/**
* Parse a single resource using given modes
* @param array $modes
* @param mixed $resource
* @param array $root
* @param string $fullPropertyPath
* @return mixed
*/
private function parseResource(array $modes, &$resource, &$root, $fullPropertyPath = '')
{
foreach ($modes as $relation => $mode) {
$modeResolver = $this->resolveMode($mode);
$steps = explode('.', $relation);
// Get the first resource in the relation
// TODO: Refactor
$property = array_shift($steps);
if (is_array($resource)) {
if ($resource[$property] === null) {
continue;
}
$object =& $resource[$property];
} else {
if ($resource->{$property} === null) {
continue;
}
$object =& $resource->{$property};
}
if (empty($steps)) {
// This is the deepest level. Resolve it.
$fullPropertyPath .= $relation;
$object = $this->modeResolvers[$mode]->resolve($relation, $object, $root, $fullPropertyPath);
} else {
// More levels exist in this relation.
// We want a drill down and resolve the deepest level first.
$path = implode('.', $steps);
$modes = [$path => $mode];
// Add the previous levels to the full path so it can be used
// to populate the root level properly.
$fullPropertyPath .= $property . '.';
if (Utility::isCollection($object)) {
$object = $this->parseCollection($modes, $object, $root, $fullPropertyPath);
} else {
$object = $this->parseResource($modes, $object, $root, $fullPropertyPath);
}
}
// Reset the full property path after running a full relation
$fullPropertyPath = '';
Utility::setProperty($resource, $property, $object);
}
return $resource;
}
