user/messageselect.php

   1 <?php
   2
   3 // This file is part of Moodle - http://moodle.org/
   4 //
   5 // Moodle is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // Moodle is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 /**
  19  * This file is part of the User section Moodle
  20  *
  21  * @copyright 1999 Martin Dougiamas  http://dougiamas.com
  22  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  * @package user
  24  */
  25
  26 require_once('../config.php');
  27 require_once($CFG->dirroot.'/message/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 $PAGE->set_context(context_system::instance());
  62
  63 if (!$course = $DB->get_record('course', array('id'=>$id))) {
  64     print_error('invalidcourseid');
  65 }
  66
  67 require_login();
  68
  69 $coursecontext = context_course::instance($id);   // Course context
  70 $systemcontext = context_system::instance();   // SYSTEM context
  71 require_capability('moodle/course:bulkmessaging', $coursecontext);
  72
  73 if (empty($SESSION->emailto)) {
  74     $SESSION->emailto = array();
  75 }
  76 if (!array_key_exists($id,$SESSION->emailto)) {
  77     $SESSION->emailto[$id] = array();
  78 }
  79
  80 if ($deluser) {
  81     if (array_key_exists($id,$SESSION->emailto) && array_key_exists($deluser,$SESSION->emailto[$id])) {
  82         unset($SESSION->emailto[$id][$deluser]);
  83     }
  84 }
  85
  86 if (empty($SESSION->emailselect[$id]) || $messagebody) {
  87     $SESSION->emailselect[$id] = array('messagebody' => $messagebody);
  88 }
  89
  90 $messagebody = $SESSION->emailselect[$id]['messagebody'];
  91
  92 $count = 0;
  93
  94 if ($data = data_submitted()) {
  95     require_sesskey();
  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,firstname,lastname,idnumber,email,mailformat,lastaccess, lang, maildisplay')) {
 100                     $SESSION->emailto[$id][$m[2]] = $user;
 101                     $count++;
 102                 }
 103             }
 104         }
 105     }
 106 }
 107
 108 $strtitle = get_string('coursemessage');
 109
 110 $link = null;
 111 if (has_capability('moodle/course:viewparticipants', $coursecontext) || has_capability('moodle/site:viewparticipants', $systemcontext)) {
 112     $link = new moodle_url("/user/index.php", array('id'=>$course->id));
 113 }
 114 $PAGE->navbar->add(get_string('participants'), $link);
 115 $PAGE->navbar->add($strtitle);
 116 $PAGE->set_title($strtitle);
 117 $PAGE->set_heading($strtitle);
 118 echo $OUTPUT->header();
 119 // if messaging is disabled on site, we can still allow users with capabilities to send emails instead
 120 if (empty($CFG->messaging)) {
 121     echo $OUTPUT->notification(get_string('messagingdisabled','message'));
 122 }
 123
 124 if ($count) {
 125     if ($count == 1) {
 126         $heading = get_string('addedrecip','moodle',$count);
 127     } else {
 128         $heading = get_string('addedrecips','moodle',$count);
 129     }
 130     echo $OUTPUT->heading($heading);
 131 }
 132
 133 if (!empty($messagebody) && !$edit && !$deluser && ($preview || $send)) {
 134     require_sesskey();
 135     if (count($SESSION->emailto[$id])) {
 136         if (!empty($preview)) {
 137             echo '<form method="post" action="messageselect.php" style="margin: 0 20px;">
 138 <input type="hidden" name="returnto" value="'.s($returnto).'" />
 139 <input type="hidden" name="id" value="'.$id.'" />
 140 <input type="hidden" name="format" value="'.$format.'" />
 141 <input type="hidden" name="sesskey" value="' . sesskey() . '" />
 142 ';
 143             echo "<h3>".get_string('previewhtml')."</h3><div class=\"messagepreview\">\n".format_text($messagebody,$format)."\n</div>\n";
 144             echo '<p align="center"><input type="submit" name="send" value="'.get_string('sendmessage', 'message').'" />'."\n";
 145             echo '<input type="submit" name="edit" value="'.get_string('update').'" /></p>';
 146             echo "\n</form>";
 147         } else if (!empty($send)) {
 148             $good = 1;
 149             foreach ($SESSION->emailto[$id] as $user) {
 150                 $good = $good && message_post_message($USER,$user,$messagebody,$format);
 151             }
 152             if (!empty($good)) {
 153                 echo $OUTPUT->heading(get_string('messagedselectedusers'));
 154                 unset($SESSION->emailto[$id]);
 155                 unset($SESSION->emailselect[$id]);
 156             } else {
 157                 echo $OUTPUT->heading(get_string('messagedselectedusersfailed'));
 158             }
 159             echo '<p align="center"><a href="index.php?id='.$id.'">'.get_string('backtoparticipants').'</a></p>';
 160         }
 161         echo $OUTPUT->footer();
 162         exit;
 163     } else {
 164         echo $OUTPUT->notification(get_string('nousersyet'));
 165     }
 166 }
 167
 168 echo '<p align="center"><a href="'.$returnto.'">'.get_string("keepsearching").'</a>'.((count($SESSION->emailto[$id])) ? ', '.get_string('usemessageform') : '').'</p>';
 169
 170 if ((!empty($send) || !empty($preview) || !empty($edit)) && (empty($messagebody))) {
 171     echo $OUTPUT->notification(get_string('allfieldsrequired'));
 172 }
 173
 174 if (count($SESSION->emailto[$id])) {
 175     require_sesskey();
 176     $usehtmleditor = can_use_html_editor();
 177     require("message.html");
 178 }
 179
 180 echo $OUTPUT->footer();
 181
 182