sessions.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  * Adding attendance sessions
  19  *
  20  * @package    mod_attendance
  21  * @copyright  2011 Artem Andreev <andreev.artem@gmail.com>
  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__).'/add_form.php');
  28 require_once(dirname(__FILE__).'/update_form.php');
  29 require_once(dirname(__FILE__).'/duration_form.php');
  30
  31 $pageparams = new mod_attendance_sessions_page_params();
  32
  33 $id                     = required_param('id', PARAM_INT);
  34 $pageparams->action     = required_param('action', PARAM_INT);
  35
  36 if (optional_param('deletehiddensessions', false, PARAM_TEXT)) {
  37     $pageparams->action = mod_attendance_sessions_page_params::ACTION_DELETE_HIDDEN;
  38 }
  39
  40 if (empty($pageparams->action)) {
  41     // The form on manage.php can submit with the "choose" option - this should be fixed in the long term,
  42     // but in the meantime show a useful error and redirect when it occurs.
  43     $url = new moodle_url('/mod/attendance/view.php', array('id' => $id));
  44     redirect($url, get_string('invalidaction', 'mod_attendance'), 2);
  45 }
  46
  47 $cm             = get_coursemodule_from_id('attendance', $id, 0, false, MUST_EXIST);
  48 $course         = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
  49 $att            = $DB->get_record('attendance', array('id' => $cm->instance), '*', MUST_EXIST);
  50
  51 require_login($course, true, $cm);
  52
  53 $context = context_module::instance($cm->id);
  54 require_capability('mod/attendance:manageattendances', $context);
  55
  56 $att = new mod_attendance_structure($att, $cm, $course, $context, $pageparams);
  57
  58 $PAGE->set_url($att->url_sessions(array('action' => $pageparams->action)));
  59 $PAGE->set_title($course->shortname. ": ".$att->name);
  60 $PAGE->set_heading($course->fullname);
  61 $PAGE->set_cacheable(true);
  62 $PAGE->navbar->add($att->name);
  63
  64 $currenttab = attendance_tabs::TAB_ADD;
  65 $formparams = array('course' => $course, 'cm' => $cm, 'modcontext' => $context, 'att' => $att);
  66 switch ($att->pageparams->action) {
  67     case mod_attendance_sessions_page_params::ACTION_ADD:
  68         $url = $att->url_sessions(array('action' => mod_attendance_sessions_page_params::ACTION_ADD));
  69         $mform = new mod_attendance_add_form($url, $formparams);
  70
  71         if ($mform->is_cancelled()) {
  72             redirect($att->url_manage());
  73         }
  74
  75         if ($formdata = $mform->get_data()) {
  76             $sessions = attendance_construct_sessions_data_for_add($formdata, $att);
  77             $att->add_sessions($sessions);
  78             if (count($sessions) == 1) {
  79                 $message = get_string('sessiongenerated', 'attendance');
  80             } else {
  81                 $message = get_string('sessionsgenerated', 'attendance', count($sessions));
  82             }
  83
  84             mod_attendance_notifyqueue::notify_success($message);
  85             // Redirect to the sessions tab always showing all sessions.
  86             $SESSION->attcurrentattview[$cm->course] = ATT_VIEW_ALL;
  87             redirect($att->url_manage());
  88         }
  89         break;
  90     case mod_attendance_sessions_page_params::ACTION_UPDATE:
  91         $sessionid = required_param('sessionid', PARAM_INT);
  92
  93         $url = $att->url_sessions(array('action' => mod_attendance_sessions_page_params::ACTION_UPDATE, 'sessionid' => $sessionid));
  94         $formparams['sessionid'] = $sessionid;
  95         $mform = new mod_attendance_update_form($url, $formparams);
  96
  97         if ($mform->is_cancelled()) {
  98             redirect($att->url_manage());
  99         }
 100
 101         if ($formdata = $mform->get_data()) {
 102             if (empty($formdata->autoassignstatus)) {
 103                 $formdata->autoassignstatus = 0;
 104             }
 105             $att->update_session_from_form_data($formdata, $sessionid);
 106
 107             mod_attendance_notifyqueue::notify_success(get_string('sessionupdated', 'attendance'));
 108             redirect($att->url_manage());
 109         }
 110         $currenttab = attendance_tabs::TAB_UPDATE;
 111         break;
 112     case mod_attendance_sessions_page_params::ACTION_DELETE:
 113         $sessionid = required_param('sessionid', PARAM_INT);
 114         $confirm   = optional_param('confirm', null, PARAM_INT);
 115
 116         if (isset($confirm) && confirm_sesskey()) {
 117             $att->delete_sessions(array($sessionid));
 118             attendance_update_users_grade($att);
 119             redirect($att->url_manage(), get_string('sessiondeleted', 'attendance'));
 120         }
 121
 122         $sessinfo = $att->get_session_info($sessionid);
 123
 124         $message = get_string('deletecheckfull', '', get_string('session', 'attendance'));
 125         $message .= str_repeat(html_writer::empty_tag('br'), 2);
 126         $message .= userdate($sessinfo->sessdate, get_string('strftimedmyhm', 'attendance'));
 127         $message .= html_writer::empty_tag('br');
