<?php
session_start();
if (!isset($_SESSION['user_id']) || strcmp($_SESSION['type'], 'instractor') != 0 || !isset($_POST['ID'])) {
// redirect unauthorized user at once to homepage
header('Location: http://localhost/qa/index.php');
die;
}
// update course files
$files = getFilesByCourseID($_POST['ID']);
foreach ($files as $file) {
updateFileData($file['ID'], $_POST[$file['type']]);
}
unset($_POST['type']);
unset($_POST['type']);
header('Location: http://localhost/qa/instructor/index.php');
die;
echo "<li>Sorry, file already exists.</li>";
$uploadOk = 0;
}
// Check file size, max 32 MB
if ($_FILES[$file]["size"] > 33554432) {
echo "<li>Sorry, your file is too large." . $_FILES[$file]["size"] . '</li>';
$uploadOk = 0;
}
// Check if $uploadOk is set to 0 by an error
if ($uploadOk == 0) {
echo "<li>Sorry, your file was not uploaded.</li>";
} else {
if (move_uploaded_file($_FILES[$file]["tmp_name"], $target_file)) {
echo "<li>The file " . basename($_FILES[$file]["name"]) . " has been uploaded.</li>";
$update_link = $target_file;
} else {
echo "<li>Sorry, there was an error uploading your file.</li>";
}
}
}
// update file link
foreach ($db_files as $db_file) {
if (strcmp($db_file['type'], $name) == 0) {
updateFileData($db_file['ID'], $update_link);
break;
}
}
}
echo "</ol><p>";
header('refresh:3; url=http://localhost/qa/instructor/index.php');
die;
