charlotte-ruby/impressionist

ImpressionistController::InstanceMethods.send(:define_method, :direct_create_statement) do |query_params={}|
    # creates a statment hash that contains default values for creating an impression.
    # if :impressionable_id is a valid ObjectId then convert it into one
    base = (defined? Moped) ? Moped::BSON : BSON
    query_params.reverse_merge!(
        :impressionable_type => controller_path.singularize.camelize,
        :impressionable_id=> !base::ObjectId.legal?(params[:id]) ? params[:id] : base::ObjectId.from_string(params[:id])
    )
    associative_create_statement(query_params)
end