docs/mods/_standard/tests/test_intro.php

   1 <?php
   2 /****************************************************************/
   3 /* ATutor                                                                                                               */
   4 /****************************************************************/
   5 /* Copyright (c) 2002-2010                                      */
   6 /* Inclusive Design Institute                                   */
   7 /* http://atutor.ca                                                                                             */
   8 /*                                                              */
   9 /* This program is free software. You can redistribute it and/or*/
  10 /* modify it under the terms of the GNU General Public License  */
  11 /* as published by the Free Software Foundation.                                */
  12 /****************************************************************/
  13 // $Id$
  14
  15 /*
  16  * This script accept these _GET variables:
  17  * tid: test id
  18  * cid: this test is the pre-requisite of the content id cid.
  19  *      It's embedded as hidden value and passed into take_test pages.
  20  * in_cid: this test is the post test of the content id cid.
  21  *     Also embedded as hidden value and passed into take_test pages.
  22  * Only one of cid or in_cid should be presented.
  23  * If cid or in_cid is presented, the script flow is,
  24  * If the user passes the pre-requisite test, the page is re-directed
  25  * back to the content page of cid. Otherwise, re-take the test.
  26  */
  27
  28 define('AT_INCLUDE_PATH', '../../../include/');
  29 require(AT_INCLUDE_PATH.'vitals.inc.php');
  30 require(AT_INCLUDE_PATH.'../mods/_standard/tests/lib/test_result_functions.inc.php');
  31
  32 // test authentication
  33 if (isset($_GET['tid']))
  34         $tid = intval($_GET['tid']);
  35 else if (isset($_POST['tid']))
  36         $tid = intval($_POST['tid']);
  37
  38 if (isset($_REQUEST['cid']))
  39 {
  40         $cid = intval($_REQUEST['cid']);
  41         $msg->addInfo('PRETEST');
  42 }
  43
  44 // this test is the post test of content in_cid
  45 if (isset($_REQUEST['in_cid']))
  46 {
  47         $in_cid = intval($_REQUEST['in_cid']);
  48
  49         // Check if the content has pre-requisite tests that the member has not passed.
  50         // If there is,
  51         // 1. Instructors: see the message that a pretest is associated with this content and proceed to display the post test
  52         // 2. Students: re-direct to pre-test, when pass the pre-test, direct to parent content page. The students must go thru
  53         //              the content to get to the post test.
  54         if ($in_cid > 0) {
  55                 $pretest = $contentManager->getPretest($in_cid);
  56
  57                 if ($pretest > 0) {
  58                         if (authenticate(AT_PRIV_CONTENT, AT_PRIV_RETURN)) {
  59                                 $msg->addInfo('PRETEST');
  60                         }
  61                         else {
  62                                 header('Location: '.url_rewrite('mods/_standard/tests/test_intro.php?tid='.$pretest.SEP.'cid='.$in_cid, AT_PRETTY_URL_IS_HEADER));
  63                                 exit;
  64                         }
  65                 } else if ($pretest == -1) { // pretest exists but cannot access because the pretest has expired.
  66                         require(AT_INCLUDE_PATH.'header.inc.php');
  67                         $msg->printAll();
  68                         require(AT_INCLUDE_PATH.'footer.inc.php');
  69                         exit;
  70                 }
  71         }
  72 }
  73
  74 // make sure max attempts not reached, and still on going
  75 $sql            = "SELECT *, UNIX_TIMESTAMP(start_date) AS start_date2, UNIX_TIMESTAMP(end_date) AS end_date2 FROM ".TABLE_PREFIX."tests WHERE test_id=".$tid." AND course_id=".$_SESSION['course_id'];
  76 $result = mysql_query($sql, $db);
  77 $test_row = mysql_fetch_assoc($result);
  78 /* check to make sure we can access this test: */
  79 if (!$test_row['guests'] && ($_SESSION['enroll'] == AT_ENROLL_NO || $_SESSION['enroll'] == AT_ENROLL_ALUMNUS)) {
  80         require(AT_INCLUDE_PATH.'header.inc.php');
  81         $msg->printInfos('NOT_ENROLLED');
  82         require(AT_INCLUDE_PATH.'footer.inc.php');
  83         exit;
  84 }
  85 if (!$test_row['guests'] && !authenticate_test($tid)) {
  86         header('Location: my_tests.php');
  87         exit;
  88 }
  89
  90 // checks one/all questions per page, and forward user to the correct one
  91 if (isset($_POST['cancel']))
