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<?php // $Id$
// Display the course home page.
require_once('../config.php');
require_once('lib.php');
require_once($CFG->libdir.'/blocklib.php');
$id = optional_param('id', 0, PARAM_INT);
$name = optional_param('name');
$edit = optional_param('edit');
$idnumber = optional_param('idnumber');
$blockaction = optional_param('blockaction');
if (empty($id) && empty($name)) {
error("Must specify course id or short name");
}
if (!empty($name)) {
if (! ($course = get_record('course', 'shortname', $name)) ) {
error('Invalid short course name');
}
} else if (!empty($idnumber)) {
if (! ($course = get_record('course', 'idnumber', $idnumber)) ) {
error('Invalid course idnumber');
}
} else {
if (! ($course = get_record('course', 'id', $id)) ) {
error('Invalid course id');
}
}
require_login($course->id);
//If course is hosted on an external server, redirect to corresponding
//url with appropriate authentication attached as parameter
if (file_exists($CFG->dirroot ."/course/externservercourse.php")) {
include $CFG->dirroot ."/course/externservercourse.php";
if (function_exists(extern_server_course)) {
if ($extern_url = extern_server_course($course)) {
redirect($extern_url);
}
}
}
require_once($CFG->dirroot.'/calendar/lib.php'); /// This is after login because it needs $USER
add_to_log($course->id, "course", "view", "view.php?id=$course->id", "$course->id");
$course->format = clean_param($course->format, PARAM_ALPHA);
if (!file_exists($CFG->dirroot.'/course/format/'.$course->format.'/format.php')) {
$course->format = 'weeks'; // Default format is weeks
}
$PAGE = page_create_object(PAGE_COURSE_VIEW, $course->id);
$pageblocks = blocks_get_by_page($PAGE);
if (!isset($USER->editing)) {
$USER->editing = false;
}
if ($PAGE->user_allowed_editing()) {
if ($edit == 'on') {
$USER->editing = true;
} else if ($edit == 'off') {
$USER->editing = false;
if(!empty($USER->activitycopy) && $USER->activitycopycourse == $course->id) {
$USER->activitycopy = false;
$USER->activitycopycourse = NULL;
}
}
if (isset($hide) && confirm_sesskey()) {
set_section_visible($course->id, $hide, '0');
}
if (isset($show) && confirm_sesskey()) {
set_section_visible($course->id, $show, '1');
}
if (!empty($blockaction)) {
blocks_execute_url_action($PAGE, $pageblocks);
// This re-query could be eliminated by judicious programming in blocks_execute_action(),
// but I 'm not sure if it's worth the complexity increase...
$pageblocks = blocks_get_by_page($PAGE);
}
if (!empty($section)) {
if (!empty($move) and confirm_sesskey()) {
if (!move_section($course, $section, $move)) {
notify("An error occurred while moving a section");
}
}
}
} else {
$USER->editing = false;
}
$SESSION->fromdiscussion = "$CFG->wwwroot/course/view.php?id=$course->id";
if ($course->id == SITEID) { // This course is not a real course.
redirect("$CFG->wwwroot/");
}
$PAGE->print_header(get_string('course').': %fullname%');
echo '<div class="course-content">'; // course wrapper start
get_all_mods($course->id, $mods, $modnames, $modnamesplural, $modnamesused);
if (! $sections = get_all_sections($course->id)) { // No sections found
// Double-check to be extra sure
if (! $section = get_record("course_sections", "course", $course->id, "section", 0)) {
$section->course = $course->id; // Create a default section.
$section->section = 0;
$section->visible = 1;
$section->id = insert_record("course_sections", $section);
}
if (! $sections = get_all_sections($course->id) ) { // Try again
error("Error finding or creating section structures for this course");
}
}
if (empty($course->modinfo)) { // Course cache was never made
rebuild_course_cache($course->id);
if (! $course = get_record("course", "id", $course->id) ) {
error("That's an invalid course id");
}
}
require("$CFG->dirroot/course/format/$course->format/format.php"); // Include the actual course format
echo '</div>'; // content wrapper end
print_footer(NULL, $course);
?>
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