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  * Copied from Moodle 3.3 messageselect.php - allows sending messages to multiple users.
  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 mod_attendance
  23  */
  24 require_once('../../config.php');
  25 require_once($CFG->dirroot.'/message/lib.php');
  26 $id = required_param('id', PARAM_INT);
  27 $messagebody = optional_param('messagebody', '', PARAM_CLEANHTML);
  28 $send = optional_param('send', '', PARAM_BOOL);
  29 $preview = optional_param('preview', '', PARAM_BOOL);
  30 $edit = optional_param('edit', '', PARAM_BOOL);
  31 $returnto = optional_param('returnto', '', PARAM_LOCALURL);
  32 $format = optional_param('format', FORMAT_MOODLE, PARAM_INT);
  33 $deluser = optional_param('deluser', 0, PARAM_INT);
  34 $url = new moodle_url('/user/messageselect.php', array('id' => $id));
  35 if ($messagebody !== '') {
  36     $url->param('messagebody', $messagebody);
  37 }
  38 if ($send !== '') {
  39     $url->param('send', $send);
  40 }
  41 if ($preview !== '') {
  42     $url->param('preview', $preview);
  43 }
  44 if ($edit !== '') {
  45     $url->param('edit', $edit);
  46 }
  47 if ($returnto !== '') {
  48     $url->param('returnto', $returnto);
  49 }
  50 if ($format !== FORMAT_MOODLE) {
  51     $url->param('format', $format);
  52 }
  53 if ($deluser !== 0) {
  54     $url->param('deluser', $deluser);
  55 }
  56 $PAGE->set_url($url);
  57 if (!$course = $DB->get_record('course', array('id' => $id))) {
  58     print_error('invalidcourseid');
  59 }
  60 require_login($course);
  61 $coursecontext = context_course::instance($id);   // Course context.
  62 $systemcontext = context_system::instance();   // SYSTEM context.
  63 require_capability('moodle/course:bulkmessaging', $coursecontext);
  64 if (empty($SESSION->emailto)) {
  65     $SESSION->emailto = array();
  66 }
  67 if (!array_key_exists($id, $SESSION->emailto)) {
  68     $SESSION->emailto[$id] = array();
  69 }
  70 if ($deluser) {
  71     if (array_key_exists($id, $SESSION->emailto) && array_key_exists($deluser, $SESSION->emailto[$id])) {
  72         unset($SESSION->emailto[$id][$deluser]);
  73     }
  74 }
  75 if (empty($SESSION->emailselect[$id]) || $messagebody) {
  76     $SESSION->emailselect[$id] = array('messagebody' => $messagebody);
  77 }
  78 $messagebody = $SESSION->emailselect[$id]['messagebody'];
  79 $count = 0;
  80 if ($data = data_submitted()) {
  81     require_sesskey();
  82     $namefields = get_all_user_name_fields(true);
  83     foreach ($data as $k => $v) {
  84         if (preg_match('/^(user|teacher)(\d+)$/', $k, $m)) {
  85             if (!array_key_exists($m[2], $SESSION->emailto[$id])) {
  86                 if ($user = $DB->get_record_select('user', "id = ?", array($m[2]), 'id, '.
  87                     $namefields . ', idnumber, email, mailformat, lastaccess, lang, '.
