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142 lines
4.5 KiB
PHP
142 lines
4.5 KiB
PHP
<?PHP // $Id$
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// Script to assign students to courses
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require_once("../config.php");
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define("MAX_USERS_PER_PAGE", 30);
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require_variable($id); // course id
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optional_variable($add, "");
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optional_variable($remove, "");
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optional_variable($search, ""); // search string
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if (! $site = get_site()) {
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redirect("$CFG->wwwroot/$CFG->admin/index.php");
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}
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if (! $course = get_record("course", "id", $id)) {
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error("Course ID was incorrect (can't find it)");
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}
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require_login($course->id);
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if (!isteacheredit($course->id)) {
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error("You must be able to edit this course to assign students");
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}
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$strassignstudents = get_string("assignstudents");
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$strexistingstudents = get_string("existingstudents");
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$strnoexistingstudents = get_string("noexistingstudents");
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$strpotentialstudents = get_string("potentialstudents");
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$strnopotentialstudents = get_string("nopotentialstudents");
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$straddstudent = get_string("addstudent");
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$strremovestudent = get_string("removestudent");
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$strsearch = get_string("search");
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$strsearchresults = get_string("searchresults");
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$strsearchagain = get_string("searchagain");
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$strtoomanytoshow = get_string("toomanytoshow");
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if ($search) {
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$searchstring = $strsearchagain;
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} else {
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$searchstring = $strsearch;
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}
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print_header("$course->shortname: $strassignstudents",
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"$site->fullname",
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"<a href=\"view.php?id=$course->id\">$course->shortname</a> -> $strassignstudents", "");
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/// Add a student if one is specified
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if (!empty($add)) {
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if (! enrol_student($add, $course->id)) {
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error("Could not add that student to this course!");
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}
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}
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/// Remove a student if one is specified.
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if (!empty($remove)) {
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if (! unenrol_student($remove, $course->id)) {
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error("Could not add that student to this course!");
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}
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}
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/// Print a help notice about the need to use this page
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if (empty($add) and empty($remove)) {
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$note = get_string("assignstudentsnote");
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if ($course->password) {
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$note .= "<p>".get_string("assignstudentspass", "", $course->password);
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}
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print_simple_box($note, "center", "50%");
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}
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/// Get all existing students for this course.
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$students = get_course_students($course->id);
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/// Print the lists of existing and potential students
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echo "<table cellpadding=2 cellspacing=10 align=center>";
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echo "<tr><th width=50%>$strexistingstudents</th><th width=50%>$strpotentialstudents</th></tr>";
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echo "<tr><td width=50% nowrap valign=top>";
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/// First, show existing students for this course
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if (empty($students)) {
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echo "<p align=center>$strnoexistingstudents</a>";
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$studentlist = "";
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} else {
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$studentarray = array();
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foreach ($students as $student) {
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$studentarray[] = $student->id;
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echo "<p align=right>$student->firstname $student->lastname, $student->email <a href=\"student.php?id=$course->id&remove=$student->id\" title=\"$strremovestudent\"><img src=\"../pix/t/right.gif\" border=0></a></p>";
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}
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$studentlist = implode(",",$studentarray);
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unset($studentarray);
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}
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echo "<td width=50% nowrap valign=top>";
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/// Print list of potential students
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$usercount = get_users(false, $search, true, $studentlist);
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if ($usercount == 0) {
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echo "<p align=center>$strnopotentialstudents</p>";
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} else if ($usercount > MAX_USERS_PER_PAGE) {
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echo "<p align=center>$strtoomanytoshow</p>";
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} else {
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if ($search) {
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echo "<p align=center>($strsearchresults : $search)</p>";
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}
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if (!$users = get_users(true, $search, true, $studentlist)) {
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error("Could not get users!");
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}
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foreach ($users as $user) {
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echo "<p align=left><a href=\"{$_SERVER['PHP_SELF']}?id=$course->id&add=$user->id\"".
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"title=\"$straddstudent\"><img src=\"../pix/t/left.gif\"".
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"border=0></a> $user->firstname $user->lastname, $user->email";
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}
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}
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if ($search or $usercount > MAX_USERS_PER_PAGE) {
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echo "<form action={$_SERVER['PHP_SELF']} method=post>";
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echo "<input type=hidden name=id value=\"$course->id\">";
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echo "<input type=text name=search size=20>";
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echo "<input type=submit value=\"$searchstring\">";
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echo "</form>";
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}
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echo "</tr></table>";
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print_footer();
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?>
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