mirror of
https://github.com/moodle/moodle.git
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226 lines
7.7 KiB
PHP
226 lines
7.7 KiB
PHP
<?php // $Id$
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// Admin-only script to assign teachers to courses
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require_once("../config.php");
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define("MAX_USERS_PER_PAGE", 50);
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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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require_login();
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if (! $course = get_record("course", "id", $id)) {
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error("Course ID was incorrect (can't find it)");
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}
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if (!(isteacheredit($course->id) and iscreator()) and
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!(isteacheredit($course->id) and !empty($CFG->teacherassignteachers) ) ) {
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error("You must be an administrator or course creator to use this page.");
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}
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$strassignteachers = get_string("assignteachers");
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$strcourses = get_string("courses");
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$strteachers = get_string("teachers");
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$stradministration = get_string("administration");
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$strexistingteachers = get_string("existingteachers");
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$strnoexistingteachers = get_string("noexistingteachers");
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$strpotentialteachers = get_string("potentialteachers");
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$strnopotentialteachers = get_string("nopotentialteachers");
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$straddteacher = get_string("addteacher");
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$strremoveteacher = get_string("removeteacher");
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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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$strname = get_string("name");
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$strorder = get_string("order");
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$strrole = get_string("role");
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$stredit = get_string("editingteachershort");
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$stryes = get_string("yes");
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$strno = get_string("no");
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if ($search) {
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$searchstring = $strsearchagain;
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} else {
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$searchstring = $strsearch;
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}
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if ($course->teachers != $strteachers) {
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$parateachers = " ($course->teachers)";
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} else {
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$parateachers = "";
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}
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/// Print headers
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print_header("$course->shortname: $strassignteachers",
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"$course->fullname",
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"<a href=\"index.php\">$strcourses</a> -> ".
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"<a href=\"view.php?id=$course->id\">$course->shortname</a> -> ".
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"$strassignteachers", "");
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/// If data submitted, then process and store.
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if ($form = data_submitted() and confirm_sesskey()) {
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unset ($form->sesskey);
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$rank = array();
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// Peel out all the data from variable names.
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foreach ($form as $key => $val) {
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if ($key <> "id") {
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$type = substr($key,0,1);
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$num = substr($key,1);
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$rank[$num][$type] = $val;
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}
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}
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foreach ($rank as $num => $vals) {
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if (! $teacher = get_record("user_teachers", "course", "$course->id", "userid", "$num")) {
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error("No such teacher in course $course->shortname with user id $num");
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}
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$teacher->role = $vals['r'];
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$teacher->authority = $vals['a'];
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$teacher->editall = $vals['e'];
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if (!update_record("user_teachers", $teacher)) {
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error("Could not update teacher entry id = $teacher->id");
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}
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}
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redirect("teacher.php?id=$course->id", get_string("changessaved"));
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}
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/// Add a teacher if one is specified
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if (!empty($_GET['add']) and confirm_sesskey()) {
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if (! add_teacher($add, $course->id)) {
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error("Could not add that teacher to this course!");
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}
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}
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/// Remove a teacher if one is specified.
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if (!empty($_GET['remove']) and confirm_sesskey()) {
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if (! remove_teacher($remove, $course->id)) {
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error("Could not remove that teacher from this course!");
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}
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}
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/// Display all current teachers for this course.
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$teachers = get_course_teachers($course->id);
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print_heading_with_help("$strexistingteachers $parateachers", "teachers");
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if (empty($teachers)) {
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echo "<p align=\"center\">$strnoexistingteachers</a>";
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$teacherlist = "";
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} else {
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$table->head = array ("", $strname, $strorder, $strrole, $stredit, " ");
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$table->align = array ("right", "left", "center", "center", "center", "center");
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$table->size = array ("35", "", "", "", "10", "");
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$ordermenu = NULL;
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$ordermenu[0] = get_string("hide");
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for ($i=1; $i<=8; $i++) {
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$ordermenu[$i] = $i;
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}
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$editmenu = NULL;
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$editmenu[0] = $strno;
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$editmenu[1] = $stryes;
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$teacherarray = array();
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echo "<form action=\"teacher.php\" method=\"post\">";
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foreach ($teachers as $teacher) {
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$teacherarray[] = $teacher->id;
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$picture = print_user_picture($teacher->id, $course->id, $teacher->picture, false, true);
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$authority = choose_from_menu ($ordermenu, "a$teacher->id", $teacher->authority, "", "", "", true);
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if ($USER->id == $teacher->id) {
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$editall = "<input name=\"e$teacher->id\" type=\"hidden\" value=\"1\" />$stryes";
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} else {
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$editall = choose_from_menu ($editmenu, "e$teacher->id", $teacher->editall, "", "", "", true);
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}
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$removelink = "<a href=\"teacher.php?id=$course->id&remove=$teacher->id&sesskey=$USER->sesskey\">$strremoveteacher</a>";
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if (!$teacher->role) {
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$teacher->role = $course->teacher;
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}
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$table->data[] = array ($picture, fullname($teacher, true), $authority,
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"<input type=\"text\" name=\"r$teacher->id\" value=\"$teacher->role\" size=\"30\" />",
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$editall, $removelink);
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}
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$teacherlist = implode(",",$teacherarray);
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unset($teacherarray);
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print_table($table);
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echo "<input type=\"hidden\" name=\"id\" value=\"$course->id\" />";
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echo "<input type=\"hidden\" name=\"sesskey\" value=\"$USER->sesskey\" />";
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echo "<center><input type=\"submit\" value=\"".get_string("savechanges")."\" /> ";
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echo "</center>";
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echo "</form>";
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echo "<br />";
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}
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/// Print list of potential teachers
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print_heading("$strpotentialteachers $parateachers");
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$usercount = get_users(false, $search, true, $teacherlist);
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if ($usercount == 0) {
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echo "<p align=\"center\">$strnopotentialteachers</p>";
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} else if ($usercount > MAX_USERS_PER_PAGE) {
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echo "<p align=\"center\">$strtoomanytoshow ($usercount) </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, $teacherlist)) {
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error("Could not get users!");
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}
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unset($table);
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$table->head = array ("", get_string("name"), get_string("email"), "");
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$table->align = array ("right", "left", "center", "center");
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$table->size = array ("35", "", "", "");
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foreach ($users as $user) {
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$addlink = "<a href=\"teacher.php?id=$course->id&add=$user->id&sesskey=$USER->sesskey\">$straddteacher</a>";
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$picture = print_user_picture($user->id, $course->id, $user->picture, false, true);
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$table->data[] = array ($picture, fullname($user, true), $user->email, $addlink);
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}
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print_table($table);
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}
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if ($search or $usercount > MAX_USERS_PER_PAGE) {
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echo "<center>";
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echo "<form action=\"teacher.php\" method=\"get\">";
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echo "<input type=\"hidden\" name=\"id\" value=\"$course->id\" />";
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echo "<input type=\"text\" name=\"search\" size=\"20\" />";
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echo "<input type=\"submit\" value=\"$searchstring\" />";
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echo "</form>";
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echo "</center>";
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}
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print_footer($course);
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?>
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