in app/com/gu/floodgate/contentsource/ContentSourceApi.scala [40:45]
def getContentSources(id: String) = Action.async { implicit request =>
contentSourceService.getContentSources(id) map {
case Right(cs) => Ok(Json.toJson(ContentSourcesResponse(cs)))
case Left(error) => NotFound(Json.toJson(ErrorResponse(error.message)))
}
}