include/html/enrollment.inc.php

   1 <?php
   2 /****************************************************************/
   3 /* ATutor                                                                                                               */
   4 /****************************************************************/
   5 /* Copyright (c) 2002-2008 by Greg Gay & Joel Kronenberg        */
   6 /* Adaptive Technology Resource Centre / University of Toronto  */
   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 if (!defined('AT_INCLUDE_PATH')) { exit; }
  15
  16 if (isset($_POST['enroll'])) {
  17         if (!$_POST['id'])      {
  18                 $msg->addError('NO_STUDENT_SELECTED');
  19                 $_GET['tab'] = $_POST['tab'];
  20         } else {
  21                 $i=0;
  22                 foreach ($_POST['id'] as $elem) {
  23                         $text .= 'id'.$i.'='.$elem.SEP;
  24                         $i++;
  25                 }
  26                 header('Location: enroll_edit.php?'.$text.'func=enroll'.SEP.'tab=0'.SEP.'course_id='.$course_id);
  27                 exit;
  28         }
  29 } else if (isset($_POST['unenroll'])) {
  30         // different from a plain delete. This removes from groups as well.
  31         if (!$_POST['id'])      {
  32                 $msg->addError('NO_STUDENT_SELECTED');
  33                 $_GET['tab'] = $_POST['tab'];
  34         } else {
  35                 $i=0;
  36                 foreach ($_POST['id'] as $elem) {
  37                         $text .= 'id'.$i.'='.$elem.SEP;
  38                         $i++;
  39                 }
  40                 header('Location: enroll_edit.php?'.$text.'func=unenroll'.SEP.'tab=1'.SEP.'course_id='.$course_id);
  41                 exit;
  42         }
  43 } else if (isset($_POST['role'])) {
  44         if (!$_POST['id'])      {
  45                 $msg->addError('NO_STUDENT_SELECTED');
  46                 $_GET['tab'] = $_POST['tab'];
  47         } else {
  48                 $i=0;
  49                 foreach ($_POST['id'] as $elem) {
  50                         $text .= 'mid'.$i.'='.$elem.SEP;
  51                         $i++;
  52                 }
  53                 header('Location: privileges.php?'.$text.SEP.'course_id='.$course_id);
  54                 exit;
  55         }
  56 } else if (isset($_POST['alumni'])) {
  57         if (!$_POST['id'])      {
  58                 $msg->addError('NO_STUDENT_SELECTED');
  59                 $_GET['tab'] = $_POST['tab'];
  60         } else {
  61                 $i=0;
  62                 foreach ($_POST['id'] as $elem) {
  63                         $text .= 'id'.$i.'='.$elem.SEP;
  64                         $i++;
  65                 }
  66                 header('Location: enroll_edit.php?'.$text.'func=alumni'.SEP.'tab=2'.SEP.'course_id='.$course_id);
  67                 exit;
  68         }
  69 }
  70
  71 //filter stuff:
  72
  73 if ($_GET['reset_filter']) {
  74         unset($_GET);
  75 }
  76
  77 $filter=array();
  78
  79 if (isset($_GET['role']) && ($_GET['role'] != '')) {
  80         $filter['role'] = intval($_GET['role']);
  81 }
  82
  83 if (isset($_GET['status']) && ($_GET['status'] != '')) {
  84         $filter['status'] = intval($_GET['status']);
  85 }
  86
  87 if (isset($_GET['group']) && ($_GET['group'] != '')) {
  88         $filter['group'] = intval($_GET['group']);
  89 }
  90
  91 require(AT_INCLUDE_PATH.'html/enroll_tab_functions.inc.php');
  92 $tabs = get_tabs();
  93
  94
  95 //debug( $num_tabs);
  96 $num_tabs = count($tabs);
  97
  98 for ($i=0; $i < $num_tabs; $i++) {
  99         if (isset($_POST['button_'.$i]) && ($_POST['button_'.$i] != -1)) {
 100                 $current_tab = $i;
 101                 $_POST['current_tab'] = $i;
 102                 break;
 103         }
 104 }
 105
 106 //get present tab if specified
 107 if ($_GET['current_tab']) {
 108         $current_tab = $_GET['current_tab'];
 109         $_POST['current_tab'] = $_GET['current_tab'];
 110 }
 111
 112 $orders = array('asc' => 'desc', 'desc' => 'asc');
 113 $cols   = array('login' => 1, 'first_name' => 1, 'second_name' => 1, 'last_name' => 1, 'email' => 1);
 114
 115 if (isset($_GET['asc'])) {
 116         $order = 'asc';
 117         $col   = isset($cols[$_GET['asc']]) ? $_GET['asc'] : 'login';
 118 } else if (isset($_GET['desc'])) {
 119         $order = 'desc';
 120         $col   = isset($cols[$_GET['desc']]) ? $_GET['desc'] : 'login';
 121 } else {
 122         // no order set
 123         $order = 'asc';
 124         $col   = 'login';
 125 }
 126 $view_select = intval($_POST['view_select']);
 127
 128 // the possible tabs. order matters.
