source: trunk/www.guidonia.net/wp/wp-admin/import/stp.php@ 44

Last change on this file since 44 was 44, checked in by luciano, 14 years ago
File size: 5.0 KB
Line 
1<?php
2/**
3 * Simple Tags Plugin Importer
4 *
5 * @package WordPress
6 * @subpackage Importer
7 */
8
9/**
10 * Simple Tags Plugin Tags converter class.
11 *
12 * Will convert Simple Tags Plugin tags over to the WordPress 2.3 taxonomy.
13 *
14 * @since unknown
15 */
16class STP_Import {
17 function header() {
18 echo '<div class="wrap">';
19 screen_icon();
20 echo '<h2>'.__('Import Simple Tagging').'</h2>';
21 echo '<p>'.__('Steps may take a few minutes depending on the size of your database. Please be patient.').'<br /><br /></p>';
22 }
23
24 function footer() {
25 echo '</div>';
26 }
27
28 function greet() {
29 echo '<div class="narrow">';
30 echo '<p>'.__('Howdy! This imports tags from Simple Tagging 1.6.2 into WordPress tags.').'</p>';
31 echo '<p>'.__('This has not been tested on any other versions of Simple Tagging. Mileage may vary.').'</p>';
32 echo '<p>'.__('To accommodate larger databases for those tag-crazy authors out there, we have made this into an easy 4-step program to help you kick that nasty Simple Tagging habit. Just keep clicking along and we will let you know when you are in the clear!').'</p>';
33 echo '<p><strong>'.__('Don&#8217;t be stupid - backup your database before proceeding!').'</strong></p>';
34 echo '<form action="admin.php?import=stp&amp;step=1" method="post">';
35 wp_nonce_field('import-stp');
36 echo '<p class="submit"><input type="submit" name="submit" class="button" value="'.esc_attr__('Step 1').'" /></p>';
37 echo '</form>';
38 echo '</div>';
39 }
40
41 function dispatch () {
42 if ( empty( $_GET['step'] ) ) {
43 $step = 0;
44 } else {
45 $step = (int) $_GET['step'];
46 }
47 // load the header
48 $this->header();
49 switch ( $step ) {
50 case 0 :
51 $this->greet();
52 break;
53 case 1 :
54 check_admin_referer('import-stp');
55 $this->import_posts();
56 break;
57 case 2:
58 check_admin_referer('import-stp');
59 $this->import_t2p();
60 break;
61 case 3:
62 check_admin_referer('import-stp');
63 $this->cleanup_import();
64 break;
65 }
66 // load the footer
67 $this->footer();
68 }
69
70
71 function import_posts ( ) {
72 echo '<div class="narrow">';
73 echo '<p><h3>'.__('Reading STP Post Tags&#8230;').'</h3></p>';
74
75 // read in all the STP tag -> post settings
76 $posts = $this->get_stp_posts();
77
78 // if we didn't get any tags back, that's all there is folks!
79 if ( !is_array($posts) ) {
80 echo '<p>' . __('No posts were found to have tags!') . '</p>';
81 return false;
82 }
83 else {
84 // if there's an existing entry, delete it
85 if ( get_option('stpimp_posts') ) {
86 delete_option('stpimp_posts');
87 }
88
89 add_option('stpimp_posts', $posts);
90 $count = count($posts);
91 echo '<p>' . sprintf( _n('Done! <strong>%s</strong> tag to post relationships were read.', 'Done! <strong>%s</strong> tags to post relationships were read.', $count), $count ) . '<br /></p>';
92 }
93
94 echo '<form action="admin.php?import=stp&amp;step=2" method="post">';
95 wp_nonce_field('import-stp');
96 echo '<p class="submit"><input type="submit" name="submit" class="button" value="'.esc_attr__('Step 2').'" /></p>';
97 echo '</form>';
98 echo '</div>';
99 }
100
101
102 function import_t2p ( ) {
103 echo '<div class="narrow">';
104 echo '<p><h3>'.__('Adding Tags to Posts&#8230;').'</h3></p>';
105
106 // run that funky magic!
107 $tags_added = $this->tag2post();
108
109 echo '<p>' . sprintf( _n('Done! <strong>%s</strong> tag was added!', 'Done! <strong>%s</strong> tags were added!', $tags_added), $tags_added ) . '<br /></p>';
110 echo '<form action="admin.php?import=stp&amp;step=3" method="post">';
111 wp_nonce_field('import-stp');
112 echo '<p class="submit"><input type="submit" name="submit" class="button" value="'.esc_attr__('Step 3').'" /></p>';
113 echo '</form>';
114 echo '</div>';
115 }
116
117 function get_stp_posts ( ) {
118 global $wpdb;
119 // read in all the posts from the STP post->tag table: should be wp_post2tag
120 $posts_query = "SELECT post_id, tag_name FROM " . $wpdb->prefix . "stp_tags";
121 $posts = $wpdb->get_results($posts_query);
122 return $posts;
123 }
124
125 function tag2post ( ) {
126 global $wpdb;
127
128 // get the tags and posts we imported in the last 2 steps
129 $posts = get_option('stpimp_posts');
130
131 // null out our results
132 $tags_added = 0;
133
134 // loop through each post and add its tags to the db
135 foreach ( $posts as $this_post ) {
136 $the_post = (int) $this_post->post_id;
137 $the_tag = $wpdb->escape($this_post->tag_name);
138 // try to add the tag
139 wp_add_post_tags($the_post, $the_tag);
140 $tags_added++;
141 }
142
143 // that's it, all posts should be linked to their tags properly, pending any errors we just spit out!
144 return $tags_added;
145 }
146
147 function cleanup_import ( ) {
148 delete_option('stpimp_posts');
149 $this->done();
150 }
151
152 function done ( ) {
153 echo '<div class="narrow">';
154 echo '<p><h3>'.__('Import Complete!').'</h3></p>';
155 echo '<p>' . __('OK, so we lied about this being a 4-step program! You&#8217;re done!') . '</p>';
156 echo '<p>' . __('Now wasn&#8217;t that easy?') . '</p>';
157 echo '</div>';
158 }
159
160 function STP_Import ( ) {
161 // Nothing.
162 }
163}
164
165// create the import object
166$stp_import = new STP_Import();
167
168// add it to the import page!
169register_importer('stp', 'Simple Tagging', __('Import Simple Tagging tags into WordPress tags.'), array($stp_import, 'dispatch'));
170?>
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