/**
  * If no sort order set, default to title. If no sort order, default to descending.
  *
  * @since 1.0
  */
 function sort_subscriptions($a, $b)
 {
     $order_by = !empty($_REQUEST['orderby']) ? $_REQUEST['orderby'] : 'start_date';
     $order = !empty($_REQUEST['order']) ? $_REQUEST['order'] : 'desc';
     switch ($order_by) {
         case 'product_name':
             $product_name_a = get_the_title($a['product_id']);
             $product_name_b = get_the_title($b['product_id']);
             $result = strcasecmp($product_name_a, $product_name_b);
             break;
         case 'user':
             $user_a = get_user_by('id', $a['user_id']);
             $user_b = get_user_by('id', $b['user_id']);
             $result = strcasecmp($user_a->display_name, $user_b->display_name);
             break;
         case 'expiry_date':
             if ($order == 'asc') {
                 $result = self::sort_with_zero_at_end($a[$order_by], $b[$order_by]);
             } else {
                 $result = self::sort_with_zero_at_beginning($a[$order_by], $b[$order_by]);
             }
             break;
         case 'end_date':
             $result = self::sort_with_zero_at_end($a[$order_by], $b[$order_by]);
             // Display subscriptions that have not ended at the end of the list
             break;
         case 'next_payment_date':
             $next_payment_a = WC_Subscriptions_Manager::get_next_payment_date($a['subscription_key'], $a['user_id'], 'mysql');
             $next_payment_b = WC_Subscriptions_Manager::get_next_payment_date($b['subscription_key'], $b['user_id'], 'mysql');
             $result = self::sort_with_zero_at_end($next_payment_a, $next_payment_b);
             // Display subscriptions with no future payments at the end
             break;
         case 'last_payment_date':
             $last_payment_a = empty($a['completed_payments']) ? 0 : strtotime(array_pop($a['completed_payments']));
             $last_payment_b = empty($b['completed_payments']) ? 0 : strtotime(array_pop($b['completed_payments']));
             $result = self::sort_with_zero_at_end($last_payment_a, $last_payment_b);
             // Display subscriptions with no compelted payments at the end
             break;
         case 'trial_expiry_date':
             $trial_expiration_a = WC_Subscriptions_Manager::get_trial_expiration_date($a['subscription_key'], $a['user_id'], 'mysql');
             $trial_expiration_b = WC_Subscriptions_Manager::get_trial_expiration_date($b['subscription_key'], $b['user_id'], 'mysql');
             $result = self::sort_with_zero_at_end($trial_expiration_a, $trial_expiration_b);
             break;
         case 'renewal_order_count':
             $result = strcmp(WC_Subscriptions_Renewal_Order::get_renewal_order_count($a['order_id']), WC_Subscriptions_Renewal_Order::get_renewal_order_count($b['order_id']));
             break;
         case 'order_id':
             $result = strnatcmp($a[$order_by], $b[$order_by]);
             break;
         default:
             $result = strcmp($a[$order_by], $b[$order_by]);
             break;
     }
     return $order == 'asc' ? $result : -$result;
     // Send final sort direction to usort
 }
 /**
  * Outputs the content for each column.
