public function render()
{
// Generate the DOT source code, and write to a file.
$dot = new \Tabulate\Template('erd/erd.twig');
$dot->tables = $this->tables;
$dot->selectedTables = $this->selectedTables;
$dotCode = $dot->render();
$tmpFilePath = Config::storageDirTmp('erd/' . uniqid());
$dotFile = $tmpFilePath . '/erd.dot';
$pngFile = $tmpFilePath . '/erd.png';
file_put_contents($dotFile, $dotCode);
// Generate the image.
$cmd = Config::dotCommand() . ' -Tpng -o' . escapeshellarg($pngFile) . ' ' . escapeshellarg($dotFile);
$ds = array(0 => array('pipe', 'r'), 1 => array('pipe', 'w'), 2 => array('pipe', 'w'));
$pipes = false;
$proc = proc_open($cmd, $ds, $pipes, Config::storageDirTmp('erd'), array());
fclose($pipes[0]);
$out = stream_get_contents($pipes[1]);
fclose($pipes[1]);
$err = stream_get_contents($pipes[2]);
fclose($pipes[2]);
proc_close($proc);
if (!empty($err)) {
throw new \Exception("Error generating graph image. {$err}");
}
// Send the image.
header('Content-Type:image/png');
echo file_get_contents($pngFile);
// Clean up.
\Tabulate\File::rmdir($tmpFilePath);
}
public function index()
{
$template = new \Tabulate\Template('home.twig');
$template->title = 'Welcome!';
$template->tables = $this->db->getTables();
$template->user = $this->user;
echo $template->render();
}
case FastRoute\Dispatcher::NOT_FOUND:
http_response_code(404);
throw new \Exception("Not found: {$route}", 404);
break;
case FastRoute\Dispatcher::METHOD_NOT_ALLOWED:
$allowedMethods = $routeInfo[1];
// ... 405 Method Not Allowed
break;
case FastRoute\Dispatcher::FOUND:
$handler = explode('::', $routeInfo[1]);
$vars = $routeInfo[2];
$controllerName = '\\Tabulate\\Controllers\\' . $handler[0];
$controller = new $controllerName();
$action = $handler[1];
$controller->{$action}($vars);
exit(0);
break;
default:
http_response_code(500);
echo "Something odd has happened.";
exit(1);
break;
}
} catch (\Exception $e) {
//var_dump($e);exit();
$template = new Tabulate\Template('error_page.twig');
$template->title = 'Error';
$template->e = $e;
echo $template->render();
exit(1);
}