From 66720e3317fd92c0756b7cf2a5e6258540c79a4f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Miko=C5=82aj=20Pokrywka?= Date: Sat, 16 Apr 2022 12:44:23 +0200 Subject: [PATCH] first own commit --- app/kulturaparyska.hs | 46 +++++++++++++++++++++++++++++++++++++++++++ stack.yaml.lock | 19 ++++++++++++++++++ 2 files changed, 65 insertions(+) create mode 100644 app/kulturaparyska.hs create mode 100644 stack.yaml.lock diff --git a/app/kulturaparyska.hs b/app/kulturaparyska.hs new file mode 100644 index 0000000..ebc4f5c --- /dev/null +++ b/app/kulturaparyska.hs @@ -0,0 +1,46 @@ + +{-# 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 "//a[@class='roczniki']" -- 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 "//li/a[contains(@href,'.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 = Just date, + itype = "periodical", + format = Just "pdf", + finalUrl = url + } + where title = "Almanach Muszyny " ++ yearlyTitle ++ " " ++ (replace "\r\n" "" (replace "\r\n " "" articleTitle)) + 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://www.almanachmuszyny.pl/" + let shadowLibrary = ShadowLibrary {logoUrl=Nothing, + lname="Almanach Muszyny", + abbrev="AlmMusz", + lLevel=0, + webpage=start} + extractItemsStartingFromUrl shadowLibrary start (extractRecords >>> arr toShadowItem) diff --git a/stack.yaml.lock b/stack.yaml.lock new file mode 100644 index 0000000..cc80ef3 --- /dev/null +++ b/stack.yaml.lock @@ -0,0 +1,19 @@ +# 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