core: use fourmolu styles (#3470)

fourmolu.yaml

@@ -0,0 +1,30 @@
+indentation: 2
+column-limit: none
+function-arrows: trailing
+comma-style: trailing
+import-export-style: trailing
+indent-wheres: true
+record-brace-space: true
+newlines-between-decls: 1
+haddock-style: single-line
+haddock-style-module: null
+let-style: inline
+in-style: right-align
+single-constraint-parens: never
+unicode: never
+respectful: true
+fixities:
+  - infixr 9 .
+  - infixr 8 .:, .:., .=
+  - infixr 6 <>
+  - infixr 5 ++
+  - infixl 4 <$>, <$, $>,  <$$>, <$?>
+  - infixl 4 <*>, <*, *>, <**>
+  - infix 4 ==, /=
+  - infixr 3 &&
+  - infixl 3 <|>
+  - infixr 2 ||
+  - infixl 1 >>, >>=
+  - infixr 1 =<<, >=>, <=<
+  - infixr 0 $, $!
+reexports: []

src/Simplex/Chat/Archive.hs

@@ -22,7 +22,7 @@ import qualified Data.Text as T
 import qualified Database.SQLite3 as SQL
 import Simplex.Chat.Controller
 import Simplex.Messaging.Agent.Client (agentClientStore)
-import Simplex.Messaging.Agent.Store.SQLite (SQLiteStore (..), sqlString, closeSQLiteStore)
+import Simplex.Messaging.Agent.Store.SQLite (SQLiteStore (..), closeSQLiteStore, sqlString)
 import Simplex.Messaging.Util
 import System.FilePath
 import UnliftIO.Directory

src/Simplex/Chat/Bot/KnownContacts.hs

@@ -6,8 +6,8 @@ module Simplex.Chat.Bot.KnownContacts where
 import qualified Data.Attoparsec.ByteString.Char8 as A
 import Data.Int (Int64)
 import Data.Text (Text)
-import Data.Text.Encoding (encodeUtf8)
 import qualified Data.Text as T
+import Data.Text.Encoding (encodeUtf8)
 import Options.Applicative
 import Simplex.Messaging.Parsers (parseAll)
 import Simplex.Messaging.Util (safeDecodeUtf8)

src/Simplex/Chat/Call.hs

@@ -225,4 +225,3 @@ instance FromField CallState where
   fromField = fromTextField_ decodeJSON
 
 $(J.deriveJSON defaultJSON ''RcvCallInvitation)
-

src/Simplex/Chat/Controller.hs

@@ -1,5 +1,5 @@
-{-# LANGUAGE ConstraintKinds #-}
 {-# LANGUAGE CPP #-}
+{-# LANGUAGE ConstraintKinds #-}
 {-# LANGUAGE DataKinds #-}
 {-# LANGUAGE DeriveAnyClass #-}
 {-# LANGUAGE DuplicateRecordFields #-}
@@ -426,19 +426,19 @@ data ChatCommand
   | SetGroupTimedMessages GroupName (Maybe Int)
   | SetLocalDeviceName Text
   | ListRemoteHosts
-  | StartRemoteHost (Maybe (RemoteHostId, Bool)) -- ^ Start new or known remote host with optional multicast for known host
+  | StartRemoteHost (Maybe (RemoteHostId, Bool)) -- Start new or known remote host with optional multicast for known host
-  | SwitchRemoteHost (Maybe RemoteHostId) -- ^ Switch current remote host
+  | SwitchRemoteHost (Maybe RemoteHostId) -- Switch current remote host
-  | StopRemoteHost RHKey -- ^ Shut down a running session
+  | StopRemoteHost RHKey -- Shut down a running session
-  | DeleteRemoteHost RemoteHostId -- ^ Unregister remote host and remove its data
+  | DeleteRemoteHost RemoteHostId -- Unregister remote host and remove its data
   | StoreRemoteFile {remoteHostId :: RemoteHostId, storeEncrypted :: Maybe Bool, localPath :: FilePath}
   | GetRemoteFile {remoteHostId :: RemoteHostId, file :: RemoteFile}
-  | ConnectRemoteCtrl RCSignedInvitation -- ^ Connect new or existing controller via OOB data
+  | ConnectRemoteCtrl RCSignedInvitation -- Connect new or existing controller via OOB data
-  | FindKnownRemoteCtrl -- ^ Start listening for announcements from all existing controllers
+  | FindKnownRemoteCtrl -- Start listening for announcements from all existing controllers
-  | ConfirmRemoteCtrl RemoteCtrlId -- ^ Confirm the connection with found controller
+  | ConfirmRemoteCtrl RemoteCtrlId -- Confirm the connection with found controller
-  | VerifyRemoteCtrlSession Text -- ^ Verify remote controller session
+  | VerifyRemoteCtrlSession Text -- Verify remote controller session
   | ListRemoteCtrls
-  | StopRemoteCtrl -- ^ Stop listening for announcements or terminate an active session
+  | StopRemoteCtrl -- Stop listening for announcements or terminate an active session
-  | DeleteRemoteCtrl RemoteCtrlId -- ^ Remove all local data associated with a remote controller session
+  | DeleteRemoteCtrl RemoteCtrlId -- Remove all local data associated with a remote controller session
   | QuitChat
   | ShowVersion
   | DebugLocks
@@ -1072,13 +1072,13 @@ throwDBError = throwError . ChatErrorDatabase
 
