use config-manager instead of ConfigFile

1 files changed, 27 insertions, 0 deletions

diff --git a/src/server/Conf.hs b/src/server/Conf.hs
new file mode 100644
index 0000000..f66eb5e
--- /dev/null
+++ b/src/server/Conf.hs
@@ -0,0 +1,27 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module Conf
+  ( getConf
+  , Conf(..)
+  ) where
+
+import Data.Text (Text)
+import qualified Data.ConfigManager as Conf
+
+data Conf = Conf
+  { hostname :: Text
+  , port :: Int
+  , signInExpirationMn :: Int
+  , currency :: Text
+  } deriving (Read, Eq, Show)
+
+getConf :: FilePath -> IO (Either Text Conf)
+getConf path =
+  (flip fmap) (Conf.readConfig path) (\configOrError -> do
+    conf <- configOrError
+    Conf <$>
+      Conf.lookup "hostname" conf <*>
+      Conf.lookup "port" conf <*>
+      Conf.lookup "signInExpirationMn" conf <*>
+      Conf.lookup "currency" conf
+  )