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
  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, maildisplay')) {
 101                     $SESSION->emailto[$id][$m[2]] = $user;
 102                     $count++;
 103                 }
 104             }
 105         }
 106     }
 107 }
 108
 109 $strtitle = get_string('coursemessage');
 110
 111 $link = null;
 112 if (has_capability('moodle/course:viewparticipants', $coursecontext) || has_capability('moodle/site:viewparticipants', $systemcontext)) {
 113     $link = new moodle_url("/user/index.php", array('id'=>$course->id));
 114 }
 115 $PAGE->navbar->add(get_string('participants'), $link);
 116 $PAGE->navbar->add($strtitle);
 117 $PAGE->set_title($strtitle);
 118 $PAGE->set_heading($strtitle);
 119 echo $OUTPUT->header();
 120 // if messaging is disabled on site, we can still allow users with capabilities to send emails instead
 121 if (empty($CFG->messaging)) {
 122     echo $OUTPUT->notification(get_string('messagingdisabled','message'));
 123 }
 124
 125 if ($count) {
 126     if ($count == 1) {
 127         $heading = get_string('addedrecip','moodle',$count);
 128     } else {
 129         $heading = get_string('addedrecips','moodle',$count);
 130     }
 131     echo $OUTPUT->heading($heading);
 132 }
 133
 134 if (!empty($messagebody) && !$edit && !$deluser && ($preview || $send)) {
 135     require_sesskey();
 136     if (count($SESSION->emailto[$id])) {
 137         if (!empty($preview)) {
 138             echo '<form method="post" action="messageselect.php" style="margin: 0 20px;">
 139 <input type="hidden" name="returnto" value="'.s($returnto).'" />
 140 <input type="hidden" name="id" value="'.$id.'" />
 141 <input type="hidden" name="format" value="'.$format.'" />
 142 <input type="hidden" name="sesskey" value="' . sesskey() . '" />
 143 ';
 144             echo "<h3>".get_string('previewhtml')."</h3><div class=\"messagepreview\">\n".format_text($messagebody,$format)."\n</div>\n";
 145             echo '<p align="center"><input type="submit" name="send" value="'.get_string('sendmessage', 'message').'" />'."\n";
 146             echo '<input type="submit" name="edit" value="'.get_string('update').'" /></p>';
 147             echo "\n</form>";
 148         } else if (!empty($send)) {
 149             $good = 1;
 150             foreach ($SESSION->emailto[$id] as $user) {
 151                 $good = $good && message_post_message($USER,$user,$messagebody,$format);
 152             }
 153             if (!empty($good)) {
 154                 echo $OUTPUT->heading(get_string('messagedselectedusers'));
 155                 unset($SESSION->emailto[$id]);
 156                 unset($SESSION->emailselect[$id]);
 157             } else {
 158                 echo $OUTPUT->heading(get_string('messagedselectedusersfailed'));
 159             }
 160             echo '<p align="center"><a href="index.php?id='.$id.'">'.get_string('backtoparticipants').'</a></p>';
 161         }
 162         echo $OUTPUT->footer();
 163         exit;
 164     } else {
 165         echo $OUTPUT->notification(get_string('nousersyet'));
 166     }
 167 }
 168
 169 echo '<p align="center"><a href="'.$returnto.'">'.get_string("keepsearching").'</a>'.((count($SESSION->emailto[$id])) ? ', '.get_string('usemessageform') : '').'</p>';
 170
 171 if ((!empty($send) || !empty($preview) || !empty($edit)) && (empty($messagebody))) {
 172     echo $OUTPUT->notification(get_string('allfieldsrequired'));
 173 }
 174
 175 if (count($SESSION->emailto[$id])) {
 176     require_sesskey();
 177     $usehtmleditor = can_use_html_editor();
 178     require("message.html");
 179 }
 180
 181 echo $OUTPUT->footer();
 182
 183