twilight-library/app/parafiasremm.hs
2022-03-31 12:17:33 +02:00

44 lines
1.5 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 "//a[contains(@href, 'index.php?download=gazetka')]" -- pary adres-tytuł
>>> second (arr $ replace "\r\n " " ") -- czyścimy drugi element pary, czyli tytuł z niepotrzebnych białych znaków
>>> first (arr $ replace "index.php?download=" "pliki/") -- modyfikujemy pierwszy element pary, czyli adres URL
toShadowItem :: (String, String) -> ShadowItem
toShadowItem (url, articleTitle) =
(defaultShadowItem url title) {
originalDate = Just date,
itype = "periodical",
format = Just "pdf",
finalUrl = url
}
where title = "Parafia Srem " ++ articleTitle
date = getDate url
getDate url =
case url =~~ "(20[0-1][0-9])" :: Maybe [[String]] of
Just [[_, year]] -> year
otherwise -> error $ "unexpected url: " ++ url
main = do
let start = "https://sremfara.pl/miesiecznik_30.html"
let shadowLibrary = ShadowLibrary {logoUrl=Nothing,
lname="Parafia Sremm",
abbrev="ParSre",
lLevel=0,
webpage=start}
extractItemsStartingFromUrl shadowLibrary start (extractRecords >>> arr toShadowItem)