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module Page
( getPage
) where
import Control.Exception (SomeException, try)
import qualified Data.Text as T
import Network.HTTP (simpleHTTP, getRequest, getResponseBody)
import Model.URL
getPage :: URL -> IO (Either T.Text T.Text)
getPage url =
mapLeft (T.pack . show) <$> (try (unsafeGetPage url) :: IO (Either SomeException T.Text))
unsafeGetPage :: URL -> IO T.Text
unsafeGetPage url = simpleHTTP (getRequest url) >>= (\x -> T.pack <$> getResponseBody x)
mapLeft :: (a -> c) -> Either a b -> Either c b
mapLeft f (Left l) = Left (f l)
mapLeft _ (Right r) = (Right r)
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