  *
  * @param array $item A singular item (one full row's worth of data)
  * @param array $column_name The name/slug of the column to be processed
  * @return string Text or HTML to be placed inside the column <td>
  * @since 1.0
  */
 public function column_default($item, $column_name)
 {
     global $woocommerce;
     $current_gmt_time = gmdate('U');
     switch ($column_name) {
         case 'status':
             $actions = array();
             $action_url = add_query_arg(array('page' => $_REQUEST['page'], 'user' => $item['user_id'], 'subscription' => $item['subscription_key'], '_wpnonce' => wp_create_nonce($item['subscription_key'])));
             if (isset($_REQUEST['status'])) {
                 $action_url = add_query_arg(array('status' => $_REQUEST['status']), $action_url);
             }
             $order = new WC_Order($item['order_id']);
             $all_statuses = array('active' => __('Reactivate', WC_Subscriptions::$text_domain), 'on-hold' => __('Suspend', WC_Subscriptions::$text_domain), 'cancelled' => __('Cancel', WC_Subscriptions::$text_domain), 'trash' => __('Trash', WC_Subscriptions::$text_domain), 'deleted' => __('Delete Permanently', WC_Subscriptions::$text_domain));
             foreach ($all_statuses as $status => $label) {
                 if (WC_Subscriptions_Manager::can_subscription_be_changed_to($status, $item['subscription_key'], $item['user_id'])) {
                     $action = 'deleted' == $status ? 'delete' : $status;
                     // For built in CSS
                     $actions[$action] = sprintf('<a href="%s">%s</a>', add_query_arg('new_status', $status, $action_url), $label);
                 }
             }
             if ($item['status'] == 'pending') {
                 unset($actions['active']);
                 unset($actions['trash']);
             } elseif (!in_array($item['status'], array('cancelled', 'expired', 'suspended'))) {
                 unset($actions['trash']);
             }
             $actions = apply_filters('woocommerce_subscriptions_list_table_actions', $actions, $item);
             $column_content = sprintf('<mark class="%s">%s</mark> %s', sanitize_title($item[$column_name]), WC_Subscriptions_Manager::get_status_to_display($item[$column_name], $item['subscription_key'], $item['user_id']), $this->row_actions($actions));
             $column_content = apply_filters('woocommerce_subscriptions_list_table_column_status_content', $column_content, $item, $actions, $this);
             break;
         case 'title':
             //Return the title contents
             $column_content = sprintf('<a href="%s">%s</a>', get_edit_post_link($item['product_id']), WC_Subscriptions_Order::get_item_name($item['order_id'], $item['product_id']));
             $column_content .= sprintf('<input type="hidden" class="%1$s" name="%2$s[%3$s][%4$s][][%1$s]" value="%5$s" />', 'product_id', $this->_args['plural'], $item['user_id'], $item['subscription_key'], $item['product_id']);
             $order = new WC_Order($item['order_id']);
             $order_item = WC_Subscriptions_Order::get_item_by_product_id($order, $item['product_id']);
             $product = $order->get_product_from_item($order_item);
             if (isset($product->variation_data)) {
                 $column_content .= '<br />' . woocommerce_get_formatted_variation($product->variation_data, true);
             }
             break;
         case 'order_id':
             $order = new WC_Order($item[$column_name]);
             $column_content = sprintf('<a href="%1$s">%2$s</a>', get_edit_post_link($item[$column_name]), sprintf(__('Order %s', WC_Subscriptions::$text_domain), $order->get_order_number()));
             $column_content .= sprintf('<input type="hidden" class="%1$s" name="%2$s[%3$s][%4$s][][%1$s]" value="%5$s" />', $column_name, $this->_args['plural'], $item['user_id'], $item['subscription_key'], $item[$column_name]);
             break;
         case 'user':
             $user = get_user_by('id', $item['user_id']);
             $column_content = sprintf('<a href="%s">%s</a>', admin_url('user-edit.php?user_id=' . $user->ID), ucfirst($user->display_name));
             $column_content .= sprintf('<input type="hidden" class="%1$s" name="%2$s[%3$s][%4$s][][%1$s]" value="%5$s" />', 'user_id', $this->_args['plural'], $item['user_id'], $item['subscription_key'], $item['user_id']);
             break;
         case 'start_date':
         case 'expiry_date':
         case 'end_date':
             if ($column_name == 'expiry_date' && $item[$column_name] == 0) {
                 $column_content = __('Never', WC_Subscriptions::$text_domain);
             } else {
                 if ($column_name == 'end_date' && $item[$column_name] == 0) {
                     $column_content = __('Not yet ended', WC_Subscriptions::$text_domain);
                 } else {
                     $gmt_timestamp = strtotime($item[$column_name]);
                     $user_timestamp = $gmt_timestamp + get_option('gmt_offset') * 3600;
