user/messageselect.php

   1 <?php
   2 {
   3     require_once('../config.php');
   4     require_once($CFG->dirroot.'/message/lib.php');
   5
   6     $id = required_param('id',PARAM_INT);
   7     $messagebody = optional_param('messagebody','',PARAM_CLEANHTML);
   8     $send = optional_param('send','',PARAM_ALPHA);
   9     $returnto = optional_param('returnto','',PARAM_LOCALURL);
  10     $preview = optional_param('preview','',PARAM_ALPHA);
  11     $format = optional_param('format',FORMAT_MOODLE,PARAM_INT);
  12     $edit = optional_param('edit','',PARAM_ALPHA);
  13     $deluser = optional_param('deluser',0,PARAM_INT);
  14
  15     if (!$course = get_record('course','id',$id)) {
  16         error("Invalid course id");
  17     }
  18
  19     require_login();
  20     require_capability('moodle/site:readallmessages', get_context_instance(CONTEXT_COURSE, $id));
  21
  22     // fix for MDL-10112
  23     if (empty($CFG->messaging)) {
  24         error("Messaging is disabled on this site");
  25     }
  26
  27     if (empty($SESSION->emailto)) {
  28         $SESSION->emailto = array();
  29     }
  30     if (!array_key_exists($id,$SESSION->emailto)) {
  31         $SESSION->emailto[$id] = array();
  32     }
  33
  34     if ($deluser) {
  35         if (array_key_exists($id,$SESSION->emailto) && array_key_exists($deluser,$SESSION->emailto[$id])) {
  36             unset($SESSION->emailto[$id][$deluser]);
  37         }
  38     }
  39
  40     if (empty($SESSION->emailselect[$id]) || $messagebody) {
  41         $SESSION->emailselect[$id] = array('messagebody' => $messagebody);
  42     }
  43
  44     $messagebody = $SESSION->emailselect[$id]['messagebody'];
  45
  46     $count = 0;
  47
  48     foreach ($_POST as $k => $v) {
  49         if (preg_match('/^(user|teacher)(\d+)$/',$k,$m)) {
  50             if (!array_key_exists($m[2],$SESSION->emailto[$id])) {
  51                 if ($user = get_record_select('user','id = '.$m[2],'id,firstname,lastname,idnumber,email,emailstop,mailformat,lastaccess')) {
  52                     $SESSION->emailto[$id][$m[2]] = $user;
  53                     $SESSION->emailto[$id][$m[2]]->teacher = ($m[1] == 'teacher');
  54                     $count++;
  55                 }
  56             }
  57         }
  58     }
  59
  60     $strtitle = get_string('coursemessage');
  61
  62     if (empty($messagebody)) {
  63         $formstart = "theform.messagebody";
  64     } else {
  65         $formstart = "";
  66     }
  67
  68     $navlinks = array();
  69     $navlinks[] = array('name' => get_string('participants'), 'link' => "index.php?id=$course->id", 'type' => 'misc');
  70     $navlinks[] = array('name' => $strtitle, 'link' => null, 'type' => 'misc');
  71     $navigation = build_navigation($navlinks);
  72
  73     print_header($strtitle,$strtitle,$navigation,$formstart);
  74
  75
  76     if ($count) {
  77         if ($count == 1) {
  78             $heading =  get_string('addedrecip','moodle',$count);
  79         } else {
  80             $heading = get_string('addedrecips','moodle',$count);
  81         }
  82         print_heading($heading);
  83     }
  84
  85     if (!empty($messagebody) && !$edit && !$deluser && ($preview || $send)) {
  86         if (count($SESSION->emailto[$id])) {
  87             if ($preview) {
  88                 echo '<form method="post" action="messageselect.php" style="margin: 0 20px;">
  89 <input type="hidden" name="returnto" value="'.stripslashes($returnto).'" />
  90 <input type="hidden" name="id" value="'.$id.'" />
  91 <input type="hidden" name="format" value="'.$format.'" />
  92 ';
  93                 echo "<h3>".get_string('previewhtml')."</h3><div class=\"messagepreview\">\n".format_text(stripslashes($messagebody),$format)."\n</div>";
  94                 echo "\n<p align=\"center\"><input type=\"submit\" name=\"send\" value=\"Send\" /> <input type=\"submit\" name=\"edit\" value=\"Edit\" /></p>\n</form>";
  95             } elseif ($send) {
  96                 $good = 1;
  97                 $teachers = array();
  98                 foreach ($SESSION->emailto[$id] as $user) {
  99                     $good = $good && message_post_message($USER,$user,addslashes($messagebody),$format,'direct');
 100                     if ($user->teacher) {
 101                         $teachers[] = $user->id;
 102                     }
 103                 }
 104                 if ($good) {
 105                     print_heading(get_string('messagedselectedusers'));
 106                     unset($SESSION->emailto[$id]);
 107                     unset($SESSION->emailselect[$id]);
 108                 } else {
 109                     print_heading(get_string('messagedselectedusersfailed'));
 110                 }
 111                 echo '<p align="center"><a href="index.php?id='.$id.'">'.get_string('backtoparticipants').'</a></p>';
 112             }
 113             print_footer();
 114             exit;
 115         } else {
 116             notify(get_string('nousersyet'));
 117         }
 118     }
 119
 120     echo '<p align="center"><a href="'.$returnto.'">'.get_string("keepsearching").'</a>'.((count($SESSION->emailto[$id])) ? ', '.get_string('usemessageform') : '').'</p>';
 121
 122     if ((!empty($send) || !empty($preview) || !empty($edit)) && (empty($messagebody))) {
 123         notify(get_string('allfieldsrequired'));
 124     }
 125
 126     if (count($SESSION->emailto[$id])) {
 127         $usehtmleditor = can_use_richtext_editor();
 128         require("message.html");
 129         if ($usehtmleditor) {
 130             use_html_editor("messagebody");
 131         }
 132     }
 133
 134     print_footer();
 135
 136 }
 137 ?>