define_constants(); add_action('plugins_loaded', array($this, 'init_hooks'), 30); } protected function define_constants(){ $this->define('ASTWFG_PLUGIN_FILE', __FILE__); } private function define($name, $value){ if (!defined($name)) { define($name, $value); } } private function is_request($type) { switch ($type) { case 'admin' : return is_admin(); case 'ajax' : return defined('DOING_AJAX'); case 'cron' : return defined('DOING_CRON'); case 'frontend' : return (!is_admin() || defined('DOING_AJAX')) && !defined('DOING_CRON'); } } public function plugins_loaded(){ if ( ! function_exists( 'WC' ) ) { add_action( 'admin_notices', array($this, 'install_woocommerce_admin_notice') ); } } public function install_woocommerce_admin_notice(){ ?>

is_request('admin')) { add_action('woocommerce_product_options_related', array($this, 'backend_options')); add_action('woocommerce_process_product_meta', array($this, 'save_data'), 10, 2); } else { add_action('woocommerce_add_to_cart', array($this, 'add_gift_to_cart'), 50, 6); add_action('woocommerce_cart_item_removed', array($this, 'remove_cart_item'), 10, 2); add_action('woocommerce_single_product_summary', array($this, 'single_product_gift'), 20); add_filter('woocommerce_cart_item_quantity', array($this, 'item_quantity'), 10, 3); add_filter('woocommerce_cart_item_class', array($this, 'cart_class'), 10, 3); add_action('wp_enqueue_scripts', array($this, 'load_scripts')); } } public function installed_callback(){ } public function load_domain(){ $locale = get_locale(); load_textdomain('astro-woocommerce-free-gift', WP_LANG_DIR . '/astro-woocommerce-free-gift/astro-woocommerce-free-gift-' . $locale . '.mo'); load_plugin_textdomain('astro-woocommerce-free-gift', false, plugin_basename(dirname(__FILE__)) . "/languages"); } public function load_scripts(){ wp_enqueue_script('jquery'); wp_enqueue_style('astro-woofg-frontend', plugin_dir_url(__FILE__) . 'assets/css/frontend.css', false, $this->vertion); wp_enqueue_script('astro-woofg-js', plugin_dir_url(__FILE__) . 'assets/js/frontend.js', array('jquery'), $this->vertion, true); } public function backend_options(){ global $post; ?>

_data_key, $productgift_ids); } public function add_gift_to_cart($cart_item_key, $product_id, $quantity, $variation_id, $variation, $cart_item_data){ $gift_ids = array_filter(array_map('absint', (array)get_post_meta($product_id, $this->_data_key, true))); if (!empty($gift_ids)) { foreach ($gift_ids as $gift_id) { $product_status = get_post_status($gift_id); $gift_variation_id = $this->create_gift_variation($gift_id); if (false !== WC()->cart->add_to_cart($gift_id, $quantity, $gift_variation_id, array(__('Type', 'astro-woocommerce-free-gift') => __('Free gift', 'astro-woocommerce-free-gift')), array('gift_for' => $product_id, 'gift_for_item' => $cart_item_key)) && 'publish' === $product_status) { do_action('woocommerce_ajax_added_to_cart', $gift_id); if (get_option('woocommerce_cart_redirect_after_add') == 'yes') { wc_add_to_cart_message(array($gift_id => $quantity), true); } } } } } public function remove_cart_item($cart_item_key_removed, $cart){ foreach ($cart->cart_contents as $cart_item_key => $cart_item) { if (isset($cart_item['gift_for_item']) && $cart_item_key_removed === $cart_item['gift_for_item']) { $cart->remove_cart_item($cart_item_key); } } } private function create_gift_variation($product_id) { //check variation product exist $product_variation = get_posts(array( 'post_parent' => $product_id, 's' => 'astro_product_gift_item', 'post_type' => 'product_variation', 'posts_per_page' => 1 )); if (!empty($product_variation)) { $this->update_gift_metadata($product_variation[0]->ID, $product_id); return $product_variation[0]->ID; } $author = get_users(array( 'orderby' => 'nicename', 'role' => 'administrator', 'number' => 1 )); $variation = array( 'post_author' => $author[0]->ID, 'post_status' => 'publish', 'post_name' => 'product-gift-variation-' . absint($product_id), 'post_parent' => $product_id, 'post_title' => 'astro_product_gift_item', 'post_type' => 'product_variation', 'comment_status' => 'closed', 'ping_status' => 'closed', ); $_gift_id = wp_insert_post($variation); $this->update_gift_metadata($_gift_id, $product_id); return $_gift_id; } private function update_gift_metadata($gift_id, $product_id) { update_post_meta($gift_id, '_price', 0); update_post_meta($gift_id, '_sale_price', 0); update_post_meta($gift_id, '_regular_price', get_post_meta($product_id, '_regular_price', true)); update_post_meta($gift_id, '_virtual', get_post_meta($product_id, '_virtual', true)); //update_post_meta( $gift_id, '_sold_individually', 'yes'); } public function item_quantity($product_quantity, $cart_item_key, $cart_item){ $_product = $cart_item['data']; if(!empty($cart_item['gift_for'])) { ob_start(); ?>
ID, $this->_data_key, true))); if (empty($product_ids)) return; $_count = count($product_ids); $_total_price = 0; ob_start(); foreach ($product_ids as $product_id) : $product = new WC_Product($product_id); ?>
  • get_image(); ?>
    get_price_html();?>
    • get_price()); endforeach; $_li_html = ob_get_clean(); echo '
    '; echo '

    '.sprintf(_n('%d Promotion gift', '%d Promotion gifts', $_count, 'astro-woocommerce-free-gift'), $_count).' ('.wc_price( $_total_price ).')

    '; echo '
    '; } public function cart_class($class, $cart_item, $cart_item_key){ if(!empty($cart_item['gift_for'])) { $class .= ' cart_item_gift'; } return $class; } } endif; if (!function_exists('Astro_WooCommerce_Free_Gift')) { function Astro_WooCommerce_Free_Gift() { return Astro_WooCommerce_Free_Gift::get_instance(); } } Astro_WooCommerce_Free_Gift()->init();