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<?PHP // $Id: submissions.php,v 1.31 2004/08/21 20:20:53 gustav_delius Exp $
require_once("../../config.php");
require_once("lib.php");
require_variable($id); // Assignment
optional_variable($sort, "timemodified");
optional_variable($dir, "DESC");
optional_variable($timenow, 0);
$timewas = $timenow;
$timenow = time();
if (! $assignment = get_record("assignment", "id", $id)) {
error("Course module is incorrect");
}
if (! $course = get_record("course", "id", $assignment->course)) {
error("Course is misconfigured");
}
if (! $cm = get_coursemodule_from_instance("assignment", $assignment->id, $course->id)) {
error("Course Module ID was incorrect");
}
require_login($course->id);
if (!isteacher($course->id)) {
error("Only teachers can look at this page");
}
$strassignments = get_string("modulenameplural", "assignment");
$strassignment = get_string("modulename", "assignment");
$strsubmissions = get_string("submissions", "assignment");
$strsaveallfeedback = get_string("saveallfeedback", "assignment");
print_header_simple($assignment->name, "",
"<a href=\"index.php?id=$course->id\">$strassignments</a> ->
<a href=\"view.php?a=$assignment->id\">$assignment->name</a> -> $strsubmissions",
"", "", true, update_module_button($cm->id, $course->id, $strassignment), navmenu($course, $cm));
/// Check to see if groups are being used in this assignment
if ($groupmode = groupmode($course, $cm)) { // Groups are being used
$currentgroup = setup_and_print_groups($course, $groupmode, "submissions.php?id=$assignment->id&sort=$sort&dir=$dir");
} else {
$currentgroup = false;
}
/// Get all teachers and students
$teachers = get_course_teachers($course->id);
if ($currentgroup) {
$users = get_group_users($currentgroup);
} else {
$users = get_course_students($course->id);
}
if (!$users) {
print_heading(get_string("nostudentsyet"));
print_footer($course);
exit;
}
/// Make some easy ways to reference submissions
if ($submissions = assignment_get_all_submissions($assignment, $sort, $dir)) {
foreach ($submissions as $submission) {
$submissionbyuser[$submission->userid] = $submission;
}
}
/// Get all existing submissions and check for missing ones
foreach($users as $user) {
if (!isset($submissionbyuser[$user->id])) { // Need to create empty entry
$newsubmission->assignment = $assignment->id;
$newsubmission->userid = $user->id;
$newsubmission->timecreated = time();
if (!insert_record("assignment_submissions", $newsubmission)) {
error("Could not insert a new empty submission");
}
}
}
if (isset($newsubmission)) { // Get them all out again to be sure
$submissions = assignment_get_all_submissions($assignment, $sort, $dir);
}
/// If data is being submitted, then process it
if ($data = data_submitted()) {
$feedback = array();
// Peel out all the data from variable names.
foreach ($data as $key => $val) {
if (!in_array($key, array("id", "timenow"))) {
$type = substr($key,0,1);
$num = substr($key,1);
$feedback[$num][$type] = $val;
}
}
$count = 0;
foreach ($feedback as $num => $vals) {
$submission = $submissions[$num];
// Only update entries where feedback has actually changed.
if (($vals['g'] <> $submission->grade) || ($vals['c'] <> addslashes($submission->comment))) {
unset($newsubmission);
$newsubmission->grade = $vals['g'];
$newsubmission->comment = $vals['c'];
$newsubmission->teacher = $USER->id;
$newsubmission->timemarked = $timenow;
$newsubmission->mailed = 0; // Make sure mail goes out (again, even)
$newsubmission->id = $num;
// Make sure that we aren't overwriting any recent feedback from other teachers. (see bug #324)
if ($timewas < $submission->timemarked && (!empty($submission->grade)) && (!empty($submission->comment))) {
notify(get_string("failedupdatefeedback", "assignment", fullname($users[$submission->userid]))
. "<br>" . get_string("grade") . ": $newsubmission->grade"
. "<br>" . get_string("feedback", "assignment") . ": $newsubmission->comment\n");
} else { //print out old feedback and grade
if (empty($submission->timemodified)) { // eg for offline assignments
$newsubmission->timemodified = $timenow;
}
if (! update_record("assignment_submissions", $newsubmission)) {
notify(get_string("failedupdatefeedback", "assignment", $submission->userid));
} else {
$count++;
}
}
}
}
$submissions = assignment_get_all_submissions($assignment,$sort, $dir);
add_to_log($course->id, "assignment", "update grades", "submissions.php?id=$assignment->id", "$count users", $cm->id);
notify(get_string("feedbackupdated", "assignment", $count));
} else {
add_to_log($course->id, "assignment", "view submission", "submissions.php?id=$assignment->id", "$assignment->id", $cm->id);
}
// Submission sorting
$sorttypes = array('firstname', 'lastname', 'timemodified', 'grade');
print_simple_box_start("center", "50%");
echo '<p align="center">'.get_string('order').': ';
foreach ($sorttypes as $sorttype) {
if ($sorttype == 'timemodified') {
$label = get_string("lastmodified");
} else {
$label = get_string($sorttype);
}
if ($sort == $sorttype) { // Current sort
$newdir = $dir == 'ASC' ? 'DESC' : 'ASC';
} else {
$newdir = 'ASC';
}
echo "<a href=\"submissions.php?id=$assignment->id&sort=$sorttype&dir=$newdir\">$label</a>";
if ($sort == $sorttype) { // Current sort
$diricon = $dir == 'ASC' ? 'down' : 'up';
echo " <img src=\"$CFG->pixpath/t/$diricon.gif\" />";
}
echo " ";
}
echo "</p>";
print_simple_box_end();
print_spacer(8,1);
$allowedtograde = ($groupmode != VISIBLEGROUPS or isteacheredit($course->id) or ismember($currentgroup));
if ($allowedtograde) {
echo '<form action="submissions.php" method="post">';
echo "<center>";
echo "<input type=hidden name=sort value=\"$sort\">";
echo "<input type=hidden name=timenow value=\"$timenow\">";
echo "<input type=hidden name=id value=\"$assignment->id\">";
echo "<input type=submit value=\"$strsaveallfeedback\">";
echo "</center>";
}
$grades = make_grades_menu($assignment->grade);
foreach ($submissions as $submission) {
if (isset($users[$submission->userid])) {
$user = $users[$submission->userid];
assignment_print_submission($assignment, $user, $submission, $teachers, $grades);
}
}
if ($allowedtograde) {
echo "<center>";
echo "<input type=hidden name=sort value=\"$sort\">";
echo "<input type=hidden name=timenow value=\"$timenow\">";
echo "<input type=hidden name=id value=\"$assignment->id\">";
echo "<input type=submit value=\"$strsaveallfeedback\">";
echo "</center>";
echo "</form>";
}
print_footer($course);
?>
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