user/messageselect.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  * This file is part of the User section Moodle
  19  *
  20  * @copyright 1999 Martin Dougiamas  http://dougiamas.com
  21  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  22  * @package core_user
  23  */
  24
  25 require_once('../config.php');
  26 require_once($CFG->dirroot.'/message/lib.php');
  27 require_once($CFG->dirroot . '/course/lib.php');
  28
  29 $id = required_param('id', PARAM_INT);
  30 $messagebody = optional_param('messagebody', '', PARAM_CLEANHTML);
  31 $send = optional_param('send', '', PARAM_BOOL);
  32 $preview = optional_param('preview', '', PARAM_BOOL);
  33 $edit = optional_param('edit', '', PARAM_BOOL);
  34 $returnto = optional_param('returnto', '', PARAM_LOCALURL);
  35 $format = optional_param('format', FORMAT_MOODLE, PARAM_INT);
  36 $deluser = optional_param('deluser', 0, PARAM_INT);
  37
  38 $url = new moodle_url('/user/messageselect.php', array('id' => $id));
  39 if ($messagebody !== '') {
  40     $url->param('messagebody', $messagebody);
  41 }
  42 if ($send !== '') {
  43     $url->param('send', $send);
  44 }
  45 if ($preview !== '') {
  46     $url->param('preview', $preview);
  47 }
  48 if ($edit !== '') {
  49     $url->param('edit', $edit);
  50 }
  51 if ($returnto !== '') {
  52     $url->param('returnto', $returnto);
  53 }
  54 if ($format !== FORMAT_MOODLE) {
  55     $url->param('format', $format);
  56 }
  57 if ($deluser !== 0) {
  58     $url->param('deluser', $deluser);
  59 }
  60 $PAGE->set_url($url);
  61
  62 if (!$course = $DB->get_record('course', array('id' => $id))) {
  63     print_error('invalidcourseid');
  64 }
  65
  66 require_login($course);
  67
  68 $coursecontext = context_course::instance($id);   // Course context.
  69 $systemcontext = context_system::instance();   // SYSTEM context.
  70 require_capability('moodle/course:bulkmessaging', $coursecontext);
  71
  72 if (empty($SESSION->emailto)) {
  73     $SESSION->emailto = array();
  74 }
  75 if (!array_key_exists($id, $SESSION->emailto)) {
  76     $SESSION->emailto[$id] = array();
  77 }
  78
  79 if ($deluser) {
  80     if (array_key_exists($id, $SESSION->emailto) && array_key_exists($deluser, $SESSION->emailto[$id])) {
  81         unset($SESSION->emailto[$id][$deluser]);
  82     }
  83 }
  84
  85 if (empty($SESSION->emailselect[$id]) || $messagebody) {
  86     $SESSION->emailselect[$id] = array('messagebody' => $messagebody);
  87 }
  88
  89 $messagebody = $SESSION->emailselect[$id]['messagebody'];
  90
  91 $count = 0;
  92
  93 if ($data = data_submitted()) {
  94     require_sesskey();
  95     $namefields = get_all_user_name_fields(true);
  96     foreach ($data as $k => $v) {
  97         if (preg_match('/^(user|teacher)(\d+)$/', $k, $m)) {
  98             if (!array_key_exists($m[2], $SESSION->emailto[$id])) {
  99                 if ($user = $DB->get_record_select('user', "id = ?", array($m[2]), 'id, '.
 100                         $namefields . ', idnumber, email, mailformat, lastaccess, lang, '.
 101                         'maildisplay, auth, suspended, deleted, emailstop, username')) {
 102                     $SESSION->emailto[$id][$m[2]] = $user;
 103                     $count++;
 104                 }
 105             }
 106         }
 107     }
 108 }
 109
 110 if ($course->id == SITEID) {
 111     $strtitle = get_string('sitemessage');
 112     $PAGE->set_pagelayout('admin');
 113 } else {
 114     $strtitle = get_string('coursemessage');
 115     $PAGE->set_pagelayout('incourse');
 116 }
 117
 118 $link = null;
 119 if (course_can_view_participants($coursecontext) || course_can_view_participants($systemcontext)) {
 120     $link = new moodle_url("/user/index.php", array('id' => $course->id));
 121 }
 122 $PAGE->navbar->add(get_string('participants'), $link);
 123 $PAGE->navbar->add($strtitle);
 124 $PAGE->set_title($strtitle);
 125 $PAGE->set_heading($strtitle);
 126 echo $OUTPUT->header();
 127 // If messaging is disabled on site, we can still allow users with capabilities to send emails instead.
