module MediaWiki.API.Query.RecentChanges.Import where
import MediaWiki.API.Types
import MediaWiki.API.Utils
import MediaWiki.API.Query.RecentChanges
import Text.XML.Light.Types
import Control.Monad
import Data.Maybe
stringXml :: String -> Either (String,[String]) RecentChangesResponse
stringXml s = parseDoc xml s
xml :: Element -> Maybe RecentChangesResponse
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 "recentchanges" es)
let cont = pNode "query-continue" es1 >>= xmlContinue "recentchanges" "rcstart"
return emptyRecentChangesResponse
{ rchChanges = ps
, rchContinue = cont
}
xmlPage :: Element -> Maybe RecentChange
xmlPage e = do
guard (elName e == nsName "rc")
let ty = pAttr "type" e
let ns = fromMaybe mainNamespace $ pAttr "ns" e
let tit = fromMaybe "" $ pAttr "title" e
let pid = pAttr "pageid" e
let ns_t = pAttr "new_ns" e
let tit_t = pAttr "new_title" e
let pid_t = pAttr "new_pageid" e
let pg_to
| any isJust [ns_t,tit_t,pid_t]
= Just
emptyPageTitle{ pgNS=fromMaybe mainNamespace ns_t
, pgTitle=fromMaybe "" tit_t
, pgMbId=pid_t
}
| otherwise = Nothing
let rcid = pAttr "rcid" e
let revid = pAttr "revid" e
let revido = pAttr "old_revid" e
let usr = pAttr "user" e
let isa = isJust (pAttr "anon" e)
let isb = isJust (pAttr "bot" e)
let isn = isJust (pAttr "new" e)
let ism = isJust (pAttr "minor" e)
let len = pAttr "newlen" e >>= readMb
let leno = pAttr "oldlen" e >>= readMb
let ts = pAttr "timestamp" e
let co = pAttr "comment" e
return emptyRecentChange
{ rchType = ty
, rchPage = emptyPageTitle{pgNS=ns,pgTitle=tit,pgMbId=pid}
, rchPageTo = pg_to
, rchRcId = rcid
, rchRevId = revid
, rchRevOldId = revido
, rchUser = usr
, rchIsAnon = isa
, rchIsBot = isb
, rchIsNew = isn
, rchIsMinor = ism
, rchLength = len
, rchLengthOld = leno
, rchTimestamp = ts
, rchComment = co
}