function launch()
{
global $configArray;
$id = $_REQUEST['id'];
$file = $_REQUEST['file'];
//Check the database to see if there is an existing title
$recordDriver = new PublicEContentDriver($id);
$restrictedDriver = new RestrictedEContentDriver($id);
if (!$recordDriver->isValid() && !$restrictedDriver->isValid()) {
$output = json_encode(array('error' => 'Invalid Record. The specified title does not exist.'));
} else {
$itemId = $_REQUEST['item'];
if (!$recordDriver->isCheckedOut($itemId) && !$restrictedDriver->isCheckedOut($itemId)) {
$output = json_encode(array('error' => 'This title is not checked out to you. Please checkout the title.'));
} else {
//TODO: Validate that this file belongs to the checked out record
$libraryPath = $configArray['EContent']['library'];
$bookFile = "{$libraryPath}/{$file}";
if (!file_exists($bookFile)) {
$bookFile = null;
$epubExists = false;
} else {
$epubExists = true;
}
require_once ROOT_DIR . '/sys/eReader/ebook.php';
$ebook = new ebook($bookFile);
if ($epubExists) {
if ($_GET['method'] == 'getComponentCustom') {
//Content type will depend on the type of content created.
$output = $this->{$_GET}['method']($ebook, $id, $itemId, $file);
} else {
header('Content-type: text/plain');
header('Cache-Control: no-cache, must-revalidate');
// HTTP/1.1
header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
// Date in the past
if (is_callable(array($this, $_GET['method']))) {
$output = json_encode(array('result' => $this->{$_GET}['method']($ebook, $id, $itemId, $file)));
} else {
$output = json_encode(array('error' => 'invalid_method ' . $_GET['method']));
}
}
} else {
header('Content-type: text/plain');
header('Cache-Control: no-cache, must-revalidate');
// HTTP/1.1
header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
// Date in the past
$output = json_encode(array('error' => 'e-pub file does not exist'));
}
}
}
echo $output;
}
