yesod-dsl-0.1: codegen/default-selectopts.cg
do
s <- lookupGetParam "sort"
rangeOpts <- getRangeSelectOpts
let s' = (maybe Nothing (decode . LBS.fromChunks .(:[]) . encodeUtf8) s) :: Maybe [SortJsonMsg]
return $ maybe [] (mapMaybe toDefaultSort~{entityName e}) s' ++ rangeOpts