module MediaWiki.API.Query.ExternalURLUsage.Import where
import MediaWiki.API.Types
import MediaWiki.API.Utils
import MediaWiki.API.Query.ExternalURLUsage
import Text.XML.Light.Types
import Text.XML.Light.Proc ( strContent )
import Control.Monad
import Data.Maybe
stringXml :: String -> Either (String,[String]) ExternalURLUsageResponse
stringXml s = parseDoc xml s
xml :: Element -> Maybe ExternalURLUsageResponse
xml e = do
guard (elName e == nsName "api")
let es1 = children e
p <- pNode "query" es1
let es = children p
ps <- fmap (mapMaybe xmlPage) (fmap children $ pNode "exturlusage" es)
let cont = pNode "query-continue" es1 >>= xmlContinue "exturlusage" "euoffset"
return emptyExternalURLUsageResponse{euPages=ps,euContinue=cont}
xmlPage :: Element -> Maybe (URLString,PageTitle)
xmlPage e = do
guard (elName e == nsName "eu")
let ns = fromMaybe "0" $ pAttr "ns" e
let tit = fromMaybe "" $ pAttr "title" e
let mbpid = pAttr "pageid" e
let url = fromMaybe "" $ pAttr "url" e
return (url,emptyPageTitle{pgNS=ns,pgTitle=tit,pgMbId=mbpid})