rental-15.0.1-inventory-compatibility-update

add_filter('wcfm_product_fields_stock', function($stock_fields, $product_id, $product_type) {
    global $WCFMu;
    if (apply_filters('wcfm_is_allow_rental', true) && WCFMu_Dependencies::wcfm_wc_rental_pro_active_check()) {
        remove_filter('wcfm_product_fields_stock', [ $WCFMu->wcfmu_integrations, 'wcfm_wcrental_product_inventory_manage' ], 80);

        $args = array(
            'post_type'      => 'Inventory',
            'posts_per_page' => -1,
            'orderby'        => 'date',
            'order'          => 'ASC',
            'post_status'    => 'publish'
        );

        $inventories = get_posts($args);

        $formatted_inventories = [];
        if(!empty($inventories)) {
            foreach ($inventories as $key => $inventory) {
                $formatted_inventories[$inventory->ID] = $inventory->post_title;
            }
            wp_reset_postdata();
        }

        $selected_inventories = rnb_get_product_inventory_id($product_id);

        $inventory_elements = apply_filters(
            'wcfm_redq_rental_fields_inventory',
            [
                '_redq_product_inventory' => [
                    'label'       => __('Choose Inventories', 'redq-rental'),
                    'type'        => 'select',
                    'attributes'  => array( 'multiple' => 'multiple', 'style' => 'width: 60%;' ),
                    'class'       => 'wcfm-select wcfm_ele redq_rental',
                    'label_class' => 'wcfm_title wcfm_ele redq_rental',
                    'value'       => !empty($selected_inventories) && is_array($selected_inventories) ? $selected_inventories : [],
                    'options'     => $formatted_inventories,
                ],
            ]
        );

        $stock_fields = array_merge($stock_fields, $inventory_elements);

        return $stock_fields;
    }
}, 79, 3);
add_action('wcfm_products_manage_inventory_end', function() {
?>
<script>
    jQuery(function($) {
        $("#_redq_product_inventory").select2();
    });
</script>
<?php
});

add_action('after_wcfm_products_manage_meta_save', function($new_product_id, $wcfm_products_manage_form_data) {
    if ($wcfm_products_manage_form_data['product_type'] == 'redq_rental' && isset($wcfm_products_manage_form_data['_redq_product_inventory'])) {
        global $wpdb;
        $pivot_table = $wpdb->prefix . 'rnb_inventory_product';

        $wpdb->delete($pivot_table, array('product' => $new_product_id), array('%d'));

        $values = array();
        $fields = array();

        foreach ($wcfm_products_manage_form_data['_redq_product_inventory'] as $pvi) {
            $values[] = "(%d, %d)";
            $fields[] = $pvi;
            $fields[] = $new_product_id;
        }

        $values = implode(",", $values);
        $wpdb->query($wpdb->prepare(
            "INSERT INTO $pivot_table ( inventory, product ) VALUES $values",
            $fields
        ));

        update_post_meta($new_product_id, '_redq_product_inventory', $wcfm_products_manage_form_data['_redq_product_inventory']); //Required for demo importing
    }
}, 79, 2);