moodle/course/edit.php

322 lines
12 KiB
PHP

<?php // $Id$
// Edit course settings
require_once("../config.php");
require_once("lib.php");
require_once("$CFG->libdir/blocklib.php");
require_once("$CFG->dirroot/enrol/enrol.class.php");
$id = optional_param('id', 0, PARAM_INT); // course id
$category = optional_param('category', 0, PARAM_INT); // possible default category
require_login();
$disable_meta = false;
$focus = "";
if ($id) {
if (! $course = get_record('course', 'id', $id)) {
error('Course ID was incorrect');
}
$context = get_context_instance(CONTEXT_COURSE, $course->id);
if (!has_capability('moodle/course:update', $context)) {
error("You do not currently have editing privileges!");
}
if (course_in_meta($course)) {
$disable_meta = get_string('metaalreadyinmeta');
}
else if ($course->metacourse) {
if (count_records("course_meta","parent_course",$course->id) > 0) {
$disable_meta = get_string('metaalreadyhascourses');
}
}
else {
if (count_records("user_students","course",$course->id) > 0) {
$disable_meta = get_string('metaalreadyhasenrolments');
}
}
} else { // Admin is creating a new course
$context = get_context_instance(CONTEXT_SYSTEM, SITEID);
if (!has_capability('moodle/course:create',$context)) {
error("You do not currently have course creation privileges!");
}
$course = NULL;
}
if (! $site = get_site()) {
redirect("$CFG->wwwroot/$CFG->admin/index.php");
}
/// If data submitted, then process and store.
if ($form = data_submitted() and confirm_sesskey()) {
$form->startdate = make_timestamp($form->startyear, $form->startmonth, $form->startday);
$form->category = clean_param($form->category, PARAM_INT);
if (empty($form->enrolstartdisabled)) {
$form->enrolstartdate = make_timestamp($form->enrolstartyear, $form->enrolstartmonth, $form->enrolstartday);
} else {
$form->enrolstartdate = 0;
}
if (empty($form->enrolenddisabled)) {
$form->enrolenddate = make_timestamp($form->enrolendyear, $form->enrolendmonth, $form->enrolendday);
} else {
$form->enrolenddate = 0;
}
$form->format = optional_param('format', 'social', PARAM_ALPHA);
$form->defaultrole = optional_param('defaultrole', 0, PARAM_INT);
if ($form->defaultrole == -1) { // Just leave it however it is
unset($form->defaultrole);
}
validate_form($course, $form, $err);
if (count($err) == 0) {
$allowedmods = array();
if (!empty($form->allowedmods)) {
$allowedmods = $form->allowedmods;
unset($form->allowedmods);
}
$form->timemodified = time();
if (!empty($course)) {
// Test for and remove blocks which aren't appropriate anymore
$page = page_create_object(PAGE_COURSE_VIEW, $course->id);
blocks_remove_inappropriate($page);
// Update with the new data
if (update_record('course', $form)) {
add_to_log($course->id, "course", "update", "edit.php?id=$id", "");
if (isadmin()) {
$course->restrictmodules = $form->restrictmodules;
update_restricted_mods($course,$allowedmods);
}
fix_course_sortorder();
redirect($page->url_get_full(), get_string('changessaved'));
} else {
error("Serious Error! Could not update the course record! (id = $form->id)");
}
} else {
$form->timecreated = time();
// place at beginning of category
fix_course_sortorder();
$form->sortorder = get_field_sql("SELECT min(sortorder)-1 FROM {$CFG->prefix}course WHERE category=$form->category");
if (empty($form->sortorder)) {
$form->sortorder = 100;
}
if ($newcourseid = insert_record('course', $form)) { // Set up new course
// Setup the blocks
$page = page_create_object(PAGE_COURSE_VIEW, $newcourseid);
blocks_repopulate_page($page); // Return value not checked because you can always edit later
if (isadmin()) {
$course = get_record("course","id",$newcourseid);
update_restricted_mods($course,$allowedmods);
}
$section = NULL;
$section->course = $newcourseid; // Create a default section.
$section->section = 0;
$section->id = insert_record("course_sections", $section);
fix_course_sortorder();
add_to_log(SITEID, "course", "new", "view.php?id=$newcourseid", "$form->fullname (ID $newcourseid)") ;
$context = get_context_instance(CONTEXT_COURSE, $newcourseid);
if (has_capability('moodle/role:assign', $context)) { // Redirect users with assign capability to assign users to different roles
redirect($CFG->wwwroot."/admin/roles/assign.php?contextid=$context->id", get_string("changessaved"));
} else { // Add current teacher and send to course
// find a role with legacy:edittingteacher
if ($teacherroles = get_roles_with_capability('moodle/legacy:editingteacher', CAP_ALLOW, $context)) {
// assign the role to this user
$teachereditrole = array_shift($teacherroles);
role_assign($teachereditrole->id, $USER->id, 0, $context->id);
}
redirect("view.php?id=$newcourseid", get_string("changessaved"));
}
} else {
error("Serious Error! Could not create the new course!");
}
}
die;
} else {
foreach ($err as $key => $value) {
$focus = "form.$key";
}
}
}
/// Otherwise fill and print the form.