 -- TODO review errors, some of it can be covered by HTTP2 errors
 data RemoteHostError
-  = RHEMissing -- ^ No remote session matches this identifier
+  = RHEMissing -- No remote session matches this identifier
-  | RHEInactive -- ^ A session exists, but not active
+  | RHEInactive -- A session exists, but not active
-  | RHEBusy -- ^ A session is already running
+  | RHEBusy -- A session is already running
   | RHETimeout
-  | RHEBadState -- ^ Illegal state transition
+  | RHEBadState -- Illegal state transition
   | RHEBadVersion {appVersion :: AppVersion}
-  | RHELocalCommand -- ^ Command not allowed for remote execution
+  | RHELocalCommand -- Command not allowed for remote execution
   | RHEDisconnected {reason :: Text} -- TODO should be sent when disconnected?
   | RHEProtocolError RemoteProtocolError
   deriving (Show, Exception)
@@ -1091,13 +1091,14 @@ data RemoteHostStopReason
 
 -- TODO review errors, some of it can be covered by HTTP2 errors
 data RemoteCtrlError
-  = RCEInactive -- ^ No session is running
+  = RCEInactive -- No session is running
-  | RCEBadState -- ^ A session is in a wrong state for the current operation
+  | RCEBadState -- A session is in a wrong state for the current operation
-  | RCEBusy -- ^ A session is already running
+  | RCEBusy -- A session is already running
   | RCETimeout
-  | RCENoKnownControllers -- ^ No previously-contacted controllers to discover
+  | RCENoKnownControllers -- No previously-contacted controllers to discover
-  | RCEBadController -- ^ Attempting to confirm a found controller with another ID
+  | RCEBadController -- Attempting to confirm a found controller with another ID
-  | RCEDisconnected {remoteCtrlId :: RemoteCtrlId, reason :: Text} -- ^ A session disconnected by a controller
+  | -- | A session disconnected by a controller
+    RCEDisconnected {remoteCtrlId :: RemoteCtrlId, reason :: Text}
   | RCEBadInvitation
   | RCEBadVersion {appVersion :: AppVersion}
   | RCEHTTP2Error {http2Error :: Text} -- TODO currently not used
@@ -1223,8 +1224,8 @@ toView event = do
   session <- asks remoteCtrlSession
   atomically $
     readTVar session >>= \case
-      Just (_, RCSessionConnected {remoteOutputQ}) | allowRemoteEvent event ->
+      Just (_, RCSessionConnected {remoteOutputQ})
-        writeTBQueue remoteOutputQ event
+        | allowRemoteEvent event -> writeTBQueue remoteOutputQ event
       -- TODO potentially, it should hold some events while connecting
       _ -> writeTBQueue localQ (Nothing, Nothing, event)
 

