/**
* Handle request
*
* router.template.php can be used as a template on how to create a controller for a request handler.
*
* Example code:
*
* <code>
* require_once(dirname(__FILE__)."/autoload.php");
* if(file_exists("connection.php")){
* require("connection.php");
* }
*
* LudoDBRegistry::set('DEVELOP_MODE', true);
* LudoDB::enableLogging();
*
* $request = isset($_GET['request']) ? $_GET['request'] : $_POST['request'];
* $data = isset($_POST['data']) ? $_POST['data'] : null;
*
* $handler = new LudoDBRequestHandler();
* echo $handler->handle($request, $data);
* </code>
*
* @param String $request
* @param Array|Null $data
* @return string
* @throws LudoDBObjectNotFoundException
* @throws LudoDBServiceNotImplementedException
* @throws LudoDBInvalidServiceException
* @throws LudoDBInvalidArgumentsException
*/
public function handle($request, $data = null)
{
$this->request = $request;
try {
$data = $this->runAndRemoveProgressBar($data);
if (!isset($this->request)) {
throw new LudoDBInvalidArgumentsException("No request");
}
$this->arguments = $this->getArguments();
$this->resourceName = $this->getClassName($request);
$this->resource = $this->getResource($this->arguments);
$this->validServices = $this->getValidServices();
$this->serviceName = $this->getServiceName();
if (!in_array($this->serviceName, $this->validServices)) {
throw new LudoDBInvalidServiceException('Invalid service ' . $this->serviceName . ', resource: ' . $this->getClassName($request));
}
if (!$this->resource->validateArguments($this->serviceName, $this->arguments)) {
throw new LudoDBInvalidArgumentsException('Invalid constructor arguments for resource:' . $this->getClassName($request) . ', service:' . $this->serviceName . ", arguments: " . implode(",", $this->arguments));
}
if (!$this->resource->validateServiceData($this->serviceName, $data)) {
throw new LudoDBInvalidArgumentsException('Invalid service data/arguments for resource:' . $this->getClassName($request) . ', service:' . $this->serviceName . ", arguments: " . implode(",", $this->arguments));
}
if ($this->serviceName === 'delete' || $this->serviceName === 'read') {
if ($this->resource instanceof LudoDBModel && !$this->resource->getId()) {
throw new LudoDBObjectNotFoundException('Object not found');
}
}
if (isset($this->authenticator)) {
$success = $this->authenticator->authenticate($this->resourceName, $this->serviceName, $this->arguments, $data);
if (!$success) {
throw new LudoDBUnauthorizedException('Not authorized');
}
}
if (!method_exists($this->resource, $this->serviceName)) {
throw new LudoDBServiceNotImplementedException("Service " . $this->serviceName . " not implemented");
}
if ($this->resource->shouldCache($this->serviceName)) {
return $this->toJSON($this->getCached($data));
} else {
return $this->toJSON($this->resource->{$this->serviceName}($data));
}
} catch (Exception $e) {
$this->message = $e->getMessage();
$this->code = $e->getCode();
$this->success = false;
return $this->toJSON(array());
}
}
/**
* Return "update" SQL.
* @return string
*/
public function getUpdateSql()
{
return "update " . $this->obj->configParser()->getTableName() . " set " . $this->getUpdatesForSql($this->obj->getUncommitted()) . " where " . $this->obj->configParser()->getIdField() . " = '" . $this->obj->getId() . "'";
}
