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_attendance
  21  * @copyright  2014 Dan Marsden
  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, $cm);
  41
  42 if (!attendance_can_student_mark($attforsession)) {
  43     // TODO: should we add a log message here? - student has got to submit page but cannot save attendance (time ran out?)
  44     redirect(new moodle_url('/mod/attendance/view.php', array('id' => $cm->id)));
  45     exit;
  46 }
  47
  48 // Check if subnet is set and if the user is in the allowed range.
  49 if (!empty($attforsession->subnet) && !address_in_subnet(getremoteaddr(), $attforsession->subnet)) {
  50     $url = new moodle_url('/mod/attendance/view.php', array('id' => $cm->id));
  51     notice(get_string('subnetwrong', 'attendance'), $url);
  52     exit; // Notice calls this anyway.
  53 }
  54
  55 $pageparams->sessionid = $id;
  56 $att = new mod_attendance_structure($attendance, $cm, $course, $PAGE->context, $pageparams);
  57
  58 // Require that a session key is passed to this page.
  59 require_sesskey();
  60
  61 // Check to see if autoassignstatus is in use and no password required.
  62 if ($attforsession->autoassignstatus && empty($attforsession->studentpassword)) {
  63     $statusid = attendance_session_get_highest_status($att, $attforsession);
  64     $url = new moodle_url('/mod/attendance/view.php', array('id' => $cm->id));
  65     if (empty($statusid)) {
  66         print_error('attendance_no_status', 'mod_attendance', $url);
  67     }
  68     $take = new stdClass();
  69     $take->status = $statusid;
  70     $take->sessid = $attforsession->id;
  71     $success = $att->take_from_student($take);
  72
  73     if ($success) {
  74         // Redirect back to the view page.
  75         redirect($url, get_string('studentmarked', 'attendance'));
  76     } else {
  77         print_error('attendance_already_submitted', 'mod_attendance', $url);
  78     }
  79 }
  80
  81 // Create the form.
  82 $mform = new mod_attendance_student_attendance_form(null,
  83         array('course' => $course, 'cm' => $cm, 'modcontext' => $PAGE->context, 'session' => $attforsession, 'attendance' => $att));
  84
  85 $PAGE->set_url($att->url_sessions());
  86
  87 if ($mform->is_cancelled()) {
  88     // The user cancelled the form, so redirect them to the view page.
  89     $url = new moodle_url('/mod/attendance/view.php', array('id' => $cm->id));
  90     redirect($url);
  91 } else if ($fromform = $mform->get_data()) {
  92     // Check if password required and if set correctly.
  93     if (!empty($attforsession->studentpassword) &&
  94         $attforsession->studentpassword !== $fromform->studentpassword) {
  95
  96         $url = new moodle_url('/mod/attendance/attendance.php', array('sessid' => $id, 'sesskey' => sesskey()));
  97         redirect($url, get_string('incorrectpassword', 'mod_attendance'), null, \core\output\notification::NOTIFY_ERROR);
  98     }
  99     if ($attforsession->autoassignstatus) {
 100         $fromform->status = attendance_session_get_highest_status($att, $attforsession);
 101         if (empty($fromform->status)) {
 102             $url = new moodle_url('/mod/attendance/view.php', array('id' => $cm->id));
 103             print_error('attendance_no_status', 'mod_attendance', $url);
 104         }
 105     }
 106
 107     if (!empty($fromform->status)) {
 108         $success = $att->take_from_student($fromform);
 109
 110         $url = new moodle_url('/mod/attendance/view.php', array('id' => $cm->id));
 111         if ($success) {
 112             // Redirect back to the view page.
 113             redirect($url, get_string('studentmarked', 'attendance'));
 114         } else {
 115             print_error('attendance_already_submitted', 'mod_attendance', $url);
 116         }
 117     }
 118
 119     // The form did not validate correctly so we will set it to display the data they submitted.
 120     $mform->set_data($fromform);
 121 }
 122
 123 $PAGE->set_title($course->shortname. ": ".$att->name);
 124 $PAGE->set_heading($course->fullname);
 125 $PAGE->set_cacheable(true);
 126 $PAGE->navbar->add($att->name);
 127
 128 $output = $PAGE->get_renderer('mod_attendance');
 129 echo $output->header();
 130 $mform->display();
 131 echo $output->footer();
 132