src/Simplex/Chat/Files.hs

@@ -6,8 +6,8 @@ module Simplex.Chat.Files where
 import Control.Monad.IO.Class
 import Simplex.Chat.Controller
 import Simplex.Messaging.Util (ifM)
-import System.FilePath (splitExtensions, combine)
+import System.FilePath (combine, splitExtensions)
-import UnliftIO.Directory (doesFileExist, getTemporaryDirectory, getHomeDirectory, doesDirectoryExist)
+import UnliftIO.Directory (doesDirectoryExist, doesFileExist, getHomeDirectory, getTemporaryDirectory)
 
 uniqueCombine :: MonadIO m => FilePath -> String -> m FilePath
 uniqueCombine fPath fName = tryCombine (0 :: Int)

src/Simplex/Chat/Markdown.hs

@@ -19,7 +19,7 @@ import qualified Data.Attoparsec.Text as A
 import Data.Char (isDigit, isPunctuation)
 import Data.Either (fromRight)
 import Data.Functor (($>))
-import Data.List (intercalate, foldl')
+import Data.List (foldl', intercalate)
 import Data.List.NonEmpty (NonEmpty)
 import qualified Data.List.NonEmpty as L
 import Data.Maybe (fromMaybe, isNothing)
@@ -85,7 +85,9 @@ newtype FormatColor = FormatColor Color
   deriving (Eq, Show)
 
 instance FromJSON FormatColor where
-  parseJSON = J.withText "FormatColor" $ fmap FormatColor . \case
+  parseJSON =
+    J.withText "FormatColor" $
+      fmap FormatColor . \case
         "red" -> pure Red
         "green" -> pure Green
         "blue" -> pure Blue

src/Simplex/Chat/Messages.hs

@@ -11,7 +11,6 @@
 {-# LANGUAGE StandaloneDeriving #-}
 {-# LANGUAGE TemplateHaskell #-}
 {-# LANGUAGE TypeApplications #-}
-
 {-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
 
 module Simplex.Chat.Messages where
@@ -44,7 +43,7 @@ import Simplex.Messaging.Agent.Protocol (AgentMsgId, MsgMeta (..), MsgReceiptSta
 import Simplex.Messaging.Crypto.File (CryptoFile (..))
 import qualified Simplex.Messaging.Crypto.File as CF
 import Simplex.Messaging.Encoding.String
-import Simplex.Messaging.Parsers (defaultJSON, dropPrefix, enumJSON, fromTextField_, parseAll, enumJSON, sumTypeJSON)
+import Simplex.Messaging.Parsers (defaultJSON, dropPrefix, enumJSON, fromTextField_, parseAll, sumTypeJSON)
 import Simplex.Messaging.Protocol (MsgBody)
 import Simplex.Messaging.Util (eitherToMaybe, safeDecodeUtf8, (<$?>))
 

src/Simplex/Chat/Messages/CIContent.hs

@@ -311,7 +311,7 @@ profileToText Profile {displayName, fullName} = displayName <> optionalFullName
 msgIntegrityError :: MsgErrorType -> Text
 msgIntegrityError = \case
   MsgSkipped fromId toId ->
-    "skipped message ID " <> tshow fromId
+    ("skipped message ID " <> tshow fromId)
       <> if fromId == toId then "" else ".." <> tshow toId
   MsgBadId msgId -> "unexpected message ID " <> tshow msgId
   MsgBadHash -> "incorrect message hash"

src/Simplex/Chat/Messages/CIContent/Events.hs

@@ -46,8 +46,8 @@ data SndConnEvent
   | SCERatchetSync {syncStatus :: RatchetSyncState, member :: Maybe GroupMemberRef}
   deriving (Show)
 
-data RcvDirectEvent =
+data RcvDirectEvent
-  -- RDEProfileChanged {...}
+  = -- RDEProfileChanged {...}
     RDEContactDeleted
   deriving (Show)
 

src/Simplex/Chat/Mobile.hs

@@ -4,13 +4,12 @@
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE TemplateHaskell #-}
 {-# LANGUAGE TypeApplications #-}
-
 {-# OPTIONS_GHC -fobject-code #-}
 
