @access public
* @param mixed $product * @param mixed $product
*/ */
public function __construct( $product ) { public function __construct( $product ) {
@ -51,24 +50,20 @@ class WC_Product_Variable extends WC_Product {
* @return int * @return int
*/ */
public function get_total_stock() { public function get_total_stock() {
if ( empty( $this->total_stock ) ) { if ( empty( $this->total_stock ) ) {
$transient_name = 'wc_product_total_stock_' . $this->id; $transient_name = 'wc_product_total_stock_' . $this->id;
if ( false === ( $this->total_stock = get_transient( $transient_name ) ) ) { if ( false === ( $this->total_stock = get_transient( $transient_name ) ) ) {
$this->total_stock = $this->stock; $this->total_stock = max( 0, intval( $this->stock ) );
if ( sizeof( $this->get_children() ) > 0 ) { if ( sizeof( $this->get_children() ) > 0 ) {
foreach ($this->get_children() as $child_id) { foreach ( $this->get_children() as $child_id ) {
$stock = get_post_meta( $child_id, '_stock', true ); if ( 'yes' === get_post_meta( $child_id, '_manage_stock', true ) ) {
$stock = get_post_meta( $child_id, '_stock', true );
if ( $stock != '' ) { $this->total_stock += max( 0, intval( $stock ) );
$this->total_stock += intval( $stock );
} }
} }
} }
set_transient( $transient_name, $this->total_stock, YEAR_IN_SECONDS ); set_transient( $transient_name, $this->total_stock, YEAR_IN_SECONDS );
} }
} }
@ -82,14 +77,50 @@ class WC_Product_Variable extends WC_Product {
* @param string $mode can be set, add, or subtract * @param string $mode can be set, add, or subtract
* @return int Stock * @return int Stock
*/ */
function set_stock( $amount = null, $mode = 'set' ) { public function set_stock( $amount = null, $mode = 'set' ) {
// Empty total stock so its refreshed
$this->total_stock = ''; $this->total_stock = '';
delete_transient( 'wc_product_total_stock_' . $this->id );
// Call parent set_stock
return parent::set_stock( $amount, $mode ); return parent::set_stock( $amount, $mode );
} }
/**
* Performed after a stock level change at product level
*/
protected function check_stock_status() {
$set_child_stock_status = '';
if ( ! $this->backorders_allowed() && $this->get_stock_quantity() <= get_option( 'woocommerce_notify_no_stock_amount' ) ) {
$set_child_stock_status = 'outofstock';
} elseif ( $this->backorders_allowed() || $this->get_stock_quantity() > get_option( 'woocommerce_notify_no_stock_amount' ) ) {
$set_child_stock_status = 'instock';
}
if ( $set_child_stock_status ) {
foreach ( $this->get_children() as $child_id ) {
if ( 'yes' !== get_post_meta( $child_id, '_manage_stock', true ) ) {
wc_update_product_stock_status( $child_id, $set_child_stock_status );
}
}
// Children statuses changed, so sync self
self::sync_stock_status( $this->id );
}
}
/**
* set_stock_status function.
*
* @access public
* @return void
*/
public function set_stock_status( $status ) {
$status = ( 'outofstock' === $status ) ? 'outofstock' : 'instock';
if ( update_post_meta( $this->id, '_stock_status', $status ) ) {
do_action( 'woocommerce_product_set_stock_status', $this->id, $status );
}
}
/** /**
* Return the products children posts. * Return the products children posts.
* *
@ -97,11 +128,9 @@ class WC_Product_Variable extends WC_Product {
* @return array of children ids * @return array of children ids
*/ */
public function get_children( $visible_only = false ) { public function get_children( $visible_only = false ) {
$variable = $visible_only ? 'visible_children' : 'children'; if ( ! is_array( $this->children ) ) {
$this->children = array();
if ( ! is_array( $this->$variable ) ) { $transient_name = 'wc_product_children_ids_' . $this->id;
$this->$variable = array();
$transient_name = 'wc_product_' . $variable . '_ids_' . $this->id;
if ( false === ( $this->children = get_transient( $transient_name ) ) ) { if ( false === ( $this->children = get_transient( $transient_name ) ) ) {
$args = array( $args = array(
@ -114,23 +143,28 @@ class WC_Product_Variable extends WC_Product {
'numberposts' => -1 'numberposts' => -1
); );
if ( $visible_only && 'yes' === get_option( 'woocommerce_hide_out_of_stock_items' ) ) { $this->children = get_posts( $args );
$args['meta_query'] = array(
array(
'key' => '_stock_status',
'value' => 'instock',
'compare' => '='
)
);
}
$this->$variable = get_posts( $args ); set_transient( $transient_name, $this->children, YEAR_IN_SECONDS );
set_transient( $transient_name, $this->$variable, YEAR_IN_SECONDS );
} }
} }
return $this->$variable; if ( $visible_only ) {
$children = array();
foreach( $this->children as $child_id ) {
if ( 'yes' === get_post_meta( $child_id, '_manage_stock', true ) ) {
if ( 'instock' === get_post_meta( $child_id, '_stock_status', true ) ) {
$children[] = $child_id;
}
} elseif ( $this->is_in_stock() ) {
$children[] = $child_id;
}
}
} else {
$children = $this->children;
}
return $children;
} }
@ -396,49 +430,51 @@ class WC_Product_Variable extends WC_Product {
$variation = $this->get_child( $child_id ); $variation = $this->get_child( $child_id );
if ( ! empty( $variation->variation_id ) ) { if ( empty( $variation->variation_id ) || ( 'yes' === get_option( 'woocommerce_hide_out_of_stock_items' ) && ! $variation->is_in_stock() ) ) {
$variation_attributes = $variation->get_variation_attributes(); continue;
