accesslib: add support for multi-enrolments
[moodle.git] / course / view.php
CommitLineData
24f2b65a 1<?php // $Id$
f9903ed0 2
3// Display the course home page.
4
08cebf19 5 require_once('../config.php');
6 require_once('lib.php');
7 require_once($CFG->libdir.'/blocklib.php');
f45cc76f 8 require_once($CFG->libdir.'/ajax/ajaxlib.php');
afc58a28 9 require_once($CFG->dirroot.'/mod/forum/lib.php');
f9903ed0 10
2335781f 11 $id = optional_param('id', 0, PARAM_INT);
0cdae0dc 12 $name = optional_param('name', '', PARAM_RAW);
13 $edit = optional_param('edit', -1, PARAM_BOOL);
14 $hide = optional_param('hide', 0, PARAM_INT);
15 $show = optional_param('show', 0, PARAM_INT);
16 $idnumber = optional_param('idnumber', '', PARAM_RAW);
0cdae0dc 17 $section = optional_param('section', 0, PARAM_INT);
18 $move = optional_param('move', 0, PARAM_INT);
f4f0bc84 19 $marker = optional_param('marker',-1 , PARAM_INT);
3a52e764 20 $switchrole = optional_param('switchrole',-1, PARAM_INT);
21
7ea8ea7f 22
f9903ed0 23
533229c4 24 if (empty($id) && empty($name) && empty($idnumber)) {
25 error("Must specify course id, short name or idnumber");
388f8911 26 }
f9903ed0 27
2335781f 28 if (!empty($name)) {
29 if (! ($course = get_record('course', 'shortname', $name)) ) {
30 error('Invalid short course name');
388f8911 31 }
816acb46 32 } else if (!empty($idnumber)) {
33 if (! ($course = get_record('course', 'idnumber', $idnumber)) ) {
34 error('Invalid course idnumber');
35 }
388f8911 36 } else {
2335781f 37 if (! ($course = get_record('course', 'id', $id)) ) {
38 error('Invalid course id');
388f8911 39 }
f9903ed0 40 }
41
3a52e764 42 if (!$context = get_context_instance(CONTEXT_COURSE, $course->id)) {
43 print_error('nocontext');
44 }
45
ac4c51be 46 if ($switchrole == 0) { // Remove any switched roles before checking login
47 role_switch($switchrole, $context);
48 }
49
783da262 50 require_login($course->id);
388f8911 51
ac4c51be 52 if ($switchrole > 0) {
3a52e764 53 role_switch($switchrole, $context);
ac4c51be 54 require_login($course->id); // Double check that this role is allowed here
3a52e764 55 }
56
542a0435 57 //If course is hosted on an external server, redirect to corresponding
58 //url with appropriate authentication attached as parameter
892c0825 59 if (file_exists($CFG->dirroot .'/course/externservercourse.php')) {
60 include $CFG->dirroot .'/course/externservercourse.php';
4d2401d5 61 if (function_exists('extern_server_course')) {
542a0435 62 if ($extern_url = extern_server_course($course)) {
63 redirect($extern_url);
64 }
65 }
66 }
67
3a52e764 68
08cebf19 69 require_once($CFG->dirroot.'/calendar/lib.php'); /// This is after login because it needs $USER
af62781b 70
892c0825 71 add_to_log($course->id, 'course', 'view', "view.php?id=$course->id", "$course->id");
f9903ed0 72
e069b3e2 73 $course->format = clean_param($course->format, PARAM_ALPHA);
0f3fe4b6 74 if (!file_exists($CFG->dirroot.'/course/format/'.$course->format.'/format.php')) {
75 $course->format = 'weeks'; // Default format is weeks
76 }
77
7542a4e5 78 $PAGE = page_create_object(PAGE_COURSE_VIEW, $course->id);
f45cc76f 79 $pageblocks = blocks_setup($PAGE, BLOCKS_PINNED_BOTH);
80
daa27ce4 81
0f3fe4b6 82 if (!isset($USER->editing)) {
d2b23346 83 $USER->editing = 0;
0f3fe4b6 84 }
a3f24f7c 85 if ($PAGE->user_allowed_editing()) {
0cdae0dc 86 if (($edit == 1) and confirm_sesskey()) {
d2b23346 87 $USER->editing = 1;
0cdae0dc 88 } else if (($edit == 0) and confirm_sesskey()) {
d2b23346 89 $USER->editing = 0;
a3f24f7c 90 if(!empty($USER->activitycopy) && $USER->activitycopycourse == $course->id) {
91 $USER->activitycopy = false;
92 $USER->activitycopycourse = NULL;
9c9f7d77 93 }
f9903ed0 94 }
8223d271 95
0cdae0dc 96 if ($hide && confirm_sesskey()) {
82b181f2 97 set_section_visible($course->id, $hide, '0');
73fafc38 98 }
7d99d695 99
0cdae0dc 100 if ($show && confirm_sesskey()) {
82b181f2 101 set_section_visible($course->id, $show, '1');
73fafc38 102 }
12905134 103
104 if (!empty($section)) {
5b224948 105 if (!empty($move) and confirm_sesskey()) {
56e34ee4 106 if (!move_section($course, $section, $move)) {
892c0825 107 notify('An error occurred while moving a section');
56e34ee4 108 }
12905134 109 }
110 }
48d72fa7 111 } else {
d2b23346 112 $USER->editing = 0;
7d99d695 113 }
114
892c0825 115 $SESSION->fromdiscussion = $CFG->wwwroot .'/course/view.php?id='. $course->id;
4c701e6f 116
f45cc76f 117
118 if ($course->id == SITEID) {
119 // This course is not a real course.