 module Simplex.Chat.Mobile where
 
 import Control.Concurrent.STM
-import Control.Exception (catch, SomeException)
+import Control.Exception (SomeException, catch)
 import Control.Monad.Except
 import Control.Monad.Reader
 import qualified Data.Aeson as J
@@ -31,7 +30,7 @@ import Foreign.C.Types (CInt (..))
 import Foreign.Ptr
 import Foreign.StablePtr
 import Foreign.Storable (poke)
-import GHC.IO.Encoding (setLocaleEncoding, setFileSystemEncoding, setForeignEncoding)
+import GHC.IO.Encoding (setFileSystemEncoding, setForeignEncoding, setLocaleEncoding)
 import Simplex.Chat
 import Simplex.Chat.Controller
 import Simplex.Chat.Markdown (ParsedMarkdown (..), parseMaybeMarkdownList)

src/Simplex/Chat/Mobile/Shared.hs

@@ -6,8 +6,8 @@ import qualified Data.ByteString as B
 import Data.ByteString.Internal (ByteString (..), memcpy)
 import qualified Data.ByteString.Lazy as LB
 import qualified Data.ByteString.Lazy.Internal as LB
-import Foreign.C (CInt, CString)
 import Foreign
+import Foreign.C (CInt, CString)
 
 type CJSONString = CString
 

src/Simplex/Chat/Mobile/WebRTC.hs

@@ -1,12 +1,12 @@
 {-# LANGUAGE FlexibleContexts #-}
 
-module Simplex.Chat.Mobile.WebRTC (
+module Simplex.Chat.Mobile.WebRTC
-  cChatEncryptMedia,
+  ( cChatEncryptMedia,
     cChatDecryptMedia,
     chatEncryptMedia,
     chatDecryptMedia,
     reservedSize,
-) where
+  ) where
 
 import Control.Monad
 import Control.Monad.Except
@@ -21,8 +21,8 @@ import Data.Either (fromLeft)
 import Data.Word (Word8)
 import Foreign.C (CInt, CString, newCAString)
 import Foreign.Ptr (Ptr)
-import qualified Simplex.Messaging.Crypto as C
 import Simplex.Chat.Mobile.Shared
+import qualified Simplex.Messaging.Crypto as C
 
 cChatEncryptMedia :: CString -> Ptr Word8 -> CInt -> IO CString
 cChatEncryptMedia = cTransformMedia chatEncryptMedia

src/Simplex/Chat/Protocol.hs

@@ -13,7 +13,6 @@
 {-# LANGUAGE StrictData #-}
 {-# LANGUAGE TemplateHaskell #-}
 {-# LANGUAGE TypeApplications #-}
-
 {-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
 
