mods/_standard/course_email/course_email.php

   1 <?php
   2 /************************************************************************/
   3 /* ATutor                                                                                                                               */
   4 /************************************************************************/
   5 /* Copyright (c) 2002-2010                                              */
   6 /* Inclusive Design Institute                                           */
   7 /* http://atutor.ca                                                     */
   8 /* This program is free software. You can redistribute it and/or        */
   9 /* modify it under the terms of the GNU General Public License          */
  10 /* as published by the Free Software Foundation.                        */
  11 /************************************************************************/
  12 // $Id$
  13
  14 define('AT_INCLUDE_PATH', '../../../include/');
  15 require (AT_INCLUDE_PATH.'vitals.inc.php');
  16 authenticate(AT_PRIV_COURSE_EMAIL);
  17
  18 $course = intval($_GET['course']);
  19
  20 if ($course == 0) {
  21         $course = $_SESSION['course_id'];
  22 }
  23
  24 if (isset($_POST['cancel'])) {
  25         $msg->addFeedback('CANCELLED');
  26         header('Location: '.$_base_href.'tools/index.php');
  27         exit;
  28 } else if (isset($_POST['submit'])) {
  29         $missing_fields = array();
  30
  31         $_POST['to_enrolled']   = trim($_POST['to_enrolled']);
  32         $_POST['to_unenrolled'] = trim($_POST['to_unenrolled']);
  33         $_POST['to_alumni']     = trim($_POST['to_alumni']);
  34         $_POST['to_assistants'] = trim($_POST['to_assistants']);
  35
  36         $_POST['subject'] = trim($_POST['subject']);
  37         $_POST['body'] = trim($_POST['body']);
  38
  39         if ( ($_POST['to_enrolled']   == '') &&
  40                  ($_POST['to_unenrolled'] == '') &&
  41                  ($_POST['to_alumni']     == '') &&
  42                  ($_POST['to_assistants'] == '') &&
  43                  ($_POST['groups']        == '')
  44                 ) {
  45                         $missing_fields[] = _AT('to');
  46         }
  47
  48         if ($_POST['subject'] == '') {
  49                 $missing_fields[] = _AT('subject');
  50         }
  51
  52         if ($_POST['body'] == '') {
  53                 $missing_fields[] = _AT('body');
  54         }
  55
  56         if ($missing_fields) {
  57                 $missing_fields = implode(', ', $missing_fields);
  58                 $msg->addError(array('EMPTY_FIELDS', $missing_fields));
  59         }
  60
  61         if (!$msg->containsErrors()) {
  62                 $email_sql      = "SELECT email, first_name, last_name, login, password  FROM ".TABLE_PREFIX."course_enrollment C INNER JOIN ".TABLE_PREFIX."members M USING (member_id) WHERE C.course_id=$course AND (";
  63
  64                 if ($_POST['to_unenrolled']) {
  65                         // choose all unenrolled
  66                         $email_sql .= "C.approved='n' OR ";
  67                 }
  68
  69                 if ($_POST['to_alumni']) {
  70                         // choose all alumni
  71                         $email_sql      .= "C.approved='a' OR ";
  72                 }
  73
  74                 if ($_POST['to_assistants']){
  75                         // choose all assistants
  76                         $email_sql      .= "C.privileges<>0 OR ";
  77                 }
  78
  79                 if ($_POST['groups']) {
  80                         // specific groups
  81                         $groups = implode(',', $_POST['groups']);
  82
  83                         $group_members = array();
  84                         $sql = "SELECT member_id FROM ".TABLE_PREFIX."groups_members WHERE group_id IN ($groups)";
  85                         $result = mysql_query($sql, $db);
  86                         while ($row = mysql_fetch_assoc($result)) {
  87                                 $group_members[] = $row['member_id'];
  88                         }
  89                         $group_members = implode(',', $group_members);
  90                         if (!empty($group_members)){
  91                                 $email_sql .= "M.member_id IN ($group_members) OR ";
  92                         } else {
  93                                 $email_sql .= "M.member_id IN (-1) OR ";
  94                         }
  95                 } else if ($_POST['to_enrolled']) {
  96                         // includes instructor
  97                         $email_sql      .= "(C.approved='y' AND C.privileges=0) OR ";
  98                 }
  99
 100                 $email_sql = substr_replace($email_sql, '', -4). ')'; // strip off the last ' OR '
 101                 $result = mysql_query($email_sql,$db);
 102
 103                 require(AT_INCLUDE_PATH . 'classes/phpmailer/atutormailer.class.php');
 104
 105                 // generate email recipients
 106                 $mail_list = array();
 107                 while ($row = mysql_fetch_assoc($result)) {
 108                         $mail_list[]=$row['email'];
 109                         $fname_list[$row['email']] = $row['first_name'];
 110                         $lname_list[$row['email']] = $row['last_name'];
 111                         $login_list[$row['email']] = $row['login'];
 112                 }
 113
 114                 // Get instructor ID.
