From 15f93e462f4c8c07921cb85a3fd7d5d5bd53c556 Mon Sep 17 00:00:00 2001
From: skodak <skodak>
Date: Mon, 4 Dec 2006 08:53:21 +0000
Subject: [PATCH] MDL-7767 Guests should not be able to hide course sections -
 section hiding is not stored in db for guests, only session is used now

---
 course/lib.php     | 8 +++-----
 lib/db/upgrade.php | 6 ++++++
 version.php        | 2 +-
 3 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/course/lib.php b/course/lib.php
index 6f549244ebe..139eb92e592 100644
--- a/course/lib.php
+++ b/course/lib.php
@@ -1027,15 +1027,13 @@ function get_all_sections($courseid) {
 function course_set_display($courseid, $display=0) {
     global $USER;
 
-    if (empty($USER->id)) {
-        return false;
-    }
-
     if ($display == "all" or empty($display)) {
         $display = 0;
     }
 
-    if (record_exists("course_display", "userid", $USER->id, "course", $courseid)) {
+    if (empty($USER->id) or $USER->username == 'guest') {
+        //do not store settings in db for guests
+    } else if (record_exists("course_display", "userid", $USER->id, "course", $courseid)) {
         set_field("course_display", "display", $display, "userid", $USER->id, "course", $courseid);
     } else {
         $record->userid = $USER->id;
diff --git a/lib/db/upgrade.php b/lib/db/upgrade.php
index 7d822226991..224378f1e6d 100644
--- a/lib/db/upgrade.php
+++ b/lib/db/upgrade.php
@@ -56,6 +56,12 @@ function xmldb_main_upgrade($oldversion=0) {
         }
     }
 
+    if ($oldversion < 2006101008) {  /// Delete guest course section settings
+        if ($guest = get_record('user', 'username', 'guest')) {
+            execute_sql("DELETE FROM {$CFG->prefix}course_display where userid=$guest->id ;", true);
+        }
+    }
+
     return $result;
 }
 
diff --git a/version.php b/version.php
index 0bfe76a7f14..f0ffc879678 100644
--- a/version.php
+++ b/version.php
@@ -6,7 +6,7 @@
 // This is compared against the values stored in the database to determine
 // whether upgrades should be performed (see lib/db/*.php)
 
-   $version = 2006101007;  // YYYYMMDD   = date of the 1.7 branch (don't change)
+   $version = 2006101008;  // YYYYMMDD   = date of the 1.7 branch (don't change)
                            //         X  = release number 1.7.[0,1,2,3...]
                            //          Y = micro-increments between releases