 module Simplex.Chat.Protocol where

src/Simplex/Chat/Remote.hs

@@ -97,7 +97,8 @@ discoveryTimeout = 60000000
 getRemoteHostClient :: ChatMonad m => RemoteHostId -> m RemoteHostClient
 getRemoteHostClient rhId = do
   sessions <- asks remoteHostSessions
-  liftIOEither . atomically $ TM.lookup rhKey sessions >>= \case
+  liftIOEither . atomically $
+    TM.lookup rhKey sessions >>= \case
       Just (_, RHSessionConnected {rhClient}) -> pure $ Right rhClient
       Just _ -> pure . Left $ ChatErrorRemoteHost rhKey RHEBadState
       Nothing -> pure . Left $ ChatErrorRemoteHost rhKey RHEMissing
@@ -107,7 +108,8 @@ getRemoteHostClient rhId = do
 withRemoteHostSession :: ChatMonad m => RHKey -> SessionSeq -> (RemoteHostSession -> Either ChatError (a, RemoteHostSession)) -> m a
 withRemoteHostSession rhKey sseq f = do
   sessions <- asks remoteHostSessions
-  r <- atomically $
+  r <-
+    atomically $
       TM.lookup rhKey sessions >>= \case
         Nothing -> pure . Left $ ChatErrorRemoteHost rhKey RHEMissing
         Just (stateSeq, state)
@@ -167,12 +169,14 @@ startRemoteHost rh_ = do
       when (encoding == PEKotlin && localEncoding == PESwift) $ throwError $ RHEProtocolError RPEIncompatibleEncoding
       pure hostInfo
     handleConnectError :: ChatMonad m => RHKey -> SessionSeq -> m a -> m a
-    handleConnectError rhKey sessSeq action = action `catchChatError` \err -> do
+    handleConnectError rhKey sessSeq action =
+      action `catchChatError` \err -> do
         logError $ "startRemoteHost.rcConnectHost crashed: " <> tshow err
         cancelRemoteHostSession (Just (sessSeq, RHSRConnectionFailed err)) rhKey
         throwError err
     handleHostError :: ChatMonad m => SessionSeq -> TVar RHKey -> m () -> m ()
-    handleHostError sessSeq rhKeyVar action = action `catchChatError` \err -> do
+    handleHostError sessSeq rhKeyVar action =
+      action `catchChatError` \err -> do
         logError $ "startRemoteHost.waitForHostSession crashed: " <> tshow err
         readTVarIO rhKeyVar >>= cancelRemoteHostSession (Just (sessSeq, RHSRCrashed err))
     waitForHostSession :: ChatMonad m => Maybe RemoteHostInfo -> RHKey -> SessionSeq -> TVar RHKey -> RCStepTMVar (ByteString, TLS, RCStepTMVar (RCHostSession, RCHostHello, RCHostPairing)) -> m ()
@@ -250,7 +254,8 @@ cancelRemoteHostSession :: ChatMonad m => Maybe (SessionSeq, RemoteHostStopReaso
 cancelRemoteHostSession handlerInfo_ rhKey = do
   sessions <- asks remoteHostSessions
   crh <- asks currentRemoteHost
-  deregistered <- atomically $
+  deregistered <-
+    atomically $
       TM.lookup rhKey sessions >>= \case
         Nothing -> pure Nothing
         Just (sessSeq, _) | maybe False (/= sessSeq) (fst <$> handlerInfo_) -> pure Nothing -- ignore cancel from a ghost session handler
@@ -401,7 +406,8 @@ findKnownRemoteCtrl = do
     (RCCtrlPairing {ctrlFingerprint}, inv@(RCVerifiedInvitation RCInvitation {app})) <-
       timeoutThrow (ChatErrorRemoteCtrl RCETimeout) discoveryTimeout . withAgent $ \a -> rcDiscoverCtrl a pairings
     ctrlAppInfo_ <- (Just <$> parseCtrlAppInfo app) `catchChatError` const (pure Nothing)
-    rc <- withStore' (`getRemoteCtrlByFingerprint` ctrlFingerprint) >>= \case
+    rc <-
+      withStore' (`getRemoteCtrlByFingerprint` ctrlFingerprint) >>= \case
         Nothing -> throwChatError $ CEInternalError "connecting with a stored ctrl"
         Just rc -> pure rc
     atomically $ putTMVar foundCtrl (rc, inv)
@@ -422,7 +428,7 @@ confirmRemoteCtrl rcId = do
         pure $ Right (sseq, action, foundCtrl)
       _ -> pure . Left $ ChatErrorRemoteCtrl RCEBadState
   uninterruptibleCancel listener
-  (RemoteCtrl{remoteCtrlId = foundRcId}, verifiedInv) <- atomically $ takeTMVar found
+  (RemoteCtrl {remoteCtrlId = foundRcId}, verifiedInv) <- atomically $ takeTMVar found
   unless (rcId == foundRcId) $ throwError $ ChatErrorRemoteCtrl RCEBadController
   connectRemoteCtrl verifiedInv sseq >>= \case
     (Nothing, _) -> throwChatError $ CEInternalError "connecting with a stored ctrl"
@@ -647,9 +653,11 @@ handleCtrlError sseq mkReason name action =
 cancelActiveRemoteCtrl :: ChatMonad m => Maybe (SessionSeq, RemoteCtrlStopReason) -> m ()
 cancelActiveRemoteCtrl handlerInfo_ = handleAny (logError . tshow) $ do
   var <- asks remoteCtrlSession
-  session_ <- atomically $ readTVar var >>= \case
+  session_ <-
+    atomically $
+      readTVar var >>= \case
         Nothing -> pure Nothing
-    Just (oldSeq, _) | maybe False (/= oldSeq) (fst <$> handlerInfo_) -> pure Nothing
+        Just (oldSeq, _) | (maybe False ((oldSeq /=) . fst) handlerInfo_) -> pure Nothing
         Just (_, s) -> Just s <$ writeTVar var Nothing
   forM_ session_ $ \session -> do
     liftIO $ cancelRemoteCtrl handlingError session

