print_continue("view.php?id={$cm->id}");
} elseif ($action == 'listungradedstudentassessments') {
if (!has_capability('mod/exercise:assess', $context)) {
error("Only teachers can look at this page");
}
exercise_list_ungraded_assessments($exercise, "teacher");
print_continue("view.php?id={$cm->id}");
} elseif ($action == 'listteachersubmissions') {
exercise_list_teacher_submissions($exercise, $USER);
print_continue("view.php?id={$cm->id}");
} elseif ($action == 'regradestudentassessments') {
if (!has_capability('mod/exercise:assess', $context)) {
error("Only teachers can look at this page");
}
// get all the student assessments
if ($assessments = exercise_get_teacher_submission_assessments($exercise)) {
foreach ($assessments as $studentassessment) {
if ($studentassessment->timegraded > 0) {
if (!($submissions = get_records_select("exercise_submissions", "userid = {$studentassessment->userid} AND exerciseid = {$exercise->id}", "timecreated ASC"))) {
error("Regrade student assessments: student submission not found");
}
foreach ($submissions as $submission) {
// only the first one is relavant
if (!($teacherassessments = get_records("exercise_assessments", "submissionid", $submission->id, "timecreated ASC"))) {
error("Regrade student assessments: teacher assessment(s) not found");
}
foreach ($teacherassessments as $teacherassessment) {
// only the first one is relavent
$newgrade = exercise_compare_assessments($exercise, $studentassessment, $teacherassessment);
set_field("exercise_assessments", "gradinggrade", $newgrade, "id", $studentassessment->id);
break;
function exercise_grades($exerciseid)
{
/// Must return an array of grades, indexed by user, and a max grade.
if (!($exercise = get_record("exercise", "id", $exerciseid))) {
error("Exercise record not found");
}
if (!($course = get_record("course", "id", $exercise->course))) {
error("Course is misconfigured");
}
if (!($return->maxgrade = $exercise->grade + $exercise->gradinggrade)) {
return NULL;
}
// how to handle multiple submissions?
if ($exercise->usemaximum) {
if ($bestgrades = exercise_get_best_submission_grades($exercise)) {
foreach ($bestgrades as $grade) {
$usergrade[$grade->userid] = $grade->grade * $exercise->grade / 100.0;
}
}
} else {
// use mean values
if ($meangrades = exercise_get_mean_submission_grades($exercise)) {
foreach ($meangrades as $grade) {
$usergrade[$grade->userid] = $grade->grade * $exercise->grade / 100.0;
}
}
}
// now get the users grading grades
if ($assessments = exercise_get_teacher_submission_assessments($exercise)) {
foreach ($assessments as $assessment) {
// add the grading grade if the student's work has been assessed
if (isset($usergrade[$assessment->userid])) {
$usergrade[$assessment->userid] += $assessment->gradinggrade * $exercise->gradinggrade / 100.0;
}
}
}
// tidy the numbers and set up the return array
if (isset($usergrade)) {
foreach ($usergrade as $userid => $g) {
$return->grades[$userid] = number_format($g, 1);
}
}
return $return;
}