if (empty($form)) {
if (!empty($course)) {
$form = $course;
} else {
$form->startdate = time() + 3600 * 24;
$form->fullname = get_string("defaultcoursefullname");
$form->shortname = get_string("defaultcourseshortname");
$form->summary = get_string("defaultcoursesummary");
$form->format = "weeks";
$form->password = "";
$form->guest = 0;
$form->numsections = 10;
$form->idnumber = '';
$form->cost = '';
$form->currency = empty($CFG->enrol_currency) ? 'USD' : $CFG->enrol_currency;
$form->newsitems = 5;
$form->showgrades = 1;
$form->groupmode = 0;
$form->groupmodeforce = 0;
$form->category = $category;
$form->id = "";
$form->visible = 1;
if (current_language() == $CFG->lang) {
$form->teacher = $site->teacher;
$form->teachers = $site->teachers;
$form->student = $site->student;
$form->students = $site->students;
} else {
$form->teacher = get_string("defaultcourseteacher");
$form->teachers = get_string("defaultcourseteachers");
$form->student = get_string("defaultcoursestudent");
$form->students = get_string("defaultcoursestudents");
}
}
} else {
$form = stripslashes_safe($form);
}
// !! no db access using data from $form beyond this point !!
$form->categories = get_records_select_menu("course_categories", "", "name", "id,name");
$courseformats = get_list_of_plugins("course/format");
$form->courseformats = array();
foreach ($courseformats as $courseformat) {
$form->courseformats["$courseformat"] = get_string("format$courseformat");
}
if (empty($allowedmods)) {
$allowedmods = array();
if (!empty($course)) {
if ($am = get_records("course_allowed_modules","course",$course->id)) {
foreach ($am as $m) {
$allowedmods[] = $m->module;
}
} else {
if (empty($course->restrictmodules)) {
$allowedmods = explode(',',$CFG->defaultallowedmodules);
} // it'll be greyed out but we want these by default anyway.
}
} else {
if ($CFG->restrictmodulesfor == 'all') {
$allowedmods = explode(',',$CFG->defaultallowedmodules);
if (!empty($CFG->restrictbydefault)) {
$form->restrictmodules = 1;
}
}
}
}
$usehtmleditor = can_use_html_editor();
$streditcoursesettings = get_string("editcoursesettings");
$straddnewcourse = get_string("addnewcourse");
$stradministration = get_string("administration");
$strcategories = get_string("categories");
if (!empty($course)) {
print_header($streditcoursesettings, "$course->fullname",
"<a href=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->shortname</a>
-> $streditcoursesettings", $focus);
} else {
print_header("$site->shortname: $straddnewcourse", "$site->fullname",
"<a href=\"../$CFG->admin/index.php\">$stradministration</a> -> ".
"<a href=\"index.php\">$strcategories</a> -> $straddnewcourse", $focus);
}
$form->sesskey = !empty($USER->id) ? $USER->sesskey : '';
print_heading($streditcoursesettings);
print_simple_box_start("center");
include("edit.html");
print_simple_box_end();
if ($usehtmleditor) {
use_html_editor("summary");
}
print_footer($course);
exit;
/// Functions /////////////////////////////////////////////////////////////////
function validate_form($course, &$form, &$err) {
if (empty($form->enrolenddisabled) && $form->enrolenddate <= $form->enrolstartdate) {
$err["enroldate"] = get_string("enrolenddaterror");
}
if (empty($form->fullname))
$err["fullname"] = get_string("missingfullname");
if (empty($form->shortname))
$err["shortname"] = get_string("missingshortname");
if ($foundcourses = get_records("course", "shortname", $form->shortname)) {
if (!empty($course->id)) {
unset($foundcourses[$course->id]);
}
if (!empty($foundcourses)) {
foreach ($foundcourses as $foundcourse) {
$foundcoursenames[] = $foundcourse->fullname;
}
$foundcoursenamestring = addslashes(implode(',', $foundcoursenames));
$err["shortname"] = get_string("shortnametaken", "", $foundcoursenamestring);
}
}
if (empty($form->summary))
$err["summary"] = get_string("missingsummary");
//if (empty($form->teacher))
// $err["teacher"] = get_string("missingteacher");
//if (empty($form->student))
// $err["student"] = get_string("missingstudent");
if (! $form->category)
$err["category"] = get_string("missingcategory");
return;
}
?>