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7
README.md
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7
README.md
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@ -0,0 +1,7 @@
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# Build and run project
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`stack install`
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`stack build`
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`stack exec pti`
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49
app/pti.hs
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49
app/pti.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 "//div[@class='sidebar']/ul/li/a" -- pary adres-tytuł
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>>> second (arr $ replace "\r\n " " ") -- czyścimy drugi element pary, czyli tytuł z niepotrzebnych białych znaków
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-- >>> first (arr ((++"tr") . init)) -- modyfikujemy pierwszy element pary, czyli adres URL
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>>> first (extractLinksWithText "//a[contains(@href,'?wpfb') and contains(text(),'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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-- ... a tutaj te trójki przerabiamy do docelowej struktury ShadowItem
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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 = Nothing,
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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 = "Historia Informatyki " ++ 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 = "http://klio.spit.iq.pl/"
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let shadowLibrary = ShadowLibrary {logoUrl=Nothing,
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lname="Historia polskiej informatyki",
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abbrev="HistPolInf",
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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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@ -5,8 +5,8 @@ description: Please see README.md
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homepage: http://github.com/name/project
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license: Proprietary
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license-file: LICENSE
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author: Your name here
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maintainer: your.address@example.com
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author: Adam Wojdyła
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maintainer: adawoj5@st.amu.edu.pl
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-- copyright:
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category: Web
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build-type: Simple
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@ -34,18 +34,18 @@ library
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, tz
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default-language: Haskell2010
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-- executable maly-modelarz-exe
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-- hs-source-dirs: app
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-- main-is: malymodelarz.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-curl
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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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executable pti
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hs-source-dirs: app
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main-is: pti.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-curl
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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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executable almanachmuszyny
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hs-source-dirs: app
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@ -62,4 +62,4 @@ executable almanachmuszyny
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source-repository head
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type: git
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location: https://github.com/name/project
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location: https://git.wmi.amu.edu.pl/s444507/twilight-library
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19
stack.yaml.lock
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19
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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