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PHP Script  |  2008-04-14  |  19.8 KB  |  675 lines

  1. <?php
  2. /**
  3.     Add These Functions to make our lives easier
  4. **/
  5.  
  6. if(!function_exists('get_comment_count'))
  7. {
  8.     function get_comment_count($post_ID)
  9.     {
  10.         global $wpdb;
  11.         return $wpdb->get_var( $wpdb->prepare("SELECT count(*) FROM $wpdb->comments WHERE comment_post_ID = %d", $post_ID) );
  12.     }
  13. }
  14.  
  15. if(!function_exists('link_exists'))
  16. {
  17.     function link_exists($linkname)
  18.     {
  19.         global $wpdb;
  20.         return $wpdb->get_var( $wpdb->prepare("SELECT link_id FROM $wpdb->links WHERE link_name = %s", $linkname) );
  21.     }
  22. }
  23.  
  24. /**
  25.     The Main Importer Class
  26. **/
  27. class Textpattern_Import {
  28.  
  29.     function header()
  30.     {
  31.         echo '<div class="wrap">';
  32.         echo '<h2>'.__('Import Textpattern').'</h2>';
  33.         echo '<p>'.__('Steps may take a few minutes depending on the size of your database. Please be patient.').'</p>';
  34.     }
  35.  
  36.     function footer()
  37.     {
  38.         echo '</div>';
  39.     }
  40.  
  41.     function greet() {
  42.         echo '<div class="narrow">';
  43.         echo '<p>'.__('Howdy! This imports categories, users, posts, comments, and links from any Textpattern 4.0.2+ into this blog.').'</p>';
  44.         echo '<p>'.__('This has not been tested on previous versions of Textpattern.  Mileage may vary.').'</p>';
  45.         echo '<p>'.__('Your Textpattern Configuration settings are as follows:').'</p>';
  46.         echo '<form action="admin.php?import=textpattern&step=1" method="post">';
  47.         wp_nonce_field('import-textpattern');
  48.         $this->db_form();
  49.         echo '<p class="submit"><input type="submit" class="button" name="submit" value="'.attribute_escape(__('Import')).'" /></p>';
  50.         echo '</form>';
  51.         echo '</div>';
  52.     }
  53.  
  54.     function get_txp_cats()
  55.     {
  56.         global $wpdb;
  57.         // General Housekeeping
  58.         $txpdb = new wpdb(get_option('txpuser'), get_option('txppass'), get_option('txpname'), get_option('txphost'));
  59.         set_magic_quotes_runtime(0);
  60.         $prefix = get_option('tpre');
  61.  
  62.         // Get Categories
  63.         return $txpdb->get_results('SELECT
  64.             id,
  65.             name,
  66.             title
  67.             FROM '.$prefix.'txp_category
  68.             WHERE type = "article"',
  69.             ARRAY_A);
  70.     }
  71.  
  72.     function get_txp_users()
  73.     {
  74.         global $wpdb;
  75.         // General Housekeeping
  76.         $txpdb = new wpdb(get_option('txpuser'), get_option('txppass'), get_option('txpname'), get_option('txphost'));
  77.         set_magic_quotes_runtime(0);
  78.         $prefix = get_option('tpre');
  79.  
  80.         // Get Users
  81.  
  82.         return $txpdb->get_results('SELECT
  83.             user_id,
  84.             name,
  85.             RealName,
  86.             email,
  87.             privs
  88.             FROM '.$prefix.'txp_users', ARRAY_A);
  89.     }
  90.  
  91.     function get_txp_posts()
  92.     {
  93.         // General Housekeeping
  94.         $txpdb = new wpdb(get_option('txpuser'), get_option('txppass'), get_option('txpname'), get_option('txphost'));
  95.         set_magic_quotes_runtime(0);
  96.         $prefix = get_option('tpre');
  97.  
  98.         // Get Posts
  99.         return $txpdb->get_results('SELECT
  100.             ID,
  101.             Posted,
  102.             AuthorID,
  103.             LastMod,
  104.             Title,
  105.             Body,
  106.             Excerpt,
  107.             Category1,
  108.             Category2,
  109.             Status,
  110.             Keywords,
  111.             url_title,
  112.             comments_count
  113.             FROM '.$prefix.'textpattern
  114.             ', ARRAY_A);
  115.     }
  116.  
