From 8eceaca349e2701545565e8fa252b9b3f0e2cdfd Mon Sep 17 00:00:00 2001
From: ryan <ryan@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Tue, 18 Sep 2007 17:50:21 +0000
Subject: [PATCH] Import tags. see #4682

git-svn-id: http://svn.automattic.com/wordpress/trunk@6129 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-admin/import/wordpress.php | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/wp-admin/import/wordpress.php b/wp-admin/import/wordpress.php
index 4ed6e8dd13..df1b67bd06 100644
--- a/wp-admin/import/wordpress.php
+++ b/wp-admin/import/wordpress.php
@@ -88,6 +88,7 @@ class WP_Import {
 
 		$this->posts = array();
 		$this->categories = array();
+		$this->tags = array();
 		$num = 0;
 		$doing_entry = false;
 
@@ -101,6 +102,11 @@ class WP_Import {
 					$this->categories[] = $category[1];
 					continue;
 				}
+				if ( false !== strpos($importline, '<wp:tag>') ) {
+					preg_match('|<wp:tag>(.*?)</wp:tag>|is', $importline, $tag);
+					$this->tags[] = $tag[1];
+					continue;
+				}
 				if ( false !== strpos($importline, '<item>') ) {
 					$this->posts[$num] = '';
 					$doing_entry = true;
@@ -246,6 +252,27 @@ class WP_Import {
 		}
 	}
 
+	function process_tags() {
+		global $wpdb;
+
+		$tag_names = (array) get_terms('post_tag', 'fields=names');
+
+		while ( $c = array_shift($this->tags) ) {
+			$tag_name = trim($this->get_tag( $c, 'wp:tag_name' ));
+
+			// If the category exists we leave it alone
+			if ( in_array($tag_name, $tag_names) )
+				continue;
+
+			$slug = $this->get_tag( $c, 'wp:tag_slug' );
+			$description = $this->get_tag( $c, 'wp:tag_description' );
+
+			$tagarr = compact('slug', 'description');
+
+			$tag_ID = wp_insert_term($tag_name, 'post_tag', $tagarr);
+		}
+	}
+
 	function process_posts() {
 		$i = -1;
 		echo '<ol>';
@@ -391,6 +418,7 @@ class WP_Import {
 		$this->get_authors_from_post();
 		$this->get_entries();
 		$this->process_categories();
+		$this->process_tags();
 		$result = $this->process_posts();
 		if ( is_wp_error( $result ) )
 			return $result;