Update code and fix parsers

1 files changed, 32 insertions, 0 deletions

diff --git a/src/Conf.hs b/src/Conf.hs
new file mode 100644
index 0000000..fccf2a5
--- /dev/null
+++ b/src/Conf.hs
@@ -0,0 +1,32 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module Conf
+  ( parse
+  , Conf(..)
+  ) where
+
+import Data.Text (Text)
+import qualified Data.ConfigManager as Conf
+import Data.Time.Clock (NominalDiffTime)
+
+import Model.URL
+
+data Conf = Conf
+  { url :: URL
+  , mailFrom :: Text
+  , mailTo :: [Text]
+  , properties :: [Text]
+  , listenInterval :: NominalDiffTime
+  } deriving Show
+
+parse :: FilePath -> IO (Either Text Conf)
+parse path =
+  (flip fmap) (Conf.readConfig path) (\configOrError -> do
+    conf <- configOrError
+    Conf <$>
+      Conf.lookup "url" conf <*>
+      Conf.lookup "mailFrom" conf <*>
+      Conf.lookup "mailTo" conf <*>
+      Conf.lookup "properties" conf <*>
+      Conf.lookup "listenInterval" conf
+  )