 129 $tabs = array('enrolled', 'assistants', 'alumni', 'pending_enrollment', 'not_enrolled');
 130
 131
 132 // Remove Not Enrolled tab if system preference is turned off 1.6.2
 133 if($_config['allow_instructor_registration'] != 1){
 134         array_pop($tabs);
 135 }
 136
 137 $num_tabs = count($tabs);
 138 if (isset($_REQUEST['tab'])) {
 139         $current_tab = intval($_REQUEST['tab']);
 140 }
 141
 142 if (!isset($current_tab)) {
 143         $current_tab = 0;
 144 }
 145
 146 if (isset($_GET['match']) && $_GET['match'] == 'one') {
 147         $checked_match_one = ' checked="checked"';
 148         $page_string .= SEP.'match=one';
 149 } else {
 150         $_GET['match'] = 'all';
 151         $checked_match_all = ' checked="checked"';
 152         $page_string .= SEP.'match=all';
 153 }
 154
 155 if (admin_authenticate(AT_ADMIN_PRIV_ENROLLMENT, TRUE)) {
 156         $page_string .= SEP.'course_id='.$course_id;
 157 }
 158
 159 if ($_GET['search']) {
 160         $page_string .= SEP.'search='.urlencode($_GET['search']);
 161         $search = $addslashes($_GET['search']);
 162         $search = explode(' ', $search);
 163
 164         if ($_GET['match'] == 'all') {
 165                 $predicate = 'AND ';
 166         } else {
 167                 $predicate = 'OR ';
 168         }
 169
 170         $sql = '';
 171         foreach ($search as $term) {
 172                 $term = trim($term);
 173                 $term = str_replace(array('%','_'), array('\%', '\_'), $term);
 174                 if ($term) {
 175                         $term = '%'.$term.'%';
 176                         $sql .= "((M.first_name LIKE '$term') OR (M.second_name LIKE '$term') OR (M.last_name LIKE '$term') OR (M.email LIKE '$term') OR (M.login LIKE '$term')) $predicate";
 177                 }
 178         }
 179         $sql = '('.substr($sql, 0, -strlen($predicate)).')';
 180         $search = $sql;
 181 } else {
 182         $search = '1';
 183 }
 184
 185 $instructor_id = $system_courses[$course_id]['member_id'];
 186 // retrieve all the members of this course (used later to get all those who aren't in this course)
 187 $course_enrollment = get_group_concat('course_enrollment', 'member_id', "course_id=$course_id AND member_id<>$instructor_id");
 188 $course_enrollment .= ','.$instructor_id;
 189
 190 $tab_counts     = array();
 191 $tab_sql_counts = array();
 192 $tab_sql_counts[0] = "SELECT COUNT(*) AS cnt FROM ".TABLE_PREFIX."course_enrollment CE INNER JOIN ".TABLE_PREFIX."members M USING (member_id) WHERE CE.course_id=$course_id
 193                                                 AND CE.approved='y' AND M.member_id<>$instructor_id AND CE.privileges=0 AND $search";
 194 $tab_sql_counts[1] = "SELECT COUNT(*) AS cnt FROM ".TABLE_PREFIX."course_enrollment CE INNER JOIN ".TABLE_PREFIX."members M USING (member_id) WHERE CE.course_id=$course_id
 195                                                 AND CE.approved='y' AND CE.privileges>0 AND $search";
 196 $tab_sql_counts[2] = "SELECT COUNT(*) AS cnt FROM ".TABLE_PREFIX."course_enrollment CE INNER JOIN ".TABLE_PREFIX."members M USING (member_id) WHERE CE.course_id=$course_id
 197                                                 AND approved='a' AND $search";
 198 $tab_sql_counts[3] = "SELECT COUNT(*) AS cnt FROM ".TABLE_PREFIX."course_enrollment CE INNER JOIN ".TABLE_PREFIX."members M USING (member_id) WHERE CE.course_id=$course_id
 199                                                 AND approved='n' AND $search";
