Fix licensed variable products not showing variations (v0.5.10)

- Re-load product via wc_get_product() to ensure correct class instance
- Removed overly strict type check that prevented variations from displaying
- Now mirrors WooCommerce's standard woocommerce_variable_add_to_cart()

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

CHANGELOG.md

@@ -7,6 +7,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.5.10] - 2026-01-27
+
+### Fixed
+
+- Fixed licensed variable products not showing variations even when attributes are defined
+- Re-load product via `wc_get_product()` to ensure correct class instance is used
+- Removed overly strict type check that was preventing variations from displaying
+- Now mirrors WooCommerce's standard `woocommerce_variable_add_to_cart()` implementation
+
 ## [0.5.9] - 2026-01-27
 
 ### Fixed

src/Product/LicensedProductType.php

@@ -333,40 +333,41 @@ final class LicensedProductType
 
     /**
      * Add to cart template for variable licensed products
+     * This mirrors WooCommerce's woocommerce_variable_add_to_cart() function
      */
     public function variableAddToCartTemplate(): void
     {
         global $product;
 
-        // Check if product is a variable type (includes LicensedVariableProduct which extends WC_Product_Variable)
-        if (!$product || !$product->is_type('licensed-variable')) {
+        // The hook woocommerce_licensed-variable_add_to_cart only fires for this product type
+        // so we just need to verify the product exists
+        if (!$product) {
             return;
         }
 
-        // Get attributes - ensure we have an array even if no attributes are set
-        $attributes = $product->get_variation_attributes();
-        if (!is_array($attributes)) {
-            $attributes = [];
-        }
+        // Ensure we're working with a product that has variable product methods
+        // Re-load the product to ensure we get the correct class instance
+        $productId = $product->get_id();
+        $variableProduct = wc_get_product($productId);
 
-        // If no attributes defined, show a message instead of broken form
-        if (empty($attributes)) {
-            echo '<p class="woocommerce-info">' . esc_html__('This product has no variations available.', 'wc-licensed-product') . '</p>';
+        if (!$variableProduct || !method_exists($variableProduct, 'get_variation_attributes')) {
+            // Fallback to simple add to cart if not a variable product
+            wc_get_template('single-product/add-to-cart/simple.php');
             return;
         }
 
         // Get variations count to determine if we should load them via AJAX
-        $children = $product->get_children();
-        $getVariations = count($children) <= apply_filters('woocommerce_ajax_variation_threshold', 30, $product);
+        $getVariations = count($variableProduct->get_children()) <= apply_filters('woocommerce_ajax_variation_threshold', 30, $variableProduct);
 
-        // Get available variations - ensure we have an array
-        $availableVariations = $getVariations ? $product->get_available_variations() : false;
-        if ($getVariations && !is_array($availableVariations)) {
-            $availableVariations = [];
+        // Get template variables - WooCommerce expects these to be set
+        $availableVariations = $getVariations ? $variableProduct->get_available_variations() : false;
+        $attributes = $variableProduct->get_variation_attributes();
+        $selectedAttributes = $variableProduct->get_default_attributes();
+
+        // Ensure arrays (WooCommerce template expects arrays, not null)
+        if (!is_array($attributes)) {
+            $attributes = [];
         }
-
-        // Get default/selected attributes - ensure we have an array
-        $selectedAttributes = $product->get_default_attributes();
         if (!is_array($selectedAttributes)) {
             $selectedAttributes = [];
         }

wc-licensed-product.php

@@ -3,7 +3,7 @@
  * Plugin Name: WooCommerce Licensed Product
  * Plugin URI: https://src.bundespruefstelle.ch/magdev/wc-licensed-product
  * Description: WooCommerce plugin to sell software products using license keys with domain-based validation.
- * Version: 0.5.9
+ * Version: 0.5.10
  * Author: Marco Graetsch
  * Author URI: https://src.bundespruefstelle.ch/magdev
  * License: GPL-2.0-or-later
@@ -28,7 +28,7 @@ if (!defined('ABSPATH')) {
 }
 
 // Plugin constants
-define('WC_LICENSED_PRODUCT_VERSION', '0.5.9');
+define('WC_LICENSED_PRODUCT_VERSION', '0.5.10');
 define('WC_LICENSED_PRODUCT_PLUGIN_FILE', __FILE__);
 define('WC_LICENSED_PRODUCT_PLUGIN_DIR', plugin_dir_path(__FILE__));
 define('WC_LICENSED_PRODUCT_PLUGIN_URL', plugin_dir_url(__FILE__));