Add http-conduit and http-types dependencies.

[dead/lwn-epub.git] / src / Main.hs

diff --git a/src/Main.hs b/src/Main.hs
index 88ba39c5ff493cd9b3b0acafc9992738d080138f..3ce1eef324283e94ac6ae1cb1850d35edca79619 100644 (file)
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -2,6 +2,8 @@
 module Main
 where
 
+import Control.Concurrent.ParallelIO (stopGlobalPool)
+import System.Directory (doesFileExist)
 import System.IO (
   Handle,
   IOMode (WriteMode),
@@ -10,6 +12,8 @@ import System.IO (
 
 import CommandLine (show_help)
 import Configuration (Cfg(..), get_cfg)
+import LWN.Article (real_article_path)
+import LWN.HTTP (get_login_cookie)
 import LWN.Page (epublish, page_from_url)
 
 
@@ -24,9 +28,18 @@ get_output_handle path =
     openBinaryFile path WriteMode
 
 
+argument_is_file :: Cfg -> IO Bool
+argument_is_file cfg = do
+  path <- real_article_path (article cfg)
+  doesFileExist path
+
 main :: IO ()
 main = do
-  cfg <- get_cfg
+  cfg' <- get_cfg
+  aif <- argument_is_file cfg'
+  cfg  <- case aif of
+           False -> get_login_cookie cfg'
+           True  -> return cfg'
   page <- page_from_url cfg (article cfg)
   case page of
     Just p -> do
@@ -35,3 +48,6 @@ main = do
     Nothing -> do
       _ <- show_help
       return ()
+
+  -- Necessary, for some reason.
+  stopGlobalPool