  117.     function get_txp_comments()
  118.     {
  119.         global $wpdb;
  120.         // General Housekeeping
  121.         $txpdb = new wpdb(get_option('txpuser'), get_option('txppass'), get_option('txpname'), get_option('txphost'));
  122.         set_magic_quotes_runtime(0);
  123.         $prefix = get_option('tpre');
  124.  
  125.         // Get Comments
  126.         return $txpdb->get_results('SELECT * FROM '.$prefix.'txp_discuss', ARRAY_A);
  127.     }
  128.  
  129.         function get_txp_links()
  130.     {
  131.         //General Housekeeping
  132.         $txpdb = new wpdb(get_option('txpuser'), get_option('txppass'), get_option('txpname'), get_option('txphost'));
  133.         set_magic_quotes_runtime(0);
  134.         $prefix = get_option('tpre');
  135.  
  136.         return $txpdb->get_results('SELECT
  137.             id,
  138.             date,
  139.             category,
  140.             url,
  141.             linkname,
  142.             description
  143.             FROM '.$prefix.'txp_link',
  144.             ARRAY_A);
  145.     }
  146.  
  147.     function cat2wp($categories='')
  148.     {
  149.         // General Housekeeping
  150.         global $wpdb;
  151.         $count = 0;
  152.         $txpcat2wpcat = array();
  153.         // Do the Magic
  154.         if(is_array($categories))
  155.         {
  156.             echo '<p>'.__('Importing Categories...').'<br /><br /></p>';
  157.             foreach ($categories as $category)
  158.             {
  159.                 $count++;
  160.                 extract($category);
  161.  
  162.  
  163.                 // Make Nice Variables
  164.                 $name = $wpdb->escape($name);
  165.                 $title = $wpdb->escape($title);
  166.  
  167.                 if($cinfo = category_exists($name))
  168.                 {
  169.                     $ret_id = wp_insert_category(array('cat_ID' => $cinfo, 'category_nicename' => $name, 'cat_name' => $title));
  170.                 }
  171.                 else
  172.                 {
  173.                     $ret_id = wp_insert_category(array('category_nicename' => $name, 'cat_name' => $title));
  174.                 }
  175.                 $txpcat2wpcat[$id] = $ret_id;
  176.             }
  177.  
  178.             // Store category translation for future use
  179.             add_option('txpcat2wpcat',$txpcat2wpcat);
  180.             echo '<p>'.sprintf(__ngettext('Done! <strong>%1$s</strong> category imported.', 'Done! <strong>%1$s</strong> categories imported.', $count), $count).'<br /><br /></p>';
  181.             return true;
  182.         }
  183.         echo __('No Categories to Import!');
  184.         return false;
  185.     }
  186.  
  187.     function users2wp($users='')
  188.     {
  189.         // General Housekeeping
  190.         global $wpdb;
  191.         $count = 0;
  192.         $txpid2wpid = array();
  193.  
  194.         // Midnight Mojo
  195.         if(is_array($users))
  196.         {
  197.             echo '<p>'.__('Importing Users...').'<br /><br /></p>';
  198.             foreach($users as $user)
  199.             {
  200.                 $count++;
  201.                 extract($user);
  202.  
  203.                 // Make Nice Variables
  204.                 $name = $wpdb->escape($name);
  205.                 $RealName = $wpdb->escape($RealName);
  206.  
  207.                 if($uinfo = get_userdatabylogin($name))
  208.                 {
  209.  
  210.                     $ret_id = wp_insert_user(array(
  211.                                 'ID'            => $uinfo->ID,
  212.                                 'user_login'    => $name,
  213.                                 'user_nicename'    => $RealName,
  214.                                 'user_email'    => $email,
  215.                                 'user_url'        => 'http://',
  216.                                 'display_name'    => $name)
  217.                                 );
  218.                 }
  219.                 else
  220.                 {
  221.                     $ret_id = wp_insert_user(array(
  222.                                 'user_login'    => $name,
  223.                                 'user_nicename'    => $RealName,
  224.                                 'user_email'    => $email,
  225.                                 'user_url'        => 'http://',
  226.                                 'display_name'    => $name)
  227.                                 );
  228.                 }
  229.                 $txpid2wpid[$user_id] = $ret_id;
  230.  
