/**
  * export_logs function
  */
 public function export_logs()
 {
     global $wpdb;
     if (empty($_GET['dlm_download_logs'])) {
         return;
     }
     $filter_status = isset($_REQUEST['filter_status']) ? sanitize_text_field($_REQUEST['filter_status']) : '';
     $filter_month = !empty($_REQUEST['filter_month']) ? sanitize_text_field($_REQUEST['filter_month']) : '';
     $items = $wpdb->get_results($wpdb->prepare("SELECT * FROM {$wpdb->download_log}\n\t\t    \tWHERE type = 'download'\n\t\t    \t" . ($filter_status ? "AND download_status = '%s'" : "%s") . "\n\t            " . ($filter_month ? "AND download_date >= '%s'" : "%s") . "\n\t            " . ($filter_month ? "AND download_date <= '%s'" : "%s") . "\n\t\t    \tORDER BY download_date DESC", $filter_status ? $filter_status : "", $filter_month ? date('Y-m-01', strtotime($filter_month)) : "", $filter_month ? date('Y-m-t', strtotime($filter_month)) : ""));
     $rows = array();
     $row = array();
     $row[] = __('Download ID', 'download_monitor');
     $row[] = __('Version ID', 'download_monitor');
     $row[] = __('Filename', 'download_monitor');
     $row[] = __('User ID', 'download_monitor');
     $row[] = __('User Login', 'download_monitor');
     $row[] = __('User Email', 'download_monitor');
     $row[] = __('User IP', 'download_monitor');
     $row[] = __('User Agent', 'download_monitor');
     $row[] = __('Date', 'download_monitor');
     $row[] = __('Status', 'download_monitor');
     $rows[] = '"' . implode('","', $row) . '"';
     if (!empty($items)) {
         foreach ($items as $item) {
             $row = array();
             $row[] = $item->download_id;
             $row[] = $item->version_id;
             $download = new DLM_Download($item->download_id);
             $download->set_version($item->version_id);
             if ($download->exists() && $download->get_the_filename()) {
                 $row[] = $download->get_the_filename();
             } else {
                 $row[] = '-';
             }
             $row[] = $item->user_id;
             if ($item->user_id) {
                 $user = get_user_by('id', $item->user_id);
             }
             if (!isset($user) || !$user) {
                 $row[] = '-';
                 $row[] = '-';
             } else {
                 $row[] = $user->user_login;
                 $row[] = $user->user_email;
             }
             $row[] = $item->user_ip;
             $row[] = $item->user_agent;
             $row[] = $item->download_date;
             $row[] = $item->download_status . ($item->download_status_message ? ' - ' : '') . $item->download_status_message;
             $rows[] = '"' . implode('","', $row) . '"';
         }
     }
     $log = implode("\n", $rows);
     header("Content-type: text/csv");
     header("Content-Disposition: attachment; filename=download_log.csv");
     header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
     header("Content-Length: " . strlen($log));
     echo $log;
     exit;
 }
 /**
  * column_default function.
  *
  * @access public
  *
  * @param mixed $log
  * @param mixed $column_name
  *
  * @return void
  */
 function column_default($log, $column_name)
 {
     switch ($column_name) {
         case 'status':
             switch ($log->download_status) {
                 case 'failed':
                     $download_status = '<span class="failed" title="' . esc_attr($log->download_status_message) . '">&nbsp;</span>';
                     break;
                 case 'redirected':
                     $download_status = '<span class="redirected" title="' . esc_attr($log->download_status_message) . '">&nbsp;</span>';
                     break;
                 default:
                     $download_status = '<span class="completed" title="' . __('Download Complete', 'download-monitor') . '">&nbsp;</span>';
                     break;
             }
             return $download_status;
             break;
         case 'date':
             return '<time title="' . date_i18n(get_option('date_format') . ' @ ' . get_option('time_format'), strtotime($log->download_date)) . '"">' . sprintf(__('%s ago', 'download-monitor'), human_time_diff(strtotime($log->download_date), current_time('timestamp'))) . '</time>';
             break;
         case 'download':
             $download = new DLM_Download($log->download_id);
             $download->set_version($log->version_id);
             if (!$download->exists()) {
                 $download_string = sprintf(__('Download #%d (no longer exists)', 'download-monitor'), $log->download_id);
             } else {
                 $download_string = '<a href="' . admin_url('post.php?post=' . $download->id . '&action=edit') . '">';
                 $download_string .= '#' . $download->id . ' &ndash; ' . $download->get_the_title();
                 $download_string .= '</a>';
             }
             if ($log->version) {
                 $download_string .= ' (' . sprintf(__('v%s', 'download-monitor'), $log->version) . ')';
             }
             return $download_string;
             break;
         case 'file':
             $download = new DLM_Download($log->download_id);
             $download->set_version($log->version_id);
             if ($download->exists() && $download->get_the_filename()) {
                 $download_string = '<code>' . $download->get_the_filename() . '</code>';
             } else {
                 $download_string = '&ndash;';
             }
             return $download_string;
             break;
         case 'user':
             if ($log->user_id) {
                 $user = get_user_by('id', $log->user_id);
             }
             if (!isset($user) || !$user) {
                 $user_string = __('Non-member', 'download-monitor');
             } else {
                 $user_string = '<a href="' . admin_url('user-edit.php?user_id=' . $user->ID) . '">';
                 $user_string .= $user->user_login . ' &ndash; ';
                 $user_string .= '<a href="mailto:' . $user->user_email . '">';
                 $user_string .= $user->user_email;
                 $user_string .= '</a>';
             }
             return $user_string;
             break;
         case 'user_ip':
             return '<a href="http://whois.arin.net/rest/ip/' . $log->user_ip . '" target="_blank">' . $log->user_ip . '</a>';
             break;
         case 'user_ua':
             $ua = $this->uaparser->parse($log->user_agent);
             return $ua->toFullString;
             break;
     }
 }
 /**
  * download_data function.
  *
  * @access public
  * @param mixed $atts
  * @param mixed $content
  * @return void
  */
 public function download_data($atts)
 {
     global $download_monitor;
     extract(shortcode_atts(array('id' => '', 'data' => '', 'version_id' => '', 'version' => ''), $atts));
     $id = apply_filters('dlm_shortcode_download_id', $id);
     if (empty($id) || empty($data)) {
         return;
     }
     $download = new DLM_Download($id);
     if ($version) {
         $version_id = $download->get_version_id($version);
     }
     if ($version_id) {
         $download->set_version($version_id);
     }
     switch ($data) {
         // File / Version Info
         case 'filename':
             return $download->get_the_filename();
         case 'filetype':
             return $download->get_the_filetype();
         case 'filesize':
             return $download->get_the_filesize();
         case 'version':
             return $download->get_the_version_number();
             // Download Info
         // Download Info
         case 'title':
             return $download->get_the_title();
         case 'short_description':
             return $download->get_the_short_description();
         case 'download_link':
             return $download->get_the_download_link();
         case 'download_count':
             return $download->get_the_download_count();
         case 'post_content':
             return wpautop(wptexturize(do_shortcode($download->post->post_content)));
         case 'post_date':
             return date_i18n(get_option('date_format', $download->post->post_date));
         case 'author':
             return $download->get_the_author();
             // Images
         // Images
         case 'image':
             return $download->get_the_image('full');
         case 'thumbnail':
             return $download->get_the_image('thumbnail');
             // Taxonomies
         // Taxonomies
         case 'tags':
             return get_the_term_list($id, 'dlm_download_tags', '', ', ', '');
         case 'categories':
             return get_the_term_list($id, 'dlm_download_category', '', ', ', '');
     }
 }