                     $column_content = sprintf('<time title="%s">%s</time>', esc_attr($gmt_timestamp), date_i18n(woocommerce_date_format(), $user_timestamp));
                 }
             }
             break;
         case 'trial_expiry_date':
             $trial_expiration = WC_Subscriptions_Manager::get_trial_expiration_date($item['subscription_key'], $item['user_id'], 'timestamp');
             if (empty($trial_expiration)) {
                 $column_content = '-';
             } else {
                 $column_content = sprintf('<time title="%s">%s</time>', esc_attr($trial_expiration), date_i18n(woocommerce_date_format(), $trial_expiration + get_option('gmt_offset') * 3600));
             }
             break;
         case 'last_payment_date':
             $last_payment_timestamp = strtotime($item['last_payment_date']);
             $time_diff = $current_gmt_time - $last_payment_timestamp;
             if ($time_diff > 0 && $time_diff < 7 * 24 * 60 * 60) {
                 $last_payment = sprintf(__('%s ago', WC_Subscriptions::$text_domain), human_time_diff($last_payment_timestamp, $current_gmt_time));
             } else {
                 $last_payment = date_i18n(woocommerce_date_format(), $last_payment_timestamp + get_option('gmt_offset') * 3600);
             }
             $column_content = sprintf('<time title="%s">%s</time>', esc_attr($last_payment_timestamp), $last_payment);
             break;
         case 'next_payment_date':
             $next_payment_timestamp = WC_Subscriptions_Manager::get_next_payment_date($item['subscription_key'], $item['user_id'], 'timestamp');
             if ($next_payment_timestamp == 0) {
                 $column_content = '-';
             } else {
                 // Convert to site time
                 $time_diff = $next_payment_timestamp - $current_gmt_time;
                 if ($time_diff > 0 && $time_diff < 7 * 24 * 60 * 60) {
                     $next_payment = sprintf(__('In %s', WC_Subscriptions::$text_domain), human_time_diff($current_gmt_time, $next_payment_timestamp));
                 } else {
                     $next_payment = date_i18n(woocommerce_date_format(), $next_payment_timestamp + get_option('gmt_offset') * 3600);
                 }
                 $column_content = sprintf('<time class="next-payment-date" title="%s">%s</time>', esc_attr($next_payment_timestamp), $next_payment);
                 if (WC_Subscriptions_Manager::can_subscription_be_changed_to('new-payment-date', $item['subscription_key'], $item['user_id'])) {
                     $column_content .= '<div class="edit-date-div row-actions hide-if-no-js">';
                     $column_content .= '<img class="date-picker-icon" src="' . admin_url('images/date-button.gif') . '" title="Date Picker Icon"/>';
                     $column_content .= '<a href="#edit_timestamp" class="edit-timestamp" tabindex="4">' . __('Change', WC_Subscriptions::$text_domain) . '</a>';
                     $column_content .= '<div class="date-picker-div hide-if-js">';
                     $column_content .= WC_Subscriptions_Manager::touch_time(array('date' => date('Y-m-d', $next_payment_timestamp), 'echo' => false, 'multiple' => true, 'include_time' => false));
                     $column_content .= '</div>';
                     $column_content .= '</form>';
                 }
             }
             break;
         case 'renewal_order_count':
             $count = WC_Subscriptions_Renewal_Order::get_renewal_order_count($item['order_id']);
             $column_content = sprintf('<a href="%1$s">%2$d</a>', admin_url('edit.php?post_status=all&post_type=shop_order&_renewal_order_parent_id=' . absint($item['order_id'])), $count);
             break;
     }
     return $column_content;
 }
 /**
  * Get the membership subscription trial end datetime
  *
  * May return null if the membership is not tied to a subscription
  *
  * @since 1.0.0
  * @param int $user_membership_id User Membership ID
  * @param string $format Optional. Defaults to 'mysql'
  * @return string|null Returns the trial end date or null
  */
 public function get_user_membership_trial_end_date($user_membership_id, $format = 'mysql')
 {
     if (!isset($this->_subscription_trial_end_date[$user_membership_id])) {
         if (!$this->has_user_membership_subscription($user_membership_id)) {
             return null;
         }
         if ($this->is_subscriptions_gte_2_0()) {
             $subscription = $this->get_user_membership_subscription($user_membership_id);
             $this->_subscription_trial_end_date[$user_membership_id] = 'mysql' == $format ? $subscription->get_date('trial_end') : $subscription->get_time('trial_end');
         } else {
             $subscription_key = $this->get_user_membership_subscription_key($user_membership_id);
             $this->_subscription_trial_end_date[$user_membership_id] = WC_Subscriptions_Manager::get_trial_expiration_date($subscription_key, null, $format);
         }
     }
     return $this->_subscription_trial_end_date[$user_membership_id];
 }
 /**
  * Renders a table with subscription information.
