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Fix low stock report due to NULL _low_stock_amount 

Empty meta values are not stored from WC 3.6+. _low_stock_amount could be NULL. This fixes the low stock queries.
This commit is contained in:
Mike Jolley 2019-05-08 13:43:25 +01:00
parent d4f1e6bbd8
commit 684c526d1e
1 changed files with 16 additions and 12 deletions
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28
plugins/woocommerce-admin/includes/api/class-wc-admin-rest-products-controller.php
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@ -129,16 +129,19 @@ class WC_Admin_REST_Products_Controller extends WC_REST_Products_Controller {
if ( $wp_query->get( 'low_in_stock' ) ) { if ( $wp_query->get( 'low_in_stock' ) ) {
$low_stock_amount = absint( max( get_option( 'woocommerce_notify_low_stock_amount' ), 1 ) ); $low_stock_amount = absint( max( get_option( 'woocommerce_notify_low_stock_amount' ), 1 ) );
$where .= " AND lis_postmeta2.meta_key = '_manage_stock' $where .= "
AND lis_postmeta2.meta_value = 'yes' AND manage_stock_meta.meta_value = 'yes'
AND lis_postmeta.meta_key = '_stock' AND stock_meta.meta_value IS NOT NULL
AND lis_postmeta.meta_value IS NOT NULL
AND lis_postmeta3.meta_key = '_low_stock_amount'
AND ( AND (
lis_postmeta3.meta_value > '' (
AND CAST(lis_postmeta.meta_value AS SIGNED) <= CAST(lis_postmeta3.meta_value AS SIGNED) low_stock_amount_meta.meta_value > ''
OR lis_postmeta3.meta_value <= '' AND CAST(stock_meta.meta_value AS SIGNED) <= CAST(stock_meta.meta_value AS SIGNED)
AND CAST(lis_postmeta.meta_value AS SIGNED) <= {$low_stock_amount} )
OR (
low_stock_amount_meta.meta_value <= ''
AND CAST(stock_meta.meta_value AS SIGNED) <= {$low_stock_amount}
)
OR low_stock_amount_meta.meta_value IS NULL
)"; )";
} }
@ -161,9 +164,10 @@ class WC_Admin_REST_Products_Controller extends WC_REST_Products_Controller {
} }
if ( $wp_query->get( 'low_in_stock' ) ) { if ( $wp_query->get( 'low_in_stock' ) ) {
$join .= " INNER JOIN {$wpdb->postmeta} AS lis_postmeta ON {$wpdb->posts}.ID = lis_postmeta.post_id $join .= " INNER JOIN {$wpdb->postmeta} AS stock_meta ON {$wpdb->posts}.ID = stock_meta.post_id AND stock_meta.meta_key = '_stock'
INNER JOIN {$wpdb->postmeta} AS lis_postmeta2 ON {$wpdb->posts}.ID = lis_postmeta2.post_id INNER JOIN {$wpdb->postmeta} AS manage_stock_meta ON {$wpdb->posts}.ID = manage_stock_meta.post_id AND manage_stock_meta.meta_key = '_manage_stock'
INNER JOIN {$wpdb->postmeta} AS lis_postmeta3 ON {$wpdb->posts}.ID = lis_postmeta3.post_id"; LEFT JOIN {$wpdb->postmeta} AS low_stock_amount_meta ON {$wpdb->posts}.ID = low_stock_amount_meta.post_id AND low_stock_amount_meta.meta_key = '_low_stock_amount'
";
} }
return $join; return $join;