/**
* Execute the request.
*/
public function execute()
{
// Get resource item id from input.
$this->id = (int) $this->input->get('id');
// Get resource item data.
$data = $this->getData();
// Get service object.
$service = $this->getService();
// We need to add a link from the current category to the content items that
// exist within the category. However, we only know the name of the extension
// and not the resource name used by the API. We try to work out the correct
// entry to make by doing a reverse-lookup on the router maps.
if (isset($data->extension)) {
// Get the component name (without the com_ prefix).
$extension = str_replace('com_', '', $data->extension);
// Get the router maps.
$maps = $this->app->getMaps();
// Construct the regex pattern of the route we want to find.
$pattern = '#component/' . $extension . '/(.*)List#';
// Look for an appropriate route.
foreach ($maps as $rel => $route) {
if (substr($rel, 0, 17) == 'joomla:categories') {
// Look for a match for our route.
$matches = array();
preg_match($pattern, $route, $matches);
if (!empty($matches)) {
// Add a link to the resources associated with the category.
$linkRel = 'joomla:' . strtolower($matches[1]);
$linkHref = '/' . str_replace(':catid', $this->id, $rel);
$service->addLink(new ApiApplicationHalLink($linkRel, $linkHref));
}
}
}
}
// Load the data into the HAL object.
$service->load($data);
parent::execute();
}
