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2 Commits

Author SHA1 Message Date
Adam Wojdyla
c24cc19071 update 2022-06-05 22:01:43 +02:00
Adam Wojdyla
6d76579ae4 hs app added 2022-04-19 21:07:40 +02:00
4 changed files with 90 additions and 15 deletions

7
README.md Normal file
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@ -0,0 +1,7 @@
# Build and run project
`stack install`
`stack build`
`stack exec pti`

49
app/pti.hs Normal file
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{-# LANGUAGE Arrows, NoMonomorphismRestriction #-}
import ShadowLibrary.Core
import Text.XML.HXT.Core
import Text.XML.HXT.XPath
-- import Text.XML.HXT.Curl
import Data.List
import Data.List.Utils (replace)
import Text.Regex.Posix
import Text.Printf
extractRecords = extractLinksWithText "//div[@class='sidebar']/ul/li/a" -- pary adres-tytuł
>>> second (arr $ replace "\r\n " " ") -- czyścimy drugi element pary, czyli tytuł z niepotrzebnych białych znaków
-- >>> first (arr ((++"tr") . init)) -- modyfikujemy pierwszy element pary, czyli adres URL
>>> 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
-- ostatecznie wyjdą trójki ((adres URL, tytuł artykułu), tytuł rocznika)
-- ... a tutaj te trójki przerabiamy do docelowej struktury ShadowItem
toShadowItem :: ((String, String), String) -> ShadowItem
toShadowItem ((url, articleTitle), yearlyTitle) =
(defaultShadowItem url title) {
originalDate = Nothing,
itype = "periodical",
format = Just "pdf",
finalUrl = url
}
where title = "Historia Informatyki " ++ yearlyTitle
date = getDate url
getDate url =
case url =~~ "/(19[0-9][0-9]|20[0-9][0-9])/" :: Maybe [[String]] of
Just [[_, year]] -> year
otherwise -> error $ "unexpected url: " ++ url
main = do
let start = "http://klio.spit.iq.pl/"
let shadowLibrary = ShadowLibrary {logoUrl=Nothing,
lname="Historia polskiej informatyki",
abbrev="HistPolInf",
lLevel=0,
webpage=start}
extractItemsStartingFromUrl shadowLibrary start (extractRecords >>> arr toShadowItem)

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@ -5,8 +5,8 @@ description: Please see README.md
homepage: http://github.com/name/project
license: Proprietary
license-file: LICENSE
author: Your name here
maintainer: your.address@example.com
author: Adam Wojdyła
maintainer: adawoj5@st.amu.edu.pl
-- copyright:
category: Web
build-type: Simple
@ -34,18 +34,18 @@ library
, tz
default-language: Haskell2010
-- executable maly-modelarz-exe
-- hs-source-dirs: app
-- main-is: malymodelarz.hs
-- ghc-options: -threaded -rtsopts -with-rtsopts=-N
-- build-depends: base
-- , hxt
-- , hxt-curl
-- , hxt-xpath
-- , MissingH
-- , regex-posix
-- , shadow-library
-- default-language: Haskell2010
executable pti
hs-source-dirs: app
main-is: pti.hs
ghc-options: -threaded -rtsopts -with-rtsopts=-N
build-depends: base
, hxt
, hxt-curl
, hxt-xpath
, MissingH
, regex-posix
, shadow-library
default-language: Haskell2010
executable almanachmuszyny
hs-source-dirs: app
@ -62,4 +62,4 @@ executable almanachmuszyny
source-repository head
type: git
location: https://github.com/name/project
location: https://git.wmi.amu.edu.pl/s444507/twilight-library

19
stack.yaml.lock Normal file
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# This file was autogenerated by Stack.
# You should not edit this file by hand.
# For more information, please see the documentation at:
# https://docs.haskellstack.org/en/stable/lock_files
packages:
- completed:
hackage: hxt-xpath-9.1.2.2@sha256:9cd590ae93a04573db8f90fa4094625ebd97dded45da7667c577ce6b38a42900,1999
pantry-tree:
size: 2225
sha256: aee2f75974e868ff429b8ff349a29667536c60397098f5dfedc968d1951511bb
original:
hackage: hxt-xpath-9.1.2.2
snapshots:
- completed:
size: 507596
url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/11/9.yaml
sha256: 42f472dbf06482da1b3319241f3e3b3593a45bd7d4f537d2789f21386b9b2ad3
original: lts-11.9