{-# LANGUAGE Arrows, NoMonomorphismRestriction #-} import ShadowLibrary.Core import Text.XML.HXT.Core import Text.XML.HXT.XPath -- import Text.XML.HXT.Curl import Data.List import Data.List.Utils (replace) import Text.Regex.Posix import Text.Printf extractNestedLinksWithText xpathCondition = (downloadDocument &&& this) >>> first (getXPathTrees xpathCondition >>> ( (getXPathTrees "//a" >>> getAttrValue "href") &&& (listA (deep isText >>> getText) >>> arr (intercalate " ")) )) >>> arr rotateSecTh -- ((a, b), c) -> ((a, c), b) >>> first expandURIFixed getLinkAndText xpathCondition = proc doc -> do xpathTrees <- getXPathTrees xpathCondition -< doc href <- (getXPathTrees "//a" >>> getAttrValue "href") -< xpathTrees txt <- (listA (deep isText >>> getText) >>> arr (intercalate " ")) -< xpathTrees returnA -< (href, txt) extractNestedLinksWithText2 xpathCondition = proc x -> do doc <- downloadDocument -< x thisValue <- this -< x ((a,b),c) <- getLinkAndText xpathCondition -< doc uriFixed <- expandURIFixed -< (a,c) returnA -< (uriFixed, b) extractRecords = extractLinksWithText "(//aside[@class='widget widget_maxmegamenu']//a[@class='mega-menu-link'])[1]" -- pary adres-tytuł podstrony >>> first (extractLinksWithText "(//aside[@class='widget widget_maxmegamenu']//a[@class='mega-menu-link'])[1]") -- pobieramy podstronę i kolejne podstrony z menu >>> first (first (extractNestedLinksWithText "//big/a[contains(@href,'.pdf')][img]")) -- pobieramy stronę z adresu URL i wyciągamy linki z tej strony pasujące do wyrażenia XPathowego -- ostatecznie wyjdą krotki (((adres URL, tytuł nr-u), tytuł podstrony 2), tytuł podstrony 1) extractRecords2 = proc x -> do (a, b) <- extractLinksWithText "(//aside[@class='widget widget_maxmegamenu']//a[@class='mega-menu-link'])[1]" -< x -- pary adres-tytuł podstrony (a', b') <- (extractLinksWithText "(//aside[@class='widget widget_maxmegamenu']//a[@class='mega-menu-link'])[1]") -< a -- pobieramy podstronę i kolejne podstrony z menu a'' <- (extractNestedLinksWithText "//big/a[contains(@href,'.pdf')][img]") -< a' -- pobieramy stronę z adresu URL i wyciągamy linki z tej strony pasujące do wyrażenia XPathowego returnA -< a'' -- ostatecznie wyjdą krotki (((adres URL, tytuł nr-u), tytuł podstrony 2), tytuł podstrony 1) -- ... a tutaj te krotki przerabiamy do docelowej struktury ShadowItem toShadowItem :: (((String, String), String), String) -> ShadowItem toShadowItem (((url, releaseTitle), collectionTitle), categoryTitle) = (defaultShadowItem url title) { originalDate = Just date, itype = "periodical", format = Just "pdf", finalUrl = url } where title = categoryTitle ++ (" " ++ collectionTitle) date = getDate $ releaseTitle getDate yearlyTitle = case yearlyTitle =~~ "/(19[0-9][0-9]|20[0-9][0-9])/" :: Maybe [[String]] of Just [[_, year]] -> year -- otherwise -> error $ "unexpected yearlyTitle: " ++ yearlyTitle otherwise -> yearlyTitle main = do let start = "http://zborbielawa.pl/archiwum/" let shadowLibrary = ShadowLibrary {logoUrl=Nothing, lname="Zbór Bielawa", abbrev="ZboBiel", lLevel=0, webpage=start} extractItemsStartingFromUrl shadowLibrary start (extractRecords >>> arr toShadowItem)