 115                 $result = mysql_query("SELECT member_id FROM ".TABLE_PREFIX."courses WHERE course_id=$course",$db);
 116                 $row = mysql_fetch_assoc($result);
 117                 $instructor_id = $row['member_id'];
 118
 119                 // Add instructor to email list if he is not the one sending email.
 120                 if ($instructor_id != $_SESSION['member_id']) {
 121                         //$sql = "SELECT email FROM ".TABLE_PREFIX."members WHERE member_id=$instructor_id";
 122                         $sql = "SELECT email FROM ".TABLE_PREFIX."members WHERE member_id=$instructor_id";
 123                         $result = mysql_query($sql, $db);
 124                         $row = mysql_fetch_assoc($result);
 125                         $mail_list[]= $row['email'];
 126                 }
 127
 128                 // Get the sender.
 129                 $result = mysql_query("SELECT email, first_name, last_name,login,password FROM ".TABLE_PREFIX."members WHERE member_id=$_SESSION[member_id]", $db);
 130                 $row    = mysql_fetch_assoc($result);
 131                 $mail_list[] = $row['email'];
 132         // Prep the mailer.
 133                 // set some user specific variables for the body (
 134                 // Added by Thomas Taennier (ipool)
 135                 foreach ($mail_list as $recip) {
 136                         $subject = $_POST['subject'];
 137                         $body = $_POST['body'];
 138                         $mail = new ATutorMailer;
 139                         $mail->From     = $row['email'];
 140                         $mail->FromName = $row['first_name'] . ' ' . $row['last_name'];
 141                         $subject = str_replace('{AT_FNAME}', $fname_list[$recip],$subject);
 142                         $subject = str_replace('{AT_LNAME}', $lname_list[$recip],$subject);
 143                         $body = str_replace('{AT_FNAME}', $fname_list[$recip],$body);
 144                         $body = str_replace('{AT_LNAME}', $lname_list[$recip],$body);
 145                         $body = str_replace('{AT_EMAIL}', $recip,$body);
 146                         $body = str_replace('{AT_USER}', $login_list[$recip],$body);
 147
 148                         $mail->Subject = $subject;
 149                         $mail->AddAddress($recip);
 150                         $mail->Body    = $body;
 151                         if(!$mail->Send()) {
 152                                 $msg->addError('SENDING_ERROR');
 153                                 header('Location: '.$_SERVER['PHP_SELF']);
 154                                 exit;
 155                         }
 156                         unset($mail);
 157                 }
 158
 159                 $msg->addFeedback('ACTION_COMPLETED_SUCCESSFULLY');
 160                 header('Location: '.$_base_href.'tools/index.php');
 161                 exit;
 162         }
 163 }
 164
 165 require(AT_INCLUDE_PATH.'header.inc.php');
 166
 167 $sql    = "SELECT COUNT(*) AS cnt FROM ".TABLE_PREFIX."course_enrollment C, ".TABLE_PREFIX."members M WHERE C.course_id=$course AND C.member_id=M.member_id AND M.member_id<>$_SESSION[member_id] ORDER BY C.approved, M.login";
 168 $result = mysql_query($sql,$db);
 169 $row    = mysql_fetch_array($result);
 170 if ($row['cnt'] == 0) {
 171         $msg->printInfos('NO_STUDENTS');
 172         require(AT_INCLUDE_PATH.'footer.inc.php');
 173         exit;
 174 }
 175
 176 ?>
 177 <form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
 178 <input type="hidden" name="course" value="<?php echo $course; ?>" />
 179
 180 <div class="input-form">
 181         <fieldset class="group_form"><legend class="group_form"><?php echo _AT('course_email'); ?></legend>
 182         <div class="row">
