From 118c0f6d5c82934b3ae6b89197780430043451e3 Mon Sep 17 00:00:00 2001
From: toyomoyo <toyomoyo>
Date: Mon, 26 Feb 2007 02:35:00 +0000
Subject: [PATCH] merged, taking care of context_rel cache when moving courses
 across categories

---
 course/lib.php    |  2 ++
 lib/accesslib.php | 11 ++++++++---
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/course/lib.php b/course/lib.php
index c05b7fd87f..be47798914 100644
--- a/course/lib.php
+++ b/course/lib.php
@@ -2521,6 +2521,8 @@ function move_courses ($courseids, $categoryid) {
                     if (!update_record('course', $course)) {
                         notify("An error occurred - course not moved!");
                     }
+                    // parents changed (course category), do not delete child context relations
+                    insert_context_rel(get_context_instance(CONTEXT_COURSE, $course->id), false);
                 }
             }
             fix_course_sortorder();
diff --git a/lib/accesslib.php b/lib/accesslib.php
index 68cbc404b4..a04ca0d68e 100755
--- a/lib/accesslib.php
+++ b/lib/accesslib.php
@@ -3704,9 +3704,14 @@ function user_has_role_assignment($userid, $roleid, $contextid=0) {
 }
 
 // inserts all parental context and self into context_rel table
-function insert_context_rel($context) {
-    // removes old records  
-    delete_records('context_rel', 'c2', $context->id);
+/** @param object $context-context to be deleted
+ * @param bool deletechild - deltes child contexts dependencies
+ */
+function insert_context_rel($context, $deletechild=true) {
+    // removes all parents 
+    if ($deletechild) {
+        delete_records('context_rel', 'c2', $context->id);
+    }
     delete_records('context_rel', 'c1', $context->id);
     // insert all parents
     if ($parents = get_parent_contexts($context)) {
-- 
2.39.5