44 lines
1.5 KiB
Haskell
44 lines
1.5 KiB
Haskell
module Examples.CustomStack.Main where
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import Prelude
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import Control.Monad.Reader (class MonadAsk, asks, runReaderT)
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import Data.Generic.Rep (class Generic)
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import Effect.Aff.Class (class MonadAff)
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import Effect.Console (log)
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import HTTPurple (Request, Response, ServerM, ok, serve')
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import Routing.Duplex as RD
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import Routing.Duplex.Generic as RG
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data Route = SayHello
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derive instance Generic Route _
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route :: RD.RouteDuplex' Route
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route = RD.root $ RG.sum
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{ "SayHello": RG.noArgs
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}
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-- | A type to hold the environment for our ReaderT
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type Env = { name :: String }
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-- | Say 'hello, joe' when run
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sayHello :: forall m. MonadAff m => MonadAsk Env m => Request Route -> m Response
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sayHello _ = do
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name <- asks _.name
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ok $ "hello, " <> name
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-- | Boot up the server
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main :: ServerM
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main =
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serve' (\a -> runReaderT a {name: "joe"}) { hostname: "localhost", port: 10000, onStarted } { route, router: sayHello }
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where
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onStarted = do
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log " ┌───────────────────────────────────────┐"
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log " │ Server now up on port 10000 │"
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log " │ │"
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log " │ To test, run: │"
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log " │ > curl -v localhost:10000 │"
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log " │ # => hello, joe │"
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log " └───────────────────────────────────────┘"
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