twilight-library/app/pbsociety.hs
2020-06-22 17:49:53 +02:00

42 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 "//p"
>>> second (arr $ replace "\r\n " "")
-- >>> first (arr ((++"tr") . init))
>>> first (extractLinksWithText "//span//a[contains(@href,'.pdf')]")
toShadowItem :: ((String, String), String) -> ShadowItem
toShadowItem ((url, articleTitle), yearlyTitle) =
(defaultShadowItem url title) {
originalDate = Just date,
itype = "periodical",
format = Just "pdf",
finalUrl = url
}
where title = "Okragly stol " ++ 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])/(0[1-9]|1[0-2])/" :: Maybe [[String]] of
Just [[_, year, month]] -> year ++ "-" ++ month
otherwise -> error $ "unexpected url: " ++ url
main = do
let start = "http://okragly-stol.pl/stenogramy/"
let shadowLibrary = ShadowLibrary {logoUrl=Nothing,
lname="Okragly stol",
abbrev="OS",
lLevel=0,
webpage=start}
extractItemsStartingFromUrl shadowLibrary start (extractRecords >>> arr toShadowItem)