问题：

Woocommerce以编程方式添加产品属性及其相应的值

杨超

2023-03-14

我正在构建一个获取产品的脚本，而我被困在以编程方式添加属性的部分。所以基本上我想检查属性是否存在，如果不存在，就添加它。然后检查它的价值是否存在，如果不存在，则添加它的价值，并将所有内容附加到我的产品上。

以下是我获得产品的格式：

 [attributes] => Array
(
[0] => stdClass Object
    (
        [id] => 332
        [name] => Gender
        [value] => Woman
    )

[1] => stdClass Object
    (
        [id] => 333
        [name] => Wheel Size
        [value] => 28 Inch
    )

[2] => stdClass Object
    (
        [id] => 334
        [name] => Frame height
        [value] => 56 cm
    )

现在我已经尝试了两个版本，我将粘贴两个代码示例。

第1版：

foreach($product->attributes as $attribute) {
$slug = 'pa_' . strtolower($attribute->name);
$attribute_name = $attribute->name;
$attribute_value = $attribute->value;

$permalinks = get_option( 'woocommerce_permalinks' );

$taxonomy_data = array(
                    'hierarchical'          => true,
                    'update_count_callback' => '_update_post_term_count',
                    'labels'                => array(
                            'name'              => $attribute_name
                        ),
                    'show_ui'           => false,
                    'query_var'         => true,
                    'sort'              => false,
                    'public'            => true,
                    'show_in_nav_menus' => false,
                    'capabilities'      => array(
                        'manage_terms' => 'manage_product_terms',
                        'edit_terms'   => 'edit_product_terms',
                        'delete_terms' => 'delete_product_terms',
                        'assign_terms' => 'assign_product_terms',
                    )
                );

register_taxonomy( $slug, array('product'), $taxonomy_data );
// @end_Debug

}

这个版本只添加了附加到产品的属性，但是在Wordpress管理的属性选项卡下不可见。我以后会想要这些属性的过滤器，所以我需要与WooCommerce属性的连接。

第2版：

foreach($product->attributes as $attribute) {
$slug = 'pa_' . strtolower($attribute->name);
$attribute_name = $attribute->name;
$attribute_value = $attribute->value;
$table = $wpdb->prefix . 'woocommerce_attribute_taxonomies';

$attr = $wpdb->get_results( "SELECT * FROM {$table} WHERE attribute_name LIKE '%{$attribute_name}%'", OBJECT );
if(count($attr) > 0) {
    //
}
else {
    /** create taxonomy */
    $data = array(
        'attribute_label'   => $attribute_name,
        'attribute_name'    => $slug,
        'attribute_type'    => 'select',
        'attribute_orderby' => 'menu_order',
        'attribute_public'  => 0, // Enable archives ==> true (or 1)
    );

    $results = $wpdb->insert( "{$wpdb->prefix}woocommerce_attribute_taxonomies", $data );

    if ( is_wp_error( $results ) ) {
        return new WP_Error( 'cannot_create_attribute', $results->get_error_message(), array( 'status' => 400 ) );
    }

    $id = $wpdb->insert_id;

    do_action('woocommerce_attribute_added', $id, $data);

    wp_schedule_single_event( time(), 'woocommerce_flush_rewrite_rules' );
    /* end_Create */
}


// Clean attribute name to get the taxonomy
$taxonomy = 'pa_' . wc_sanitize_taxonomy_name( $attribute_name );

$option_term_ids = array(); // Initializing

// Loop through defined attribute data options (terms values)
if( term_exists( $attribute_value, $taxonomy ) ){
    // Save the possible option value for the attribute which will be used for variation later
    wp_set_object_terms( $product_id, $attribute_value, $taxonomy, true );
    // Get the term ID
    $option_term_ids[] = get_term_by( 'name', $attribute_value, $taxonomy )->term_id;
}

    // Loop through defined attribute data
$attributes[$taxonomy] = array(
    'name'          => $taxonomy,
    'value'         => $option_term_ids, // Need to be term IDs
    'position'      => '1',
    'is_visible'    => '1',
    'is_variation'  => '1',
    'is_taxonomy'   => '1'
);

// Save the meta entry for product attributes
update_post_meta( $product_id, '_product_attributes', $attributes );

