SimpleX-Chat/apps/simplex-bot-advanced/Main.hs

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{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE GADTs #-}
{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
module Main where
import Control.Concurrent.Async
import Control.Concurrent.STM
import Control.Monad.Reader
import qualified Data.Text as T
import Simplex.Chat
import Simplex.Chat.Bot
import Simplex.Chat.Controller
import Simplex.Chat.Messages
import Simplex.Chat.Options
import Simplex.Chat.Types
import System.Directory (getAppUserDataDirectory)
import Text.Read
main :: IO ()
main = do
opts <- welcomeGetOpts
simplexChatBot defaultChatConfig opts mySquaringBot
welcomeGetOpts :: IO ChatOpts
welcomeGetOpts = do
appDir <- getAppUserDataDirectory "simplex"
opts@ChatOpts {dbFilePrefix} <- getChatOpts appDir "simplex_bot"
putStrLn $ "SimpleX Chat Bot v" ++ versionNumber
putStrLn $ "db: " <> dbFilePrefix <> "_chat.db, " <> dbFilePrefix <> "_agent.db"
pure opts
mySquaringBot :: User -> ChatController -> IO ()
mySquaringBot _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 $ "Hello! I am a simple squaring bot - if you send me a number, I will calculate its square"
CRNewChatItem (AChatItem _ SMDRcv (DirectChat contact) ChatItem {content}) -> do
let msg = T.unpack $ ciContentToText content
number_ = readMaybe msg :: Maybe Integer
void . sendMsg contact $ case number_ of
Nothing -> "\"" <> msg <> "\" is not a number"
Just n -> msg <> " * " <> msg <> " = " <> show (n * n)
_ -> pure ()
where
sendMsg Contact {contactId} msg = sendCmd cc $ "/_send @" <> show contactId <> " text " <> msg
contactConnected Contact {localDisplayName} = putStrLn $ T.unpack localDisplayName <> " connected"