+
+
+function member_of($c) {
+
+ $r = q("SELECT `group`.`name`, `group`.`id` FROM `group` INNER JOIN `group_member` ON `group_member`.`gid` = `group`.`id` WHERE `group_member`.`contact-id` = %d AND `group`.`deleted` = 0 ORDER BY `group`.`name` ASC ",
+ intval($c)
+ );
+
+ return $r;
+
+}
+
+function groups_containing($uid,$c) {
+
+ $r = q("SELECT `gid` FROM `group_member` WHERE `uid` = %d AND `group_member`.`contact-id` = %d ",
+ intval($uid),
+ intval($c)
+ );
+
+ $ret = array();
+ if(count($r)) {
+ foreach($r as $rr)
+ $ret[] = $rr['gid'];
+ }
+
+ return $ret;
+}
+/**
+ * @brief count unread group items
+ *
+ * Count unread items of each groups
+ *
+ * @return array
+ * 'id' => group id
+ * 'name' => group name
+ * 'count' => counted unseen group items
+ *
+ */
+function groups_count_unseen() {
+
+ $r = q("SELECT `group`.`id`, `group`.`name`, COUNT(`item`.`id`) AS `count` FROM `group`, `group_member`, `item`
+ WHERE `group`.`uid` = %d
+ AND `item`.`uid` = %d
+ AND `item`.`unseen` AND `item`.`visible`
+ AND NOT `item`.`deleted`
+ AND `item`.`contact-id` = `group_member`.`contact-id`
+ AND `group_member`.`gid` = `group`.`id`
+ GROUP BY `group`.`id` ",
+ intval(local_user()),
+ intval(local_user())
+ );
+
+ return $r;
+}