/**
  * Remove saved fields and options
  */
 public function remove_plugin_data()
 {
     foreach (ML_Product::get_fields() as $field) {
         delete_post_meta_by_key(ML_Product::ML_PREFIX . $field);
     }
     delete_option($this->options_slug);
 }
 /**
  * Update a product at ML
  *
  * @ajax( action: "change_status_ml_product" , only_logged: true )
  */
 public function change_product_status()
 {
     check_ajax_referer('ml-change-status-action', 'security');
     if (!isset($_GET['post_id'], $_GET['status'])) {
         die;
     }
     try {
         $ml_product = new ML_Product(intval($_GET['post_id']));
         $ml_product->update_status($_GET['status']);
     } catch (ML_Exception $e) {
         ML()->add_notice(sprintf('%s: %s', __('Error while trying to update product status on MercadoLivre', ML()->textdomain), $e->getMessage()), 'error');
     }
     wp_safe_redirect(wp_get_referer() ? wp_get_referer() : admin_url('edit.php?post_type=product'));
     die;
 }
 /**
  * Save ML product data
  *
  * @action( hook: "woocommerce_process_product_meta_variable" )
  * @action( hook: "woocommerce_process_product_meta_simple" )
  */
 public function save_product_metaboxes_data($post_id)
 {
     $ml_product = new ML_Product($post_id);
     $ml_product->video_id = $_POST['ml_video_id'];
     if (!$ml_product->is_published()) {
         // Fields for a new product
         $ml_product->category_id = $_POST['ml_category_id'];
         $ml_product->listing_type_id = $_POST['ml_listing_type_id'];
         if (!empty($_POST['ml_official_store_id'])) {
             $ml_product->official_store_id = $_POST['ml_official_store_id'];
         }
     }
     if ($ml_product->can_update_special_fields()) {
         // Fields that can only be updated when the product has no sales
         $ml_product->title = sanitize_text_field($_POST['ml_title']);
         //$ml_product->buying_mode  = $_POST['ml_buying_mode'];
         //$ml_product->condition    = $_POST['ml_condition'];
         $ml_product->warranty = $_POST['ml_warranty'];
         if (isset($_POST['ml_shipping_mode']) && $_POST['ml_shipping_mode'] == 'custom') {
             // Custom Shipping
             $costs = array();
             for ($i = 0; $i < 10; $i++) {
                 if (empty($_POST['ml_shipment_data'][$i]['description']) || empty($_POST['ml_shipment_data'][$i]['cost'])) {
                     continue;
                 }
                 $costs[] = array('description' => sanitize_text_field($_POST['ml_shipment_data'][$i]['description']), 'cost' => floatval($_POST['ml_shipment_data'][$i]['cost']));
             }
             $ml_product->shipping_mode = 'custom';
             $ml_product->shipment_costs = $costs;
             $ml_product->shipment_local_pickup = $_POST['ml_shipment_local_pickup'] == 'yes';
             if (isset($_POST['ml_shipment_free_shipping'])) {
                 $ml_product->shipment_free_shipping = $_POST['ml_shipment_free_shipping'] == 'yes';
             } else {
                 $ml_product->shipment_free_shipping = false;
             }
         }
     }
     if (!$ml_product->is_published() || !$ml_product->is_variable()) {
         $ml_product->price = sanitize_text_field($_POST['ml_price']);
     }
     if ($ml_product->is_variable()) {
         // Set variations
         $number_of_variations = count($_POST['ml_variations']['child']);
         $attributes = array_diff(array_keys($_POST['ml_variations']), array('child', 'price'));
         for ($position = 0; $position < $number_of_variations; $position++) {
             $child_product = new ML_Product(intval($_POST['ml_variations']['child'][$position]));
             if (!$child_product->is_published()) {
                 $attribute_combinations = array();
                 foreach ($attributes as $attribute) {
                     if (!empty($_POST['ml_variations'][$attribute][$position])) {
                         $attribute_combinations[] = array('id' => strval($attribute), 'value_id' => strval($_POST['ml_variations'][$attribute][$position]));
                     }
                 }
                 $child_product->attribute_combinations = $attribute_combinations;
             }
             $child_product->price = sanitize_text_field($_POST['ml_variations']['price'][$position]);
         }
     }
     if ($ml_product->is_published() && (ML()->ml_auto_update == 'yes' || isset($_POST['ml_publish']) && $_POST['ml_publish'] == 'yes')) {
         // Verify aditional changes and update
         try {
             // Update the product
             $new_ml_product = $ml_product->update();
             if ($_POST['ml_listing_type_id'] != $new_ml_product->listing_type_id) {
                 $ml_product->update_listing_type($_POST['ml_listing_type_id']);
             }
             if (!empty($ml_product->get_wc_product()->get_post_data()->post_content)) {
                 $ml_product->update_description();
             }
             // Enqueue a message for the user
             ML()->add_notice(sprintf('%s: <a href="%s" target="_blank">%s</a>', __('The product has been updated successfully on MercadoLivre', ML()->textdomain), $new_ml_product->permalink, $new_ml_product->permalink), 'success');
         } catch (ML_Exception $e) {
             ML()->add_notice(sprintf('%s: %s', __('The product could not be updated on MercadoLivre', ML()->textdomain), $e->getMessage()), 'error');
         }
     } else {
         if (!$ml_product->is_published() && (ML()->ml_auto_export == 'yes' || isset($_POST['ml_publish']) && $_POST['ml_publish'] == 'yes')) {
             // Post
             try {
                 // Post the product
                 $new_ml_product = $ml_product->post();
                 // Enqueue a message for the user
                 ML()->add_notice(sprintf('%s: <a href="%s" target="_blank">%s</a>', __('The product was successfully published on MercadoLivre', ML()->textdomain), $new_ml_product->permalink, $new_ml_product->permalink), 'success');
             } catch (ML_Exception $e) {
                 ML()->add_notice(sprintf('%s: %s', __('The product could not be posted on MercadoLivre', ML()->textdomain), $e->getMessage()), 'error');
             }
         }
     }
 }
<?php