 200 $tab_sql_counts[4] = "SELECT COUNT(*) AS cnt FROM ".TABLE_PREFIX."members M WHERE M.status>1 AND M.member_id NOT IN ($course_enrollment) AND $search";
 201
 202 foreach ($tab_sql_counts as $tab => $sql) {
 203         if ($tab == 3 && $system_courses[$course_id]['access'] != 'private') {
 204                 $tab_counts[$tab] = 0;
 205         } else {
 206                 $result = mysql_query($sql);
 207                 $row    = mysql_fetch_assoc($result);
 208                 $tab_counts[$tab] = $row['cnt'];
 209         }
 210 }
 211
 212
 213 if ($current_tab == 0) {
 214         // enrolled
 215         $sql    =  "SELECT CE.member_id, CE.privileges, CE.approved, M.login, M.first_name, M.second_name, M.last_name, M.email
 216                                 FROM ".TABLE_PREFIX."course_enrollment CE INNER JOIN ".TABLE_PREFIX."members M USING (member_id)
 217                                 WHERE CE.course_id=$course_id AND approved='y' AND M.member_id<>$instructor_id AND CE.privileges=0 AND $search
 218                                 ORDER BY $col $order";
 219 } else if ($current_tab == 1) {
 220         // assistants
 221         $sql    =  "SELECT CE.member_id, CE.approved, CE.privileges, M.login, M.first_name, M.second_name, M.last_name, M.email
 222                                 FROM ".TABLE_PREFIX."course_enrollment CE INNER JOIN ".TABLE_PREFIX."members M USING (member_id)
 223                                 WHERE CE.course_id=$course_id AND CE.approved='y' AND CE.privileges>0 AND $search
 224                                 ORDER BY $col $order";
 225
 226 } else if ($current_tab == 3) {
 227         // pending
 228         if ($system_courses[$course_id]['access'] == 'private') {
 229                 $sql    =  "SELECT CE.member_id, CE.approved, CE.privileges, M.login, M.first_name, M.second_name, M.last_name, M.email
 230                                 FROM ".TABLE_PREFIX."course_enrollment CE INNER JOIN ".TABLE_PREFIX."members M USING (member_id)
 231                                 WHERE CE.course_id=$course_id AND approved='n' AND $search
 232                                 ORDER BY $col $order";
 233         } else {
 234                 // not sure what this is about
 235 //              $sql_cnt = "SELECT COUNT(*) AS cnt FROM ".TABLE_PREFIX."members WHERE 0";
 236                 $sql = "SELECT login FROM ".TABLE_PREFIX."members WHERE 0";
 237         }
 238 } else if ($current_tab == 2) {
 239         // alumni
 240         $sql    =  "SELECT CE.member_id, CE.approved, CE.privileges, M.login, M.first_name, M.second_name, M.last_name, M.email
 241                                 FROM ".TABLE_PREFIX."course_enrollment CE INNER JOIN ".TABLE_PREFIX."members M USING (member_id)
 242                                 WHERE CE.course_id=$course_id AND approved='a' AND $search
 243                                 ORDER BY $col $order";
 244 } else { // current_tab == 4
 245
 246 //      $sql_cnt=  "SELECT COUNT(*) AS cnt FROM ".TABLE_PREFIX."members M WHERE M.status>1 AND M.member_id NOT IN ($course_enrollment) AND $search";
 247
 248         $sql    =  "SELECT M.member_id, M.login, M.first_name, M.second_name, M.last_name, M.email FROM ".TABLE_PREFIX."members M WHERE M.member_id NOT IN ($course_enrollment) AND M.status>1 AND $search ORDER BY $col $order";
 249 }
 250
 251 $results_per_page = 50;
 252
 253 $num_pages = max(ceil($tab_counts[$current_tab] / $results_per_page), 1);