  * @param array $options
  * @param int $n will be set to the number of subscriptions found
  */
 public static function render($options, &$n)
 {
     global $wpdb;
     $output = '';
     if (isset($options['user_id'])) {
         $user = new WP_User($options['user_id']);
     } else {
         return $output;
     }
     $statuses = array('active');
     $show_all = false;
     if (isset($options['status'])) {
         $status = $options['status'];
         if (is_string($status)) {
             if (trim($status) === '*') {
                 $statuses = array('active', 'on-hold', 'cancelled', 'trash', 'deleted', 'switched');
             } else {
                 $statuses = array();
                 $_statuses = explode(',', $status);
                 foreach ($_statuses as $status) {
                     $status = strtolower(trim($status));
                     switch ($status) {
                         case 'active':
                         case 'on-hold':
                         case 'cancelled':
                         case 'trash':
                         case 'deleted':
                         case 'switched':
                             $statuses[] = $status;
                             break;
                     }
                 }
             }
         }
     }
     $exclude_cancelled_after_end_of_prepaid_term = isset($options['exclude_cancelled_after_end_of_prepaid_term']) && ($options['exclude_cancelled_after_end_of_prepaid_term'] === true || $options['exclude_cancelled_after_end_of_prepaid_term'] == 'true' || $options['exclude_cancelled_after_end_of_prepaid_term'] == 'yes');
     $include_cancelled_orders = isset($options['include_cancelled_orders']) && ($options['include_cancelled_orders'] === true || $options['include_cancelled_orders'] == 'true' || $options['include_cancelled_orders'] == 'yes');
     $include_refunded_orders = isset($options['include_refunded_orders']) && ($options['include_refunded_orders'] === true || $options['include_refunded_orders'] == 'true' || $options['include_refunded_orders'] == 'yes');
     if (function_exists('wcs_get_users_subscriptions')) {
         $results = array();
         foreach (wcs_get_users_subscriptions($user->ID) as $subscription) {
             $results[wcs_get_old_subscription_key($subscription)] = wcs_get_subscription_in_deprecated_structure($subscription);
         }
     } else {
         $results = WC_Subscriptions_Manager::get_users_subscriptions($user->ID);
     }
     // pre-filter by status
     $_results = array();
     foreach ($results as $result_key => $result) {
         $valid = false;
         if (in_array($result['status'], $statuses)) {
             $valid = true;
         }
         // exclude subscriptions from cancelled or refunded orders
         if (isset($result['order_id'])) {
             if ($order = Groups_WS_Helper::get_order($result['order_id'])) {
                 switch ($order->status) {
                     case 'cancelled':
                         if (!$include_cancelled_orders) {
                             $valid = false;
                         }
                         break;
                     case 'refunded':
                         if (!$include_refunded_orders) {
                             $valid = false;
                         }
                         break;
                 }
             }
         }
         if ($exclude_cancelled_after_end_of_prepaid_term && $result['status'] == 'cancelled') {
             $hook_args = array('user_id' => (int) $user->ID, 'subscription_key' => $result_key);
             $end_timestamp = wp_next_scheduled('scheduled_subscription_end_of_prepaid_term', $hook_args);
             if ($end_timestamp === false || $end_timestamp <= time()) {
                 $valid = false;
             }
         }
         if ($valid) {
             $_results[$result_key] = $result;
         }
     }
     $results = $_results;
     $n = count($results);
     if ($n > 0) {
         $column_display_names = array('status' => __('Status', GROUPS_WS_PLUGIN_DOMAIN), 'title' => __('Subscription', GROUPS_WS_PLUGIN_DOMAIN), 'start_date' => __('Start Date', GROUPS_WS_PLUGIN_DOMAIN), 'expiry_date' => __('Expiration', GROUPS_WS_PLUGIN_DOMAIN), 'end_date' => __('End Date', GROUPS_WS_PLUGIN_DOMAIN), 'trial_expiry_date' => __('Trial Expiration', GROUPS_WS_PLUGIN_DOMAIN), 'groups' => __('Groups', GROUPS_WS_PLUGIN_DOMAIN), 'order_id' => __('Order', GROUPS_WS_PLUGIN_DOMAIN));
         if (isset($options['columns']) && $options['columns'] !== null) {
             if (is_string($options['columns'])) {
                 $columns = explode(',', $options['columns']);
                 $_columns = array();
                 foreach ($columns as $column) {
                     $_columns[] = trim($column);
                 }
                 $options['columns'] = $_columns;
             }
             $new_columns = array();
             foreach ($options['columns'] as $key) {
                 if (key_exists($key, $column_display_names)) {
                     $new_columns[$key] = $column_display_names[$key];
                 }
             }
             $column_display_names = $new_columns;
         }
         if (count($column_display_names) > 0) {
