Wordpress 2.3.2

[autoinstalls/wordpress.git] / wp-admin / import / stp.php

diff --git a/wp-admin/import/stp.php b/wp-admin/import/stp.php
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+<?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&#8217;t be stupid - backup your database before proceeding!').'</strong></p>';
+               echo '<form action="admin.php?import=stp&amp;step=1" method="post">';
+               wp_nonce_field('import-stp');
+               echo '<p class="submit"><input type="submit" name="submit" value="'.__('Step 1 &raquo;').'" /></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&#8230;').'</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&amp;step=2" method="post">';
+               wp_nonce_field('import-stp');
+               echo '<p class="submit"><input type="submit" name="submit" value="'.__('Step 2 &raquo;').'" /></p>';
+               echo '</form>';
+               echo '</div>';
+       }
+
+
+       function import_t2p ( ) {
+               echo '<div class="narrow">';
+               echo '<p><h3>'.__('Adding Tags to Posts&#8230;').'</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&amp;step=3" method="post">';
+               wp_nonce_field('import-stp');
+               echo '<p class="submit"><input type="submit" name="submit" value="'.__('Step 3 &raquo;').'" /></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');
+               $this->done();
+       }
+
+       function done ( ) {
+               echo '<div class="narrow">';
+               echo '<p><h3>'.__('Import Complete!').'</h3></p>';
+               echo '<p>' . __('OK, so we lied about this being a 4-step program! You&#8217;re done!') . '</p>';
+               echo '<p>' . __('Now wasn&#8217;t that easy?') . '</p>';
+               echo '</div>';
+       }
+
+       function STP_Import ( ) {
+               // Nothing.
+       }
+}
+
+// create the import object
+$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'));
+?>
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