1 files changed, 29 insertions, 0 deletions
diff --git a/fig-bridge-irc-discord/src/Fig/Bridge/IRCDiscord/Utils.hs b/fig-bridge-irc-discord/src/Fig/Bridge/IRCDiscord/Utils.hs
new file mode 100644
index 0000000..00d227d
--- /dev/null
+++ b/fig-bridge-irc-discord/src/Fig/Bridge/IRCDiscord/Utils.hs
@@ -0,0 +1,29 @@
+{-# Language ApplicativeDo #-}
+
+module Fig.Bridge.IRCDiscord.Utils
+  ( FigBridgeIRCDiscordException(..)
+  , Config(..)
+  , loadConfig
+  ) where
+
+import Fig.Prelude
+
+import qualified Toml
+
+newtype FigBridgeIRCDiscordException = FigBridgeIRCDiscordException Text
+  deriving (Show, Eq, Ord)
+instance Exception FigBridgeIRCDiscordException
+
+newtype Config = Config
+  { mapping :: [(Int, Text)]
+  } deriving (Show, Eq, Ord)
+
+configCodec :: Toml.TomlCodec Config
+configCodec = do
+  mapping <- Toml.list (Toml.pair (Toml.int "discord") (Toml.text "irc")) "mapping" Toml..= (\a -> a.mapping)
+  pure $ Config{..}
+
+loadConfig :: FilePath -> IO Config
+loadConfig path = Toml.decodeFileEither configCodec path >>= \case
+  Left err -> throwM . FigBridgeIRCDiscordException $ tshow err
+  Right config -> pure config