preenroll_col.php | searchcode

/teacher/preenroll_col.php

https://github.com/xmarcosx/enroll
PHP | 267 lines | 257 code | 0 blank | 10 comment | 15 complexity | db4ef439fab6ca9188717a9d3ca1bee7 MD5 | raw file

<?php
  session_start();
  //Credentials aren't legit or user isn't an admin, kick back to login screen
  if (!isset($_SESSION['username']) || 
    $_SESSION['login']!=true || 
    $_SESSION['student']) {
      $_SESSION['from_teacher']=true;
      header("Location: ../login.html");
  }
  $master_username=$_SESSION['username'];
  $ghostuser=$_SESSION['ghostuser'];
  if(!is_null($ghostuser))
    $username=$_SESSION['ghostuser'];
  else
    $username=$_SESSION['username'];
  //Code to connect to database
  include_once '../admin/settings.php';
  //Connects to MySQL and Selects Database
  $con = mysql_connect($host,$db_username,$db_password);
  if (!$con)
    die('Could not connect: ' . mysql_error());
  //Select DB
  mysql_select_db($db, $con);
  //Get selected semester from URL
  $selected_semester=$_GET['semester'];
  //Internal user id
  $userid=NULL;
  $get_userid_result=mysql_query("SELECT id FROM users WHERE username=\"$username\"") or die(mysql_error());
  $get_userid_array=mysql_fetch_array($get_userid_result);
  $userid=$get_userid_array['id'];
  //Get Colloquium assignment for selected Semester
  $col_assignment_result=mysql_query(
        "SELECT assignments.id, courses.name, assignments.final 
         FROM assignments 
         INNER JOIN `courses` on assignments.course_id=courses.id  
         WHERE courses.teacher_id=$userid AND assignments.colloquium_semester=$selected_semester 
         LIMIT 1") or die(mysql_error());
  $col_assignment_row=mysql_fetch_array($col_assignment_result);
  $col_id=$col_assignment_row['id'];
  $col_name=$col_assignment_row['name'];
  $col_final=$col_assignment_row['final'];
  if($col_final){
    //Get Current Roster for Course
    $col_roster_result=mysql_query(
        "SELECT enrollments.id,enrollments.users_id,users.firstname,users.lastname,users.username  
         FROM enrollments 
         INNER JOIN `users` on enrollments.users_id=users.id
         WHERE enrollments.assignments_id=$col_id") or die(mysql_error());
    //Get Student List
    $students_result=mysql_query("SELECT id,firstname,lastname,username FROM users WHERE role='student'") or die(mysql_error());
  }
  mysql_close();
?>
<!DOCTYPE html>
<html lang='en'>
  <head>
    <meta charset='utf-8'>
    <title>Enroll: <?php echo $school_name; ?></title>
    <meta name='viewport' content='width=device-width, initial-scale=1.0'>
    <meta name='description' content="Flexible Scheduling for Today's Classroom">
    <meta name='author' content='Marcos Alcozer'>
    <meta name='keywords' content='Education, Scheduling'>
    <!-- CSS -->
    <style>
      body {
        padding-top: 60px; /* 60px to make the container go all the way to the bottom of the topbar */
      }
    </style>
    <link href="//netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/css/bootstrap-combined.min.css" rel="stylesheet">
    <link href="../css/admin.css" rel="stylesheet">
    <!-- JQUERY -->
    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
    <!-- BOOTSTRAP -->
    <script src="//netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/js/bootstrap.min.js"></script>
    <!-- AJAX UPLOAD BY BRYAN GENTRY -->
    <!-- http://bryangentry.us/ajax-upload-with-javascript-and-php-upload-an-image-and-display-a-preview/ -->
    <script src="../js/ajaxupload.js"></script>
    <!-- FORM VALIDATION USING JQUERY -->
    <!-- http://alittlecode.com/jquery-form-validation-with-styles-from-twitter-bootstrap/ -->
    <!-- <script src="../js/jquery.validate.min.js"></script> -->
    <!-- <script src="../js/validate.js"></script> -->
    <!-- INHOUSE JAVASCRIPT -->
    <script src="../js/teacher.js"></script>

    <!-- HTML5 shim, for IE6-8 support of HTML5 elements -->
    <!--[if lt IE 9]>
      <script src="../js/html5shiv.js"></script>
    <![endif]-->

