Ticket #10012: custom_taxonomy_export.patch

wp-admin/includes/export.php

@@ -24 +24 @@
  * @param unknown_type $author
  */
 function export_wp($author='') {
-global $wpdb, $post_ids, $post;
+global $wpdb, $post_ids, $post, $wp_taxonomies;
 
 do_action('export_wp');
 
@@ -46 +46 @@
 $categories = (array) get_categories('get=all');
 $tags = (array) get_tags('get=all');
 
+$custom_taxonomies = $wp_taxonomies;
+unset($custom_taxonomies['category']);
+unset($custom_taxonomies['post_tag']);
+unset($custom_taxonomies['link_category']);
+$custom_taxonomies = array_keys($custom_taxonomies);
+$terms = (array) get_terms($custom_taxonomies, 'get=all');
+
 /**
  * {@internal Missing Short Description}}
  *
@@ -186 +193 @@
  * {@internal Missing Short Description}}
  *
  * @since unknown
+ *
+ * @param object $t Term Object
  */
+function wxr_term_name($t) {
+        if ( empty($t->name) )
+                return;
+
+        echo '<wp:term_name>' . wxr_cdata($t->name) . '</wp:term_name>';
+}
+
+/**
+ * {@internal Missing Short Description}}
+ *
+ * @since unknown
+ *
+ * @param object $t Term Object
+ */
+function wxr_term_description($t) {
+        if ( empty($t->description) )
+                return;
+
+        echo '<wp:term_description>' . wxr_cdata($t->description) . '</wp:term_description>';
+}
+
+/**
+ * {@internal Missing Short Description}}
+ *
+ * @since unknown
+ */
 function wxr_post_taxonomy() {
         $categories = get_the_category();
         $tags = get_the_tags();
@@ -256 +291 @@
 <?php if ( $tags ) : foreach ( $tags as $t ) : ?>
         <wp:tag><wp:tag_slug><?php echo $t->slug; ?></wp:tag_slug><?php wxr_tag_name($t); ?><?php wxr_tag_description($t); ?></wp:tag>
 <?php endforeach; endif; ?>
+<?php if ( $terms ) : foreach ( $terms as $t ) : ?>
+        <wp:term><wp:term_taxonomy><?php echo $t->taxonomy; ?></wp:term_taxonomy><wp:term_slug><?php echo $t->slug; ?></wp:term_slug><wp:term_parent><?php echo $t->parent ? $custom_taxonomies[$t->parent]->name : ''; ?></wp:term_parent><?php wxr_term_name($t); ?><?php wxr_term_description($t); ?></wp:term>
+<?php endforeach; endif; ?>
         <?php do_action('rss2_head'); ?>
         <?php if ($post_ids) {
                 global $wp_query;

wp-admin/import/wordpress.php

@@ -27 +27 @@
         var $author_ids = array ();
         var $tags = array ();
         var $categories = array ();
+        var $terms = array ();
 
         var $j = -1;
         var $fetch_attachments = false;
@@ -122 +123 @@
                                         $this->tags[] = $tag[1];
                                         continue;
                                 }
+                                if ( false !== strpos($importline, '<wp:term>') ) {
+                                        preg_match('|<wp:term>(.*?)</wp:term>|is', $importline, $term);
+                                        $this->terms[] = $term[1];
+                                        continue;
+                                }
                                 if ( false !== strpos($importline, '<item>') ) {
                                         $this->post = '';
                                         $doing_entry = true;
@@ -337 +343 @@
                         $tag_ID = wp_insert_term($tag_name, 'post_tag', $tagarr);
                 }
         }
+        
+        function process_terms() {
+                global $wpdb, $wp_taxonomies;
+                
+                $custom_taxonomies = $wp_taxonomies;
+                // get rid of the standard taxonomies
+                unset( $custom_taxonomies['category'] );
+                unset( $custom_taxonomies['post_tag'] );
+                unset( $custom_taxonomies['link_category'] );
+                
+                $custom_taxonomies = array_keys( $custom_taxonomies );
+                $current_terms = (array) get_terms( $custom_taxonomies, 'get=all' );
+                $taxonomies = array();
+                foreach ( $current_terms as $term ) {
+                        if ( isset( $_terms[$term->taxonomy] ) ) {
+                                $taxonomies[$term->taxonomy] = array_merge( $taxonomies[$term->taxonomy], array($term->name) );
+                        } else {
+                                $taxonomies[$term->taxonomy] = array($term->name);
+                        }
+                }
 
+                while ( $c = array_shift($this->terms) ) {
+                        $term_name = trim($this->get_tag( $c, 'wp:term_name' ));
+                        $term_taxonomy = trim($this->get_tag( $c, 'wp:term_taxonomy' ));
+
+                        // If the term exists in the taxonomy we leave it alone
+                        if ( isset($taxonomies[$term_taxonomy] ) && in_array( $term_name, $taxonomies[$term_taxonomy] ) )
+                                continue;
+
+                        $slug = $this->get_tag( $c, 'wp:term_slug' );
+                        $description = $this->get_tag( $c, 'wp:term_description' );
+
+                        $termarr = compact('slug', 'description');
+
+                        $term_ID = wp_insert_term($term_name, $this->get_tag( $c, 'wp:term_taxonomy' ), $termarr);
+                }
+        }
+
         function process_author($post) {
                 $author = $this->get_tag( $post, 'dc:creator' );
                 if ($author)
@@ -748 +791 @@
                 $this->get_entries();
                 $this->process_categories();
                 $this->process_tags();
+                $this->process_terms();
                 $result = $this->process_posts();
                 wp_suspend_cache_invalidation(false);
                 $this->backfill_parents();