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Very rough initial commit of taxonomy for everyone's hacking pleasure. There be dragons. see #4189

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git-svn-id: http://svn.automattic.com/wordpress/trunk@5510 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
ryan
2007-05-22 05:12:38 +00:00
parent 3ed5b0a01e
commit 634a33c206
8 changed files with 214 additions and 122 deletions
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73
wp-includes/post.php
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@@ -459,10 +459,8 @@ function wp_get_post_tags( $post_id = 0 ) {
$post_id = (int) $post_id;
if ( !isset( $tag_cache[$blog_id][$post_id] ) )
update_post_category_cache( $post_id ); // loads $tag_cache
return $tag_cache[$blog_id][$post_id];
$tags = get_object_terms($post_id, 'post_tag');
return $tags;
}
function wp_get_recent_posts($num = 10) {
@@ -792,76 +790,11 @@ function wp_set_post_tags( $post_id = 0, $tags = '', $append = false ) {
if ( !$post_id )
return false;
// prevent warnings for unintialized variables
$tag_ids = array();
if ( empty($tags) )
$tags = array();
$tags = (is_array($tags)) ? $tags : explode( ',', $tags );
foreach ( $tags as $tag ) {
$tag = trim( $tag );
if ( !$tag_slug = sanitize_title( $tag ) )
continue; // discard
if ( !$tag_id = tag_exists( $tag ) )
$tag_id = wp_create_tag( $tag );
$tag_ids[] = $tag_id;
}
if ( empty($tag_ids) && ( !empty($tags) || $append ) )
return false;
$tag_ids = array_unique( $tag_ids );
// First the old tags
$old_tags = $wpdb->get_col("
SELECT category_id
FROM $wpdb->post2cat
WHERE post_id = '$post_id' AND rel_type = 'tag'");
if ( !$old_tags ) {
$old_tags = array();
} else {
$old_tags = array_unique( $old_tags );
}
// Delete any?
$delete_tags = array_diff( $old_tags, $tag_ids);
if ( $delete_tags && !$append ) {
foreach ( $delete_tags as $del ) {
$wpdb->query("
DELETE FROM $wpdb->post2cat
WHERE category_id = '$del'
AND post_id = '$post_id'
AND rel_type = 'tag'
");
}
}
// Add any?
$add_tags = array_diff( $tag_ids, $old_tags );
if ( $add_tags ) {
foreach ( $add_tags as $new_tag ) {
$new_tag = (int) $new_tag;
if ( !empty($new_tag) )
$wpdb->query("
INSERT INTO $wpdb->post2cat (post_id, category_id, rel_type)
VALUES ('$post_id', '$new_tag', 'tag')");
}
}
// Update category counts.
$all_affected_tags = array_unique( array_merge( $tag_ids, $old_tags ) );
foreach ( $all_affected_tags as $tag_id ) {
$count = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->post2cat, $wpdb->posts WHERE $wpdb->posts.ID=$wpdb->post2cat.post_id AND post_status = 'publish' AND post_type = 'post' AND category_id = '$tag_id' AND rel_type = 'tag'" );
$wpdb->query( "UPDATE $wpdb->categories SET tag_count = '$count', type = type | " . TAXONOMY_TAG . " WHERE cat_ID = '$tag_id'" );
if ( $count == 0 )
$wpdb->query( "UPDATE $wpdb->categories SET type = type & ~". TAXONOMY_TAG . " WHERE cat_ID = '$tag_id'" );
clean_category_cache( $tag_id );
do_action( 'edit_category', $tag_id );
do_action( 'edit_tag', $tag_id );
}
add_term_relationship($tags, $post_id, 'post_tag');
}
function wp_set_post_categories($post_ID = 0, $post_categories = array()) {