  231.                 // Set Textpattern-to-WordPress permissions translation
  232.                 $transperms = array(1 => '10', 2 => '9', 3 => '5', 4 => '4', 5 => '3', 6 => '2', 7 => '0');
  233.  
  234.                 // Update Usermeta Data
  235.                 $user = new WP_User($ret_id);
  236.                 if('10' == $transperms[$privs]) { $user->set_role('administrator'); }
  237.                 if('9'  == $transperms[$privs]) { $user->set_role('editor'); }
  238.                 if('5'  == $transperms[$privs]) { $user->set_role('editor'); }
  239.                 if('4'  == $transperms[$privs]) { $user->set_role('author'); }
  240.                 if('3'  == $transperms[$privs]) { $user->set_role('contributor'); }
  241.                 if('2'  == $transperms[$privs]) { $user->set_role('contributor'); }
  242.                 if('0'  == $transperms[$privs]) { $user->set_role('subscriber'); }
  243.  
  244.                 update_usermeta( $ret_id, 'wp_user_level', $transperms[$privs] );
  245.                 update_usermeta( $ret_id, 'rich_editing', 'false');
  246.             }// End foreach($users as $user)
  247.  
  248.             // Store id translation array for future use
  249.             add_option('txpid2wpid',$txpid2wpid);
  250.  
  251.  
  252.             echo '<p>'.sprintf(__('Done! <strong>%1$s</strong> users imported.'), $count).'<br /><br /></p>';
  253.             return true;
  254.         }// End if(is_array($users)
  255.  
  256.         echo __('No Users to Import!');
  257.         return false;
  258.  
  259.     }// End function user2wp()
  260.  
  261.     function posts2wp($posts='')
  262.     {
  263.         // General Housekeeping
  264.         global $wpdb;
  265.         $count = 0;
  266.         $txpposts2wpposts = array();
  267.         $cats = array();
  268.  
  269.         // Do the Magic
  270.         if(is_array($posts))
  271.         {
  272.             echo '<p>'.__('Importing Posts...').'<br /><br /></p>';
  273.             foreach($posts as $post)
  274.             {
  275.                 $count++;
  276.                 extract($post);
  277.  
  278.                 // Set Textpattern-to-WordPress status translation
  279.                 $stattrans = array(1 => 'draft', 2 => 'private', 3 => 'draft', 4 => 'publish', 5 => 'publish');
  280.  
  281.                 //Can we do this more efficiently?
  282.                 $uinfo = ( get_userdatabylogin( $AuthorID ) ) ? get_userdatabylogin( $AuthorID ) : 1;
  283.                 $authorid = ( is_object( $uinfo ) ) ? $uinfo->ID : $uinfo ;
  284.  
  285.                 $Title = $wpdb->escape($Title);
  286.                 $Body = $wpdb->escape($Body);
  287.                 $Excerpt = $wpdb->escape($Excerpt);
  288.                 $post_status = $stattrans[$Status];
  289.  
  290.                 // Import Post data into WordPress
  291.  
