| <?php |
| class STP_Import { |
| function header() { |
| echo '<div class="wrap">'; |
| echo '<h2>'.__('Import Simple Tagging').'</h2>'; |
| echo '<p>'.__('Steps may take a few minutes depending on the size of your database. Please be patient.').'<br /><br /></p>'; |
| } |
| |
| function footer() { |
| echo '</div>'; |
| } |
| |
| function greet() { |
| echo '<div class="narrow">'; |
| echo '<p>'.__('Howdy! This imports tags from an existing Simple Tagging 1.6.2 installation into this blog using the new WordPress native tagging structure.').'</p>'; |
| echo '<p>'.__('This has not been tested on any other versions of Simple Tagging. Mileage may vary.').'</p>'; |
| 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>'; |
| echo '<p><strong>'.__('Don’t be stupid - backup your database before proceeding!').'</strong></p>'; |
| echo '<form action="admin.php?import=stp&step=1" method="post">'; |
| wp_nonce_field('import-stp'); |
| echo '<p class="submit"><input type="submit" name="submit" value="'.__('Step 1 »').'" /></p>'; |
| echo '</form>'; |
| echo '</div>'; |
| } |
| |
| function dispatch () { |
| if ( empty( $_GET['step'] ) ) { |
| $step = 0; |
| } else { |
| $step = (int) $_GET['step']; |
| } |
| // load the header |
| $this->header(); |
| switch ( $step ) { |
| case 0 : |
| $this->greet(); |
| break; |
| case 1 : |
| check_admin_referer('import-stp'); |
| $this->import_posts(); |
| break; |
| case 2: |
| check_admin_referer('import-stp'); |
| $this->import_t2p(); |
| break; |
| case 3: |
| check_admin_referer('import-stp'); |
| $this->cleanup_import(); |
| break; |
| } |
| // load the footer |
| $this->footer(); |
| } |
| |
| |
| function import_posts ( ) { |
| echo '<div class="narrow">'; |
| echo '<p><h3>'.__('Reading STP Post Tags…').'</h3></p>'; |
| |
| // read in all the STP tag -> post settings |
| $posts = $this->get_stp_posts(); |
| |
| // if we didn't get any tags back, that's all there is folks! |
| if ( !is_array($posts) ) { |
| echo '<p>' . __('No posts were found to have tags!') . '</p>'; |
| return false; |
| } |
| else { |
| // if there's an existing entry, delete it |
| if ( get_option('stpimp_posts') ) { |
| delete_option('stpimp_posts'); |
| } |
| |
| add_option('stpimp_posts', $posts); |
| $count = count($posts); |
| echo '<p>' . sprintf( __('Done! <strong>%s</strong> tag to post relationships were read.'), $count ) . '<br /></p>'; |
| } |
| |
| echo '<form action="admin.php?import=stp&step=2" method="post">'; |
| wp_nonce_field('import-stp'); |
| echo '<p class="submit"><input type="submit" name="submit" value="'.__('Step 2 »').'" /></p>'; |
| echo '</form>'; |
| echo '</div>'; |
| } |
| |
| |
| function import_t2p ( ) { |
| echo '<div class="narrow">'; |
| echo '<p><h3>'.__('Adding Tags to Posts…').'</h3></p>'; |
| |
| // run that funky magic! |
| $tags_added = $this->tag2post(); |
| |
| echo '<p>' . sprintf( __('Done! <strong>%s</strong> tags where added!'), $tags_added ) . '<br /></p>'; |
| echo '<form action="admin.php?import=stp&step=3" method="post">'; |
| wp_nonce_field('import-stp'); |
| echo '<p class="submit"><input type="submit" name="submit" value="'.__('Step 3 »').'" /></p>'; |
| echo '</form>'; |
| echo '</div>'; |
| } |
| |
| function get_stp_posts ( ) { |
| global $wpdb; |
| // read in all the posts from the STP post->tag table: should be wp_post2tag |
| $posts_query = "SELECT post_id, tag_name FROM " . $wpdb->prefix . "stp_tags"; |
| $posts = $wpdb->get_results($posts_query); |
| return $posts; |
| } |
| |
| function tag2post ( ) { |
| global $wpdb; |
| |
| // get the tags and posts we imported in the last 2 steps |
| $posts = get_option('stpimp_posts'); |
| |
| // null out our results |
| $tags_added = 0; |
| |
| // loop through each post and add its tags to the db |
| foreach ( $posts as $this_post ) { |
| $the_post = (int) $this_post->post_id; |
| $the_tag = $wpdb->escape($this_post->tag_name); |
| // try to add the tag |
| wp_add_post_tags($the_post, $the_tag); |
| $tags_added++; |
| } |
| |
| // that's it, all posts should be linked to their tags properly, pending any errors we just spit out! |
| return $tags_added; |
| } |
| |
| function cleanup_import ( ) { |
| delete_option('stpimp_posts'); |
| $this->done(); |
| } |
| |
| function done ( ) { |
| echo '<div class="narrow">'; |
| echo '<p><h3>'.__('Import Complete!').'</h3></p>'; |
| echo '<p>' . __('OK, so we lied about this being a 4-step program! You’re done!') . '</p>'; |
| echo '<p>' . __('Now wasn’t that easy?') . '</p>'; |
| echo '</div>'; |
| } |
| |
| function STP_Import ( ) { |
| // Nothing. |
| } |
| } |
| |
| // create the import object |
| $stp_import = new STP_Import(); |
| |
| // add it to the import page! |
| register_importer('stp', 'Simple Tagging', __('Import Simple Tagging tags into the new native tagging structure.'), array($stp_import, 'dispatch')); |
| ?> |