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