  </head>

  <body>
    <?php include_once("../admin/analyticstracking.php") ?>
    <div class="navbar navbar-inverse navbar-fixed-top">
      <div class="navbar-inner">
        <div class="container">
          <button type="button" class="btn btn-navbar" data-toggle="collapse" data-target=".nav-collapse">
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
          </button>
          <a class="brand appname" href="#">Enroll<img src='../img/beta-icon.png' style="vertical-align:text-top;"/></a>
          <div class="nav-collapse collapse">
            <ul class="nav">
              <li><a href="agenda.php">Agenda</a></li>
              <li class="dropdown">
                <a href="#" class="dropdown-toggle" data-toggle="dropdown">X/Y <b class="caret"></b></a>
                <ul class="dropdown-menu">
                  <li><a href="assigned_xy.php">Assign Course</a></li>
                  <li><a href="repository_xy.php">Course Repository</a></li>
                  <li><a href="preenroll_xy.php">Enroll Students</a></li>
                </ul>
              </li>
              <li class="dropdown active">
                <a href="#" class="dropdown-toggle" data-toggle="dropdown">Colloquium <b class="caret"></b></a>
                <ul class="dropdown-menu">
                  <li><a href="assigned_col.php">Assign Course</a></li>
                  <li><a href="repository_col.php">Course Repository</a></li>
                  <li class="dropdown-submenu">
                      <a tabindex="-1" href="#">Enroll Students</a>
                      <ul class="dropdown-menu">
                        <li><a href="preenroll_col.php?semester=1">Semester 1</a></li>
                        <li><a href="preenroll_col.php?semester=2">Semester 2</a></li>
                      </ul>
                  </li>
                </ul>
              </li>
            </ul>
            <ul class="nav pull-right">
              <?php if($_SESSION['admin'] && $_SESSION['teacher']){
               echo "<li><a href='../admin'>Admin Panel</a></li>";
              }
              if(!is_null($ghostuser)){ ?>
              <li><a href="javascript:void(0)" onclick='ghost_user("<?php echo $master_username; ?>","admin");'><?php echo $master_username; ?></a></li>
              <?php 
                }
                if(!isset($_SESSION['username']))
                  echo "<li class='login-button'><a href='../login.html' style='color:#FFFFFF'>Login</a></li>";
                else
                  echo "<li class='login-button'><a href='../logout.php' style='color:#FFFFFF'>Logout</a></li>";
              ?>
            </ul>
          </div><!--/.nav-collapse -->
        </div>
      </div>
    </div>
    <div class="container">
      <?php
        //If status returned is 0
        if($_GET['status']==3){
      ?>
      <div class="alert alert-error fade in">
        <button type="button" class="close" data-dismiss="alert">&times;</button>
        Sorry, that student is already enrolled elsewhere.
      </div>
      <?php } ?>
        <h1>
          <?php
            if(!is_null($col_name))
              echo $col_name;
            else
              echo "No colloquium assigned to semester " . $selected_semester;
          ?>
        </h1>
        <p class='lead'>
          Semester <?php echo $selected_semester; ?>
        </p>
        <hr />
        <?php if($col_final) { ?>
          <div id="main" role="main">
            <div class='row'>
              <div class='span4'>
                <h3>Current Roster</h3>
                <table class="table table-striped table-hover table-condensed">
                  <thead>
                    <tr>
                      <th>Last Name</th>
                      <th>First Name</th>
                      <th>Username</th>
                      <th></th>
                    </tr>
                  </thead>
                  <tbody>
                    <?php
                      if (mysql_num_rows($col_roster_result) == 0){
                        echo "<tr>";
                        echo "<td></td>";
                        echo "<td></td>";
                        echo "<td></td>";
                        echo "<td></td>";
                        echo "</tr>";
                      }
                      else{
                        while($row=mysql_fetch_array($col_roster_result)){
                          echo "<tr>";
                          echo "<form action='unenroll.php' method='post'>";
                          echo "<input name='id' type='hidden' value='" . $row['id'] . "' />";
                          echo "<input name='student_id' type='hidden' value=" . $row['users_id'] . " />";
                          echo "<input name='teacher_id' type='hidden' value='$userid' />";
                          echo "<input name='col_id' type='hidden' value='" . $col_id . "' />";
                          echo "<input name='type' type='hidden' value='colloquium' />";
                          echo "<input name='semester' type='hidden' value=" . $selected_semester . " />";
                          echo "<td>" . $row['lastname'] . "</td>";
                          echo "<td>" . $row['firstname'] . "</td>";
                          echo "<td>" . $row['username'] . "</td>";
                          echo "<td><button class='btn btn-medium btn-warning' type='submit'>Remove</button></td>";
                          echo "</form>";
                          echo "</tr>";
                        }
                      }
                    ?>
                  </tbody>
                </table>
              </div>
              <div class="span4 offset2">
                <h3>Available Students</h3>
                <table class="table table-striped table-hover table-condensed">
                  <thead>
                    <tr>
                      <th>Last Name</th>
                      <th>First Name</th>
                      <th>Username</th>
                      <th></th>
                    </tr>
                  </thead>
                  <tbody>
                    <?php
                      if (mysql_num_rows($students_result) == 0){
                        echo "<tr>";
                        echo "<td></td>";
                        echo "<td></td>";
                        echo "<td></td>";
                        echo "<td></td>";
                        echo "</form>";
                        echo "</tr>";
                      }
                      else{
                        while($row=mysql_fetch_array($students_result)){
                          echo "<tr>";
                          echo "<form action='enroll.php' method='post'>";
                          echo "<input name='id' type='hidden' value=" . $row['id'] . " />";
                          echo "<input name='teacher_id' type='hidden' value='$userid' />";
                          echo "<input name='type' type='hidden' value='colloquium' />";
                          echo "<input name='semester' type='hidden' value=" . $selected_semester . " />";
                          echo "<input name='col_id' type='hidden' value='" . $col_id . "' />";
                          echo "<td>" . $row['lastname'] . "</td>";
                          echo "<td>" . $row['firstname'] . "</td>";
                          echo "<td>" . $row['username'] . "</td>";
                          echo "<td><button class='btn btn-medium btn-primary' type='submit'>Enroll</button></td>";
                          echo "</form>";
                          echo "</tr>";
                        }
                      }
                    ?>
                  </tbody>
                </table>
              </div>
            </div>
          </div>
        <?php } else { ?>
          <div id="main" role="main">
            Colloquium not finalized by administrator, cannot assign students.
          </div>
        <?php } ?>
    </div> <!-- /container -->
  </body>
</html>