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Something that looks like a form

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This commit is contained in:
Mats Rauhala
2019-01-22 23:35:26 +02:00
parent 3e359afcbe
commit 5efb2deab6
1 changed files with 18 additions and 4 deletions
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22
frontend/src/Main.hs
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@@ -21,9 +21,10 @@ import Servant.API
import Servant.Links import Servant.Links
import Data.Proxy (Proxy(..)) import Data.Proxy (Proxy(..))
type API = Home :<|> Login type API = Home :<|> Login :<|> Register
type Home = View Action type Home = View Action
type Login = "login" :> View Action type Login = "login" :> View Action
type Register = "register" :> View Action
data Action = Add data Action = Add
| Subtract | Subtract
@@ -42,25 +43,38 @@ updateModel m = \case
Subtract -> noEff (over (field @"counter") (\x -> x - 1) m) Subtract -> noEff (over (field @"counter") (\x -> x - 1) m)
SayHello -> m <# (liftIO (putStrLn "Hello world") >> pure NoOp) SayHello -> m <# (liftIO (putStrLn "Hello world") >> pure NoOp)
HandleURI uri -> noEff (set (field @"uri") uri m) HandleURI uri -> noEff (set (field @"uri") uri m)
ChangeURI uri -> m <# (NoOp <$ pushURI uri) ChangeURI uri -> m <# do
liftIO $ putStrLn $ "Pushing uri " <> show uri
pushURI uri
return $ HandleURI uri
NoOp -> noEff m NoOp -> noEff m
viewModel :: Model -> View Action viewModel :: Model -> View Action
viewModel model = view viewModel model = view
where where
view = either (const the404) id $ runRoute @API Proxy handlers uri model view = either (const the404) id $ runRoute @API Proxy handlers uri model
handlers = home :<|> login handlers = home :<|> login :<|> register
home _ = div_ [] [ button_ [ onClick Add ] [ text "+" ] home _ = div_ [] [ button_ [ onClick Add ] [ text "+" ]
, text (ms (counter model)) , text (ms (counter model))
, button_ [ onClick Subtract ] [ text "-" ] , button_ [ onClick Subtract ] [ text "-" ]
, button_ [ onClick goLogin ] [ text "go login" ] , button_ [ onClick goLogin ] [ text "go login" ]
, button_ [ onClick goRegister ] [ text "go register" ]
] ]
login _ = div_ [] [] login _ = div_ [] []
register _ = div_ [] [
h3_ [] [text "register"]
, label_ [] [text "Username"], input_ [id_ "username", name_ "username"]
, label_ [] [text "Email"], input_ [id_ "email", name_ "email"]
, label_ [] [text "Password"], input_ [id_ "password", name_ "password"]
, label_ [] [text "Password again"], input_ [id_ "passwordAgain", name_ "passwordAgain"]
, button_ [] [text "Register"]
]
the404 = div_ [] [] the404 = div_ [] []
goLogin, goHome :: Action goLogin, goHome, goRegister :: Action
goLogin = goto @Login @API Proxy Proxy goLogin = goto @Login @API Proxy Proxy
goHome = goto @Home @API Proxy Proxy goHome = goto @Home @API Proxy Proxy
goRegister = goto @Register @API Proxy Proxy
goto :: (IsElem endpoint api, HasLink endpoint, MkLink endpoint Link ~ Link) => Proxy api -> Proxy endpoint -> Action goto :: (IsElem endpoint api, HasLink endpoint, MkLink endpoint Link ~ Link) => Proxy api -> Proxy endpoint -> Action
goto a b = ChangeURI (linkURI (safeLink a b)) goto a b = ChangeURI (linkURI (safeLink a b))