moodle/course/importstudents.php

142 lines
4.6 KiB
PHP

<?php
// script to assign students to a meta course by selecting which courses the meta course comprises.
// this is basically a hack of student.php that uses courses instead.
require_once("../config.php");
require_once("lib.php");
define("MAX_COURSES_PER_PAGE", 1000);
require_variable($id); // course id
optional_variable($add, "");
optional_variable($remove, "");
optional_variable($search, ""); // search string
if (! $site = get_site()) {
redirect("$CFG->wwwroot/$CFG->admin/index.php");
}
if (! $course = get_record("course", "id", $id)) {
error("Course ID was incorrect (can't find it)");
}
require_login($course->id);
if (!$course->metacourse) {
redirect("$CFG->wwwroot/course/student.php?id=$course->id");
}
if (!isadmin()) {
error("You must be an admin");
}
$strassigncourses = get_string('metaassigncourses');
$stralreadycourses = get_string('metaalreadycourses');
$strnoalreadycourses = get_string('metanoalreadycourses');
$strpotentialcourses = get_string('metapotentialcourses');
$strnopotentialcourses = get_string('metanopotentialcourses');
$straddcourses = get_string('metaaddcourse');
$strremovecourse = get_string('metaremovecourse');
$strsearch = get_string("search");
$strsearchresults = get_string("searchresults");
$strcourses = get_string("courses");
$strshowall = get_string("showall");
print_header("$course->shortname: $strassigncourses",
"$site->fullname",
"<a href=\"view.php?id=$course->id\">$course->shortname</a> -> $strassigncourses",
"studentform.searchtext");
/// Don't allow restricted teachers to even see this page (because it contains
/// a lot of email addresses and access to all student on the server
check_for_restricted_user($USER->username, "$CFG->wwwroot/course/view.php?id=$course->id");
/// Print a help notice about the need to use this page
if (!$frm = data_submitted()) {
$note = get_string("importmetacoursenote");
print_simple_box($note, "center", "50%");
/// A form was submitted so process the input
} else {
if (!empty($frm->add) and !empty($frm->addselect) and confirm_sesskey()) {
$timestart = $timeend = 0;
foreach ($frm->addselect as $addcourse) {
if (!add_to_metacourse($course->id,$addcourse)) {
error("Could not add the selected course to this meta course!");
}
}
} else if (!empty($frm->remove) and !empty($frm->removeselect) and confirm_sesskey()) {
foreach ($frm->removeselect as $removecourse) {
if (! remove_from_metacourse($course->id,$removecourse)) {
error("Could not remove the selected course to this meta course!");
}
}
} else if (!empty($frm->showall) and confirm_sesskey()) {
unset($frm->searchtext);
$frm->previoussearch = 0;
}
}
$previoussearch = (is_object($frm) && ((!empty($frm->search) or ($frm->previoussearch == 1)))) ;
/// Get all existing students and teachers for this course.
if(! $alreadycourses = get_courses_in_metacourse($course->id)) {
$alreadycourses = array();
}
$numcourses = 0;
/// Get search results excluding any users already in this course
if (!empty($frm->searchtext) and $previoussearch and confirm_sesskey()) {
$searchcourses = get_courses_search(explode(" ",$frm->searchtext),'fullname ASC',0,99999,$numcourses);
foreach ($searchcourses as $tmp) {
if (array_key_exists($tmp->id,$alreadycourses)) {
unset($searchcourses[$tmp->id]);
}
if (!empty($tmp->metacourse)) {
unset($searchcourses[$tmp->id]);
}
}
if (array_key_exists($course->id,$searchcourses)) {
unset($searchcourses[$course->id]);
}
$numcourses = count($searchcourses);
}
/// If no search results then get potential students for this course excluding users already in course
if (empty($searchcourses)) {
$numcourses = get_courses_notin_metacourse($course->id,true);
$courses = array();
if ($numcourses <= MAX_COURSES_PER_PAGE) {
$courses = get_courses_notin_metacourse($course->id);
}
}
$searchtext = (isset($frm->searchtext)) ? $frm->searchtext : "";
$previoussearch = ($previoussearch) ? '1' : '0';
print_simple_box_start("center");
include('importstudents.html');
print_simple_box_end();
print_footer();
?>