tajemnica-atari/app/tajemnicaatari.hs
Rafał Sobański b3523fc2ad Robot Haskell
2021-04-06 16:38:26 +02:00

45 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
extractRecords = extractLinksWithText "//a[@class='ramka']" -- pary adres-tytuł
>>> first (extractLinksWithText "//div/a[contains(@href, '.zip') and not (contains(@href,'text_offline.zip'))]") -- tutaj wybieramy paczki zip z plikami DjVu, jeśli byśmy chcieli bezpośrednio format DjVu wystarczy trochę zmienić zapytanie XPatha.
-- ... 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 "zip",
finalUrl = url
}
where title = "Tajemnica Atari " ++ yearlyTitle ++ " " ++ (replace "\r\n" "" (replace "\r\n " "" articleTitle))
date = getDate url
getDate url =
case url =~~ "/([1-9]_9[0-9]|1[0-2]_9[0-9]|[1-9]-[1-9]_9[0-9]|1[0-2]-1[0-2]_9[0-9])/" :: Maybe [[String]] of
Just [[_, year]] -> year
otherwise -> error $ "unexpected url: " ++ url
main = do
let start = "http://krap.pl/mirrorz/atari/horror.mirage.com.pl/pixel/"
let shadowLibrary = ShadowLibrary {logoUrl=Nothing,
lname="Tajemnica Atari",
abbrev="TA",
lLevel=0,
webpage=start}
extractItemsStartingFromUrl shadowLibrary start (extractRecords >>> arr toShadowItem)