Files
simplex-chat/src/Simplex/Chat/Bot.hs
2022-08-18 11:35:31 +04:00

52 lines
2.0 KiB
Haskell

{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE GADTs #-}
{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE NamedFieldPuns #-}
module Simplex.Chat.Bot where
import Control.Concurrent.Async
import Control.Concurrent.STM
import Control.Monad.Reader
import qualified Data.ByteString.Char8 as B
import qualified Data.Text as T
import Simplex.Chat.Controller
import Simplex.Chat.Core
import Simplex.Chat.Messages
import Simplex.Chat.Store
import Simplex.Chat.Types (Contact (..), User (..))
import Simplex.Messaging.Encoding.String (strEncode)
import System.Exit (exitFailure)
chatBotRepl :: String -> (String -> String) -> User -> ChatController -> IO ()
chatBotRepl welcome answer _user cc = do
initializeBotAddress cc
race_ (forever $ void getLine) . forever $ do
(_, resp) <- atomically . readTBQueue $ outputQ cc
case resp of
CRContactConnected contact _ -> do
contactConnected contact
void $ sendMsg contact welcome
CRNewChatItem (AChatItem _ SMDRcv (DirectChat contact) ChatItem {content}) -> do
let msg = T.unpack $ ciContentToText content
void . sendMsg contact $ answer msg
_ -> pure ()
where
sendMsg Contact {contactId} msg = sendChatCmd cc $ "/_send @" <> show contactId <> " text " <> msg
contactConnected Contact {localDisplayName} = putStrLn $ T.unpack localDisplayName <> " connected"
initializeBotAddress :: ChatController -> IO ()
initializeBotAddress cc = do
sendChatCmd cc "/show_address" >>= \case
CRUserContactLink uri _ _ -> showBotAddress uri
CRChatCmdError (ChatErrorStore SEUserContactLinkNotFound) -> do
putStrLn "No bot address, creating..."
sendChatCmd cc "/address" >>= \case
CRUserContactLinkCreated uri -> showBotAddress uri
_ -> putStrLn "can't create bot address" >> exitFailure
_ -> putStrLn "unexpected response" >> exitFailure
where
showBotAddress uri = do
putStrLn $ "Bot's contact address is: " <> B.unpack (strEncode uri)
void $ sendChatCmd cc "/auto_accept on"