 128 if (empty($CFG->messaging)) {
 129     echo $OUTPUT->notification(get_string('messagingdisabled', 'message'));
 130 }
 131
 132 if ($count) {
 133     if ($count == 1) {
 134         $heading = get_string('addedrecip', 'moodle', $count);
 135     } else {
 136         $heading = get_string('addedrecips', 'moodle', $count);
 137     }
 138     echo $OUTPUT->heading($heading);
 139 }
 140
 141 if (!empty($messagebody) && !$edit && !$deluser && ($preview || $send)) {
 142     require_sesskey();
 143     if (count($SESSION->emailto[$id])) {
 144         if (!empty($preview)) {
 145             echo '<form method="post" action="messageselect.php" style="margin: 0 20px;">
 146 <input type="hidden" name="returnto" value="'.s($returnto).'" />
 147 <input type="hidden" name="id" value="'.$id.'" />
 148 <input type="hidden" name="format" value="'.$format.'" />
 149 <input type="hidden" name="sesskey" value="' . sesskey() . '" />
 150 ';
 151             echo "<h3>".get_string('previewhtml')."</h3>";
 152             echo "<div class=\"messagepreview\">\n".format_text($messagebody, $format)."\n</div>\n";
 153             echo '<p align="center"><input type="submit" name="send" value="'.get_string('sendmessage', 'message').'" />'."\n";
 154             echo '<input type="submit" name="edit" value="'.get_string('update').'" /></p>';
 155             echo "\n</form>";
 156         } else if (!empty($send)) {
 157             $fails = array();
 158             foreach ($SESSION->emailto[$id] as $user) {
 159                 if (!message_post_message($USER, $user, $messagebody, $format)) {
 160                     $user->fullname = fullname($user);
 161                     $fails[] = get_string('messagedselecteduserfailed', 'moodle', $user);
 162                 };
 163             }
 164             if (empty($fails)) {
 165                 echo $OUTPUT->heading(get_string('messagedselectedusers'));
 166                 unset($SESSION->emailto[$id]);
 167                 unset($SESSION->emailselect[$id]);
 168             } else {
 169                 echo $OUTPUT->heading(get_string('messagedselectedcountusersfailed', 'moodle', count($fails)));
 170                 echo '<ul>';
 171                 foreach ($fails as $f) {
 172                         echo '<li>', $f, '</li>';
 173                 }
 174                 echo '</ul>';
 175             }
 176             echo '<p align="center"><a href="index.php?id='.$id.'">'.get_string('backtoparticipants').'</a></p>';
 177         }
 178         echo $OUTPUT->footer();
 179         exit;
 180     } else {
 181         echo $OUTPUT->notification(get_string('nousersyet'));
 182     }
 183 }
 184
 185 echo '<p align="center"><a href="'.$returnto.'">'.get_string("keepsearching").'</a>'.
 186     ((count($SESSION->emailto[$id])) ? ', '.get_string('usemessageform') : '').'</p>';
 187
 188 if ((!empty($send) || !empty($preview) || !empty($edit)) && (empty($messagebody))) {
 189     echo $OUTPUT->notification(get_string('allfieldsrequired'));
 190 }
 191
 192 if (count($SESSION->emailto[$id])) {
 193     require_sesskey();
 194     require("message.html");
 195 }
 196
 197 $PAGE->requires->yui_module('moodle-core-formchangechecker',
 198         'M.core_formchangechecker.init',
 199         array(array(
 200             'formid' => 'theform'
 201         ))
 202 );
 203 $PAGE->requires->string_for_js('changesmadereallygoaway', 'moodle');
 204
 205 echo $OUTPUT->footer();