in api/src/main/scala/com/gu/adapters/http/Filter.scala [57:68]
def queryString(f: Filters): String = {
val params = List(
"status" -> Some(f.status.asString),
"since" -> f.since.map(t => ISODateFormatter.print(t)),
"until" -> f.until.map(t => ISODateFormatter.print(t)),
"order" -> f.order.map(_.asString)
) collect {
case (key, Some(value)) => s"$key=$value"
}
params.mkString("?", "&", "")
}