             $output .= '<table class="subscriptions">';
             $output .= '<thead>';
             $output .= '<tr>';
             foreach ($column_display_names as $key => $column_display_name) {
                 $output .= "<th scope='col' class='{$key}'>{$column_display_name}</th>";
             }
             $output .= '</tr>';
             $output .= '</thead>';
             $output .= '<tbody>';
             $i = 0;
             foreach ($results as $result_key => $result) {
                 $order = Groups_WS_Helper::get_order($result['order_id']);
                 if ($order) {
                     $order_item = WC_Subscriptions_Order::get_item_by_product_id($order, $result['product_id']);
                     $product = $order->get_product_from_item($order_item);
                     $output .= '<tr class="' . ($i % 2 == 0 ? 'even' : 'odd') . '">';
                     foreach ($column_display_names as $column_key => $column_title) {
                         $output .= sprintf('<td class="%s">', $column_key);
                         switch ($column_key) {
                             case 'status':
                                 $output .= WC_Subscriptions_Manager::get_status_to_display($result['status'], $result_key, $user->ID);
                                 break;
                             case 'title':
                                 $output .= WC_Subscriptions_Order::get_item_name($result['order_id'], $result['product_id']);
                                 if (isset($product->variation_data)) {
                                     $column_content .= '<br />';
                                     if (function_exists('wc_get_formatted_variation')) {
                                         $column_content .= wc_get_formatted_variation($product->variation_data, true);
                                     } else {
                                         $column_content .= woocommerce_get_formatted_variation($product->variation_data, true);
                                     }
                                 }
                                 break;
                             case 'start_date':
                             case 'expiry_date':
                             case 'end_date':
                                 if ($column_key == 'expiry_date' && $result[$column_key] == 0) {
                                     $output .= __('Never', GROUPS_WS_PLUGIN_DOMAIN);
                                 } else {
                                     if ($column_key == 'end_date' && $result[$column_key] == 0) {
                                         $output .= __('Not yet ended', GROUPS_WS_PLUGIN_DOMAIN);
                                     } else {
                                         $user_timestamp = strtotime($result[$column_key]) + get_option('gmt_offset') * 3600;
                                         $output .= sprintf('<time title="%s">%s</time>', esc_attr($user_timestamp), date_i18n(get_option('date_format'), $user_timestamp));
                                     }
                                 }
                                 break;
                             case 'trial_expiry_date':
                                 $trial_expiration = WC_Subscriptions_Manager::get_trial_expiration_date($result_key, $user->ID, 'timestamp');
                                 if (empty($trial_expiration)) {
                                     $output .= '-';
                                 } else {
                                     $trial_expiration = $trial_expiration + get_option('gmt_offset') * 3600;
                                     $output .= sprintf('<time title="%s">%s</time>', esc_attr($trial_expiration), date_i18n(get_option('date_format'), $trial_expiration));
                                 }
                                 break;
                             case 'groups':
                                 if ($product_groups = get_post_meta($result['product_id'], '_groups_groups', false)) {
                                     if (count($product_groups) > 0) {
                                         $output .= '<ul>';
                                         foreach ($product_groups as $group_id) {
                                             if ($group = Groups_Group::read($group_id)) {
                                                 $output .= '<li>' . wp_filter_nohtml_kses($group->name) . '</li>';
                                             }
                                         }
                                         $output .= '</ul>';
                                     }
                                 }
                                 break;
                             case 'order_id':
                                 $output .= sprintf(__('Order %d', GROUPS_WS_PLUGIN_DOMAIN), $result['order_id']);
                                 break;
                         }
                         $output .= '</td>';
                     }
                     $output .= '</tr>';
                     $i++;
                 }
             }
             $output .= '</tbody>';
             $output .= '</table>';
         }
     }
     return $output;
 }