Commit ff20fd6c authored by ryan's avatar ryan

Category union and intersection query vars. fixes #4750

git-svn-id: http://svn.automattic.com/wordpress/trunk@5873 1a063a9b-81f0-0310-95a4-ce76da25c4cd
parent 8b205f4e
......@@ -3,7 +3,7 @@
class WP {
var $public_query_vars = array('m', 'p', 'posts', 'w', 'cat', 'withcomments', 'withoutcomments', 's', 'search', 'exact', 'sentence', 'debug', 'calendar', 'page', 'paged', 'more', 'tb', 'pb', 'author', 'order', 'orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'tag', 'feed', 'author_name', 'static', 'pagename', 'page_id', 'error', 'comments_popup', 'attachment', 'attachment_id', 'subpost', 'subpost_id', 'preview', 'robots');
var $private_query_vars = array('offset', 'posts_per_page', 'posts_per_archive_page', 'what_to_show', 'showposts', 'nopaging', 'post_type', 'post_status');
var $private_query_vars = array('offset', 'posts_per_page', 'posts_per_archive_page', 'what_to_show', 'showposts', 'nopaging', 'post_type', 'post_status', 'category__in', 'category__not_in', 'category__and');
var $extra_query_vars = array();
var $query_vars;
......@@ -17,6 +17,10 @@ class WP {
$this->public_query_vars[] = $qv;
}
function set_query_var($key, $value) {
$this->query_vars[$key] = $value;
}
function parse_request($extra_query_vars = '') {
global $wp_rewrite;
......
......@@ -413,6 +413,12 @@ class WP_Query {
$array[$key] = '';
}
$array_keys = array('category__in', 'category__not_in', 'category__and');
foreach ( $array_keys as $key ) {
if ( !isset($array[$key]))
$array[$key] = array();
}
return $array;
}
......@@ -548,6 +554,26 @@ class WP_Query {
$this->is_category = true;
}
if ( !is_array($qv['category__in']) || empty($qv['category__in']) ) {
$qv['category__in'] = array();
} else {
$qv['category__in'] = array_map('intval', $qv['category__in']);
$this->is_category = true;
}
if ( !is_array($qv['category___not_in']) || empty($qv['category__not_in']) ) {
$qv['category__not_in'] = array();
} else {
$qv['category__not_in'] = array_map('intval', $qv['category__not_in']);
}
if ( !is_array($qv['category__and']) || empty($qv['category__and']) ) {
$qv['category__and'] = array();
} else {
$qv['category__and'] = array_map('intval', $qv['category__and']);
$this->is_category = true;
}
if ( '' != $qv['tag'] )
$this->is_tag = true;
......@@ -842,37 +868,47 @@ class WP_Query {
} else {
$q['cat'] = ''.urldecode($q['cat']).'';
$q['cat'] = addslashes_gpc($q['cat']);
$join = " LEFT JOIN $wpdb->term_relationships ON ($wpdb->posts.ID = $wpdb->term_relationships.object_id) LEFT JOIN $wpdb->term_taxonomy ON ($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id) ";
$cat_array = preg_split('/[,\s]+/', $q['cat']);
$in_cats = $out_cats = array();
$include_cats = $exclude_cats = '';
foreach ( $cat_array as $cat ) {
$cat = intval($cat);
$in = ($cat > 0);
$cat = abs($cat);
if ( $in ) {
$in_cats[] = $cat;
$in_cats = array_merge($in_cats, get_term_children($cat, 'category'));
$q['category__in'][] = $cat;
$q['category__in'] = array_merge($q['category__in'], get_term_children($cat, 'category'));
} else {
$out_cats[] = $cat;
$out_cats = array_merge($out_cats, get_term_children($cat, 'category'));
$q['category__not_in'][] = $cat;
$q['category__not_in'] = array_merge($q['category__not_in'], get_term_children($cat, 'category'));
}
}
if ( ! empty($in_cats) ) {
$include_cats = "'" . implode("', '", $in_cats) . "'";
$include_cats = " AND $wpdb->term_taxonomy.term_id IN ($include_cats) ";
}
if ( !empty($q['category__in']) || !empty($q['category__not_in']) || !empty($q['category__and']) ) {
$groupby = "{$wpdb->posts}.ID";
}
if ( !empty($q['category__in']) ) {
$join = " LEFT JOIN $wpdb->term_relationships ON ($wpdb->posts.ID = $wpdb->term_relationships.object_id) LEFT JOIN $wpdb->term_taxonomy ON ($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id) ";
$whichcat .= " AND $wpdb->term_taxonomy.taxonomy = 'category' ";
$include_cats = "'" . implode("', '", $q['category__in']) . "'";
$whichcat .= " AND $wpdb->term_taxonomy.term_id IN ($include_cats) ";
}
if ( !empty($q['category__not_in']) ) {
$ids = get_objects_in_term($q['category__not_in'], 'category');
if ( is_array($ids) && count($ids > 0) ) {
$out_posts = "'" . implode("', '", $ids) . "'";
$whichcat .= " AND $wpdb->posts.ID NOT IN ($out_posts)";
}
}
if ( !empty($out_cats) ) {
$ids = get_objects_in_term($out_cats, 'category');
if ( is_array($ids) && count($ids > 0) ) {
$out_posts = "'" . implode("', '", $ids) . "'";
$exclude_cats = " AND $wpdb->posts.ID NOT IN ($out_posts)";
}
if ( !empty($q['category__and']) ) {
$count = 0;
foreach ( $q['category__and'] as $category_and ) {
$join .= " LEFT JOIN $wpdb->term_relationships AS tr$count ON ($wpdb->posts.ID = tr$count.object_id) LEFT JOIN $wpdb->term_taxonomy AS tt$count ON (tr$count.term_taxonomy_id = tt$count.term_taxonomy_id) ";
$whichcat .= " AND tt$count.term_id = '$category_and' ";
$count++;
}
$whichcat = " AND $wpdb->term_taxonomy.taxonomy = 'category' ";
$whichcat .= $include_cats . $exclude_cats;
$groupby = "{$wpdb->posts}.ID";
}
if ( '' != $q['tag'] ) {
......
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