46 lines
1.4 KiB
Haskell
46 lines
1.4 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(@href,'.pdf')]"
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toShadowItem :: (String, String) -> ShadowItem
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toShadowItem (url, nr) =
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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 = "Wszechświat " ++ "Rok " ++ getDate url ++ " " ++ getNr nr
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date = getDate url
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getDate url =
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case url =~~ "/pdf_(19[0-9][0-9]|20[0-9][0-9]|18[0-9][0-9]|19[0-9][0-9]_19[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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getNr nr =
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case nr =~~ "(Nr [0-9][0-9]|Nr [0-9][0-9]-[0-9][0-9])" :: Maybe [[String]] of
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Just [[_, nr]] -> nr
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otherwise -> error $ "unexpected url: " ++ nr
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main = do
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let start = "https://www.ptpk.org/archiwum.html"
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let shadowLibrary = ShadowLibrary {logoUrl=Nothing,
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lname="Czasopismo Wszechświat",
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abbrev="Wszechświat",
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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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