public static function identities(Tacit $app)
{
if (!is_array(static::$identities)) {
$identitiesFile = $app->config('tacit.identitiesFile');
if (is_readable($identitiesFile)) {
static::$identities = (include $identitiesFile);
}
}
return static::$identities;
}
/**
* Respond to the request with a resource.
*
* @param ResourceInterface $resource A fractal resource.
* @param int $type The type of resource to respond with.
* @param int $status The HTTP status code to respond with.
* @param array $meta An optional array of metadata for the response.
*
* @return void
*/
protected function respond($resource, $type = self::RESOURCE_TYPE_ITEM, $status = 200, $meta = array())
{
$bodyRaw = null;
if ($resource !== null && $status !== 204) {
$bodyRaw = [];
$scope = $this->fractal->createData($resource)->toArray();
switch ($type) {
case self::RESOURCE_TYPE_ITEM:
$bodyRaw['_links'] = $this->refs();
foreach ($scope['data'] as $key => $value) {
$bodyRaw[$key] = $value;
}
break;
case self::RESOURCE_TYPE_COLLECTION:
$links = array();
$total = $meta['total'];
$limit = isset($meta['limit']) && (int) $meta['limit'] > 0 ? (int) $meta['limit'] : (int) $this->app->request->get('limit', 25);
$offset = isset($meta['offset']) ? (int) $meta['offset'] : (int) $this->app->request->get('offset', 0);
if ($total > $offset) {
$links['first'] = static::ref($this->app, $this->route->getParams(), $offset > 0 ? ['offset' => 0] : [], '(First)');
$links['prev'] = $offset > 0 ? static::ref($this->app, $this->route->getParams(), ['offset' => $offset - $limit], '(Previous)') : null;
$links['next'] = $offset + $limit < $total ? static::ref($this->app, $this->route->getParams(), ['offset' => $offset + $limit], '(Next)') : null;
$links['last'] = static::ref($this->app, $this->route->getParams(), ['offset' => floor(($total - 1) / $limit) * $limit], '(Last)');
}
$bodyRaw['_links'] = $this->refs(array_filter($links));
$bodyRaw['_embedded'][$meta['collectionName']] = $scope['data'];
$bodyRaw['total_items'] = $total;
$bodyRaw['returned_items'] = count($scope['data']);
$bodyRaw['limit'] = $limit;
$bodyRaw['offset'] = $offset;
break;
case self::RESOURCE_TYPE_ERROR:
$bodyRaw = $scope['data'];
break;
}
}
/* @var \Slim\Http\Response $response */
$response = $this->app->response;
$response->headers->set('Content-Type', static::$responseType);
if (isset($meta['headers']) && is_array($meta['headers'])) {
foreach ($meta['headers'] as $headerKey => $headerValue) {
$response->headers->set($headerKey, $headerValue);
}
}
$response->setStatus($status);
if ($bodyRaw !== null && $status !== 204) {
if ($this->app->config('debug') === true) {
$bodyRaw['execution_time'] = microtime(true) - $this->app->config('startTime');
}
$response->setBody($this->encode($bodyRaw));
}
$this->app->stop();
}
