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[autoinstalls/wordpress.git] / wp-admin / import / livejournal.php
1 <?php
2 /**
3  * LiveJournal Importer
4  *
5  * @package WordPress
6  * @subpackage Importer
7  */
8
9 /**
10  * LiveJournal Importer class
11  *
12  * Imports your LiveJournal XML exported file into WordPress.
13  *
14  * @since unknown
15  */
16 class LJ_Import {
17
18         var $file;
19
20         function header() {
21                 echo '<div class="wrap">';
22                 screen_icon();
23                 echo '<h2>'.__('Import LiveJournal').'</h2>';
24         }
25
26         function footer() {
27                 echo '</div>';
28         }
29
30         function unhtmlentities($string) { // From php.net for < 4.3 compat
31                 $trans_tbl = get_html_translation_table(HTML_ENTITIES);
32                 $trans_tbl = array_flip($trans_tbl);
33                 return strtr($string, $trans_tbl);
34         }
35
36         function greet() {
37                 echo '<div class="narrow">';
38                 echo '<p>'.__('Howdy! Upload your LiveJournal XML export file and we&#8217;ll import the posts into this blog.').'</p>';
39                 echo '<p>'.__('Choose a LiveJournal XML file to upload, then click Upload file and import.').'</p>';
40                 wp_import_upload_form("admin.php?import=livejournal&amp;step=1");
41                 echo '</div>';
42         }
43
44         function import_posts() {
45                 global $wpdb, $current_user;
46
47                 set_magic_quotes_runtime(0);
48                 $importdata = file($this->file); // Read the file into an array
49                 $importdata = implode('', $importdata); // squish it
50                 $importdata = str_replace(array ("\r\n", "\r"), "\n", $importdata);
51
52                 preg_match_all('|<entry>(.*?)</entry>|is', $importdata, $posts);
53                 $posts = $posts[1];
54                 unset($importdata);
55                 echo '<ol>';
56                 foreach ($posts as $post) {
57                         preg_match('|<subject>(.*?)</subject>|is', $post, $post_title);
58                         $post_title = $wpdb->escape(trim($post_title[1]));
59                         if ( empty($post_title) ) {
60                                 preg_match('|<itemid>(.*?)</itemid>|is', $post, $post_title);
61                                 $post_title = $wpdb->escape(trim($post_title[1]));
62                         }
63
64                         preg_match('|<eventtime>(.*?)</eventtime>|is', $post, $post_date);
65                         $post_date = strtotime($post_date[1]);
66                         $post_date = date('Y-m-d H:i:s', $post_date);
67
68                         preg_match('|<event>(.*?)</event>|is', $post, $post_content);
69                         $post_content = str_replace(array ('<![CDATA[', ']]>'), '', trim($post_content[1]));
70                         $post_content = $this->unhtmlentities($post_content);
71
72                         // Clean up content
73                         $post_content = preg_replace_callback('|<(/?[A-Z]+)|', create_function('$match', 'return "<" . strtolower($match[1]);'), $post_content);
74                         $post_content = str_replace('<br>', '<br />', $post_content);
75                         $post_content = str_replace('<hr>', '<hr />', $post_content);
76                         $post_content = $wpdb->escape($post_content);
77
78                         $post_author = $current_user->ID;
79                         $post_status = 'publish';
80
81                         echo '<li>';
82                         if ($post_id = post_exists($post_title, $post_content, $post_date)) {
83                                 printf(__('Post <em>%s</em> already exists.'), stripslashes($post_title));
84                         } else {
85                                 printf(__('Importing post <em>%s</em>...'), stripslashes($post_title));
86                                 $postdata = compact('post_author', 'post_date', 'post_content', 'post_title', 'post_status');
87                                 $post_id = wp_insert_post($postdata);
88                                 if ( is_wp_error( $post_id ) )
89                                         return $post_id;
90                                 if (!$post_id) {
91                                         _e("Couldn't get post ID");
92                                         echo '</li>';
93                                         break;
94                                 }
95                         }
96
97                         preg_match_all('|<comment>(.*?)</comment>|is', $post, $comments);
98                         $comments = $comments[1];
99
100                         if ( $comments ) {
101                                 $comment_post_ID = (int) $post_id;
102                                 $num_comments = 0;
103                                 foreach ($comments as $comment) {
104                                         preg_match('|<event>(.*?)</event>|is', $comment, $comment_content);
105                                         $comment_content = str_replace(array ('<![CDATA[', ']]>'), '', trim($comment_content[1]));
106                                         $comment_content = $this->unhtmlentities($comment_content);
107
108                                         // Clean up content
109                                         $comment_content = preg_replace_callback('|<(/?[A-Z]+)|', create_function('$match', 'return "<" . strtolower($match[1]);'), $comment_content);
110                                         $comment_content = str_replace('<br>', '<br />', $comment_content);
111                                         $comment_content = str_replace('<hr>', '<hr />', $comment_content);
112                                         $comment_content = $wpdb->escape($comment_content);
113
114                                         preg_match('|<eventtime>(.*?)</eventtime>|is', $comment, $comment_date);
115                                         $comment_date = trim($comment_date[1]);
116                                         $comment_date = date('Y-m-d H:i:s', strtotime($comment_date));
117
118                                         preg_match('|<name>(.*?)</name>|is', $comment, $comment_author);
119                                         $comment_author = $wpdb->escape(trim($comment_author[1]));
120
121                                         preg_match('|<email>(.*?)</email>|is', $comment, $comment_author_email);
122                                         $comment_author_email = $wpdb->escape(trim($comment_author_email[1]));
123
124                                         $comment_approved = 1;
125                                         // Check if it's already there
126                                         if (!comment_exists($comment_author, $comment_date)) {
127                                                 $commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_date', 'comment_content', 'comment_approved');
128                                                 $commentdata = wp_filter_comment($commentdata);
129                                                 wp_insert_comment($commentdata);
130                                                 $num_comments++;
131                                         }
132                                 }
133                         }
134                         if ( $num_comments ) {
135                                 echo ' ';
136                                 printf(__ngettext('(%s comment)', '(%s comments)', $num_comments), $num_comments);
137                         }
138                         echo '</li>';
139                 }
140                 echo '</ol>';
141         }
142
143         function import() {
144                 $file = wp_import_handle_upload();
145                 if ( isset($file['error']) ) {
146                         echo $file['error'];
147                         return;
148                 }
149
150                 $this->file = $file['file'];
151                 $result = $this->import_posts();
152                 if ( is_wp_error( $result ) )
153                         return $result;
154                 wp_import_cleanup($file['id']);
155                 do_action('import_done', 'livejournal');
156
157                 echo '<h3>';
158                 printf(__('All done. <a href="%s">Have fun!</a>'), get_option('home'));
159                 echo '</h3>';
160         }
161
162         function dispatch() {
163                 if (empty ($_GET['step']))
164                         $step = 0;
165                 else
166                         $step = (int) $_GET['step'];
167
168                 $this->header();
169
170                 switch ($step) {
171                         case 0 :
172                                 $this->greet();
173                                 break;
174                         case 1 :
175                                 check_admin_referer('import-upload');
176                                 $result = $this->import();
177                                 if ( is_wp_error( $result ) )
178                                         echo $result->get_error_message();
179                                 break;
180                 }
181
182                 $this->footer();
183         }
184
185         function LJ_Import() {
186                 // Nothing.
187         }
188 }
189
190 $livejournal_import = new LJ_Import();
191
192 register_importer('livejournal', __('LiveJournal'), __('Import posts from a LiveJournal XML export file.'), array ($livejournal_import, 'dispatch'));
193 ?>