Wordpress 2.0.11
[autoinstalls/wordpress.git] / wp-admin / import / livejournal.php
1 <?php
2
3 class LJ_Import {
4
5         var $file;
6
7         function header() {
8                 echo '<div class="wrap">';
9                 echo '<h2>'.__('Import LiveJournal').'</h2>';
10         }
11
12         function footer() {
13                 echo '</div>';
14         }
15
16         function unhtmlentities($string) { // From php.net for < 4.3 compat
17                 $trans_tbl = get_html_translation_table(HTML_ENTITIES);
18                 $trans_tbl = array_flip($trans_tbl);
19                 return strtr($string, $trans_tbl);
20         }
21         
22         function greet() {
23                 echo '<p>'.__('Howdy! This importer allows you to extract posts from LiveJournal XML export file into your blog.  Pick a LiveJournal file to upload and click Import.').'</p>';
24                 wp_import_upload_form("admin.php?import=livejournal&amp;step=1");
25         }
26
27         function import_posts() {
28                 global $wpdb, $current_user;
29                 
30                 set_magic_quotes_runtime(0);
31                 $importdata = file($this->file); // Read the file into an array
32                 $importdata = implode('', $importdata); // squish it
33                 $importdata = str_replace(array ("\r\n", "\r"), "\n", $importdata);
34
35                 preg_match_all('|<entry>(.*?)</entry>|is', $importdata, $posts);
36                 $posts = $posts[1];
37                 unset($importdata);
38                 echo '<ol>';            
39                 foreach ($posts as $post) {
40                         flush();
41                         preg_match('|<subject>(.*?)</subject>|is', $post, $post_title);
42                         $post_title = $wpdb->escape(trim($post_title[1]));
43                         if ( empty($post_title) ) {
44                                 preg_match('|<itemid>(.*?)</itemid>|is', $post, $post_title);
45                                 $post_title = $wpdb->escape(trim($post_title[1]));
46                         }
47
48                         preg_match('|<eventtime>(.*?)</eventtime>|is', $post, $post_date);
49                         $post_date = strtotime($post_date[1]);
50                         $post_date = gmdate('Y-m-d H:i:s', $post_date);
51
52                         preg_match('|<event>(.*?)</event>|is', $post, $post_content);
53                         $post_content = str_replace(array ('<![CDATA[', ']]>'), '', trim($post_content[1]));
54                         $post_content = $this->unhtmlentities($post_content);
55
56                         // Clean up content
57                         $post_content = preg_replace('|<(/?[A-Z]+)|e', "'<' . strtolower('$1')", $post_content);
58                         $post_content = str_replace('<br>', '<br />', $post_content);
59                         $post_content = str_replace('<hr>', '<hr />', $post_content);
60                         $post_content = $wpdb->escape($post_content);
61
62                         $post_author = $current_user->ID;
63                         $post_status = 'publish';
64
65                         echo '<li>';
66                         if ($post_id = post_exists($post_title, $post_content, $post_date)) {
67                                 printf(__('Post <i>%s</i> already exists.'), stripslashes($post_title));
68                         } else {
69                                 printf(__('Importing post <i>%s</i>...'), stripslashes($post_title));
70                                 $postdata = compact('post_author', 'post_date', 'post_content', 'post_title', 'post_status');
71                                 $post_id = wp_insert_post($postdata);
72                                 if (!$post_id) {
73                                         _e("Couldn't get post ID");
74                                         echo '</li>';
75                                         break;
76                                 }
77                         }
78
79                         preg_match_all('|<comment>(.*?)</comment>|is', $post, $comments);
80                         $comments = $comments[1];
81                         
82                         if ( $comments ) {
83                                 $comment_post_ID = (int) $post_id;
84                                 $num_comments = 0;
85                                 foreach ($comments as $comment) {
86                                         preg_match('|<event>(.*?)</event>|is', $comment, $comment_content);
87                                         $comment_content = str_replace(array ('<![CDATA[', ']]>'), '', trim($comment_content[1]));
88                                         $comment_content = $this->unhtmlentities($comment_content);
89
90                                         // Clean up content
91                                         $comment_content = preg_replace('|<(/?[A-Z]+)|e', "'<' . strtolower('$1')", $comment_content);
92                                         $comment_content = str_replace('<br>', '<br />', $comment_content);
93                                         $comment_content = str_replace('<hr>', '<hr />', $comment_content);
94                                         $comment_content = $wpdb->escape($comment_content);
95
96                                         preg_match('|<eventtime>(.*?)</eventtime>|is', $comment, $comment_date);
97                                         $comment_date = trim($comment_date[1]);
98                                         $comment_date = date('Y-m-d H:i:s', strtotime($comment_date));
99
100                                         preg_match('|<name>(.*?)</name>|is', $comment, $comment_author);
101                                         $comment_author = $wpdb->escape(trim($comment_author[1]));
102
103                                         preg_match('|<email>(.*?)</email>|is', $comment, $comment_author_email);
104                                         $comment_author_email = $wpdb->escape(trim($comment_author_email[1]));
105
106                                         $comment_approved = 1;
107                                         // Check if it's already there
108                                         if (!comment_exists($comment_author, $comment_date)) {
109                                                 $commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_date', 'comment_content', 'comment_approved');
110                                                 $commentdata = wp_filter_comment($commentdata);
111                                                 wp_insert_comment($commentdata);
112                                                 $num_comments++;
113                                         }
114                                 }
115                         }
116                         if ( $num_comments ) {
117                                 echo ' ';
118                                 printf(__('(%s comments)'), $num_comments);
119                         }
120                         echo '</li>';
121                         flush();
122                         ob_flush();
123                 }
124                 echo '</ol>';
125         }
126
127         function import() {
128                 $file = wp_import_handle_upload();
129                 if ( isset($file['error']) ) {
130                         echo $file['error'];
131                         return;
132                 }
133
134                 $this->file = $file['file'];
135                 $this->import_posts();
136                 wp_import_cleanup($file['id']);
137                 
138                 echo '<h3>';
139                 printf(__('All done. <a href="%s">Have fun!</a>'), get_option('home'));
140                 echo '</h3>';
141         }
142
143         function dispatch() {
144                 if (empty ($_GET['step']))
145                         $step = 0;
146                 else
147                         $step = (int) $_GET['step'];
148
149                 $this->header();
150                 
151                 switch ($step) {
152                         case 0 :
153                                 $this->greet();
154                                 break;
155                         case 1 :
156                                 check_admin_referer('import-upload');
157                                 $this->import();
158                                 break;
159                 }
160                 
161                 $this->footer();
162         }
163
164         function LJ_Import() {
165                 // Nothing.     
166         }
167 }
168
169 $livejournal_import = new LJ_Import();
170
171 register_importer('livejournal', __('LiveJournal'), __('Import posts from LiveJournal'), array ($livejournal_import, 'dispatch'));
172 ?>