892c0825 120 redirect($CFG->wwwroot .'/');
83f3c62d 121 }
122
f9903ed0 123
f45cc76f 124 // AJAX-capable course format?
61c1b4b5 125 $CFG->useajax = false;
f45cc76f 126 $ajaxformatfile = $CFG->dirroot.'/course/format/'.$course->format.'/ajax.php';
4e86c6d7 127 $bodytags = '';
f45cc76f 128
61c1b4b5 129 if (file_exists($ajaxformatfile)) { // Needs to exist otherwise no AJAX by default
130
131 $CFG->ajaxcapable = false; // May be overridden later by ajaxformatfile
132 $CFG->ajaxtestedbrowsers = array(); // May be overridden later by ajaxformatfile
133
f45cc76f 134 require_once($ajaxformatfile);
4e86c6d7 135
61c1b4b5 136 if (!empty($USER->editing) && $CFG->ajaxcapable && has_capability('moodle/course:manageactivities', $context)) {
137 // Course-based switches
7b9c9979 138
61c1b4b5 139 if (ajaxenabled($CFG->ajaxtestedbrowsers)) { // Browser, user and site-based switches
f47e1c17 140
141 require_js(array('yui_yahoo',
142 'yui_dom',
143 'yui_event',
144 'yui_dragdrop',
145 'yui_connection',
146 'ajaxcourse_blocks',
147 'ajaxcourse_sections'));
148
4e86c6d7 149 if (debugging('', DEBUG_DEVELOPER)) {
f47e1c17 150 require_js(array('yui_logger'));
4e86c6d7 151
a202dfa0 152 $bodytags = 'onload = "javascript:
4e86c6d7 153 show_logger = function() {
154 var logreader = new YAHOO.widget.LogReader();
155 logreader.newestOnTop = false;
156 logreader.setTitle(\'Moodle Debug: YUI Log Console\');
157 };
158 show_logger();
159 "';
160 }
f47e1c17 161
4e86c6d7 162 // Okay, global variable alert. VERY UGLY. We need to create
163 // this object here before the <blockname>_print_block()
164 // function is called, since that function needs to set some
165 // stuff in the javascriptportal object.
166 $COURSE->javascriptportal = new jsportal();
75c3849a 167 $CFG->useajax = true;
4e86c6d7 168 }
f45cc76f 169 }
f45cc76f 170 }
171
75c3849a 172 $CFG->blocksdrag = $CFG->useajax; // this will add a new class to the header so we can style differently
173
f45cc76f 174
f47e1c17 175 $PAGE->print_header(get_string('course').': %fullname%', NULL, '', $bodytags);
f45cc76f 176 // Course wrapper start.
177 echo '<div class="course-content">';
178
daa27ce4 179
9c9f7d77 180 get_all_mods($course->id, $mods, $modnames, $modnamesplural, $modnamesused);
19801b2b 181
dfec7b01 182 if (! $sections = get_all_sections($course->id)) { // No sections found
183 // Double-check to be extra sure
892c0825 184 if (! $section = get_record('course_sections', 'course', $course->id, 'section', 0)) {
dfec7b01 185 $section->course = $course->id; // Create a default section.
186 $section->section = 0;
187 $section->visible = 1;
892c0825 188 $section->id = insert_record('course_sections', $section);
dfec7b01 189 }
190 if (! $sections = get_all_sections($course->id) ) { // Try again
892c0825 191 error('Error finding or creating section structures for this course');
19801b2b 192 }
193 }
7468bf01 194
f45cc76f 195
196 if (empty($course->modinfo)) {
197 // Course cache was never made.
51955364 198 rebuild_course_cache($course->id);
892c0825 199 if (! $course = get_record('course', 'id', $course->id) ) {
db34bb59 200 error("That's an invalid course id");
201 }
51955364 202 }
203
f9903ed0 204
f45cc76f 205 // Include the actual course format.
206 require($CFG->dirroot .'/course/format/'. $course->format .'/format.php');
207 // Content wrapper end.
f47e1c17 208 echo "</div>\n\n";
f45cc76f 209
210
211 // Use AJAX?
217a8ee9 212 if ($CFG->useajax && has_capability('moodle/course:manageactivities', $context)) {
f45cc76f 213 // At the bottom because we want to process sections and activities
f47e1c17 214 // after the relevant html has been generated. We're forced to do this
215 // because of the way in which lib/ajax/ajaxcourse.js is written.
216 echo '<script type="text/javascript" ';
217 echo "src=\"{$CFG->wwwroot}/lib/ajax/ajaxcourse.js\"></script>\n";
218
219 $COURSE->javascriptportal->print_javascript($course->id);
f45cc76f 220 }
221
222
093a4a24 223 print_footer(NULL, $course);
f9903ed0 224
61c1b4b5 225?>