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   1  <?php
   2  /**
   3   * BunnyTags Plugin Tag Importer
   4   *
   5   * @package WordPress
   6   * @subpackage Importer
   7   */
   8  
   9  /**
  10   * BunnyTags Plugin tag converter
  11   *
  12   * This will process the BunnyTags plugin tags and convert them to the WordPress
  13   * 2.3 taxonomy.
  14   *
  15   * @since unknown
  16   */
  17  class BunnyTags_Import {
  18  
  19  	function header() {
  20          echo '<div class="wrap">';
  21          screen_icon();
  22          echo '<h2>'.__('Import Bunny&#8217;s Technorati Tags').'</h2>';
  23          echo '<p>'.__('Steps may take a few minutes depending on the size of your database. Please be patient.').'<br /><br /></p>';
  24      }
  25  
  26  	function footer() {
  27          echo '</div>';
  28      }
  29  
  30  	function greet() {
  31          echo '<div class="narrow">';
  32          echo '<p>'.__('Howdy! This imports tags from Bunny&#8217;s Technorati Tags into WordPress tags.').'</p>';
  33          echo '<p>'.__('This is suitable for Bunny&#8217;s Technorati Tags version 0.6.').'</p>';
  34          echo '<p><strong>'.__('All existing Bunny&#8217;s Technorati Tags will be removed after import.').'</strong></p>';
  35          echo '<p><strong>'.__('Don&#8217;t be stupid - backup your database before proceeding!').'</strong></p>';
  36          echo '<form action="admin.php?import=btt&amp;step=1" method="post">';
  37          wp_nonce_field('import-btt');
  38          echo '<p class="submit"><input type="submit" name="submit" class="button" value="'.__('Import Tags').'" /></p>';
  39          echo '</form>';
  40          echo '</div>';
  41      }
  42  
  43  	function dispatch() {
  44          if ( empty($_GET['step']) )
  45              $step = 0;
  46          else
  47              $step = absint($_GET['step']);
  48  
  49          // load the header
  50          $this->header();
  51  
  52          switch ( $step ) {
  53              case 0 :
  54                  $this->greet();
  55                  break;
  56              case 1 :
  57                  check_admin_referer('import-btt');
  58                  $this->check_post_keyword( true );
  59                  break;
  60              case 2 :
  61                  check_admin_referer('import-btt');
  62                  $this->check_post_keyword( false );
  63                  break;
  64              case 3:
  65                  $this->done();
  66                  break;
  67          }
  68  
  69          // load the footer
  70          $this->footer();
  71      }
  72  
  73  	function check_post_keyword($precheck = true) {
  74          global $wpdb;
  75  
  76          echo '<div class="narrow">';
  77          echo '<p><h3>'.__('Reading Bunny&#8217;s Technorati Tags&#8230;').'</h3></p>';
  78  
  79          // import Bunny's Keywords tags
  80          $metakeys = $wpdb->get_results("SELECT post_id, meta_id, meta_key, meta_value FROM $wpdb->postmeta WHERE $wpdb->postmeta.meta_key = 'tags'");
  81          if ( !is_array($metakeys)) {
  82              echo '<p>' . __('No Tags Found!') . '</p>';
  83              return false;
  84          } else {
  85              $count = count($metakeys);
  86              echo '<p>' . sprintf( __ngettext('Done! <strong>%s</strong> post with tags were read.', 'Done! <strong>%s</strong> posts with tags were read.', $count), $count ) . '<br /></p>';
  87              echo '<ul>';
  88              foreach ( $metakeys as $post_meta ) {
  89                  if ( $post_meta->meta_value != '' ) {
  90                      $post_keys = explode(' ', $post_meta->meta_value);
  91                      foreach ( $post_keys as $keyword ) {
  92                          $keyword = addslashes(trim(str_replace('+',' ',$keyword)));
  93                          if ( '' != $keyword ) {
  94                              echo '<li>' . $post_meta->post_id . '&nbsp;-&nbsp;' . $keyword . '</li>';
  95                              if ( !$precheck )
  96                                  wp_add_post_tags($post_meta->post_id, $keyword);
  97                          }
  98                      }
  99                  }
 100                  if ( !$precheck )
 101                      delete_post_meta($post_meta->post_id, 'tags');
 102              }
 103              echo '</ul>';
 104          }
 105  
 106          echo '<form action="admin.php?import=btt&amp;step='.($precheck? 2:3).'" method="post">';
 107          wp_nonce_field('import-btt');
 108          echo '<p class="submit"><input type="submit" name="submit" class="button" value="'.__('Next').'" /></p>';
 109          echo '</form>';
 110          echo '</div>';
 111      }
 112  
 113  	function done() {
 114          echo '<div class="narrow">';
 115          echo '<p><h3>'.__('Import Complete!').'</h3></p>';
 116          echo '</div>';
 117      }
 118  
 119  	function BunnyTags_Import() {
 120      }
 121  
 122  }
 123  
 124  // create the import object
 125  $btt_import = new BunnyTags_Import();
 126  
 127  // add it to the import page!
 128  register_importer('btt', 'Bunny&#8217;s Technorati Tags', __('Import Bunny&#8217;s Technorati Tags into WordPress tags.'), array($btt_import, 'dispatch'));
 129  
 130  ?>