Getting the hostname and the port in config file

1 files changed, 31 insertions, 0 deletions

diff --git a/src/server/Config.hs b/src/server/Config.hs
new file mode 100644
index 0000000..f4144f7
--- /dev/null
+++ b/src/server/Config.hs
@@ -0,0 +1,31 @@
+{-# LANGUAGE FlexibleContexts #-}
+
+module Config
+  ( getConfig
+  , Config(..)
+  ) where
+
+import Data.ConfigFile
+import Data.Text (Text)
+import qualified Data.Text as T
+
+import Control.Monad.Trans.Error (runErrorT)
+import Control.Monad.IO.Class (liftIO)
+import Control.Monad (join)
+import Control.Arrow (left)
+import Control.Applicative (liftA2)
+
+data Config = Config
+  { hostname :: Text
+  , port :: Int
+  } deriving (Read, Eq, Show)
+
+getConfig :: FilePath -> IO (Either String Config)
+getConfig filePath =
+  left show <$> (runErrorT $ do
+    cp <- join $ liftIO $ readfile emptyCP filePath
+    liftA2
+      Config
+      (T.pack <$> get cp "DEFAULT" "hostname")
+      (get cp "DEFAULT" "port")
+  )