Efficiently\AuthorityController\ControllerResource::findResource PHP Method

    protected function findResource()
    {
        $resource = null;
        if (array_key_exists('singleton', $this->options) && respond_to($this->getParentResource(), $this->getName())) {
            $resource = call_user_func([$this->getParentResource(), $this->getName()]);
        } else {
            $resourceModel = app($this->getResourceBase());
            if (array_key_exists('findBy', $this->options)) {
                if (respond_to($resourceModel, "findBy" . studly_case($this->options['findBy']))) {
                    $resource = call_user_func_array([$resourceModel, "findBy" . studly_case($this->options['findBy'])], [$this->getIdParam()]);
                } elseif (respond_to($resourceModel, camel_case($this->options['findBy']))) {
                    $resource = call_user_func_array([$resourceModel, camel_case($this->options['findBy'])], [$this->getIdParam()]);
                } else {
                    $resource = $resourceModel->where($this->getResourcePrimaryKey(), $this->getIdParam())->firstOrFail();
                }
            } else {
                $resource = $resourceModel->where($this->getResourcePrimaryKey(), $this->getIdParam())->firstOrFail();
            }
        }
        if (!is_null($resource)) {
            return $resource;
        }
        throw new \Illuminate\Database\Eloquent\ModelNotFoundException();
    }