1 files changed, 37 insertions, 0 deletions
diff --git a/fig-frontend/src/Fig/Frontend/Utils.hs b/fig-frontend/src/Fig/Frontend/Utils.hs
new file mode 100644
index 0000000..1ba1d5f
--- /dev/null
+++ b/fig-frontend/src/Fig/Frontend/Utils.hs
@@ -0,0 +1,37 @@
+{-# Language RecordWildCards #-}
+{-# Language ApplicativeDo #-}
+
+module Fig.Frontend.Utils
+  ( FigFrontendException(..)
+  , loadConfig
+  , Config(..)
+  , module Network.HTTP.Types.Status
+  ) where
+
+import Fig.Prelude
+
+import Network.HTTP.Types.Status
+
+import qualified Toml
+
+newtype FigFrontendException = FigFrontendException Text
+  deriving (Show, Eq, Ord)
+instance Exception FigFrontendException
+
+data Config = Config
+  { port :: Int
+  , assetPath :: FilePath
+  , clientId :: Text
+  } deriving (Show, Eq, Ord)
+
+configCodec :: Toml.TomlCodec Config
+configCodec = do
+  port <- Toml.int "port" Toml..= (\a -> a.port)
+  assetPath <- Toml.string "asset_path" Toml..= (\a -> a.assetPath)
+  clientId <- Toml.text "client_id" Toml..= (\a -> a.clientId)
+  pure $ Config{..}
+
+loadConfig :: FilePath -> IO Config
+loadConfig path = Toml.decodeFileEither configCodec path >>= \case
+  Left err -> throwM . FigFrontendException $ tshow err
+  Right config -> pure config