}

这一个似乎只在产品属性标签下添加它们，也没有添加术语值。

向子安

2023-03-14

好吧，这是一个相当复杂的任务，但这是我通过查看别人的源代码并根据需要进行修改而得到的代码。

首先，您需要这些助手函数。

要创建全局属性，您需要使用以下函数为每个属性（性别、车轮大小等）创建一个分类法：

function create_global_attribute($name, $slug)
{

    $taxonomy_name = wc_attribute_taxonomy_name( $slug );

    if (taxonomy_exists($taxonomy_name))
    {
        return wc_attribute_taxonomy_id_by_name($slug);
    }

    //logg("Creating a new Taxonomy! `".$taxonomy_name."` with name/label `".$name."` and slug `".$slug.'`');

    $attribute_id = wc_create_attribute( array(
        'name'         => $name,
        'slug'         => $slug,
        'type'         => 'select',
        'order_by'     => 'menu_order',
        'has_archives' => false,
    ) );

    //Register it as a wordpress taxonomy for just this session. Later on this will be loaded from the woocommerce taxonomy table.
    register_taxonomy(
        $taxonomy_name,
        apply_filters( 'woocommerce_taxonomy_objects_' . $taxonomy_name, array( 'product' ) ),
        apply_filters( 'woocommerce_taxonomy_args_' . $taxonomy_name, array(
            'labels'       => array(
                'name' => $name,
            ),
            'hierarchical' => true,
            'show_ui'      => false,
            'query_var'    => true,
            'rewrite'      => false,
        ) )
    );

    //Clear caches
    delete_transient( 'wc_attribute_taxonomies' );

    return $attribute_id;
}

现在将这些应用到您的产品中，我假设您使用的是可变产品，每个产品都有变化？父变量产品需要将其属性属性设置为特殊格式的属性数组。此函数用于创建该数组，如果未找到每个属性，则为其创建全局分类。

//$rawDataAttributes must be in the form of array("Color"=>array("blue", "red"), "Size"=>array(12,13,14),... etc.)
function generate_attributes_list_for_product($rawDataAttributes)
{
    $attributes = array();

    $pos = 0;

    foreach ($rawDataAttributes as $name => $values)
    {
        if (empty($name) || empty($values)) continue;

        if (!is_array($values)) $values = array($values);

        $attribute = new WC_Product_Attribute();
        $attribute->set_id( 0 );
        $attribute->set_position($pos);
        $attribute->set_visible( true );
        $attribute->set_variation( true );

        $pos++;

        //Look for existing attribute:
        $existingTaxes = wc_get_attribute_taxonomies();

        //attribute_labels is in the format: array("slug" => "label / name")
        $attribute_labels = wp_list_pluck( $existingTaxes, 'attribute_label', 'attribute_name' );
        $slug = array_search( $name, $attribute_labels, true );

        if (!$slug)
        {
            //Not found, so create it:
            $slug = wc_sanitize_taxonomy_name($name);
            $attribute_id = create_global_attribute($name, $slug);
        }
        else
        {
            //Otherwise find it's ID
            //Taxonomies are in the format: array("slug" => 12, "slug" => 14)
            $taxonomies = wp_list_pluck($existingTaxes, 'attribute_id', 'attribute_name');

            if (!isset($taxonomies[$slug]))
            {
                //logg("Could not get wc attribute ID for attribute ".$name. " (slug: ".$slug.") which should have existed!");
                continue;
            }

            $attribute_id = (int)$taxonomies[$slug];
        }

        $taxonomy_name = wc_attribute_taxonomy_name($slug);

        $attribute->set_id( $attribute_id );
        $attribute->set_name( $taxonomy_name );
        $attribute->set_options($values);

        $attributes[] = $attribute;
    }


    return $attributes;
}

我们几乎已经准备好将属性应用于产品，但是主要变量Product及其变体需要像任何Wordpress分类法一样将分类法术语分配给它们。因此，如果您有一个名为“Wheel Size”的分类法，其中有“28英寸”和“30英寸”两个术语，那么父产品需要将所有“28英寸”和“30英寸”术语分配给它，并且变体需要将各自的术语分配给它们，因此一个术语为“28英寸”，另一个术语为“30英寸”。为了对此有所帮助，我们使用此函数获取和/或创建这些不存在的术语：

function get_attribute_term($value, $taxonomy)
{
    //Look if there is already a term for this attribute?
    $term = get_term_by('name', $value, $taxonomy);

