twilight-library/app/bibliotekasejmowa.hs

47 lines
1.7 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
extractAllPDFs = extractLinksWithText "/html/body/table[4]/tbody/tr[7]/td[2]/a"
extractRecords = extractLinksWithText "//table[3]//a"
>>> first (extractLinksWithText "//table[3]//a"
>>> first (extractLinksWithText "//table[4]//a"
>>> first (extractAllPDFs
>>> first(arr $ (drop 23 ) . init . init . init))))
toShadowItem :: ((((String, String), String), String), String) -> ShadowItem
toShadowItem ((((url, typeName), articleTitle), _), category) =
(defaultShadowItem url title) {
originalDate = Just date,
itype = "periodical",
format = Just "pdf",
finalUrl = url
}
where title = "Biblioteka Sejmowa " ++ category ++ " " ++ typeName ++ " " ++ articleTitle
date = getDate articleTitle
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 = "https://bs.sejm.gov.pl/F/?con_lng=POL&func=file&file_name=find-nowe&local_base=ars01"
let shadowLibrary = ShadowLibrary {logoUrl=Nothing,
lname="Biblioteka Sejmowa",
abbrev="BiblSejm",
lLevel=0,
webpage=start}
extractItemsStartingFromUrl shadowLibrary start (extractRecords >>> arr toShadowItem)