src/Simplex/Chat/Remote/AppVersion.hs

@@ -11,7 +11,7 @@ module Simplex.Chat.Remote.AppVersion
     compatibleAppVersion,
     isAppCompatible,
   )
-  where
+where
 
 import Data.Aeson (FromJSON (..), ToJSON (..))
 import qualified Data.Aeson as J

src/Simplex/Chat/Remote/Multicast.hsc

@@ -6,10 +6,8 @@ import Network.Socket
 
 #include <HsNet.h>
 
-{- | Toggle multicast group membership.
+-- | Toggle multicast group membership.
-
+-- NB: Group membership is per-host, not per-process. A socket is only used to access system interface for groups.
-NB: Group membership is per-host, not per-process. A socket is only used to access system interface for groups.
--}
 setMembership :: Socket -> HostAddress -> Bool -> IO (Either CInt ())
 setMembership sock group membership = allocaBytes #{size struct ip_mreq} $ \mReqPtr -> do
   #{poke struct ip_mreq, imr_multiaddr} mReqPtr group

src/Simplex/Chat/Remote/Protocol.hs

@@ -6,8 +6,8 @@
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE PatternSynonyms #-}
 {-# LANGUAGE TemplateHaskell #-}
-{-# LANGUAGE TypeApplications #-}
 {-# LANGUAGE TupleSections #-}
+{-# LANGUAGE TypeApplications #-}
 
 module Simplex.Chat.Remote.Protocol where
 
@@ -48,9 +48,9 @@ import Simplex.Messaging.Transport.Buffer (getBuffered)
 import Simplex.Messaging.Transport.HTTP2 (HTTP2Body (..), HTTP2BodyChunk, getBodyChunk)
 import Simplex.Messaging.Transport.HTTP2.Client (HTTP2Client, HTTP2Response (..), closeHTTP2Client, sendRequestDirect)
 import Simplex.Messaging.Util (liftEitherError, liftEitherWith, liftError, tshow)
-import Simplex.RemoteControl.Types (CtrlSessKeys (..), HostSessKeys (..), RCErrorType (..), SessionCode)
 import Simplex.RemoteControl.Client (xrcpBlockSize)
 import qualified Simplex.RemoteControl.Client as RC
+import Simplex.RemoteControl.Types (CtrlSessKeys (..), HostSessKeys (..), RCErrorType (..), SessionCode)
 import System.FilePath (takeFileName, (</>))
 import UnliftIO
 
@@ -64,10 +64,10 @@ data RemoteCommand
 
 data RemoteResponse
   = RRChatResponse {chatResponse :: ChatResponse}
-  | RRChatEvent {chatEvent :: Maybe ChatResponse} -- ^ 'Nothing' on poll timeout
+  | RRChatEvent {chatEvent :: Maybe ChatResponse} -- 'Nothing' on poll timeout
   | RRFileStored {filePath :: String}
   | RRFile {fileSize :: Word32, fileDigest :: FileDigest} -- provides attachment , fileDigest :: FileDigest
-  | RRProtocolError {remoteProcotolError :: RemoteProtocolError} -- ^ The protocol error happened on the server side
+  | RRProtocolError {remoteProcotolError :: RemoteProtocolError} -- The protocol error happened on the server side
   deriving (Show)
 
 -- Force platform-independent encoding as the types aren't UI-visible
@@ -126,7 +126,7 @@ remoteStoreFile c localPath fileName = do
     r -> badResponse r
 
 remoteGetFile :: RemoteHostClient -> FilePath -> RemoteFile -> ExceptT RemoteProtocolError IO ()
-remoteGetFile c@RemoteHostClient{encryption} destDir rf@RemoteFile {fileSource = CryptoFile {filePath}} =
+remoteGetFile c@RemoteHostClient {encryption} destDir rf@RemoteFile {fileSource = CryptoFile {filePath}} =
   sendRemoteCommand c Nothing RCGetFile {file = rf} >>= \case
     (getChunk, RRFile {fileSize, fileDigest}) -> do
       -- TODO we could optimize by checking size and hash before receiving the file