 254 $page = intval($_GET['p']);
 255 if (!$page) {
 256         $page = 1;
 257 }
 258 $count  = (($page-1) * $results_per_page) + 1;
 259 $offset = ($page-1)*$results_per_page;
 260 $sql .= " LIMIT $offset, $results_per_page";
 261
 262 $enrollment_result = mysql_query($sql, $db);
 263 $page_string_w_tab = $page_string . SEP . 'tab='.$current_tab;
 264 require(AT_INCLUDE_PATH.'header.inc.php');
 265
 266 ?>
 267
 268 <form method="get" action="<?php echo $_SERVER['PHP_SELF']; ?>">
 269         <input type="hidden" name="tab" value="<?php echo $current_tab; ?>"/>
 270         <input type="hidden" name="course_id" value="<?php echo $course_id; ?>"/>
 271         <div class="input-form">
 272         <fieldset class="group_form"><legend class="group_form"><?php echo _AT('search'); ?></legend>
 273                 <?php if (admin_authenticate(AT_ADMIN_PRIV_ENROLLMENT, TRUE)): ?>
 274                         <div class="row">
 275                                 <label for="course"><?php echo _AT('course'); ?></label><br/>
 276                                 <select name="course_id" id="course">
 277                                 <?php
 278                                 $sql = "SELECT course_id, title FROM ".TABLE_PREFIX."courses ORDER BY title";
 279                                 $result = mysql_query($sql, $db);
 280                                 while ($courses_row = mysql_fetch_assoc($result)) {
 281                                         if ($courses_row['course_id'] == $course_id) {
 282                                                 echo '<option value="'.$courses_row['course_id'].'" selected="selected">'.validate_length($courses_row['title'], 45,VALIDATE_LENGTH_FOR_DISPLAY).'</option>';
 283                                         } else {
 284                                                 echo '<option value="'.$courses_row['course_id'].'">'.validate_length($courses_row['title'],45,VALIDATE_LENGTH_FOR_DISPLAY).'</option>';
 285                                         }
 286                                 }
 287                                 ?></select>
 288                         </div>
 289                 <?php endif; ?>
 290
 291                 <div class="row">
 292                         <label for="search"><?php echo _AT('search'); ?> (<?php echo _AT('login_name').', '._AT('first_name').', '._AT('second_name').', '._AT('last_name') .', '._AT('email'); ?>)</label><br />
 293                         <input type="text" name="search" id="search" size="40" value="<?php echo htmlspecialchars($_GET['search']); ?>" />
 294                         <br/>
 295                         <?php echo _AT('search_match'); ?>:
 296                         <input type="radio" name="match" value="all" id="match_all" <?php echo $checked_match_all; ?> /><label for="match_all"><?php echo _AT('search_all_words'); ?></label> <input type="radio" name="match" value="one" id="match_one" <?php echo $checked_match_one; ?> /><label for="match_one"><?php echo _AT('search_any_word'); ?></label>
 297                 </div>
 298
 299                 <div class="row buttons">
 300                         <input type="submit" name="filter" value="<?php echo _AT('filter'); ?>" />
 301                         <input type="submit" name="reset_filter" value="<?php echo _AT('reset_filter'); ?>" />
 302                 </div>
 303         </fieldset>
 304         </div>
 305 </form>
 306
