Fixes #223 allow student attendance to be disabled at site-level
[moodle-mod_attendance.git] / attendance.php
1 <?php
2 // This file is part of Moodle - http://moodle.org/
3 //
4 // Moodle is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation, either version 3 of the License, or
7 // (at your option) any later version.
8 //
9 // Moodle is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
13 //
14 // You should have received a copy of the GNU General Public License
15 // along with Moodle. If not, see <http://www.gnu.org/licenses/>.
16
17 /**
18 * Prints attendance info for particular user
19 *
20 * @package mod
21 * @subpackage attendance
22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
23 */
24
25 require_once(dirname(__FILE__).'/../../config.php');
26 require_once(dirname(__FILE__).'/locallib.php');
27 require_once(dirname(__FILE__).'/student_attendance_form.php');
28
29 $pageparams = new mod_attendance_sessions_page_params();
30
31 // Check that the required parameters are present.
32 $id = required_param('sessid', PARAM_INT);
33
34 $attforsession = $DB->get_record('attendance_sessions', array('id' => $id), '*', MUST_EXIST);
35 $attendance = $DB->get_record('attendance', array('id' => $attforsession->attendanceid), '*', MUST_EXIST);
36 $cm = get_coursemodule_from_instance('attendance', $attendance->id, 0, false, MUST_EXIST);
37 $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
38
39 // Require the user is logged in.
40 require_login($course, true, $cm);
41
42 if (empty(get_config('attendance', 'studentscanmark')) || empty($attforsession->studentscanmark)) {
43 redirect(new moodle_url('/mod/attendance/view.php', array('id' => $cm->id)));
44 exit;
45 }
46 $pageparams->sessionid = $id;
47 $att = new mod_attendance_structure($attendance, $cm, $course, $PAGE->context, $pageparams);
48
49 // Require that a session key is passed to this page.
50 require_sesskey();
51
52 // Create the form.
53 $mform = new mod_attendance_student_attendance_form(null,
54 array('course' => $course, 'cm' => $cm, 'modcontext' => $PAGE->context, 'session' => $attforsession, 'attendance' => $att));
55
56 $PAGE->set_url($att->url_sessions());
57
58 if ($mform->is_cancelled()) {
59 // The user cancelled the form, so redirect them to the view page.
60 $url = new moodle_url('/mod/attendance/view.php', array('id' => $cm->id));
61 redirect($url);
62 } else if ($fromform = $mform->get_data()) {
63 if (!empty($fromform->status)) {
64 $success = $att->take_from_student($fromform);
65
66 $url = new moodle_url('/mod/attendance/view.php', array('id' => $cm->id));
67 if ($success) {
68 // Redirect back to the view page for the block.
69 redirect($url);
70 } else {
71 print_error ('attendance_already_submitted', 'mod_attendance', $url);
72 }
73 }
74
75 // The form did not validate correctly so we will set it to display the data they submitted.
76 $mform->set_data($fromform);
77 }
78
79 $PAGE->set_title($course->shortname. ": ".$att->name);
80 $PAGE->set_heading($course->fullname);
81 $PAGE->set_cacheable(true);
82 $PAGE->navbar->add($att->name);
83
84 $output = $PAGE->get_renderer('mod_attendance');
85 echo $output->header();
86 $mform->display();
87 echo $output->footer();