From 2f60b31e9023d4b7a3156158eb8a4a9a363b365a Mon Sep 17 00:00:00 2001
From: toyomoyo <toyomoyo>
Date: Wed, 28 Nov 2007 07:53:44 +0000
Subject: [PATCH] MDL-10263, enable forum search for multiple groups

---
 mod/forum/lib.php | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/mod/forum/lib.php b/mod/forum/lib.php
index 0e37bf503f..ea277a04ce 100644
--- a/mod/forum/lib.php
+++ b/mod/forum/lib.php
@@ -1417,8 +1417,15 @@ function forum_get_readable_forums($userid, $courseid=0) {
                                 ORDER BY f.name ASC";
 
         if ($forums = get_records_sql($selectforums)) {
-
-            $group = groups_get_all_groups($course->id, $userid);
+ 
+            $groups = array();
+            if ($group = groups_get_all_groups($course->id, $userid)) {          
+                foreach($group as $grp) {
+                    if (isset($grp->id)) {
+                        $groups[] = $grp->id;
+                    }
+                }
+            }
 
             foreach ($forums as $forum) {
                 $forumcontext = get_context_instance(CONTEXT_MODULE, $forum->cmid);
@@ -1439,7 +1446,7 @@ function forum_get_readable_forums($userid, $courseid=0) {
                     if ($forum->cmgroupmode == SEPARATEGROUPS
                             && !has_capability('moodle/site:accessallgroups', $forumcontext)) {
                         $forum->accessallgroups = false;
-                        $forum->accessgroup = $group->id;  // The user can only access
+                        $forum->accessgroup = $groups;  // The user can only access
                                                            // discussions for this group.
                     } else {
                         $forum->accessallgroups = true;
@@ -1521,7 +1528,8 @@ function forum_search_posts($searchterms, $courseid=0, $limitfrom=0, $limitnum=5
         }
         if (!$forums[$i]->accessallgroups) {
             if (!empty($forums[$i]->accessgroup)) {
-                $selectdiscussion .= " AND (d.groupid = {$forums[$i]->accessgroup}";
+                $groups = rtrim(implode(",", $forums[$i]->accessgroup),",");
+                $selectdiscussion .= " AND (d.groupid in ($groups)"; 
                 $selectdiscussion .= ' OR d.groupid = -1)';  // -1 means open for all groups.
             } else {
                 // User isn't in any group. Only search discussions that are
-- 
2.39.5