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, $id));
  21
  22     if (empty($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,$formstart);
  64
  65
  66     if ($count) {
  67         if ($count == 1) {
  68             $heading =  get_string('addedrecip','moodle',$count);
  69         } else {
  70             $heading = get_string('addedrecips','moodle',$count);
  71         }
  72         print_heading($heading);
  73     }
  74
  75     if (!empty($messagebody) && !$edit && !$deluser && ($preview || $send)) {
  76         if (count($SESSION->emailto[$id])) {
  77             if ($preview) {
  78                 echo '<form method="post" action="messageselect.php" style="margin: 0 20px;">
  79 <input type="hidden" name="returnto" value="'.stripslashes($returnto).'">
  80 <input type="hidden" name="id" value="'.$id.'">
  81 <input type="hidden" name="format" value="'.$format.'">
  82 ';
  83                 echo "<h3>".get_string('previewhtml')."</h3><div class=\"messagepreview\">\n".format_text(stripslashes($messagebody),$format)."\n</div>";
  84                 echo "\n<p align=\"center\"><input type=\"submit\" name=\"send\" value=\"Send\" /> <input type=\"submit\" name=\"edit\" value=\"Edit\" /></p>\n</form>";
  85             } elseif ($send) {
  86                 $good = 1;
  87                 $teachers = array();
  88                 foreach ($SESSION->emailto[$id] as $user) {
  89                     $good = $good && message_post_message($USER,$user,addslashes($messagebody),$format,'direct');
  90                     if ($user->teacher) {
  91                         $teachers[] = $user->id;
  92                     }
  93                 }
  94                 if ($good) {
  95                     print_heading(get_string('messagedselectedusers'));
  96                     unset($SESSION->emailto[$id]);
  97                     unset($SESSION->emailselect[$id]);
  98                 } else {
  99                     print_heading(get_string('messagedselectedusersfailed'));
 100                 }
 101                 echo '<p align="center"><a href="index.php?id='.$id.'">'.get_string('backtoparticipants').'</a></p>';
 102             }
 103             print_footer();
 104             exit;
 105         } else {
 106             notify(get_string('nousersyet'));
 107         }
 108     }
 109
 110     echo '<p align="center"><a href="'.$returnto.'">'.get_string("keepsearching").'</a>'.((count($SESSION->emailto[$id])) ? ', '.get_string('usemessageform') : '').'</p>';
 111
 112     if ((!empty($send) || !empty($preview) || !empty($edit)) && (empty($messagebody))) {
 113         notify(get_string('allfieldsrequired'));
 114     }
 115
 116     if (count($SESSION->emailto[$id])) {
 117         $usehtmleditor = can_use_richtext_editor();
 118         require("message.html");
 119         if ($usehtmleditor) {
 120             use_html_editor("messagebody");
 121         }
 122     }
 123
 124     print_footer();
 125
 126 }
 127 ?>