  92 {
  93         if (isset($cid))
  94         {
  95                 require(AT_INCLUDE_PATH.'header.inc.php');
  96                 $msg->printInfos(array('PRETEST_FAILED', $test_row['title']));
  97                 require(AT_INCLUDE_PATH.'footer.inc.php');
  98                 exit;
  99         }
 100         //Retrieve last visited page
 101         if (isset($_SESSION['last_visited_page'])){
 102                 $_last_visited_page = $_SESSION['last_visited_page'];
 103                 unset($_SESSION['last_visited_page']);
 104         } else {
 105                 $_last_visited_page = url_rewrite('mods/_standard/tests/my_tests.php', AT_PRETTY_URL_IS_HEADER);
 106         }
 107
 108         $msg->addFeedback('CANCELLED');
 109         header('Location: '.$_last_visited_page);
 110         exit;
 111 }
 112 else if (isset($_POST['submit']))
 113 {
 114         $guest_name = $addslashes(trim($_POST["guest_name"]));
 115         $organization = $addslashes(trim($_POST["organization"]));
 116         $location = $addslashes(trim($_POST["location"]));
 117         $role = $addslashes(trim($_POST["role"]));
 118         $focus = $addslashes(trim($_POST["focus"]));
 119
 120         if ($guest_name <> "" || $organization <> "" || $location <> "" || $role <> "" || $focus <> "")
 121         {
 122                 $guest_id = get_next_guest_id();
 123
 124                 $sql    = "INSERT INTO ".TABLE_PREFIX."guests (guest_id, name, organization, location, role, focus)
 125                                                  VALUES ('$guest_id', '$guest_name', '$organization', '$location', '$role', '$focus')";
 126                 $result = mysql_query($sql, $db);
 127                 $result_id = mysql_insert_id($db);
 128         }
 129         $gid_str = (isset($guest_id)) ? SEP."gid=".$guest_id : "";
 130         if (isset($cid)) $gid_str .= SEP.'cid='.$cid;
 131
 132         if ($test_row['display']) {
 133                 header('Location: '.url_rewrite('mods/_standard/tests/take_test_q.php?tid='.$tid.$gid_str, AT_PRETTY_URL_IS_HEADER));
 134         } else {
 135                 header('Location: '.url_rewrite('mods/_standard/tests/take_test.php?tid='.$tid.$gid_str, AT_PRETTY_URL_IS_HEADER));
 136         }
 137         exit;
 138 }
 139
 140 /*
 141  * If max attempted reached, then stop it.
 142  * @3300
 143  */
 144 $sql = "SELECT COUNT(*) AS cnt FROM ".TABLE_PREFIX."tests_results WHERE status=1 AND test_id=".$tid." AND member_id='".$_SESSION['member_id']."'";
 145 $takes_result = mysql_query($sql, $db);
 146 $takes = mysql_fetch_assoc($takes_result);
 147 if ( (($test_row['start_date2'] > time()) || ($test_row['end_date2'] < time())) ||
 148    ( ($test_row['num_takes'] != AT_TESTS_TAKE_UNLIMITED) && ($takes['cnt'] >= $test_row['num_takes']) )  ) {
 149         require(AT_INCLUDE_PATH.'header.inc.php');
 150         $msg->printInfos('MAX_ATTEMPTS');
 151
 152         require(AT_INCLUDE_PATH.'footer.inc.php');
 153         exit;
 154 }
 155
 156 require(AT_INCLUDE_PATH.'header.inc.php');
 157
 158 // get number of attempts
 159 $sql    = "SELECT COUNT(test_id) AS cnt FROM ".TABLE_PREFIX."tests_results WHERE status=1 AND test_id=$tid AND member_id='".$_SESSION['member_id']."'";
 160 $result = mysql_query($sql, $db);
 161 if ($row = mysql_fetch_assoc($result)) {
 162         $num_takes = $row['cnt'];
 163 } else {
 164         $num_takes = 0;
 165 }
 166
 167 $sql    = "SELECT COUNT(*) AS num_questions FROM ".TABLE_PREFIX."tests_questions_assoc WHERE test_id=$tid";
 168 $result = mysql_query($sql, $db);
 169 $row = mysql_fetch_assoc($result);
 170 if (!$test_row['random'] || $test_row['num_questions'] > $row['num_questions']) {
 171         $test_row['num_questions'] = $row['num_questions'];
 172 }
 173
 174 ?>
 175
 176 <form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post" name="form">
 177 <input type="hidden" name="tid" value="<?php echo $tid; ?>" />
 178 <?php if (isset($cid)) { ?><input type="hidden" name="cid" value="<?php echo $cid; ?>" /> <?php } ?>
 179
 180 <div class="input-form">
 181         <fieldset class="group_form"><legend class="group_form"><?php echo $test_row['title']; ?></legend><div class="row">
 182
 183 <?php if ($test_row['guests'] && $test_row['show_guest_form'] && !$_SESSION['member_id']): ?>
 184         <fieldset class="group_form"><legend class="group_form"><?php echo _AT("test_description"); ?></legend><div class="row">
 185 <?php endif; ?>
 186         <table>
 187 <?php if ($test_row['description']<>""): ?>
 188                 <tr>
 189                         <td><?php echo _AT('test_description'); ?></td>
