974c63a679
Attempting to abide by the Principle of Least Power. Also: the smaller the headers in each module are, the happier I am.
77 lines
2 KiB
Haskell
77 lines
2 KiB
Haskell
{-# LANGUAGE GADTs #-}
|
|
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
|
|
{-# LANGUAGE MultiParamTypeClasses #-}
|
|
{-# LANGUAGE OverloadedStrings #-}
|
|
{-# LANGUAGE QuasiQuotes #-}
|
|
{-# LANGUAGE TemplateHaskell #-}
|
|
{-# LANGUAGE TypeFamilies #-}
|
|
{-# LANGUAGE NamedFieldPuns #-}
|
|
--------------------------------------------------------------------------------
|
|
module Types where
|
|
--------------------------------------------------------------------------------
|
|
import Data.Aeson
|
|
import Data.Text
|
|
import Database.Persist.TH
|
|
--------------------------------------------------------------------------------
|
|
|
|
share [mkPersist sqlSettings, mkMigrate "migrateAll"] [persistLowerCase|
|
|
Account
|
|
username Text
|
|
password Text
|
|
email Text
|
|
role Text
|
|
UniqueUsername username
|
|
UniqueEmail email
|
|
deriving Eq Read Show
|
|
|]
|
|
|
|
instance FromJSON Account where
|
|
parseJSON = withObject "Account" $ \ v ->
|
|
Account <$> v .: "username"
|
|
<*> v .: "password"
|
|
<*> v .: "email"
|
|
<*> v .: "role"
|
|
|
|
instance ToJSON Account where
|
|
toJSON (Account{ accountUsername
|
|
, accountPassword
|
|
, accountEmail
|
|
, accountRole }) =
|
|
object [ "username" .= accountUsername
|
|
, "password" .= accountPassword
|
|
, "email" .= accountEmail
|
|
, "role" .= accountRole
|
|
]
|
|
|
|
newtype Username = Username Text
|
|
deriving (Eq, Show)
|
|
|
|
instance ToJSON Username where
|
|
toJSON (Username x) = toJSON x
|
|
|
|
newtype Password = Password Text
|
|
deriving (Eq, Show)
|
|
|
|
instance ToJSON Password where
|
|
toJSON (Password x) = toJSON x
|
|
|
|
data Role = RegularUser | Manager | Admin
|
|
deriving (Eq, Show)
|
|
|
|
instance ToJSON Role where
|
|
toJSON RegularUser = "user"
|
|
toJSON Manager = "manager"
|
|
toJSON Admin = "admin"
|
|
|
|
data Session = Session
|
|
{ username :: Username
|
|
, password :: Password
|
|
, role :: Role
|
|
} deriving (Eq, Show)
|
|
|
|
instance ToJSON Session where
|
|
toJSON (Session username password role) =
|
|
object [ "username" .= username
|
|
, "password" .= password
|
|
, "role" .= role
|
|
]
|