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{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DeriveAnyClass #-}
{-# LANGUAGE DerivingStrategies #-}
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
{-# LANGUAGE TypeOperators #-}
{-# OPTIONS_GHC -Wno-unrecognised-pragmas #-}
{-# HLINT ignore "Use newtype instead of data" #-}
module Minilang.API where
import Data.Aeson (FromJSON, ToJSON)
import Data.Bifunctor (first)
import Data.ByteString.Lazy (ByteString)
import qualified Data.ByteString.Lazy as LBS
import Data.Text (Text)
import Data.Time (UTCTime)
import GHC.Generics (Generic)
import Servant
( Delete,
FromHttpApiData,
Get,
JSON,
Post,
QueryParam,
Raw,
ReqBody,
StdMethod (POST),
ToHttpApiData,
Verb,
parseUrlPiece,
toUrlPiece,
(:<|>),
(:>),
)
import System.Random (StdGen, uniformList)
type LambdaAPI =
"api" :> "register" :> ReqBody '[JSON] User :> Verb 'POST 201 '[JSON] Token
:<|> "api" :> "register" :> QueryParam "token" Token :> Delete '[JSON] Score
:<|> "api" :> "leaderboard" :> Get '[JSON] [Score]
:<|> "api" :> "score" :> QueryParam "token" Token :> Get '[JSON] Score
:<|> "api" :> "challenge" :> QueryParam "token" Token :> Get '[JSON] Challenge
:<|> "api" :> "challenge" :> QueryParam "token" Token :> ReqBody '[JSON] Text :> Post '[JSON] ()
:<|> Raw
data Score = Score
{ user :: User,
grade :: Int,
lastTest :: Maybe UTCTime,
lastResult :: Maybe Bool
}
deriving (Eq, Show, Generic, ToJSON, FromJSON)
newtype User = User {username :: Text}
deriving newtype (Eq, Show, ToJSON, FromJSON)
newtype Token = Token {unToken :: Text}
deriving newtype (Eq, Ord, Show, ToJSON, FromJSON)
instance ToHttpApiData Token where
toUrlPiece (Token t) = t
instance FromHttpApiData Token where
parseUrlPiece t = Right (Token t)
newToken :: StdGen -> (ByteString, StdGen)
newToken = first LBS.pack . uniformList 16
data Challenge = Challenge
{ level :: Int,
expr :: Text
}
deriving (Eq, Show, Generic, ToJSON, FromJSON)
defaultChallenges :: [Challenge]
defaultChallenges =
[ Challenge 0 "x",
Challenge 1 "y",
Challenge 2 "(lam (x) x)"
]
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