wwwroot/$CFG->admin/index.php");
}
require_login();
if (!iscreator()) {
error("You must be an administrator or course creator to use this page.");
}
$stradministration = get_string("administration");
$strassignstudents = "Assign students";
$strexistingstudents = "Existing students";
$strnoexistingstudents = "No existing students";
$strpotentialstudents = "Potential students";
$strnopotentialstudents = "No potential students";
$straddstudent = "Add student";
$strremovestudent = "Remove student";
$strsearch = get_string("search");
$strsearchresults = get_string("searchresults");
$strsearchagain = get_string("searchagain");
$strtoomanytoshow = get_string("toomanytoshow");
if ($search) {
$searchstring = $strsearchagain;
} else {
$searchstring = $strsearch;
}
if (!$id) {
print_header("$site->shortname: $strassignstudents", "$site->fullname",
"$stradministration -> $strassignstudents");
$isadmin = isadmin(); /// cache value
$courses = get_courses();
print_heading(get_string("choosecourse"));
print_simple_box_start("center");
if (!empty($courses)) {
foreach ($courses as $course) {
if ($isadmin or isteacher($course->id, $USER->id)){
echo "id\">$course->fullname ($course->shortname)
\n";
$coursesfound = TRUE;
}
}
}
print_simple_box_end();
if ($coursesfound == FALSE) {
print_heading(get_string("nocoursesyet"));
print_continue("../$CFG->admin/index.php");
}
print_footer();
exit;
}
if (! $course = get_record("course", "id", $id)) {
error("Course ID was incorrect (can't find it)");
}
print_header("$site->shortname: $course->shortname: $strassignstudents",
"$site->fullname",
"$stradministration ->
$strassignstudents -> $course->shortname", "");
print_heading("wwwroot/course/view.php?id=$course->id\">$course->fullname ($course->shortname)");
/// Get all existing students for this course.
$students = get_course_students($course->id);
/// Add a student if one is specified
if (!empty($add)) {
if (!isteacher($course->id)){
error("You must be an administrator or teacher to modify this course.");
}
if (! $user = get_record("user", "id", $add)) {
error("That student (id = $add) doesn't exist", "students.php?id=$course->id");
}
if (!empty($students)) {
foreach ($students as $ss) {
if ($ss->id == $user->id) {
error("That user is already a student for this course.", "students.php?id=$course->id");
}
}
}
$student->userid = $user->id;
$student->course = $course->id;
$student->id = insert_record("user_students", $student);
if (empty($student->id)) {
error("Could not add that student to this course!");
}
$students[] = $user;
}
/// Remove a student if one is specified.
if (!empty($remove)) {
if (!isteacher($course->id)){
error("You must be an administrator or teacher to modify this course.");
}
if (! $user = get_record("user", "id", $remove)) {
error("That student (id = $remove) doesn't exist", "students.php?id=$course->id");
}
if (!empty($students)) {
foreach ($students as $key => $ss) {
if ($ss->id == $user->id) {
unenrol_student($user->id, $course->id);
unset($students[$key]);
}
}
}
}
/// Print the lists of existing and potential students
echo "
$strexistingstudents | $strpotentialstudents |
---|---|
";
/// First, show existing students for this course
if (empty($students)) {
echo " $strnoexistingstudents"; $studentlist = ""; } else { $studentarray = array(); foreach ($students as $student) { $studentarray[] = $student->id; echo " $student->firstname $student->lastname, $student->email id&remove=$student->id\" title=\"$strremovestudent\"> "; } $studentlist = implode(",",$studentarray); unset($studentarray); } echo " | ";
/// Print list of potential students
$usercount = get_users(false, $search, true, $studentlist);
if ($usercount == 0) {
echo " $strnopotentialstudents "; } else if ($usercount > MAX_USERS_PER_PAGE) { echo "$strtoomanytoshow "; } else { if ($search) { echo "($strsearchresults : $search) "; } if (!$users = get_users(true, $search, true, $studentlist)) { error("Could not get users!"); } foreach ($users as $user) { echo "id&add=$user->id\"". "title=\"$straddstudent\"> $user->firstname $user->lastname, $user->email"; } } if ($search or $usercount > MAX_USERS_PER_PAGE) { echo " "; } echo " |