module Page
  ( getPage
  ) where

import Control.Exception (SomeException, try)

import Network.HTTP (simpleHTTP, getRequest, getResponseBody)

getPage :: String -> IO (Either String String)
getPage url =
  mapLeft show <$> (try (simpleHTTP (getRequest url) >>= getResponseBody) :: IO (Either SomeException String))

mapLeft :: (a -> c) -> Either a b -> Either c b
mapLeft f (Left l) = Left (f l)
mapLeft _ (Right r) = (Right r)