3 files changed, 10 insertions, 13 deletions
diff --git a/src/server/Conf.hs b/src/server/Conf.hs
index 2269cf2..14da50f 100644
--- a/src/server/Conf.hs
+++ b/src/server/Conf.hs
@@ -7,14 +7,15 @@ module Conf
 
 import Data.Text (Text)
 import qualified Data.ConfigManager as Conf
+import Data.Time.Clock (NominalDiffTime)
 
 data Conf = Conf
   { hostname :: Text
   , port :: Int
-  , signInExpirationMn :: Int
+  , signInExpiration :: NominalDiffTime
   , currency :: Text
   , noReplyMail :: Text
-  } deriving (Read, Eq, Show)
+  } deriving Show
 
 getConf :: FilePath -> IO (Either Text Conf)
 getConf path =
@@ -23,7 +24,7 @@ getConf path =
     Conf <$>
       Conf.lookup "hostname" conf <*>
       Conf.lookup "port" conf <*>
-      Conf.lookup "signInExpirationMn" conf <*>
+      Conf.lookup "signInExpiration" conf <*>
       Conf.lookup "currency" conf <*>
       Conf.lookup "noReplyMail" conf
   )
diff --git a/src/server/Controller/SignIn.hs b/src/server/Controller/SignIn.hs
index 95cfd07..33c19b4 100644
--- a/src/server/Controller/SignIn.hs
+++ b/src/server/Controller/SignIn.hs
@@ -76,7 +76,7 @@ validateSignIn conf textToken = do
               return . Left $ SignInUsed
             else
               let diffTime = now `diffUTCTime` (signInCreation . entityVal $ signInValue)
-              in  if diffTime > (fromIntegral $ (signInExpirationMn conf) * 60)
+              in  if diffTime > signInExpiration conf
                     then
                       return . Left $ SignInExpired
                     else do
diff --git a/src/server/Model/Message/Key.hs b/src/server/Model/Message/Key.hs
index e9cbf99..6f29f43 100644
--- a/src/server/Model/Message/Key.hs
+++ b/src/server/Model/Message/Key.hs
@@ -4,9 +4,8 @@ module Model.Message.Key
   ( Key(..)
   ) where
 
-import GHC.Generics
-
-import Data.Aeson
+import qualified Data.Aeson as Json
+import qualified Data.Text as T
 
 data Key =
 
@@ -79,10 +78,7 @@ data Key =
   | NetworkError
   | UnexpectedPayload
 
-  deriving (Enum, Bounded, Show, Generic)
-
-instance ToJSON Key
+  deriving (Enum, Bounded, Show)
 
--- instance ToJSON Coord where
---   toJSON (Coord x y) = object ["x" .= x, "y" .= y]
---   toEncoding (Coord x y) = pairs ("x" .= x <> "y" .= y)
+instance Json.ToJSON Key where
+ toJSON = Json.String . T.pack . show