  292.                 if($pinfo = post_exists($Title,$Body))
  293.                 {
  294.                     $ret_id = wp_insert_post(array(
  295.                         'ID'                => $pinfo,
  296.                         'post_date'            => $Posted,
  297.                         'post_date_gmt'        => $post_date_gmt,
  298.                         'post_author'        => $authorid,
  299.                         'post_modified'        => $LastMod,
  300.                         'post_modified_gmt' => $post_modified_gmt,
  301.                         'post_title'        => $Title,
  302.                         'post_content'        => $Body,
  303.                         'post_excerpt'        => $Excerpt,
  304.                         'post_status'        => $post_status,
  305.                         'post_name'            => $url_title,
  306.                         'comment_count'        => $comments_count)
  307.                         );
  308.                     if ( is_wp_error( $ret_id ) )
  309.                         return $ret_id;
  310.                 }
  311.                 else
  312.                 {
  313.                     $ret_id = wp_insert_post(array(
  314.                         'post_date'            => $Posted,
  315.                         'post_date_gmt'        => $post_date_gmt,
  316.                         'post_author'        => $authorid,
  317.                         'post_modified'        => $LastMod,
  318.                         'post_modified_gmt' => $post_modified_gmt,
  319.                         'post_title'        => $Title,
  320.                         'post_content'        => $Body,
  321.                         'post_excerpt'        => $Excerpt,
  322.                         'post_status'        => $post_status,
  323.                         'post_name'            => $url_title,
  324.                         'comment_count'        => $comments_count)
  325.                         );
  326.                     if ( is_wp_error( $ret_id ) )
  327.                         return $ret_id;
  328.                 }
  329.                 $txpposts2wpposts[$ID] = $ret_id;
  330.  
  331.                 // Make Post-to-Category associations
  332.                 $cats = array();
  333.                 $category1 = get_category_by_slug($Category1);
  334.                 $category1 = $category1->term_id;
  335.                 $category2 = get_category_by_slug($Category2);
  336.                 $category2 = $category1->term_id;
  337.                 if($cat1 = $category1) { $cats[1] = $cat1; }
  338.                 if($cat2 = $category2) { $cats[2] = $cat2; }
  339.  
  340.                 if(!empty($cats)) { wp_set_post_categories($ret_id, $cats); }
  341.             }
  342.         }
  343.         // Store ID translation for later use
  344.         add_option('txpposts2wpposts',$txpposts2wpposts);
  345.  
  346.         echo '<p>'.sprintf(__('Done! <strong>%1$s</strong> posts imported.'), $count).'<br /><br /></p>';
  347.         return true;
  348.     }
  349.  
  350.     function comments2wp($comments='')
  351.     {
  352.         // General Housekeeping
  353.         global $wpdb;
  354.         $count = 0;
  355.         $txpcm2wpcm = array();
  356.         $postarr = get_option('txpposts2wpposts');
  357.  
  358.         // Magic Mojo
  359.         if(is_array($comments))
  360.         {
  361.             echo '<p>'.__('Importing Comments...').'<br /><br /></p>';
  362.             foreach($comments as $comment)
  363.             {
  364.                 $count++;
  365.                 extract($comment);
  366.  
  367.                 // WordPressify Data
  368.                 $comment_ID = ltrim($discussid, '0');
  369.                 $comment_post_ID = $postarr[$parentid];
  370.                 $comment_approved = (1 == $visible) ? 1 : 0;
  371.                 $name = $wpdb->escape($name);
  372.                 $email = $wpdb->escape($email);
  373.                 $web = $wpdb->escape($web);
  374.                 $message = $wpdb->escape($message);
  375.  
  376.                 if($cinfo = comment_exists($name, $posted))
  377.                 {
  378.                     // Update comments
  379.                     $ret_id = wp_update_comment(array(
  380.                         'comment_ID'            => $cinfo,
  381.                         'comment_post_ID'        => $comment_post_ID,
  382.                         'comment_author'        => $name,
  383.                         'comment_author_email'    => $email,
  384.                         'comment_author_url'    => $web,
  385.                         'comment_date'            => $posted,
  386.                         'comment_content'        => $message,
  387.                         'comment_approved'        => $comment_approved)
  388.                         );
  389.                 }
  390.                 else
  391.                 {
  392.                     // Insert comments
  393.                     $ret_id = wp_insert_comment(array(
  394.                         'comment_post_ID'        => $comment_post_ID,
  395.                         'comment_author'        => $name,
  396.                         'comment_author_email'    => $email,
  397.                         'comment_author_url'    => $web,
  398.                         'comment_author_IP'        => $ip,
  399.                         'comment_date'            => $posted,
  400.                         'comment_content'        => $message,
  401.                         'comment_approved'        => $comment_approved)
  402.                         );
  403.                 }
  404.                 $txpcm2wpcm[$comment_ID] = $ret_id;
  405.             }
  406.             // Store Comment ID translation for future use
  407.             add_option('txpcm2wpcm', $txpcm2wpcm);
  408.  
