user/messageselect.php

   1 <?php // $Id$
   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_RAW);   // Content is actually treated as boolean
   9     $preview = optional_param('preview','',PARAM_RAW);   // Content is actually treated as boolean
  10     $edit = optional_param('edit','',PARAM_RAW);   // Content is actually treated as boolean
  11     $returnto = optional_param('returnto','',PARAM_LOCALURL);
  12     $format = optional_param('format',FORMAT_MOODLE,PARAM_INT);
  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/course:bulkmessaging', get_context_instance(CONTEXT_COURSE, $id));
  21
  22     if (empty($SESSION->emailto)) {
  23         $SESSION->emailto = array();
  24     }
  25     if (!array_key_exists($id,$SESSION->emailto)) {
  26         $SESSION->emailto[$id] = array();
  27     }
  28
  29     if ($deluser) {
  30         if (array_key_exists($id,$SESSION->emailto) && array_key_exists($deluser,$SESSION->emailto[$id])) {
  31             unset($SESSION->emailto[$id][$deluser]);
  32         }
  33     }
  34
  35     if (empty($SESSION->emailselect[$id]) || $messagebody) {
  36         $SESSION->emailselect[$id] = array('messagebody' => $messagebody);
  37     }
  38
  39     $messagebody = $SESSION->emailselect[$id]['messagebody'];
  40
  41     $count = 0;
  42
  43     foreach ($_POST as $k => $v) {
  44         if (preg_match('/^(user|teacher)(\d+)$/',$k,$m)) {
  45             if (!array_key_exists($m[2],$SESSION->emailto[$id])) {
  46                 if ($user = get_record_select('user','id = '.$m[2],'id,firstname,lastname,idnumber,email,emailstop,mailformat,lastaccess')) {
  47                     $SESSION->emailto[$id][$m[2]] = $user;
  48                     $SESSION->emailto[$id][$m[2]]->teacher = ($m[1] == 'teacher');
  49                     $count++;
  50                 }
  51             }
  52         }
  53     }
  54
  55     $strtitle = get_string('coursemessage');
  56
  57     if (empty($messagebody)) {
  58         $formstart = "theform.messagebody";
  59     } else {
  60         $formstart = "";
  61     }
  62
  63     print_header($strtitle,$strtitle,"<a href=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->shortname</a> -> <a href=\"index.php?id=$course->id\">".get_string("participants")."</a> -> ".$strtitle,$formstart);
  64
  65     // if messaging is disabled on site, we can still allow users with capabilities to send emails instead
  66     if (empty($CFG->messaging)) {
  67         notify(get_string('messagingdisabled','message'));
  68     }
  69
  70     if ($count) {
  71         if ($count == 1) {
  72             $heading =  get_string('addedrecip','moodle',$count);
  73         } else {
  74             $heading = get_string('addedrecips','moodle',$count);
  75         }
  76         print_heading($heading);
  77     }
  78
  79     if (!empty($messagebody) && !$edit && !$deluser && ($preview || $send)) {
  80         if (count($SESSION->emailto[$id])) {
  81             if (!empty($preview)) {
  82                 echo '<form method="post" action="messageselect.php" style="margin: 0 20px;">
  83 <input type="hidden" name="returnto" value="'.s($returnto).'" />
  84 <input type="hidden" name="id" value="'.$id.'" />
  85 <input type="hidden" name="format" value="'.$format.'" />
  86 ';
  87                 echo "<h3>".get_string('previewhtml')."</h3><div class=\"messagepreview\">\n".format_text(stripslashes($messagebody),$format)."\n</div>";
  88                 echo "\n<p align=\"center\"><input type=\"submit\" name=\"send\" value=\"".get_string('sendmessage', 'message')."\" /> <input type=\"submit\" name=\"edit\" value=\"".get_string('update')."\" /></p>\n</form>";
  89
  90             } else if (!empty($send)) {
  91                 $good = 1;
  92                 $teachers = array();
  93                 foreach ($SESSION->emailto[$id] as $user) {
  94                     $good = $good && message_post_message($USER,$user,addslashes($messagebody),$format,'direct');
  95                     if ($user->teacher) {
  96                         $teachers[] = $user->id;
  97                     }
  98                 }
  99                 if (!empty($good)) {
 100                     print_heading(get_string('messagedselectedusers'));
 101                     unset($SESSION->emailto[$id]);
 102                     unset($SESSION->emailselect[$id]);
 103                 } else {
 104                     print_heading(get_string('messagedselectedusersfailed'));
 105                 }
 106                 echo '<p align="center"><a href="index.php?id='.$id.'">'.get_string('backtoparticipants').'</a></p>';
 107             }
 108             print_footer();
 109             exit;
 110         } else {
 111             notify(get_string('nousersyet'));
 112         }
 113     }
 114
 115     echo '<p align="center"><a href="'.$returnto.'">'.get_string("keepsearching").'</a>'.((count($SESSION->emailto[$id])) ? ', '.get_string('usemessageform') : '').'</p>';
 116
 117     if ((!empty($send) || !empty($preview) || !empty($edit)) && (empty($messagebody))) {
 118         notify(get_string('allfieldsrequired'));
 119     }
 120
 121     if (count($SESSION->emailto[$id])) {
 122         $usehtmleditor = can_use_richtext_editor();
 123         require("message.html");
 124         if ($usehtmleditor) {
 125             use_html_editor("messagebody");
 126         }
 127     }
 128
 129     print_footer();
 130
 131
 132 ?>