forked from filipg/twilight-library
50 lines
1.8 KiB
Haskell
50 lines
1.8 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 "//li/a[contains(@href,'/lata')]"
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>>> first (extractLinksWithText "//li/a[contains(@href,'start=')]"
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>>> first (extractLinksWithText "//a[contains(@href, '/archiwum/images/19') or contains(@href, '/Trybuna')]"))
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toShadowItem :: (((String, 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 form,
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finalUrl = url
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}
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where title = "Instytut Techniki Gorniczej " ++ yearlyTitle ++ " " ++ (replace "\r\n" "" (replace "\r\n " "" articleTitle))
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date = getDate $ replace "%20" "" url
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form = unwords $ map stringToLower [getFormat url]
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getDate url =
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case url =~~ "(19[0-9][0-9]|20[0-9][0-9]).*\\..{3}" :: Maybe [[String]] of
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Just [[_, year]] -> year
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otherwise -> error $ "unexpected url: " ++ url
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getFormat url =
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case url =~~ "([a-zA-Z]+$)" :: Maybe [[String]] of
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Just [[_, format]] -> format
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otherwise -> error $ "unexpected url: " ++ url
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main = do
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let start = "http://komag.gliwice.pl/archiwum/historia-komag/"
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let shadowLibrary = ShadowLibrary {logoUrl=Nothing,
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lname="Instytut Techniki Gorniczej",
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abbrev="Komag",
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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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