  409.             // Associate newly formed categories with posts
  410.             get_comment_count($ret_id);
  411.  
  412.  
  413.             echo '<p>'.sprintf(__('Done! <strong>%1$s</strong> comments imported.'), $count).'<br /><br /></p>';
  414.             return true;
  415.         }
  416.         echo __('No Comments to Import!');
  417.         return false;
  418.     }
  419.  
  420.     function links2wp($links='')
  421.     {
  422.         // General Housekeeping
  423.         global $wpdb;
  424.         $count = 0;
  425.  
  426.         // Deal with the links
  427.         if(is_array($links))
  428.         {
  429.             echo '<p>'.__('Importing Links...').'<br /><br /></p>';
  430.             foreach($links as $link)
  431.             {
  432.                 $count++;
  433.                 extract($link);
  434.  
  435.                 // Make nice vars
  436.                 $category = $wpdb->escape($category);
  437.                 $linkname = $wpdb->escape($linkname);
  438.                 $description = $wpdb->escape($description);
  439.  
  440.                 if($linfo = link_exists($linkname))
  441.                 {
  442.                     $ret_id = wp_insert_link(array(
  443.                                 'link_id'            => $linfo,
  444.                                 'link_url'            => $url,
  445.                                 'link_name'            => $linkname,
  446.                                 'link_category'        => $category,
  447.                                 'link_description'    => $description,
  448.                                 'link_updated'        => $date)
  449.                                 );
  450.                 }
  451.                 else
  452.                 {
  453.                     $ret_id = wp_insert_link(array(
  454.                                 'link_url'            => $url,
  455.                                 'link_name'            => $linkname,
  456.                                 'link_category'        => $category,
  457.                                 'link_description'    => $description,
  458.                                 'link_updated'        => $date)
  459.                                 );
  460.                 }
  461.                 $txplinks2wplinks[$link_id] = $ret_id;
  462.             }
  463.             add_option('txplinks2wplinks',$txplinks2wplinks);
  464.             echo '<p>';
  465.             printf(__ngettext('Done! <strong>%s</strong> link imported', 'Done! <strong>%s</strong> links imported', $count), $count);
  466.             echo '<br /><br /></p>';
  467.             return true;
  468.         }
  469.         echo __('No Links to Import!');
  470.         return false;
  471.     }
  472.  
  473.     function import_categories()
  474.     {
  475.         // Category Import
  476.         $cats = $this->get_txp_cats();
  477.         $this->cat2wp($cats);
  478.         add_option('txp_cats', $cats);
  479.  
  480.  
  481.  
  482.         echo '<form action="admin.php?import=textpattern&step=2" method="post">';
  483.         wp_nonce_field('import-textpattern');
  484.         printf('<input type="submit" class="button" name="submit" value="%s" />', attribute_escape(__('Import Users')));
  485.         echo '</form>';
  486.  
  487.     }
  488.  
  489.     function import_users()
  490.     {
  491.         // User Import
  492.         $users = $this->get_txp_users();
  493.         $this->users2wp($users);
  494.  
  495.         echo '<form action="admin.php?import=textpattern&step=3" method="post">';
  496.         wp_nonce_field('import-textpattern');
  497.         printf('<input type="submit" class="button" name="submit" value="%s" />', attribute_escape(__('Import Posts')));
  498.         echo '</form>';
  499.     }
  500.  
  501.     function import_posts()
  502.     {
  503.         // Post Import
  504.         $posts = $this->get_txp_posts();
  505.         $result = $this->posts2wp($posts);
  506.         if ( is_wp_error( $result ) )
  507.             return $result;
  508.  
  509.         echo '<form action="admin.php?import=textpattern&step=4" method="post">';
  510.         wp_nonce_field('import-textpattern');
  511.         printf('<input type="submit" class="button" name="submit" value="%s" />', attribute_escape(__('Import Comments')));
  512.         echo '</form>';
  513.     }
  514.  