 190                         <td><?php echo empty($test_row['description']) ? '&nbsp;' : $test_row['description']; ?></td>
 191                 </tr>
 192 <?php endif; ?>
 193
 194                 <tr>
 195                         <td><?php echo _AT('questions'); ?></td>
 196                         <td><?php echo $test_row['num_questions']; ?></td>
 197                 </tr>
 198
 199                 <tr>
 200                         <td><?php echo _AT('out_of'); ?></td>
 201                         <td><?php echo $test_row['out_of']; ?></td>
 202                 </tr>
 203
 204                 <tr>
 205                         <td><?php echo _AT('attempts'); ?></td>
 206                         <td><?php echo $num_takes; ?> / <?php echo ($test_row['num_takes'] == AT_TESTS_TAKE_UNLIMITED) ? _AT('unlimited') : $test_row['num_takes']; ?></td>
 207                 </tr>
 208
 209                 <tr>
 210                         <td><?php echo _AT('start_date'); ?></td>
 211                         <td><?php echo AT_date( _AT('startend_date_long_format'), $test_row['start_date'], AT_DATE_MYSQL_DATETIME); ?></td>
 212                 </tr>
 213
 214                 <tr>
 215                         <td><?php echo _AT('end_date'); ?></td>
 216                         <td><?php echo AT_date( _AT('startend_date_long_format'), $test_row['end_date'], AT_DATE_MYSQL_DATETIME); ?></td>
 217                 </tr>
 218
 219                 <tr>
 220                         <td><?php echo _AT('anonymous'); ?></td>
 221                         <td><?php echo $test_row['anonymous'] ? _AT('yes') : _AT('no'); ?></td>
 222                 </tr>
 223
 224                 <tr>
 225                         <td><?php echo _AT('display'); ?></td>
 226                         <td><?php echo $test_row['display'] ? _AT('one_question_per_page') : _AT('all_questions_on_page'); ?></td>
 227                 </tr>
 228
 229                 <tr>
 230                         <td><?php echo _AT('instructions'); ?></td>
 231                         <td><?php echo nl2br($test_row['instructions']); ?></td>
 232                 </tr>
 233                 </table>
 234 <?php if ($test_row['guests'] && !$_SESSION['member_id']): ?>
 235         </fieldset>
 236 <?php endif; ?>
 237
 238 <?php if (($test_row['guests']) && $test_row['show_guest_form'] && !$_SESSION['member_id']): ?>
 239         <fieldset class="group_form"><legend class="group_form"><?php echo _AT("guest_information").' ('._AT('optional').')'; ?></legend><div class="row">
 240
 241         <table class="none" width="100%">
 242         <tr>
 243                 <td width="20%"><label for="guest_name" style="float:right;"><?php echo _AT('guest_name'); ?></label></td>
 244                 <td width="80%"><input id="guest_name" name="guest_name" size="50" type="text" value="<?php echo stripslashes(htmlspecialchars($_POST['guest_name'])); ?>"/></td>
 245         </tr>
 246
 247         <tr>
 248                 <td><label for="organization" style="float:right;"><?php echo _AT('organization'); ?></label></td>
 249                 <td><input id="organization" name="organization" size="50" type="text" value="<?php echo stripslashes(htmlspecialchars($_POST['organization'])); ?>" /></td>
 250         </tr>
 251
 252         <tr>
 253                 <td><label for="location" style="float:right;"><?php echo _AT('location'); ?></label></td>
 254                 <td><input id="location" name="location" size="50" type="text" value="<?php echo stripslashes(htmlspecialchars($_POST['location'])); ?>" /></td>
 255         </tr>
 256
 257         <tr>
 258                 <td><label for="role" style="float:right;"><?php echo _AT('role'); ?></label></td>
 259                 <td><input id="role" name="role" size="50" type="text" value="<?php echo stripslashes(htmlspecialchars($_POST['role'])); ?>" /></td>
 260         </tr>
 261
 262         <tr>
 263                 <td><label for="focus" style="float:right;"><?php echo _AT('focus'); ?></label></td>
 264                 <td><input id="focus" name="focus"  size="50" type="text" value="<?php echo stripslashes(htmlspecialchars($_POST['focus'])); ?>" /></td>
 265
 266         </tr>
 267         </table>
 268
 269         </fieldset>
 270
 271
 272
 273 <?php endif; ?>
 274 </div>
 275
 276         <div class="row buttons">
 277                 <input type="submit" name="submit" value=" <?php echo _AT('start_test'); ?> " accesskey="s" class="button"/>
 278                 <input type="submit" name="cancel" value=" <?php echo _AT('cancel'); ?> "  class="button" />
 279         </div>
 280
 281         </fieldset>
 282 </div>
 283
 284 </form>
 285
 286 <?php require(AT_INCLUDE_PATH.'footer.inc.php'); ?>