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
  21     $coursecontext = get_context_instance(CONTEXT_COURSE, $id);   // Course context
  22     $systemcontext = get_context_instance(CONTEXT_SYSTEM);   // SYSTEM context
  23     require_capability('moodle/course:bulkmessaging', $coursecontext);
  24
  25     if (empty($SESSION->emailto)) {
  26         $SESSION->emailto = array();
  27     }
  28     if (!array_key_exists($id,$SESSION->emailto)) {
  29         $SESSION->emailto[$id] = array();
  30     }
  31
  32     if ($deluser) {
  33         if (array_key_exists($id,$SESSION->emailto) && array_key_exists($deluser,$SESSION->emailto[$id])) {
  34             unset($SESSION->emailto[$id][$deluser]);
  35         }
  36     }
  37
  38     if (empty($SESSION->emailselect[$id]) || $messagebody) {
  39         $SESSION->emailselect[$id] = array('messagebody' => $messagebody);
  40     }
  41
  42     $messagebody = $SESSION->emailselect[$id]['messagebody'];
  43
  44     $count = 0;
  45
  46     foreach ($_POST as $k => $v) {
  47         if (preg_match('/^(user|teacher)(\d+)$/',$k,$m)) {
  48             if (!array_key_exists($m[2],$SESSION->emailto[$id])) {
  49                 if ($user = get_record_select('user','id = '.$m[2],'id,firstname,lastname,idnumber,email,emailstop,mailformat,lastaccess')) {
  50                     $SESSION->emailto[$id][$m[2]] = $user;
  51                     $SESSION->emailto[$id][$m[2]]->teacher = ($m[1] == 'teacher');
  52                     $count++;
  53                 }
  54             }
  55         }
  56     }
  57
  58     $strtitle = get_string('coursemessage');
  59
  60     if (empty($messagebody)) {
  61         $formstart = "theform.messagebody";
  62     } else {
  63         $formstart = "";
  64     }
  65
  66     $navlinks = array();
  67     if (has_capability('moodle/course:viewparticipants', $coursecontext) || has_capability('moodle/site:viewparticipants', $systemcontext)) {
  68         $navlinks[] = array('name' => get_string('participants'), 'link' => "index.php?id=$course->id", 'type' => 'misc');
  69     }
  70     $navlinks[] = array('name' => $strtitle, 'link' => null, 'type' => 'misc');
  71     $navigation = build_navigation($navlinks);
  72
  73     print_header($strtitle,$strtitle,$navigation,$formstart);
  74
  75     // if messaging is disabled on site, we can still allow users with capabilities to send emails instead
  76     if (empty($CFG->messaging)) {
  77         notify(get_string('messagingdisabled','message'));
  78     }
  79
  80     if ($count) {
  81         if ($count == 1) {
  82             $heading =  get_string('addedrecip','moodle',$count);
  83         } else {
  84             $heading = get_string('addedrecips','moodle',$count);
  85         }
  86         print_heading($heading);
  87     }
  88
  89     if (!empty($messagebody) && !$edit && !$deluser && ($preview || $send)) {
  90         if (count($SESSION->emailto[$id])) {
  91             if (!empty($preview)) {
  92                 echo '<form method="post" action="messageselect.php" style="margin: 0 20px;">
  93 <input type="hidden" name="returnto" value="'.s($returnto).'" />
  94 <input type="hidden" name="id" value="'.$id.'" />
  95 <input type="hidden" name="format" value="'.$format.'" />
  96 ';
  97                 echo "<h3>".get_string('previewhtml')."</h3><div class=\"messagepreview\">\n".format_text(stripslashes($messagebody),$format)."\n</div>\n";
  98                 echo '<p align="center"><input type="submit" name="send" value="'.get_string('sendmessage', 'message').'" />'."\n";
  99                 echo '<input type="submit" name="edit" value="'.get_string('update').'" /></p>';
 100                 echo "\n</form>";
 101             } else if (!empty($send)) {
 102                 $good = 1;
 103                 $teachers = array();
 104                 foreach ($SESSION->emailto[$id] as $user) {
 105                     $good = $good && message_post_message($USER,$user,addslashes($messagebody),$format,'direct');
 106                     if ($user->teacher) {
 107                         $teachers[] = $user->id;
 108                     }
 109                 }
 110                 if (!empty($good)) {
 111                     print_heading(get_string('messagedselectedusers'));
 112                     unset($SESSION->emailto[$id]);
 113                     unset($SESSION->emailselect[$id]);
 114                 } else {
 115                     print_heading(get_string('messagedselectedusersfailed'));
 116                 }
 117                 echo '<p align="center"><a href="index.php?id='.$id.'">'.get_string('backtoparticipants').'</a></p>';
 118             }
 119             print_footer();
 120             exit;
 121         } else {
 122             notify(get_string('nousersyet'));
 123         }
 124     }
 125
 126     echo '<p align="center"><a href="'.$returnto.'">'.get_string("keepsearching").'</a>'.((count($SESSION->emailto[$id])) ? ', '.get_string('usemessageform') : '').'</p>';
 127
 128     if ((!empty($send) || !empty($preview) || !empty($edit)) && (empty($messagebody))) {
 129         notify(get_string('allfieldsrequired'));
 130     }
 131
 132     if (count($SESSION->emailto[$id])) {
 133         $usehtmleditor = can_use_richtext_editor();
 134         require("message.html");
 135         if ($usehtmleditor) {
 136             use_html_editor("messagebody");
 137         }
 138     }
 139
 140     print_footer();
 141
 142
 143 ?>