1 files changed, 19 insertions, 0 deletions
diff --git a/src/server/Model/Frequency.hs b/src/server/Model/Frequency.hs
new file mode 100644
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+++ b/src/server/Model/Frequency.hs
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+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE TemplateHaskell #-}
+
+module Model.Frequency
+  ( Frequency(..)
+  ) where
+
+import Web.Scotty
+
+import Database.Persist.TH
+
+data Frequency =
+  Punctual
+  | Monthly
+  deriving (Eq, Show, Read)
+
+derivePersistField "Frequency"
+
+instance Parsable Frequency where parseParam = readEither