Wordpress 2.3.2

[autoinstalls/wordpress.git] / wp-admin / includes / taxonomy.php

diff --git a/wp-admin/includes/taxonomy.php b/wp-admin/includes/taxonomy.php
new file mode 100644 (file)
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');
+}
+
+?>
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