forked from filipg/twilight-library
46 lines
1.6 KiB
Haskell
46 lines
1.6 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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extractRecords = extractLinksWithText "//a[contains(@title,'Aneks') and contains(text(),'Nr')]"
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>>> second (arr $ replace "\n" "")
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>>> first (extractLinksWithText "//div/a[contains(@href,'.pdf')]") -- pobieramy stronę z adresu URL i wyciągamy linki z tej strony pasujące do wyrażenia XPathowego
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-- ostatecznie wyjdą trójki? ((Link, tekst: "Wyświetl cały numer"), Numer Magazynu)
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-- ... a tutaj te trójki przerabiamy do docelowej struktury ShadowItem
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toShadowItem :: ((String, String), String) -> ShadowItem
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toShadowItem ((url, blank), yearlyTitle) =
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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 = "Aneks " ++ yearlyTitle
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date = getDate url
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getDate url =
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case url =~~ "/(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 url: " ++ url
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main = do
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let start = "https://aneks.kulturaliberalna.pl/archiwum-aneksu/"
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let shadowLibrary = ShadowLibrary {logoUrl=Nothing,
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lname="Archiwum Aneksu",
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abbrev="ArchAnek",
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lLevel=0,
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webpage=start}
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extractItemsStartingFromUrl shadowLibrary start (extractRecords >>> arr toShadowItem) |