 128         $message .= $sessinfo->description;
 129
 130         $params = array('action' => $att->pageparams->action, 'sessionid' => $sessionid, 'confirm' => 1, 'sesskey' => sesskey());
 131
 132         echo $OUTPUT->header();
 133         echo $OUTPUT->heading(get_string('attendanceforthecourse', 'attendance').' :: ' .format_string($course->fullname));
 134         echo $OUTPUT->confirm($message, $att->url_sessions($params), $att->url_manage());
 135         echo $OUTPUT->footer();
 136         exit;
 137     case mod_attendance_sessions_page_params::ACTION_DELETE_SELECTED:
 138         $confirm    = optional_param('confirm', null, PARAM_INT);
 139         $message = get_string('deletecheckfull', '', get_string('session', 'attendance'));
 140
 141         if (isset($confirm) && confirm_sesskey()) {
 142             $sessionsids = required_param('sessionsids', PARAM_ALPHANUMEXT);
 143             $sessionsids = explode('_', $sessionsids);
 144             if ($att->pageparams->action == mod_attendance_sessions_page_params::ACTION_DELETE_SELECTED) {
 145                 $att->delete_sessions($sessionsids);
 146                 attendance_update_users_grade($att);
 147                 redirect($att->url_manage(), get_string('sessiondeleted', 'attendance'));
 148             }
 149         }
 150         $sessid = optional_param_array('sessid', '', PARAM_SEQUENCE);
 151         if (empty($sessid)) {
 152             print_error('nosessionsselected', 'attendance', $att->url_manage());
 153         }
 154         $sessionsinfo = $att->get_sessions_info($sessid);
 155
 156         $message .= html_writer::empty_tag('br');
 157         foreach ($sessionsinfo as $sessinfo) {
 158             $message .= html_writer::empty_tag('br');
 159             $message .= userdate($sessinfo->sessdate, get_string('strftimedmyhm', 'attendance'));
 160             $message .= html_writer::empty_tag('br');
 161             $message .= $sessinfo->description;
 162         }
 163
 164         $sessionsids = implode('_', $sessid);
 165         $params = array('action' => $att->pageparams->action, 'sessionsids' => $sessionsids,
 166                         'confirm' => 1, 'sesskey' => sesskey());
 167
 168         echo $OUTPUT->header();
 169         echo $OUTPUT->heading(get_string('attendanceforthecourse', 'attendance').' :: ' .format_string($course->fullname));
 170         echo $OUTPUT->confirm($message, $att->url_sessions($params), $att->url_manage());
 171         echo $OUTPUT->footer();
 172         exit;
 173     case mod_attendance_sessions_page_params::ACTION_CHANGE_DURATION:
 174         $sessid = optional_param_array('sessid', '', PARAM_SEQUENCE);
 175         $ids = optional_param('ids', '', PARAM_ALPHANUMEXT);
 176
 177         $slist = !empty($sessid) ? implode('_', $sessid) : '';
 178
 179         $url = $att->url_sessions(array('action' => mod_attendance_sessions_page_params::ACTION_CHANGE_DURATION));
 180         $formparams['ids'] = $slist;
 181         $mform = new mod_attendance_duration_form($url, $formparams);
 182
 183         if ($mform->is_cancelled()) {
 184             redirect($att->url_manage());
 185         }
 186
 187         if ($formdata = $mform->get_data()) {
 188             $sessionsids = explode('_', $ids);
 189             $duration = $formdata->durtime['hours'] * HOURSECS + $formdata->durtime['minutes'] * MINSECS;
 190             $att->update_sessions_duration($sessionsids, $duration);
 191             redirect($att->url_manage(), get_string('sessionupdated', 'attendance'));
 192         }
 193
 194         if ($slist === '') {
 195             print_error('nosessionsselected', 'attendance', $att->url_manage());
 196         }
 197
 198         break;
 199     case mod_attendance_sessions_page_params::ACTION_DELETE_HIDDEN:
 200         $confirm  = optional_param('confirm', null, PARAM_INT);
 201         if ($confirm && confirm_sesskey()) {
 202             $sessions = $att->get_hidden_sessions();
 203             $att->delete_sessions(array_keys($sessions));
 204             redirect($att->url_manage(), get_string('hiddensessionsdeleted', 'attendance'));
 205         }
 206
 207         $a = new stdClass();
 208         $a->count = $att->get_hidden_sessions_count();
 209         $a->date = userdate($course->startdate);
 210         $message = get_string('confirmdeletehiddensessions', 'attendance', $a);
 211
 212         $params = array('action' => $att->pageparams->action, 'confirm' => 1, 'sesskey' => sesskey());
 213         echo $OUTPUT->header();
 214         echo $OUTPUT->heading(get_string('attendanceforthecourse', 'attendance').' :: ' .format_string($course->fullname));
 215         echo $OUTPUT->confirm($message, $att->url_sessions($params), $att->url_manage());
 216         echo $OUTPUT->footer();
 217         exit;
 218 }
 219
 220 $output = $PAGE->get_renderer('mod_attendance');
 221 $tabs = new attendance_tabs($att, $currenttab);
 222 echo $output->header();
 223 echo $output->heading(get_string('attendanceforthecourse', 'attendance').' :: ' .format_string($course->fullname));
 224 echo $output->render($tabs);
 225
 226 $mform->display();
 227
 228 echo $OUTPUT->footer();