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module Control.Monad.Page where
import Control.Monad.State
import Control.Monad.Trans (lift)
import Types.Session
import Types.Scores
import Types.Classes
type Page = StateT Session (State ScoresList)
runPage :: Page a -> ScoresList -> Session -> (ScoresList, Session, a)
runPage k scores session = (scores', session', a)
where
((a, session'), scores') = runState (runStateT k session) scores
putSession :: Session -> Page ()
putSession = put
getSession :: Page Session
getSession = get
getScores :: Page ScoresList
getScores = lift get
putScores :: ScoresList -> Page ()
putScores = lift . put
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