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MDL-32508 course/view.php: moderise with MUST_EXIST

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This commit is contained in:
Dan Poltawski 2012-04-22 10:57:41 +08:00
parent 3fe600aacf
commit 599a52fec7
1 changed files with 10 additions and 17 deletions
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27
course/view.php
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@ -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)) {
$params = array();
if (!empty($name)) {
$params = array('shortname' => $name);
} else if (!empty($idnumber)) {
$params = array('idnumber' => $idnumber);
} else if (!empty($id)) {
$params = array('id' => $id);
}else {
print_error('unspecifycourseid', 'error');
}
if (!empty($name)) {
if (! ($course = $DB->get_record('course', array('shortname'=>$name)))) {
print_error('invalidcoursenameshort', 'error');
}
} 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');
}
}
$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()) {