Set a variable product to draft if a specific variation is purchased in Woocommerce

Question

I have looked at this solution, but it is not completely covering our situation. Auto set Woocommerce product to draft status if order is completed.

I am trying to target specific product variations that have the product attribute taxonomy "pa_type" with a Term name that is "Exclusive purchase". Then if that variation is purchased the parent variable product status must be set to draft.

Answer 1

Update: To handle only a specific product variation with a product attribute taxonomy pa_type that has the term name "Exclusive purchase" that will set the parent variable product post status to"draft", use the following:

add_action( 'woocommerce_order_status_changed', 'paid_order_statuses_set_variable_product_to_draft', 10, 4 );
function paid_order_statuses_set_variable_product_to_draft( $order_id, $old_status, $new_status, $order ){
    // Only for processing and completed orders
    if( ! ( $new_status == 'processing' || $new_status == 'completed' ) )
        return; // Exit

    // Checking if the action has already been done before
    if( get_post_meta( $order_id, '_products_to_draft', true ) )
        return; // Exit

    $products_set_to_draft = false; // Initializing variable 

    // Loop through order items
    foreach($order->get_items() as $item_id => $item ){
        // Get the current WC_Product object instance
        $product = $item->get_product(); 

        // Targetting a specific product variations ( Taxonomy: 'pa_type' | term name: 'Exclusive purchase' )
        if( $product->is_type('variation') && $product->get_attribute('pa_type') == 'Exclusive purchase' ){
            // Get the parent variable product instance object
            $parent_product = wc_get_product( $item->get_product_id() );

            if ('draft' != $parent_product->get_status() ) {
                $product->set_status('draft'); // Set status to draft
                $product->save(); // Save the product
                $products_set_to_draft = true;
            }
        }
    }
    // Mark the action done for this order (to avoid repetitions)
    if($products_set_to_draft)
        update_post_meta( $order_id, '_products_to_draft', '1' );
}

Code goes in function.php file of your active child theme (or active theme). Tested and works.