twilight-library/app/chelmek.hs
Maciej Ścigacz ce0342076d fix chelmek
2022-05-05 20:30:14 +02:00

48 lines
1.6 KiB
Haskell

{-# 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='span4']//h2[@itemprop='name']/a[contains(@href,'o-nas')]" -- pary adres-tytuł
>>> first (extractLinksWithText "//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)
toShadowItem :: ((String, String), String) -> ShadowItem
toShadowItem ((url, articleTitle), yearlyTitle) =
(defaultShadowItem url title) {
originalDate = Just date,
itype = "periodical",
format = Just "pdf",
finalUrl = url
}
where title = replace "\"" "'" articleTitle
date = getDate yearlyTitle
getDate yearlyTitle =
case yearlyTitle =~~ "(19[0-9][0-9]|20[0-9][0-9])" :: Maybe [[String]] of
Just [[_, year]] -> year
otherwise -> "unexpected yearlyTitle" ++ yearlyTitle
main = do
let start = "http://moksir.chelmek.pl/o-nas/echo-chelmka"
let shadowLibrary = ShadowLibrary {logoUrl=Nothing,
lname="Chelmek",
abbrev="Chelmek",
lLevel=0,
webpage=start}
extractItemsStartingFromUrl shadowLibrary start (extractRecords >>> arr toShadowItem)