in app/com/gu/floodgate/contentsource/ContentSourceService.scala [19:25]
def getContentSource(id: String, environment: String): Either[CustomError, ContentSource] = {
contentSourceTable.getItem(id, environment) match {
case Some(result) =>
result.leftMap(err => ContentSourceNotFound(s"A content source with id: $id does not exist."))
case None => Left(ContentSourceNotFound(s"A content source with id: $id does not exist."))
}
}