  515.     function import_comments()
  516.     {
  517.         // Comment Import
  518.         $comments = $this->get_txp_comments();
  519.         $this->comments2wp($comments);
  520.  
  521.         echo '<form action="admin.php?import=textpattern&step=5" method="post">';
  522.         wp_nonce_field('import-textpattern');
  523.         printf('<input type="submit" class="button" name="submit" value="%s" />', attribute_escape(__('Import Links')));
  524.         echo '</form>';
  525.     }
  526.  
  527.     function import_links()
  528.     {
  529.         //Link Import
  530.         $links = $this->get_txp_links();
  531.         $this->links2wp($links);
  532.         add_option('txp_links', $links);
  533.  
  534.         echo '<form action="admin.php?import=textpattern&step=6" method="post">';
  535.         wp_nonce_field('import-textpattern');
  536.         printf('<input type="submit" class="button" name="submit" value="%s" />', attribute_escape(__('Finish')));
  537.         echo '</form>';
  538.     }
  539.  
  540.     function cleanup_txpimport()
  541.     {
  542.         delete_option('tpre');
  543.         delete_option('txp_cats');
  544.         delete_option('txpid2wpid');
  545.         delete_option('txpcat2wpcat');
  546.         delete_option('txpposts2wpposts');
  547.         delete_option('txpcm2wpcm');
  548.         delete_option('txplinks2wplinks');
  549.         delete_option('txpuser');
  550.         delete_option('txppass');
  551.         delete_option('txpname');
  552.         delete_option('txphost');
  553.         do_action('import_done', 'textpattern');
  554.         $this->tips();
  555.     }
  556.  
  557.     function tips()
  558.     {
  559.         echo '<p>'.__('Welcome to WordPress.  We hope (and expect!) that you will find this platform incredibly rewarding!  As a new WordPress user coming from Textpattern, there are some things that we would like to point out.  Hopefully, they will help your transition go as smoothly as possible.').'</p>';
  560.         echo '<h3>'.__('Users').'</h3>';
  561.         echo '<p>'.sprintf(__('You have already setup WordPress and have been assigned an administrative login and password.  Forget it.  You didn’t have that login in Textpattern, why should you have it here?  Instead we have taken care to import all of your users into our system.  Unfortunately there is one downside.  Because both WordPress and Textpattern uses a strong encryption hash with passwords, it is impossible to decrypt it and we are forced to assign temporary passwords to all your users.  <strong>Every user has the same username, but their passwords are reset to password123.</strong>  So <a href="%1$s">Login</a> and change it.'), get_bloginfo( 'wpurl' ) . '/wp-login.php').'</p>';
  562.         echo '<h3>'.__('Preserving Authors').'</h3>';
  563.         echo '<p>'.__('Secondly, we have attempted to preserve post authors.  If you are the only author or contributor to your blog, then you are safe.  In most cases, we are successful in this preservation endeavor.  However, if we cannot ascertain the name of the writer due to discrepancies between database tables, we assign it to you, the administrative user.').'</p>';
  564.         echo '<h3>'.__('Textile').'</h3>';
  565.         echo '<p>'.__('Also, since you’re coming from Textpattern, you probably have been using Textile to format your comments and posts.  If this is the case, we recommend downloading and installing <a href="http://www.huddledmasses.org/category/development/wordpress/textile/">Textile for WordPress</a>.  Trust me... You’ll want it.').'</p>';
  566.         echo '<h3>'.__('WordPress Resources').'</h3>';
  567.         echo '<p>'.__('Finally, there are numerous WordPress resources around the internet.  Some of them are:').'</p>';
  568.         echo '<ul>';
  569.         echo '<li>'.__('<a href="http://www.wordpress.org">The official WordPress site</a>').'</li>';
  570.         echo '<li>'.__('<a href="http://wordpress.org/support/">The WordPress support forums</a>').'</li>';
  571.         echo '<li>'.__('<a href="http://codex.wordpress.org">The Codex (In other words, the WordPress Bible)</a>').'</li>';
  572.         echo '</ul>';
  573.         echo '<p>'.sprintf(__('That’s it! What are you waiting for? Go <a href="%1$s">login</a>!'), get_bloginfo( 'wpurl' ) . '/wp-login.php').'</p>';
  574.     }
  575.  