$availability = $variation->get_availability();
$availability_html = empty( $availability['availability'] ) ? '' : apply_filters( 'woocommerce_stock_html', '<p class="stock ' . esc_attr( $availability['class'] ) . '">'. wp_kses_post( $availability['availability'] ).'</p>', wp_kses_post( $availability['availability'] ) );
if ( has_post_thumbnail( $variation->get_variation_id() ) ) {
$attachment_id = get_post_thumbnail_id( $variation->get_variation_id() );
$attachment = wp_get_attachment_image_src( $attachment_id, apply_filters( 'single_product_large_thumbnail_size', 'shop_single' ) );
$image = $attachment ? current( $attachment ) : '';
$attachment = wp_get_attachment_image_src( $attachment_id, 'full' );
$image_link = $attachment ? current( $attachment ) : '';
$image_title = get_the_title( $attachment_id );
$image_alt = get_post_meta( $attachment_id, '_wp_attachment_image_alt', true );
} else {
$image = $image_link = $image_title = $image_alt = '';
}
$available_variations[] = apply_filters( 'woocommerce_available_variation', array(
'variation_id' => $child_id,
'variation_is_visible' => $variation->variation_is_visible(),
'is_purchasable' => $variation->is_purchasable(),
'attributes' => $variation_attributes,
'image_src' => $image,
'image_link' => $image_link,
'image_title' => $image_title,
'image_alt' => $image_alt,
'price_html' => $variation->get_price() === "" || $this->get_variation_price( 'min' ) !== $this->get_variation_price( 'max' ) ? '<span class="price">' . $variation->get_price_html() . '</span>' : '',
'availability_html' => $availability_html,
'sku' => $variation->get_sku(),
'weight' => $variation->get_weight() . ' ' . esc_attr( get_option('woocommerce_weight_unit' ) ),
'dimensions' => $variation->get_dimensions(),
'min_qty' => 1,
'max_qty' => $variation->backorders_allowed() ? '' : $variation->stock,
'backorders_allowed' => $variation->backorders_allowed(),
'is_in_stock' => $variation->is_in_stock(),
'is_downloadable' => $variation->is_downloadable() ,
'is_virtual' => $variation->is_virtual(),
'is_sold_individually' => $variation->is_sold_individually() ? 'yes' : 'no',
), $this, $variation );
} }
$variation_attributes = $variation->get_variation_attributes();
$availability = $variation->get_availability();
$availability_html = empty( $availability['availability'] ) ? '' : apply_filters( 'woocommerce_stock_html', '<p class="stock ' . esc_attr( $availability['class'] ) . '">'. wp_kses_post( $availability['availability'] ).'</p>', wp_kses_post( $availability['availability'] ) );
if ( has_post_thumbnail( $variation->get_variation_id() ) ) {
$attachment_id = get_post_thumbnail_id( $variation->get_variation_id() );
$attachment = wp_get_attachment_image_src( $attachment_id, apply_filters( 'single_product_large_thumbnail_size', 'shop_single' ) );
$image = $attachment ? current( $attachment ) : '';
$attachment = wp_get_attachment_image_src( $attachment_id, 'full' );
$image_link = $attachment ? current( $attachment ) : '';
$image_title = get_the_title( $attachment_id );
$image_alt = get_post_meta( $attachment_id, '_wp_attachment_image_alt', true );
} else {
$image = $image_link = $image_title = $image_alt = '';
}
$available_variations[] = apply_filters( 'woocommerce_available_variation', array(
'variation_id' => $child_id,
'variation_is_visible' => $variation->variation_is_visible(),
'is_purchasable' => $variation->is_purchasable(),
'attributes' => $variation_attributes,
'image_src' => $image,
'image_link' => $image_link,
'image_title' => $image_title,
'image_alt' => $image_alt,
'price_html' => $variation->get_price() === "" || $this->get_variation_price( 'min' ) !== $this->get_variation_price( 'max' ) ? '<span class="price">' . $variation->get_price_html() . '</span>' : '',
'availability_html' => $availability_html,
'sku' => $variation->get_sku(),
'weight' => $variation->get_weight() . ' ' . esc_attr( get_option('woocommerce_weight_unit' ) ),
'dimensions' => $variation->get_dimensions(),
'min_qty' => 1,
'max_qty' => $variation->backorders_allowed() ? '' : $variation->stock,
'backorders_allowed' => $variation->backorders_allowed(),
'is_in_stock' => $variation->is_in_stock(),
'is_downloadable' => $variation->is_downloadable() ,
'is_virtual' => $variation->is_virtual(),
'is_sold_individually' => $variation->is_sold_individually() ? 'yes' : 'no',
), $this, $variation );
} }
return $available_variations; return $available_variations;
@ -469,6 +505,33 @@ class WC_Product_Variable extends WC_Product {
} }
} }
/**
* Sync variable product stock status with children
* @param int $product_id
*/
public static function sync_stock_status( $product_id ) {
$children = get_posts( array(
'post_parent' => $product_id,
'posts_per_page'=> -1,
'post_type' => 'product_variation',
'fields' => 'ids',
'post_status' => 'publish'
) );
$stock_status = 'outofstock';
foreach ( $children as $child_id ) {
$child_stock_status = get_post_meta( $child_id, '_stock_status', true );
$child_stock_status = $child_stock_status ? $child_stock_status : 'instock';
if ( 'instock' === $child_stock_status ) {
$stock_status = 'instock';
break;
}
}
wc_update_product_stock_status( $product_id, $stock_status );
}
/** /**
* Sync the variable product with it's children * Sync the variable product with it's children
*/ */