 307 <?php print_paginator($page, $tab_counts[$current_tab], $page_string_w_tab . SEP . $order .'='. $col, $results_per_page); ?>
 308
 309 <form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>" name="selectform">
 310 <input type="hidden" name="tab" value="<?php echo $current_tab; ?>" />
 311 <input type="hidden" name="course_id" value="<?php echo $course_id; ?>"/>
 312 <div style="width: 95%; margin-right: auto; margin-left: auto;">
 313 <ul id="navlist">
 314         <?php for ($i = 0; $i< $num_tabs; $i++): ?>
 315                 <?php if ($current_tab == $i): ?>
 316                         <li><a href="<?php echo $_SERVER['PHP_SELF']; ?>?tab=<?php echo $i.$page_string; ?>" class="active"><strong><?php echo _AT($tabs[$i]); ?> - <?php echo $tab_counts[$i]; ?></strong></a></li>
 317                 <?php else: ?>
 318                         <li><a href="<?php echo $_SERVER['PHP_SELF']; ?>?tab=<?php echo $i.$page_string; ?>"><?php echo _AT($tabs[$i]); ?> - <?php echo $tab_counts[$i]; ?></a></li>
 319                 <?php endif; ?>
 320         <?php endfor; ?>
 321 </ul>
 322 </div>
 323
 324 <table class="data" style="width:95%;" summary="" rules="cols">
 325 <colgroup>
 326         <?php if ($col == 'login'): ?>
 327                 <col />
 328                 <col class="sort" />
 329                 <col span="4" />
 330         <?php elseif($col == 'first_name'): ?>
 331                 <col span="2" />
 332                 <col class="sort" />
 333                 <col span="3" />
 334         <?php elseif($col == 'second_name'): ?>
 335                 <col span="3" />
 336                 <col class="sort" />
 337                 <col span="2" />
 338         <?php elseif($col == 'last_name'): ?>
 339                 <col span="4" />
 340                 <col class="sort" />
 341                 <col />
 342         <?php elseif($col == 'email'): ?>
 343                 <col span="5" />
 344                 <col class="sort" />
 345         <?php endif; ?>
 346 </colgroup>
 347 <thead>
 348 <tr>
 349         <th scope="col" align="left"><input type="checkbox" value="<?php echo _AT('select_all'); ?>" id="all" title="<?php echo _AT('select_all'); ?>" name="selectall" onclick="CheckAll();" /></th>
 350
 351         <th scope="col"><a href="<?php echo $_SERVER['PHP_SELF']; ?>?<?php echo $orders[$order]; ?>=login<?php echo $page_string_w_tab;?>"><?php echo _AT('login_name'); ?></a></th>
 352
 353         <th scope="col"><a href="<?php echo $_SERVER['PHP_SELF']; ?>?<?php echo $orders[$order]; ?>=first_name<?php echo $page_string_w_tab;?>"><?php echo _AT('first_name'); ?></a></th>
 354
 355         <th scope="col"><a href="<?php echo $_SERVER['PHP_SELF']; ?>?<?php echo $orders[$order]; ?>=second_name<?php echo $page_string_w_tab;?>"><?php echo _AT('second_name'); ?></a></th>
 356
 357         <th scope="col"><a href="<?php echo $_SERVER['PHP_SELF']; ?>?<?php echo $orders[$order]; ?>=last_name<?php echo $page_string_w_tab;?>"><?php echo _AT('last_name'); ?></a></th>
 358
 359         <th scope="col"><a href="<?php echo $_SERVER['PHP_SELF']; ?>?<?php echo $orders[$order]; ?>=email<?php echo $page_string_w_tab;?>"><?php echo _AT('email'); ?></a></th>
 360 </tr>
 361 </thead>
 362 <tfoot>
 363 <tr>
 364         <td colspan="6">
 365                 <?php if ($current_tab == 0): ?>
 366                         <input type="submit" name="role"     value="<?php echo _AT('privileges');  ?>" />
