[44] | 1 | <?php
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| 2 | /**
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| 3 | * The Ultimate Tag Warrior Importer.
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| 4 | *
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| 5 | * @package WordPress
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| 6 | * @subpackage Importer
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| 7 | */
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| 8 |
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| 9 | /**
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| 10 | * Ultimate Tag Warrior Converter to 2.3 taxonomy.
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| 11 | *
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| 12 | * This converts the Ultimate Tag Warrior tags to the 2.3 WordPress taxonomy.
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| 13 | *
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| 14 | * @since 2.3.0
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| 15 | */
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| 16 | class UTW_Import {
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| 17 |
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| 18 | function header() {
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| 19 | echo '<div class="wrap">';
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| 20 | screen_icon();
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| 21 | echo '<h2>'.__('Import Ultimate Tag Warrior').'</h2>';
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| 22 | echo '<p>'.__('Steps may take a few minutes depending on the size of your database. Please be patient.').'<br /><br /></p>';
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| 23 | }
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| 24 |
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| 25 | function footer() {
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| 26 | echo '</div>';
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| 27 | }
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| 28 |
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| 29 | function greet() {
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| 30 | echo '<div class="narrow">';
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| 31 | echo '<p>'.__('Howdy! This imports tags from Ultimate Tag Warrior 3 into WordPress tags.').'</p>';
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| 32 | echo '<p>'.__('This has not been tested on any other versions of Ultimate Tag Warrior. Mileage may vary.').'</p>';
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| 33 | echo '<p>'.__('To accommodate larger databases for those tag-crazy authors out there, we have made this into an easy 5-step program to help you kick that nasty UTW habit. Just keep clicking along and we will let you know when you are in the clear!').'</p>';
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| 34 | echo '<p><strong>'.__('Don’t be stupid - backup your database before proceeding!').'</strong></p>';
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| 35 | echo '<form action="admin.php?import=utw&step=1" method="post">';
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| 36 | echo '<p class="submit"><input type="submit" name="submit" class="button" value="'.esc_attr__('Step 1').'" /></p>';
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| 37 | echo '</form>';
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| 38 | echo '</div>';
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| 39 | }
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| 40 |
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| 41 |
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| 42 | function dispatch () {
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| 43 | if ( empty( $_GET['step'] ) ) {
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| 44 | $step = 0;
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| 45 | } else {
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| 46 | $step = (int) $_GET['step'];
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| 47 | }
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| 48 |
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| 49 | if ( $step > 1 )
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| 50 | check_admin_referer('import-utw');
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| 51 |
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| 52 | // load the header
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| 53 | $this->header();
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| 54 |
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| 55 | switch ( $step ) {
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| 56 | case 0 :
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| 57 | $this->greet();
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| 58 | break;
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| 59 | case 1 :
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| 60 | $this->import_tags();
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| 61 | break;
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| 62 | case 2 :
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| 63 | $this->import_posts();
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| 64 | break;
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| 65 | case 3:
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| 66 | $this->import_t2p();
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| 67 | break;
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| 68 | case 4:
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| 69 | $this->cleanup_import();
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| 70 | break;
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| 71 | }
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| 72 |
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| 73 | // load the footer
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| 74 | $this->footer();
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| 75 | }
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| 76 |
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| 77 |
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| 78 | function import_tags ( ) {
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| 79 | echo '<div class="narrow">';
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| 80 | echo '<p><h3>'.__('Reading UTW Tags…').'</h3></p>';
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| 81 |
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| 82 | $tags = $this->get_utw_tags();
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| 83 |
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| 84 | // if we didn't get any tags back, that's all there is folks!
