pepowo.hs
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app/pepowo.hs
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49
app/pepowo.hs
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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 "//h5/a[contains(@href,'-r')]" -- pary adres-tytuł
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>>> first (extractLinksWithText "//li/a[contains(@href,'.pdf')]") -- pobieramy stronę z adresu URL i wyciągamy linki z tej strony pasujące do wyrażenia XPathowego
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>>> second (arr $ replace "\r\n " " ")
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>>> second (arr $ replace "\347" "s") -- czyścimy drugi element pary, czyli tytuł z niepotrzebnych białych znaków
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>>> second (arr $ replace "\281" "e") -- czyścimy drugi element pary, czyli tytuł z niepotrzebnych białych znaków
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-- ostatecznie wyjdą trójki ((adres URL, tytuł artykułu), tytuł rocznika)
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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, articleNumber), mainTitle) =
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(defaultShadowItem url title) {
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originalDate = 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 = "Wiesci Pepowa" ++ (replace ".pdf" "" (replace "WP" "numer" articleNumber))
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date = getDate mainTitle
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getDate :: String -> Maybe String
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getDate title =
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case title =~~ "(19[0-9][0-9]|20[0-9][0-9])" :: Maybe [[String]] of
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Just [[_, year]] -> (Just year)
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otherwise -> Nothing
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main = do
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let start = "http://archiwum2019.pepowo.pl/news/c-10/gazeta"
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let start2 = "http://archiwum2019.pepowo.pl/news/c-10/gazeta/page/2"
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let shadowLibrary = ShadowLibrary {logoUrl=Nothing,
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lname="Wieści Pępowa",
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abbrev="WiesPep",
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lLevel=0,
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webpage="http://archiwum2019.pepowo.pl"}
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extractItemsStartingFromUrl shadowLibrary start (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start2 (extractRecords >>> arr toShadowItem)
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@ -59,6 +59,18 @@ executable almanachmuszyny
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, shadow-library
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, shadow-library
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default-language: Haskell2010
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default-language: Haskell2010
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executable pepowo
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hs-source-dirs: app
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main-is: pepowo.hs
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ghc-options: -threaded -rtsopts -with-rtsopts=-N
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build-depends: base
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, hxt
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, hxt-xpath
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, MissingH
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, regex-posix
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, shadow-library
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default-language: Haskell2010
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source-repository head
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source-repository head
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type: git
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type: git
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19
stack.yaml.lock
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stack.yaml.lock
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# This file was autogenerated by Stack.
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# You should not edit this file by hand.
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# For more information, please see the documentation at:
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# https://docs.haskellstack.org/en/stable/lock_files
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packages:
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- completed:
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hackage: hxt-xpath-9.1.2.2@sha256:9cd590ae93a04573db8f90fa4094625ebd97dded45da7667c577ce6b38a42900,1999
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pantry-tree:
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size: 2225
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sha256: aee2f75974e868ff429b8ff349a29667536c60397098f5dfedc968d1951511bb
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original:
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hackage: hxt-xpath-9.1.2.2
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snapshots:
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- completed:
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size: 507596
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url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/11/9.yaml
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sha256: 42f472dbf06482da1b3319241f3e3b3593a45bd7d4f537d2789f21386b9b2ad3
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original: lts-11.9
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