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taddgnotes.php
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taddgnotes.php
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<?php
session_start();
include 'config.php';
$id = (int)$_GET["id"];
//check if url is valid
if (!isset($_GET["id"])) {
echo "<script>alert('Group does not exist!');</script>";
header("Location:tgroups.php");
}
//check if group exists
else {
$sql = "SELECT groupId from groups WHERE groupId=$id";
$result = $con->query($sql);
if ($result->num_rows != 1) {
echo "<script>alert('Group does not exist!');</script>";
header("Location:tgroups.php");
}
}
//check if session is valid
if(isset($_SESSION["teacher"]) && isset($_SESSION["login_time"]) && !isset($_SESSION["student"])) {
if(time()-$_SESSION["login_time"] > 1800) {
session_unset();
session_destroy();
echo "<script>alert('Session expired. Log in again');</script>";
header("Location:teacherLogin.php");
}
//check if user has access to group
$sql = "SELECT teachId from groups WHERE groupId=$id AND teachId=$_SESSION[teacher]";
$result = $con->query($sql);
if ($result->num_rows != 1) {
echo "<script>alert('You dont have access to this group!');</script>";
header("Location:tgroups.php");
}
}
else {
echo "<script>alert('Session expired. Log in again');</script>";
header("Location:teacherLogin.php");
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Add Group Notes</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css"
integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<style>
.group-display {
color: rgba(0, 0, 0, 0.7);
}
.group-display:hover {
color: rgba(0, 0, 0, 1);
}
</style>
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
<a class="navbar-brand" href="">Student Learning Companion</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent"
aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="navbar-nav mr-auto">
<li class="nav-item">
<a class="nav-link" href="teacher.php">Home</a>
</li>
<li class="nav-item">
<a class="nav-link" href="tgroups.php">Groups</span></a>
</li>
<?php
echo '
<li class="nav-item">
<a class="nav-link" href="tgroupmembers.php?id=' . $_GET["id"] . '">Group Members</span></a>
</li>
<li class="nav-item active">
<a class="nav-link" href="taddgnotes.php?id=' . $_GET["id"] . '">Add Group Notes</a>
</li>
<li class="nav-item">
<a class="nav-link" href="tviewgnotes.php?id=' . $_GET["id"] . '">View Group Notes</a>
</li>';
?>
<li class="nav-item">
<a class="nav-link" href="tschedule.php">Schedule</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="teacherLogin.php">Logout</span></a>
</li>
</ul>
</div>
</nav>
<div class="container my-3">
<h1>Create New Notes</h1>
<div class="card">
<div class="card-body">
<h5 class="card-title">Add group note</h5>
<form method="POST">
<div class="form-group">
<textarea class="form-control" id="addTitle" name="addTitle" rows="1" placeholder="Title"></textarea>
<textarea class="form-control" id="addTxt" name="addTxt" rows="3"></textarea>
</div>
<button class="btn btn-primary" id="addBtn" name="addBtn">Add Note</button>
</form>
</div>
</div>
<hr>
<h1>Your Group Notes</h1>
<hr>
<div id="notes" class="row container-fluid">
<?php
include 'config.php';
$id = (int)$_GET["id"];
$sql = "SELECT noten, notec FROM groupnotes WHERE noteAuthor=" . $_SESSION["teacher"] . " AND groupId=$id AND isTeacher=1";
$result = $con->query($sql);
$yourNotes = "";
if ($result->num_rows > 0) {
while($row = $result->fetch_assoc()) {
$yourNotes .= "<div><h5> $row[noten] </h5>
<p> $row[notec] </p><hr></div>";
}
}
else {
$yourNotes = "<h5>You have not yet added any notes in this group!</h5>";
}
echo $yourNotes;
?>
</div>
</div>
<?php
include 'config.php';
$id = (int)$_GET["id"];
if (isset($_POST["addBtn"])) {
$title = $_POST["addTitle"];
$content = $_POST["addTxt"];
if ($title != "" && $content != "") {
$sql = "INSERT INTO groupnotes (groupId, noteAuthor, noten, notec, isTeacher)
VALUES ($id, $_SESSION[teacher], '$title', '$content', 1)";
mysqli_query($con, $sql);
}
header("Refresh:0");
}
?>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js"
integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo"
crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"
integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1"
crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"
integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM"
crossorigin="anonymous"></script>
</body>
</html>