 367                         <input type="submit" name="unenroll" value="<?php echo _AT('remove');    ?>" />
 368                         <input type="submit" name="alumni"   value="<?php echo _AT('mark_alumni'); ?>" />
 369                 <?php elseif ($current_tab == 1): ?>
 370                         <input type="submit" name="role" value="<?php echo _AT('privileges'); ?>" />
 371                         <input type="submit" name="unenroll" value="<?php echo _AT('remove'); ?>" />
 372
 373                 <?php elseif ($current_tab == 2): ?>
 374                         <input type="submit" name="enroll"   value="<?php echo _AT('enroll'); ?>" />
 375                         <input type="submit" name="unenroll" value="<?php echo _AT('remove'); ?>" />
 376
 377                 <?php elseif ($current_tab == 3): ?>
 378                         <input type="submit" name="enroll" value="<?php echo _AT('enroll'); ?>" />
 379                         <input type="submit" name="unenroll" value="<?php echo _AT('remove'); ?>" />
 380
 381                 <?php elseif ($current_tab == 4): ?>
 382                         <input type="submit" name="enroll"   value="<?php echo _AT('enroll'); ?>" />
 383
 384                 <?php endif; ?></td>
 385 </tr>
 386 </tfoot>
 387 <tbody>
 388 <?php if ($tab_counts[$current_tab]): ?>
 389         <?php while ($row = mysql_fetch_assoc($enrollment_result)): ?>
 390                 <tr onmousedown="document.selectform['m<?php echo $row['member_id']; ?>'].checked = !document.selectform['m<?php echo $row['member_id']; ?>'].checked; togglerowhighlight(this, 'm<?php echo $row['member_id']; ?>');" id="rm<?php echo $row['member_id']; ?>">
 391                         <td><input type="checkbox" name="id[]" value="<?php echo $row['member_id']; ?>" id="m<?php echo $row['member_id']; ?>" onmouseup="this.checked=!this.checked" title="<?php echo AT_print($row['login'], 'members.login'); ?>" /></td>
 392                         <td><?php echo AT_print($row['login'], 'members.login'); ?></td>
 393                         <td><?php echo AT_print($row['first_name'], 'members.name'); ?></td>
 394                         <td><?php echo AT_print($row['second_name'], 'members.name'); ?></td>
 395                         <td><?php echo AT_print($row['last_name'], 'members.name'); ?></td>
 396                         <td><?php echo AT_print($row['email'], 'members.email'); ?></td>
 397                 </tr>
 398         <?php endwhile; ?>
 399 <?php else: ?>
 400         <tr>
 401                 <td colspan="6"><?php echo _AT('none_found'); ?></td>
 402         </tr>
 403 <?php endif; ?>
 404 </tbody>
 405 </table>
 406 </form>
 407
 408 <script language="JavaScript" type="text/javascript">
 409 //<!--
 410 function CheckAll() {
 411         for (var i=0;i<document.selectform.elements.length;i++) {
 412                 var e = document.selectform.elements[i];
 413                 if ((e.name == 'id[]') && (e.type=='checkbox')) {
 414                         e.checked = document.selectform.selectall.checked;
 415                         togglerowhighlight(document.getElementById("r" + e.id), e.id);
 416                 }
 417         }
 418 }
 419
 420 function togglerowhighlight(obj, boxid) {
 421         if (document.getElementById(boxid).checked) {
 422                 obj.className = 'selected';
 423         } else {
 424                 obj.className = '';
 425         }
 426 }
 427 //-->
 428 </script>
 429 <?php require(AT_INCLUDE_PATH.'footer.inc.php'); ?>