 183                 <span class="required" title="<?php echo _AT('required_field'); ?>">*</span>
 184                 <?php echo  _AT('to'); ?><br />
 185                 <input type="checkbox" name="to_assistants" value="1" id="assistants" <?php if ($_POST['to_assistants']=='1') { echo 'checked="checked"'; } ?> /><label for="assistants"><?php echo  _AT('assistants'); ?></label>
 186                 <input type="checkbox" name="to_enrolled" value="1" id="enrolled" <?php if ($_POST['to_enrolled']=='1') { echo 'checked="checked"'; } else { echo 'checked="checked"'; } ?> /><label for="enrolled"><?php echo  _AT('enrolled'); ?></label>
 187                 <input type="checkbox" name="to_unenrolled" value="1" id="unenrolled" <?php if ($_POST['to_unenrolled']=='1') { echo 'checked="checked"'; } ?> /><label for="unenrolled"><?php echo  _AT('unenrolled'); ?></label>
 188                 <input type="checkbox" name="to_alumni" value="1" id="alumni" <?php if ($_POST['to_alumni']=='1') { echo 'checked="checked"'; } ?> /><label for="alumni"><?php echo  _AT('alumni'); ?></label>
 189
 190                 <?php
 191                 $sql = "SELECT type_id, title FROM ".TABLE_PREFIX."groups_types WHERE course_id=$_SESSION[course_id] ORDER BY title";
 192                 $result = mysql_query($sql, $db);
 193                 ?>
 194                 <?php if ($row = mysql_fetch_assoc($result)): ?>
 195                         <br /><br />
 196                         <?php echo _AT('or_groups'); ?>:<br />
 197                         <select name="groups[]" multiple="multiple" size="10" style="padding-right: 5px">
 198                                 <?php do { ?>
 199                                         <optgroup label="<?php echo $row['title']; ?>">
 200                                                 <?php
 201                                                         $sql = "SELECT group_id, title FROM ".TABLE_PREFIX."groups WHERE type_id=$row[type_id] ORDER BY title";
 202                                                         $group_result = mysql_query($sql, $db);
 203                                                 ?>
 204                                                 <?php while ($group_row = mysql_fetch_assoc($group_result)): ?>
 205                                                         <option value="<?php echo $group_row['group_id']; ?>"><?php echo $group_row['title']; ?></option>
 206                                                 <?php endwhile; ?>
 207                                         </optgroup>
 208                                 <?php } while ($row = mysql_fetch_assoc($result)); ?>
 209                         </select>
 210                 <?php endif; ?>
 211         </div>
 212
 213         <div class="row">
 214                 <span class="required" title="<?php echo _AT('required_field'); ?>">*</span><label for="subject"><?php echo _AT('subject'); ?></label><br />
 215                 <input type="text" name="subject" size="60" id="subject" value="<?php echo $_POST['subject']; ?>" />
 216         </div>
 217
 218         <div class="row">
 219                 <span class="required" title="<?php echo _AT('required_field'); ?>">*</span><label for="body"><?php echo _AT('body'); ?></label><br />
 220                 <textarea cols="55" rows="18" name="body" id="body"><?php echo $_POST['body']; ?></textarea>
 221         </div>
 222
 223         <div class="row buttons">
 224                 <input type="submit" name="submit" value="<?php echo _AT('send'); ?>" accesskey="s" />
 225                 <input type="submit" name="cancel" value="<?php echo _AT('cancel'); ?>" />
 226         </div>
 227         </fieldset>
 228 </div>
 229 </form>
 230
 231 <?php require(AT_INCLUDE_PATH.'footer.inc.php'); ?>