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| 85 | if ( !is_array($tags) ) {
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| 86 | echo '<p>' . __('No Tags Found!') . '</p>';
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| 87 | return false;
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| 88 | }
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| 89 | else {
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| 90 |
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| 91 | // if there's an existing entry, delete it
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| 92 | if ( get_option('utwimp_tags') ) {
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| 93 | delete_option('utwimp_tags');
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| 94 | }
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| 95 |
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| 96 | add_option('utwimp_tags', $tags);
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| 97 |
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| 98 |
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| 99 | $count = count($tags);
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| 100 |
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| 101 | echo '<p>' . sprintf( _n('Done! <strong>%s</strong> tag were read.', 'Done! <strong>%s</strong> tags were read.', $count), $count ) . '<br /></p>';
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| 102 | echo '<p>' . __('The following tags were found:') . '</p>';
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| 103 |
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| 104 | echo '<ul>';
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| 105 |
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| 106 | foreach ( $tags as $tag_id => $tag_name ) {
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| 107 |
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| 108 | echo '<li>' . $tag_name . '</li>';
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| 109 |
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| 110 | }
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| 111 |
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| 112 | echo '</ul>';
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| 113 |
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| 114 | echo '<br />';
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| 115 |
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| 116 | echo '<p>' . __('If you don’t want to import any of these tags, you should delete them from the UTW tag management page and then re-run this import.') . '</p>';
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| 117 |
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| 118 |
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| 119 | }
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| 120 |
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| 121 | echo '<form action="admin.php?import=utw&step=2" method="post">';
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| 122 | wp_nonce_field('import-utw');
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| 123 | echo '<p class="submit"><input type="submit" name="submit" class="button" value="'.esc_attr__('Step 2').'" /></p>';
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| 124 | echo '</form>';
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| 125 | echo '</div>';
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| 126 | }
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| 127 |
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| 128 |
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| 129 | function import_posts ( ) {
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| 130 | echo '<div class="narrow">';
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| 131 | echo '<p><h3>'.__('Reading UTW Post Tags…').'</h3></p>';
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| 132 |
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| 133 | // read in all the UTW tag -> post settings
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| 134 | $posts = $this->get_utw_posts();
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| 135 |
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| 136 | // if we didn't get any tags back, that's all there is folks!
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| 137 | if ( !is_array($posts) ) {
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| 138 | echo '<p>' . __('No posts were found to have tags!') . '</p>';
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| 139 | return false;
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| 140 | }
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| 141 | else {
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| 142 |
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| 143 | // if there's an existing entry, delete it
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| 144 | if ( get_option('utwimp_posts') ) {
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| 145 | delete_option('utwimp_posts');
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| 146 | }
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| 147 |
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| 148 | add_option('utwimp_posts', $posts);
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| 149 |
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| 150 |
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| 151 | $count = count($posts);
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| 152 |
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| 153 | 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>';
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| 154 |
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| 155 | }
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| 156 |
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| 157 | echo '<form action="admin.php?import=utw&step=3" method="post">';
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| 158 | wp_nonce_field('import-utw');
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| 159 | echo '<p class="submit"><input type="submit" name="submit" class="button" value="'.esc_attr__('Step 3').'" /></p>';
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| 160 | echo '</form>';
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| 161 | echo '</div>';
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| 162 |
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| 163 | }
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| 164 |
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| 165 |
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| 166 | function import_t2p ( ) {
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| 167 |
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| 168 | echo '<div class="narrow">';
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| 169 | echo '<p><h3>'.__('Adding Tags to Posts…').'</h3></p>';
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| 170 |
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| 171 | // run that funky magic!
