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|
#!/usr/bin/env stack
{- stack
--nix
--resolver lts-10.3
--install-ghc
script
--package http-types
--package yesod
--package yesod-core
--package text
--package aeson
-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE DeriveAnyClass #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE QuasiQuotes #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE ScopedTypeVariables #-}
import Data.Semigroup
import GHC.Generics
import Control.Monad
import Data.Maybe (isJust)
import Data.Text
import Yesod
import Network.HTTP.Types.Status (status400, status200)
import Data.Aeson
data App = App
mkYesod "App" [parseRoutes|
/query QueryR GET
/number NumberR POST
|]
-- | Start a simple warp server on 3000
main :: IO ()
main = warp 3000 App
-- | Initiate Yesod. The default method instances are fine for a prototype or
-- demo app.
instance Yesod App
-- | A type to describe the shape of our core model
data Caller = Caller
{ name :: Text
, number :: Text
, context :: Text
}
deriving (Show, Eq, Generic, ToJSON, FromJSON)
-- | Standardize errors.
data ApiError = ApiError
{ msg :: Text
}
deriving (Show, Eq, Generic, ToJSON, FromJSON)
-- FIXME
findByNumber = id
getQueryR :: Handler RepJson
getQueryR = do
qm <- lookupGetParam "number"
case qm of
Nothing ->
sendStatusJSON status400 $ (ApiError "Invalid request. Could not parse 'number' parameter.")
Just q ->
sendStatusJSON status200 $ object [ "msg" .= ("FIXME" :: Text) ]
postNumberR :: Handler RepJson
postNumberR = do
(obj :: Result Value) <- parseJsonBody
case obj of
Error err ->
sendStatusJSON status400 $ ApiError $ "Invalid request. Could not parse JSON body: " <> pack err
Success v ->
sendStatusJSON status200 $ object [ "msg" .= ("FIXME" :: Text) ]
|
