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