/**
* Adds an operation known to be supported by instances of this class
*
* @param array $operations The operation known to be supported by
* instances of this class.
*
* @return PropertyMetadata $this
*/
public function addOperation(OperationDefinition $operation)
{
if (false === $this->supportsOperation($operation->getName())) {
$this->operations[] = $operation;
}
return $this;
}
/**
* Generate a URL for the specified operation using the passed entity/data
*
* @param OperationDefinition $operation The operation specifying the route
* @param mixed $entity The entity to be used to fill URL variables
* @param mixed $value A value to be used to fill URL variables
*
* @return string|null The URL or null if the URL shouldn't be exposed.
*/
private function generateUrl(OperationDefinition $operation, $entity, $value = null)
{
$route = $operation->getRoute();
$routeVariables = $route->compile()->getVariables();
$variableValues = $route->getDefaults();
unset($variableValues['_controller']);
// TODO: Allow custom route variable mappings
if (is_array($value)) {
$variableValues += $value;
// FIXXME: Check if this is really what we want in all cases
} elseif (1 === count($routeVariables)) {
if (is_scalar($value)) {
$variableValues[reset($routeVariables)] = $value;
} elseif (is_object($value) && is_callable(array($value, 'getId'))) {
// TODO Make the is_callable check more robust
$variableValues[reset($routeVariables)] = $value->getId();
} elseif (is_object($entity) && is_callable(array($entity, 'getId'))) {
// TODO Check if this is want in all cases
$variableValues[reset($routeVariables)] = $entity->getId();
} elseif (null === $value) {
return null;
}
} else {
$accessor = PropertyAccess::createPropertyAccessor();
foreach ($routeVariables as $variable) {
try {
$variableValues[$variable] = $accessor->getValue($value, $variable);
} catch (\Exception $e) {
// do nothing, no such property exists
}
}
}
return $this->router->generate($operation->getName(), $variableValues);
}