/**
 * Product Tab View
 *
 * @author Carlos Cardoso Dias
 *
 */
/**
 * Anti cheating code
 */
defined('ABSPATH') or die('A Ag&ecirc;ncia Magma n&atilde;o deixa voc&ecirc; trapacear ;)');
global $thepostid;
$ml_product = new ML_Product(intval($thepostid));
$textdomain = ML()->textdomain;
?>

<div id="ml_product_data" class="panel woocommerce_options_panel">
	<?php 
if (ML()->ml_auto_export == 'no') {
    ?>
		<div class="options_group">
			<?php 
    woocommerce_wp_checkbox(array('id' => 'ml_publish', 'label' => $ml_product->is_published() ? __('Update at ML', $textdomain) : __('Post at ML', $textdomain), 'description' => __('Check if this product should be published at ML', $textdomain), 'desc_tip' => true, 'value' => isset($_POST['ml_publish']) || $ml_product->is_published() ? 'yes' : 'no'));
    ?>
		</div>
	<?php 
}
?>
	<div class="options_group ml_required_fields">
		<p class="form-field ml_category_id_field">
 /**
  * Get ML json format for variable products 
  */
 private function get_variable_body(&$ml_data)
 {
     $variation_counter = 0;
     foreach ($this->product->get_children() as $child_id) {
         $child_product = new ML_Product($child_id);
         // Check if this variation is linked with ML
         if (empty($child_product->id) && empty($child_product->attribute_combinations)) {
             continue;
         }
         $ml_data['variations'][$variation_counter] = array('available_quantity' => $child_product->get_wc_product()->get_stock_quantity(), 'price' => empty($child_product->price) ? $child_product->get_wc_product()->get_price() : $child_product->price, 'seller_custom_field' => strval($child_id));
         $this->set_pictures_to_body($child_product->get_wc_product(), $ml_data, $variation_counter);
         $this->set_pictures_to_body($child_product->get_wc_product(), $ml_data);
         if ($child_product->is_published()) {
             $ml_data['variations'][$variation_counter]['id'] = intval($child_product->id);
         } else {
             $ml_data['variations'][$variation_counter]['attribute_combinations'] = $child_product->attribute_combinations;
         }
         $variation_counter++;
     }
     return $ml_data;
 }
<?php

/**
 * Product Column View
 *
 * @author Carlos Cardoso Dias
 *
 */
/**
 * Anti cheating code
 */
defined('ABSPATH') or die('A Ag&ecirc;ncia Magma n&atilde;o deixa voc&ecirc; trapacear ;)');
$ml_product = new ML_Product($post_id);
if ($ml_product->is_published()) {
    ?>
	<a href="<?php 
    echo add_query_arg(array('action' => 'change_status_ml_product', 'post_id' => $post_id, 'status' => 'closed', 'security' => wp_create_nonce('ml-change-status-action')), admin_url('admin-ajax.php'));
    ?>
" class="button tips ml_delete ml_button" data-tip="<?php 
    _e('Delete', ML()->textdomain);
    ?>
"></a>
<?php 
}
if (isset($ml_product->status)) {
    ?>
	<?php 
    if ($ml_product->status == 'closed') {
        ?>
		<a href="<?php 
        echo add_query_arg(array('action' => 'relist_ml_product', 'post_id' => $post_id, 'security' => wp_create_nonce('ml-relist-product-action')), admin_url('admin-ajax.php'));