MediaWiki/API/Query/ExternalURLUsage/Import.hs

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 Control.Monad
import Data.Maybe

stringXml :: String -> Either (String,[{-Error msg-}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})