    if (!$term)
    {
        //No, create new term.
        $term = wp_insert_term($value, $taxonomy);
        if (is_wp_error($term))
        {
            //logg("Unable to create new attribute term for ".$value." in tax ".$taxonomy."! ".$term->get_error_message());
            return array('id'=>false, 'slug'=>false);
        }
        $termId = $term['term_id'];
        $term_slug = get_term($termId, $taxonomy)->slug; // Get the term slug
    }
    else
    {
        //Yes, grab it's id and slug
        $termId = $term->term_id;
        $term_slug = $term->slug;
    }

    return array('id'=>$termId, 'slug'=>$term_slug);
}

好的，最后，我们可以使用上面的内容将属性应用到我们的产品中。

对于主要变量产品：

$yourRawAttributeList = array("Gender" => array("Woman", "Man"), "Wheel Size" => array("28 Inch","30 Inch","32 Inch"));
$attribs = generate_attributes_list_for_product($yourRawAttributeList);

$p = new WC_Product_Variable($postID);

$p->set_props(array(
    'attributes'        => $attribs,
    //Set any other properties of the product here you want - price, name, etc.
));

$postID = $p->save();

if ($postID <= 0) return "Unable to create / update product!";

//Attribute Terms: These need to be set otherwise the attributes dont show on the admin backend:
foreach ($attribs as $attrib)
{
    /** @var WC_Product_Attribute $attrib */
    $tax = $attrib->get_name();
    $vals = $attrib->get_options();

    $termsToAdd = array();

    if (is_array($vals) && count($vals) > 0)
    {
        foreach ($vals as $val)
        {
            //Get or create the term if it doesnt exist:
            $term = get_attribute_term($val, $tax);

            if ($term['id']) $termsToAdd[] = $term['id'];
        }
    }

    if (count($termsToAdd) > 0)
    {
        wp_set_object_terms($postID, $termsToAdd, $tax, true);
    }
}

对于该产品的每个变体：

    //This is an array of input attributes in the form: array("Color"=>"Navy", "Size"=>"25")
$theseAttributes = array("Gender" => array("Woman"), "Wheel Size" => array("28 Inch"));

//This is the final list of attributes that we are calculating below.
$theseAttributesCalculated = array();

//logg("Want to add these attributes to the variation: ".print_r($theseAttributes, true));

$existingTax = wc_get_attribute_taxonomies();

foreach ($theseAttributes as $name => $value)
{
    if (strlen($name) == 0 || strlen($value) == 0)
    {
        //logg("Attribute array had a blank value for product variant ".$sku.': '.print_r($theseAttributes, true));
        return "Attribute array had a blank value.";
    }

    $tax = '';
    $slug = '';

    //Look for an existing taxonomy to match this attribute's $name
    //$thistax->attribute_name = slug of the taxonomy
    //$thistax->attribute_label = name of the taxonomy

    foreach ($existingTax as $thistax)
    {
        if ($thistax->attribute_label == $name)
        {
            $slug = $thistax->attribute_name;
            $tax = wc_attribute_taxonomy_name($slug);
            break;
        }
    }

    if (empty($tax))
    {
        $slug = wc_sanitize_taxonomy_name($name);
        //Taxonomy not found, so create it...
        if (create_global_attribute($name, $slug) > 0)
        {
            $tax = wc_attribute_taxonomy_name($slug);
        }
        else
        {
            //logg("Unable to create new attribute taxonomy ".$slug." for attribute ".$name."found in variable product ".$sku);
            continue;
        }
    }


    //logg("Want to add attribute ".$name. " value ".$value. " which is term ".$term_slug." (".$termId.") to post ".$parentID);

    $term = get_attribute_term($value, $tax);


    if ($term['id'])
    {
        // Set/save the attribute data in the product variation
        $theseAttributesCalculated[$tax] = $term['slug'];
    }
    else
    {
        //logg("Warning! Unable to create / get the attribute ".$value." in Taxonomy ".$tax);
    }
}

//logg("Finished gathering. Results: ".print_r($theseAttributesCalculated, true));


$variation  = new \WC_Product_Variation($postID);

$variation->set_props( array(
    'attributes'        => $theseAttributesCalculated,
));

$postID = $variation->save();

if ($postID <= 0) return "Unable to create product variation!";

Woocommerce以编程方式添加产品属性及其相应的值

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