forked from filipg/twilight-library
45 lines
1.6 KiB
Haskell
45 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 "" -- pary adres-tytuł
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>>> first (extractLinksWithText "//a[@target='_blank'][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 ((adres URL, tytuł artykułu), tytuł rocznika)
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toShadowItem :: ((String, String), String) -> ShadowItem
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toShadowItem ((url, articleTitle), 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 = replace "\"" "'" (replace "\t\t\t\t\t" "" (replace "\n" "" yearlyTitle)) ++ "articleTitle: " ++ articleTitle
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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://www.czasopisma.centralnabibliotekapttk.pl"
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let shadowLibrary = ShadowLibrary {logoUrl=Nothing,
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lname="Chelmek",
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abbrev="Chelmek",
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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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