src/Simplex/Chat/Remote/Transport.hs

@@ -5,15 +5,15 @@ module Simplex.Chat.Remote.Transport where
 
 import Control.Monad
 import Control.Monad.Except
-import Data.ByteString.Builder (Builder, byteString)
 import Data.ByteString (ByteString)
+import Data.ByteString.Builder (Builder, byteString)
 import qualified Data.ByteString.Lazy as LB
 import Data.Word (Word32)
-import Simplex.FileTransfer.Description (FileDigest (..))
 import Simplex.Chat.Remote.Types
+import Simplex.FileTransfer.Description (FileDigest (..))
+import Simplex.FileTransfer.Transport (ReceiveFileError (..), receiveSbFile, sendEncFile)
 import qualified Simplex.Messaging.Crypto as C
 import qualified Simplex.Messaging.Crypto.Lazy as LC
-import Simplex.FileTransfer.Transport (ReceiveFileError (..), receiveSbFile, sendEncFile)
 import Simplex.Messaging.Encoding
 import Simplex.Messaging.Util (liftEitherError, liftEitherWith)
 import Simplex.RemoteControl.Types (RCErrorType (..))

src/Simplex/Chat/Remote/Types.hs

@@ -21,13 +21,13 @@ import Data.Text (Text)
 import Simplex.Chat.Remote.AppVersion
 import Simplex.Chat.Types (verificationCode)
 import qualified Simplex.Messaging.Crypto as C
+import Simplex.Messaging.Crypto.File (CryptoFile)
 import Simplex.Messaging.Crypto.SNTRUP761 (KEMHybridSecret)
 import Simplex.Messaging.Parsers (defaultJSON, dropPrefix, enumJSON, sumTypeJSON)
+import Simplex.Messaging.Transport (TLS (..))
 import Simplex.Messaging.Transport.HTTP2.Client (HTTP2Client)
 import Simplex.RemoteControl.Client
 import Simplex.RemoteControl.Types
-import Simplex.Messaging.Crypto.File (CryptoFile)
-import Simplex.Messaging.Transport (TLS (..))
 
 data RemoteHostClient = RemoteHostClient
   { hostEncoding :: PlatformEncoding,

src/Simplex/Chat/Store/Connections.hs

@@ -4,7 +4,6 @@
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE QuasiQuotes #-}
 {-# LANGUAGE TypeOperators #-}
-
 {-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
 
 module Simplex.Chat.Store.Connections
@@ -25,11 +24,11 @@ import Data.Text (Text)
 import Data.Time.Clock (UTCTime (..))
 import Database.SQLite.Simple (Only (..), (:.) (..))
 import Database.SQLite.Simple.QQ (sql)
+import Simplex.Chat.Protocol
 import Simplex.Chat.Store.Files
 import Simplex.Chat.Store.Groups
 import Simplex.Chat.Store.Profiles
 import Simplex.Chat.Store.Shared
-import Simplex.Chat.Protocol
 import Simplex.Chat.Types
 import Simplex.Chat.Types.Preferences
 import Simplex.Messaging.Agent.Protocol (ConnId)
@@ -157,7 +156,8 @@ getConnectionEntity db user@User {userId, userContactId} agentConnId = do
 
 getConnectionEntityByConnReq :: DB.Connection -> User -> (ConnReqInvitation, ConnReqInvitation) -> IO (Maybe ConnectionEntity)
 getConnectionEntityByConnReq db user@User {userId} (cReqSchema1, cReqSchema2) = do
-  connId_ <- maybeFirstRow fromOnly $
+  connId_ <-
+    maybeFirstRow fromOnly $
       DB.query db "SELECT agent_conn_id FROM connections WHERE user_id = ? AND conn_req_inv IN (?,?) LIMIT 1" (userId, cReqSchema1, cReqSchema2)
   maybe (pure Nothing) (fmap eitherToMaybe . runExceptT . getConnectionEntity db user) connId_
 