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| 172 | $tags_added = $this->tag2post();
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| 173 |
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| 174 | echo '<p>' . sprintf( _n( 'Done! <strong>%s</strong> tag were added!', 'Done! <strong>%s</strong> tags were added!', $tags_added ), $tags_added ) . '<br /></p>';
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| 175 |
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| 176 | echo '<form action="admin.php?import=utw&step=4" method="post">';
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| 177 | wp_nonce_field('import-utw');
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| 178 | echo '<p class="submit"><input type="submit" name="submit" class="button" value="'.esc_attr__('Step 4').'" /></p>';
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| 179 | echo '</form>';
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| 180 | echo '</div>';
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| 181 |
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| 182 | }
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| 183 |
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| 184 |
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| 185 | function get_utw_tags ( ) {
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| 186 |
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| 187 | global $wpdb;
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| 188 |
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| 189 | // read in all the tags from the UTW tags table: should be wp_tags
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| 190 | $tags_query = "SELECT tag_id, tag FROM " . $wpdb->prefix . "tags";
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| 191 |
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| 192 | $tags = $wpdb->get_results($tags_query);
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| 193 |
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| 194 | // rearrange these tags into something we can actually use
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| 195 | foreach ( $tags as $tag ) {
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| 196 |
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| 197 | $new_tags[$tag->tag_id] = $tag->tag;
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| 198 |
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| 199 | }
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| 200 |
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| 201 | return $new_tags;
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| 202 |
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| 203 | }
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| 204 |
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| 205 | function get_utw_posts ( ) {
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| 206 |
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| 207 | global $wpdb;
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| 208 |
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| 209 | // read in all the posts from the UTW post->tag table: should be wp_post2tag
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| 210 | $posts_query = "SELECT tag_id, post_id FROM " . $wpdb->prefix . "post2tag";
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| 211 |
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| 212 | $posts = $wpdb->get_results($posts_query);
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| 213 |
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| 214 | return $posts;
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| 215 |
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| 216 | }
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| 217 |
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| 218 |
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| 219 | function tag2post ( ) {
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| 220 |
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| 221 | // get the tags and posts we imported in the last 2 steps
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| 222 | $tags = get_option('utwimp_tags');
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| 223 | $posts = get_option('utwimp_posts');
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| 224 |
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| 225 | // null out our results
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| 226 | $tags_added = 0;
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| 227 |
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| 228 | // loop through each post and add its tags to the db
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| 229 | foreach ( $posts as $this_post ) {
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| 230 |
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| 231 | $the_post = (int) $this_post->post_id;
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| 232 | $the_tag = (int) $this_post->tag_id;
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| 233 |
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| 234 | // what's the tag name for that id?
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| 235 | $the_tag = $tags[$the_tag];
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| 236 |
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| 237 | // screw it, just try to add the tag
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| 238 | wp_add_post_tags($the_post, $the_tag);
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| 239 |
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| 240 | $tags_added++;
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| 241 |
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| 242 | }
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| 243 |
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| 244 | // that's it, all posts should be linked to their tags properly, pending any errors we just spit out!
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| 245 | return $tags_added;
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| 246 |
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| 247 |
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| 248 | }
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| 249 |
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| 250 |
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| 251 | function cleanup_import ( ) {
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| 252 |
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| 253 | delete_option('utwimp_tags');
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| 254 | delete_option('utwimp_posts');
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| 255 |
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| 256 | $this->done();
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| 257 |
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| 258 | }
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| 259 |
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| 260 |
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| 261 | function done ( ) {
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| 262 |
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| 263 | echo '<div class="narrow">';
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| 264 | echo '<p><h3>'.__('Import Complete!').'</h3></p>';
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| 265 |
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| 266 | echo '<p>' . __('OK, so we lied about this being a 5-step program! You’re done!') . '</p>';
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| 267 |
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| 268 | echo '<p>' . __('Now wasn’t that easy?') . '</p>';
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| 269 |
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| 270 | echo '</div>';
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| 271 |
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| 272 | }
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| 273 |
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| 274 |
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| 275 | function UTW_Import ( ) {
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| 276 |
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| 277 | // Nothing.
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| 278 |
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| 279 | }
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| 280 |
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| 281 | }
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| 282 |
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| 283 |
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| 284 | // create the import object
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| 285 | $utw_import = new UTW_Import();
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| 286 |
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| 287 | // add it to the import page!
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| 288 | register_importer('utw', 'Ultimate Tag Warrior', __('Import Ultimate Tag Warrior tags into WordPress tags.'), array($utw_import, 'dispatch'));
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| 289 |
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| 290 | ?>
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