  88                     'maildisplay, auth, suspended, deleted, emailstop, username')) {
  89                     $SESSION->emailto[$id][$m[2]] = $user;
  90                     $count++;
  91                 }
  92             }
  93         }
  94     }
  95 }
  96 if ($course->id == SITEID) {
  97     $strtitle = get_string('sitemessage');
  98     $PAGE->set_pagelayout('admin');
  99 } else {
 100     $strtitle = get_string('coursemessage');
 101     $PAGE->set_pagelayout('incourse');
 102 }
 103 $link = null;
 104 if (has_capability('moodle/course:viewparticipants', $coursecontext) ||
 105     has_capability('moodle/site:viewparticipants', $systemcontext)) {
 106     $link = new moodle_url("/user/index.php", array('id' => $course->id));
 107 }
 108 $PAGE->navbar->add(get_string('participants'), $link);
 109 $PAGE->navbar->add($strtitle);
 110 $PAGE->set_title($strtitle);
 111 $PAGE->set_heading($strtitle);
 112 echo $OUTPUT->header();
 113
 114 if ($count) {
 115     if ($count == 1) {
 116         $heading = get_string('addedrecip', 'moodle', $count);
 117     } else {
 118         $heading = get_string('addedrecips', 'moodle', $count);
 119     }
 120     echo $OUTPUT->heading($heading);
 121 }
 122 if (!empty($messagebody) && !$edit && !$deluser && ($preview || $send)) {
 123     require_sesskey();
 124     if (count($SESSION->emailto[$id])) {
 125         if (!empty($preview)) {
 126             echo '<form method="post" action="messageselect.php" style="margin: 0 20px;">
 127 <input type="hidden" name="returnto" value="'.s($returnto).'" />
 128 <input type="hidden" name="id" value="'.$id.'" />
 129 <input type="hidden" name="format" value="'.$format.'" />
 130 <input type="hidden" name="sesskey" value="' . sesskey() . '" />
 131 ';
 132             echo "<h3>".get_string('previewhtml')."</h3>";
 133             echo "<div class=\"messagepreview\">\n".format_text($messagebody, $format)."\n</div>\n";
 134             echo '<p align="center"><input type="submit" name="send" value="'.get_string('sendmessage', 'message').'" />'."\n";
 135             echo '<input type="submit" name="edit" value="'.get_string('update').'" /></p>';
 136             echo "\n</form>";
 137         } else if (!empty($send)) {
 138             $fails = array();
 139             foreach ($SESSION->emailto[$id] as $user) {
 140                 if (!message_post_message($USER, $user, $messagebody, $format)) {
 141                     $user->fullname = fullname($user);
 142                     $fails[] = get_string('messagedselecteduserfailed', 'moodle', $user);
 143                 };
 144             }
 145             if (empty($fails)) {
 146                 echo $OUTPUT->heading(get_string('messagedselectedusers'));
 147                 unset($SESSION->emailto[$id]);
 148                 unset($SESSION->emailselect[$id]);
 149             } else {
 150                 echo $OUTPUT->heading(get_string('messagedselectedcountusersfailed', 'moodle', count($fails)));
 151                 echo '<ul>';
 152                 foreach ($fails as $f) {
 153                     echo '<li>', $f, '</li>';
 154                 }
 155                 echo '</ul>';
 156             }
 157             echo '<p align="center"><a href="index.php?id='.$id.'">'.get_string('backtoparticipants').'</a></p>';
 158         }
 159         echo $OUTPUT->footer();
 160         exit;
 161     } else {
 162         echo $OUTPUT->notification(get_string('nousersyet'));
 163     }
 164 }
 165 echo '<p align="center"><a href="'.$returnto.'">'.get_string("keepsearching").'</a>'.
 166     ((count($SESSION->emailto[$id])) ? ', '.get_string('usemessageform') : '').'</p>';
 167 if ((!empty($send) || !empty($preview) || !empty($edit)) && (empty($messagebody))) {
 168     echo $OUTPUT->notification(get_string('allfieldsrequired'));
 169 }
 170 if (count($SESSION->emailto[$id])) {
 171     require_sesskey();
 172     require("message.html");
 173 }
 174 $PAGE->requires->yui_module('moodle-core-formchangechecker',
 175     'M.core_formchangechecker.init',
 176     array(array(
 177         'formid' => 'theform'
 178     ))
 179 );
 180 $PAGE->requires->string_for_js('changesmadereallygoaway', 'moodle');
 181 echo $OUTPUT->footer();