  576.     function db_form()
  577.     {
  578.         echo '<table class="form-table">';
  579.         printf('<tr><th scope="row"><label for="dbuser">%s</label></th><td><input type="text" name="dbuser" id="dbuser" /></td></tr>', __('Textpattern Database User:'));
  580.         printf('<tr><th scope="row"><label for="dbpass">%s</label></th><td><input type="password" name="dbpass" id="dbpass" /></td></tr>', __('Textpattern Database Password:'));
  581.         printf('<tr><th scope="row"><label for="dbname">%s</label></th><td><input type="text" id="dbname" name="dbname" /></td></tr>', __('Textpattern Database Name:'));
  582.         printf('<tr><th scope="row"><label for="dbhost">%s</label></th><td><input type="text" id="dbhost" name="dbhost" value="localhost" /></td></tr>', __('Textpattern Database Host:'));
  583.         printf('<tr><th scope="row"><label for="dbprefix">%s</label></th><td><input type="text" name="dbprefix" id="dbprefix"  /></td></tr>', __('Textpattern Table prefix (if any):'));
  584.         echo '</table>';
  585.     }
  586.  
  587.     function dispatch()
  588.     {
  589.  
  590.         if (empty ($_GET['step']))
  591.             $step = 0;
  592.         else
  593.             $step = (int) $_GET['step'];
  594.         $this->header();
  595.  
  596.         if ( $step > 0 )
  597.         {
  598.             check_admin_referer('import-textpattern');
  599.  
  600.             if($_POST['dbuser'])
  601.             {
  602.                 if(get_option('txpuser'))
  603.                     delete_option('txpuser');
  604.                 add_option('txpuser', sanitize_user($_POST['dbuser'], true));
  605.             }
  606.             if($_POST['dbpass'])
  607.             {
  608.                 if(get_option('txppass'))
  609.                     delete_option('txppass');
  610.                 add_option('txppass',  sanitize_user($_POST['dbpass'], true));
  611.             }
  612.  
  613.             if($_POST['dbname'])
  614.             {
  615.                 if(get_option('txpname'))
  616.                     delete_option('txpname');
  617.                 add_option('txpname',  sanitize_user($_POST['dbname'], true));
  618.             }
  619.             if($_POST['dbhost'])
  620.             {
  621.                 if(get_option('txphost'))
  622.                     delete_option('txphost');
  623.                 add_option('txphost',  sanitize_user($_POST['dbhost'], true));
  624.             }
  625.             if($_POST['dbprefix'])
  626.             {
  627.                 if(get_option('tpre'))
  628.                     delete_option('tpre');
  629.                 add_option('tpre',  sanitize_user($_POST['dbprefix']));
  630.             }
  631.  
  632.  
  633.         }
  634.  
  635.         switch ($step)
  636.         {
  637.             default:
  638.             case 0 :
  639.                 $this->greet();
  640.                 break;
  641.             case 1 :
  642.                 $this->import_categories();
  643.                 break;
  644.             case 2 :
  645.                 $this->import_users();
  646.                 break;
  647.             case 3 :
  648.                 $result = $this->import_posts();
  649.                 if ( is_wp_error( $result ) )
  650.                     echo $result->get_error_message();
  651.                 break;
  652.             case 4 :
  653.                 $this->import_comments();
  654.                 break;
  655.             case 5 :
  656.                 $this->import_links();
  657.                 break;
  658.             case 6 :
  659.                 $this->cleanup_txpimport();
  660.                 break;
  661.         }
  662.  
  663.         $this->footer();
  664.     }
  665.  
  666.     function Textpattern_Import()
  667.     {
  668.         // Nothing.
  669.     }
  670. }
  671.  
  672. $txp_import = new Textpattern_Import();
  673. register_importer('textpattern', __('Textpattern'), __('Import categories, users, posts, comments, and links from a Textpattern blog.'), array ($txp_import, 'dispatch'));
  674. ?>
  675.