Ticket #2665: xanga.php.txt

<?php
// new xanga archive importer by Jeremy Jay
//  - updated 4-2-06 for wordpress 2.0 and new archive format
//
// borrows code heavily from livejournal importer


class Xanga_Import {

    var $file;

    function header() {
        echo '<div class="wrap">';
        echo '<h2>'.__('Import Xanga').'</h2>';
    }

    function footer() {
        echo '</div>';
    }

    function unhtmlentities($string) { // From php.net for < 4.3 compat
        $trans_tbl = get_html_translation_table(HTML_ENTITIES);
        $trans_tbl = array_flip($trans_tbl);
        return strtr($string, $trans_tbl);
    }
    
    function greet() {
        echo '<p>'.__('Howdy! This importer allows you to extract posts and comments from Xanga Premium Archive files into your blog.  If you don't have Premium but have enough posts to be looking at this, just pay $4 for a month to get the archive and you'll at least be supporting Xanga for all the hosting they've done for you.  Pick an archive file to upload and click Import.').'</p>';
        wp_import_upload_form("admin.php?import=xanga&amp;step=1");
    }

    function import_posts() {
        global $wpdb, $current_user;
        
        set_magic_quotes_runtime(0);
        $importdata = file($this->file); // Read the file into an array
        $importdata = implode('', $importdata); // squish it
        $importdata = str_replace(array ("\r\n", "\r"), "\n", $importdata);
        
        preg_match_all('|<div class="blogheader">(.*?)<hr size=1 noshade>(<div class="blogheader">)*?|is', $importdata, $posts);
        $posts = $posts[1];
        unset($importdata);
        echo '<ol>';        
        
        foreach ($posts as $post) {
            flush();
            preg_match('|^(.*?)</div>|is', $post, $post_title);
            $post_title = $wpdb->escape(trim($post_title[1]));
            
            preg_match('|<div class="smalltext">Posted (.*?)</div>|is', $post, $post_date);
            $post_date = strtotime($post_date[1]);

            $com = split(' ', $post_title);

            if( $com[1]=='Comments' ) {
                preg_match_all('|<div class="ctextfooterwrap"><div class="ctext">(.*?)</div></div>|is', $post, $comments);
                $comments = $comments[1];

                $comment_post_ID = $post_id;
                $num_comments = 0;
                foreach ($comments as $comment) {
                    preg_match('|^(.*?)</div><div class="cfooter">|is', $comment, $comment_content);
                    $comment_content = str_replace(array ('<![CDATA[', ']]>'), '', trim($comment_content[1]));
                    $comment_content = $this->unhtmlentities($comment_content);

                    // Clean up content
                    $comment_content = preg_replace('|<(/?[A-Z]+)|e', "'<' . strtolower('$1')", $comment_content);
                    $comment_content = str_replace('<br>', '<br />', $comment_content);
                    $comment_content = str_replace('<hr>', '<hr />', $comment_content);
                    $comment_content = $wpdb->escape($comment_content);

                    preg_match('|<div class="cfooter">Posted (.*?) by |is', $comment, $comment_date);
                    $comment_date = trim($comment_date[1]);
                    $comment_date = date('Y-m-d H:i:s', strtotime($comment_date));

                    preg_match('|<a href="http://www\.xanga\.com/home\.aspx\?user=(.*?)">(.*?)</a>|is', $comment, $comment_author);
                    $comment_author = $wpdb->escape(trim($comment_author[1]));
                    $comment_author_url = 'http://www.xanga.com/home.aspx?user='.$comment_author;

                    $comment_approved = 1;
                    // Check if it's already there
                    if (!comment_exists($comment_author, $comment_date)) {
                        $commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_url', 'comment_date', 'comment_content', 'comment_approved');
                        $commentdata = wp_filter_comment($commentdata);
                        wp_insert_comment($commentdata);
                        $num_comments++;
                    }
                }
                if ( $num_comments ) {
                    echo ' ';
                    printf(__('(%s comments)'), $num_comments);
                }
            } else {
                $post_title.=' at '.date('h:i a', $post_date);
                $post_date = gmdate('Y-m-d H:i:s', $post_date);

                preg_match('|<td style="padding-left:20; padding-bottom:20">(.*?)<div class="smalltext">Posted |is', $post, $post_content);
                $post_content = str_replace(array ('<![CDATA[', ']]>'), '', trim($post_content[1]));
                $post_content = $this->unhtmlentities($post_content);

                // Clean up content
                $post_content = preg_replace('|<(/?[A-Z]+)|e', "'<' . strtolower('$1')", $post_content);
                $post_content = str_replace('<br>', '<br />', $post_content);
                $post_content = str_replace('<hr>', '<hr />', $post_content);
                $post_content = $wpdb->escape($post_content);

                $post_author = $current_user->ID;
                $post_status = 'publish';

                echo '<li>';
                if ($post_id = post_exists($post_title, $post_content, $post_date)) {
                    printf(__('Post <i>%s</i> already exists.'), stripslashes($post_title));
                } else {
                    printf(__('Importing post <i>%s</i>...'), stripslashes($post_title));
                    $postdata = compact('post_author', 'post_date', 'post_content', 'post_title', 'post_status');
                    $post_id = wp_insert_post($postdata);
                    if (!$post_id) {
                        _e("Couldn't get post ID");
                        echo '</li>';
                        break;
                    }
                }
            }

            echo '</li>';
            flush();
            ob_flush();
        }
        echo '</ol>';
    }

    function import() {
        $file = wp_import_handle_upload();
        if ( isset($file['error']) ) {
            echo $file['error'];
            return;
        }

        $this->file = $file['file'];
        $this->import_posts();
        wp_import_cleanup($file['id']);
        
        echo '<h3>';
        printf(__('All done. <a href="%s">Have fun!</a>'), get_option('home'));
        echo '</h3>';
    }

    function dispatch() {
        if (empty ($_GET['step']))
            $step = 0;
        else
            $step = (int) $_GET['step'];

        $this->header();
        
        switch ($step) {
            case 0 :
                $this->greet();
                break;
            case 1 :
                $this->import();
                break;
        }
        
        $this->footer();
    }

    function Xanga_Import() {
        // Nothing.    
    }
}

$xanga_import = new Xanga_Import();

register_importer('xanga', 'Xanga', __('Import posts from Xanga Archives'), array ($xanga_import, 'dispatch'));
?>