1 files changed, 148 insertions, 0 deletions
diff --git a/wp-admin/includes/taxonomy.php b/wp-admin/includes/taxonomy.php
new file mode 100644
index 0000000..3f70f45
--- /dev/null
+++ b/wp-admin/includes/taxonomy.php
@@ -0,0 +1,148 @@
+<?php
+
+//
+// Category
+//
+
+function category_exists($cat_name) {
+	$id = is_term($cat_name, 'category');
+	if ( is_array($id) )
+		$id = $id['term_id'];
+	return $id;
+}
+
+function get_category_to_edit( $id ) {
+	$category = get_category( $id, OBJECT, 'edit' );
+	return $category;
+}
+
+function wp_create_category($cat_name) {
+	if ( $id = category_exists($cat_name) )
+		return $id;
+
+	return wp_insert_category( array('cat_name' => $cat_name) );
+}
+
+function wp_create_categories($categories, $post_id = '') {
+	$cat_ids = array ();
+	foreach ($categories as $category) {
+		if ($id = category_exists($category))
+			$cat_ids[] = $id;
+		else
+			if ($id = wp_create_category($category))
+				$cat_ids[] = $id;
+	}
+
+	if ($post_id)
+		wp_set_post_categories($post_id, $cat_ids);
+
+	return $cat_ids;
+}
+
+function wp_delete_category($cat_ID) {
+	global $wpdb;
+
+	$cat_ID = (int) $cat_ID;
+	$default = get_option('default_category');
+
+	// Don't delete the default cat
+	if ( $cat_ID == $default )
+		return 0;
+
+	return wp_delete_term($cat_ID, 'category', "default=$default");
+}
+
+function wp_insert_category($catarr) {
+	global $wpdb;
+
+	extract($catarr, EXTR_SKIP);
+
+	if ( trim( $cat_name ) == '' )
+		return 0;
+
+	$cat_ID = (int) $cat_ID;
+
+	// Are we updating or creating?
+	if ( !empty ($cat_ID) )
+		$update = true;
+	else
+		$update = false;
+
+	$name = $cat_name;
+	$description = $category_description;
+	$slug = $category_nicename;
+	$parent = $category_parent;
+
+	$parent = (int) $parent;
+	if ( empty($parent) || !category_exists( $parent ) || ($cat_ID && cat_is_ancestor_of($cat_ID, $parent) ) )
+		$parent = 0;
+
+	$args = compact('name', 'slug', 'parent', 'description');
+
+	if ( $update )
+		$cat_ID = wp_update_term($cat_ID, 'category', $args);
+	else
+		$cat_ID = wp_insert_term($cat_name, 'category', $args);
+
+	if ( is_wp_error($cat_ID) )
+		return 0;
+
+	return $cat_ID['term_id'];
+}
+
+function wp_update_category($catarr) {
+	global $wpdb;
+
+	$cat_ID = (int) $catarr['cat_ID'];
+
+	if ( $cat_ID == $catarr['category_parent'] )
+		return false;
+
+	// First, get all of the original fields
+	$category = get_category($cat_ID, ARRAY_A);
+
+	// Escape data pulled from DB.
+	$category = add_magic_quotes($category);
+
+	// Merge old and new fields with new fields overwriting old ones.
+	$catarr = array_merge($category, $catarr);
+
+	return wp_insert_category($catarr);
+}
+
+//
+// Tags
+//
+
+function get_tags_to_edit( $post_id ) {
+	global $wpdb;
+
+	$post_id = (int) $post_id;
+	if ( !$post_id )
+		return false;
+
+	$tags = wp_get_post_tags($post_id);
+
+	if ( !$tags )
+		return false;
+
+	foreach ( $tags as $tag )
+		$tag_names[] = $tag->name;
+	$tags_to_edit = join( ', ', $tag_names );
+	$tags_to_edit = attribute_escape( $tags_to_edit );
+	$tags_to_edit = apply_filters( 'tags_to_edit', $tags_to_edit );
+	return $tags_to_edit;
+}
+
+function tag_exists($tag_name) {
+	return is_term($tag_name, 'post_tag');
+}
+
+function wp_create_tag($tag_name) {
+	if ( $id = tag_exists($tag_name) )
+		return $id;
+
+	return wp_insert_term($tag_name, 'post_tag');
+}
+
+?>
+\ No newline at end of file