From 599a52fec7dabafc166908edf34621d7453603f7 Mon Sep 17 00:00:00 2001
From: Dan Poltawski <dan@moodle.com>
Date: Sun, 22 Apr 2012 10:57:41 +0800
Subject: [PATCH] MDL-32508 course/view.php: moderise with MUST_EXIST

---
 course/view.php | 27 ++++++++++-----------------
 1 file changed, 10 insertions(+), 17 deletions(-)

diff --git a/course/view.php b/course/view.php
index bc2fb37c758..7c39a1d2f4c 100644
--- a/course/view.php
+++ b/course/view.php
@@ -18,30 +18,23 @@
     $marker      = optional_param('marker',-1 , PARAM_INT);
     $switchrole  = optional_param('switchrole',-1, PARAM_INT);
 
-    if (empty($id) && empty($name) && empty($idnumber)) {
-        print_error('unspecifycourseid', 'error');
-    }
-
+    $params = array();
     if (!empty($name)) {
-        if (! ($course = $DB->get_record('course', array('shortname'=>$name)))) {
-            print_error('invalidcoursenameshort', 'error');
-        }
+        $params = array('shortname' => $name);
     } else if (!empty($idnumber)) {
-        if (! ($course = $DB->get_record('course', array('idnumber'=>$idnumber)))) {
-            print_error('invalidcourseid', 'error');
-        }
-    } else {
-        if (! ($course = $DB->get_record('course', array('id'=>$id)))) {
-            print_error('invalidcourseid', 'error');
-        }
+        $params = array('idnumber' => $idnumber);
+    } else if (!empty($id)) {
+        $params = array('id' => $id);
+    }else {
+        print_error('unspecifycourseid', 'error');
     }
 
+    $course = $DB->get_record('course', $params, '*', MUST_EXIST);
+
     $PAGE->set_url('/course/view.php', array('id' => $course->id)); // Defined here to avoid notices on errors etc
 
     preload_course_contexts($course->id);
-    if (!$context = get_context_instance(CONTEXT_COURSE, $course->id)) {
-        print_error('nocontext');
-    }
+    $context = context_course::instance($course->id, MUST_EXIST);
 
     // Remove any switched roles before checking login
     if ($switchrole == 0 && confirm_sesskey()) {
-- 
2.43.0