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|
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE TypeApplications #-}
--------------------------------------------------------------------------------
module App where
--------------------------------------------------------------------------------
import Control.Monad.IO.Class (liftIO)
import Control.Monad.Logger (runStderrLoggingT)
import Data.Function ((&))
import Data.String.Conversions (cs)
import Data.Text (Text)
import Database.SQLite.Simple
import Network.Wai.Handler.Warp as Warp
import Servant
import API
import qualified Types as T
--------------------------------------------------------------------------------
server :: FilePath -> Server API
server dbFile =
userAddH :<|> userGetH
where
userAddH newUser = liftIO $ userAdd newUser
userGetH name = liftIO $ userGet name
-- TODO(wpcarro): Handle failed CONSTRAINTs instead of sending 500s
userAdd :: T.Account -> IO (Maybe T.Session)
userAdd account = withConnection dbFile $ \conn -> do
execute conn "INSERT INTO Accounts (username,password,email,role,profilePicture) VALUES (?,?,?,?,?)"
(account & T.accountFields)
T.Session{ T.username = T.accountUsername account
, T.password = T.accountPassword account
, T.role = T.accountRole account
} & Just & pure
userGet :: Text -> IO (Maybe T.Account)
userGet name = withConnection dbFile $ \conn -> do
res <- query conn "SELECT * FROM Accounts WHERE username = ?" (Only name)
case res of
[x] -> pure (Just x)
_ -> pure Nothing
mkApp :: FilePath -> IO Application
mkApp dbFile = do
pure $ serve (Proxy @ API) $ server dbFile
run :: FilePath -> IO ()
run sqliteFile =
Warp.run 3000 =<< mkApp sqliteFile
|