@@ -167,7 +167,8 @@ getConnectionEntityByConnReq db user@User {userId} (cReqSchema1, cReqSchema2) =
 -- deleted connections are filtered out to allow re-connecting via same contact address
 getContactConnEntityByConnReqHash :: DB.Connection -> User -> (ConnReqUriHash, ConnReqUriHash) -> IO (Maybe ConnectionEntity)
 getContactConnEntityByConnReqHash db user@User {userId} (cReqHash1, cReqHash2) = do
-  connId_ <- maybeFirstRow fromOnly $
+  connId_ <-
+    maybeFirstRow fromOnly $
       DB.query
         db
         [sql|

src/Simplex/Chat/Store/Direct.hs

@@ -1,13 +1,12 @@
 {-# LANGUAGE DuplicateRecordFields #-}
-{-# LANGUAGE OverloadedRecordDot #-}
 {-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE LambdaCase #-}
 {-# LANGUAGE NamedFieldPuns #-}
+{-# LANGUAGE OverloadedRecordDot #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE QuasiQuotes #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE TupleSections #-}
-
 {-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
 
 module Simplex.Chat.Store.Direct
@@ -784,10 +783,8 @@ updateConnectionStatus :: DB.Connection -> Connection -> ConnStatus -> IO ()
 updateConnectionStatus db Connection {connId} connStatus = do
   currentTs <- getCurrentTime
   if connStatus == ConnReady
-    then
+    then DB.execute db "UPDATE connections SET conn_status = ?, updated_at = ?, conn_req_inv = NULL WHERE connection_id = ?" (connStatus, currentTs, connId)
-      DB.execute db "UPDATE connections SET conn_status = ?, updated_at = ?, conn_req_inv = NULL WHERE connection_id = ?" (connStatus, currentTs, connId)
+    else DB.execute db "UPDATE connections SET conn_status = ?, updated_at = ? WHERE connection_id = ?" (connStatus, currentTs, connId)
-    else
-      DB.execute db "UPDATE connections SET conn_status = ?, updated_at = ? WHERE connection_id = ?" (connStatus, currentTs, connId)
 
 updateContactSettings :: DB.Connection -> User -> Int64 -> ChatSettings -> IO ()
 updateContactSettings db User {userId} contactId ChatSettings {enableNtfs, sendRcpts, favorite} =
@@ -816,4 +813,3 @@ resetContactConnInitiated db User {userId} Connection {connId} = do
       WHERE user_id = ? AND connection_id = ?
     |]
     (updatedAt, userId, connId)
-

src/Simplex/Chat/Store/Files.hs

@@ -109,7 +109,7 @@ import Simplex.Messaging.Protocol (SubscriptionMode (..))
 
 getLiveSndFileTransfers :: DB.Connection -> User -> IO [SndFileTransfer]
 getLiveSndFileTransfers db User {userId} = do
-  cutoffTs <- addUTCTime (- week) <$> getCurrentTime
+  cutoffTs <- addUTCTime (-week) <$> getCurrentTime
   fileIds :: [Int64] <-
     map fromOnly
       <$> DB.query
@@ -132,7 +132,7 @@ getLiveSndFileTransfers db User {userId} = do
 
 getLiveRcvFileTransfers :: DB.Connection -> User -> IO [RcvFileTransfer]
 getLiveRcvFileTransfers db user@User {userId} = do
-  cutoffTs <- addUTCTime (- week) <$> getCurrentTime
+  cutoffTs <- addUTCTime (-week) <$> getCurrentTime
   fileIds :: [Int64] <-
     map fromOnly
       <$> DB.query
@@ -234,7 +234,8 @@ createSndGroupInlineFT db GroupMember {groupMemberId, localDisplayName = n} Conn
 
 updateSndDirectFTDelivery :: DB.Connection -> Contact -> FileTransferMeta -> Int64 -> ExceptT StoreError IO ()
 updateSndDirectFTDelivery _ Contact {localDisplayName, activeConn = Nothing} _ _ = throwError $ SEContactNotReady localDisplayName
-updateSndDirectFTDelivery db Contact {activeConn = Just Connection {connId}} FileTransferMeta {fileId} msgDeliveryId = liftIO $
+updateSndDirectFTDelivery db Contact {activeConn = Just Connection {connId}} FileTransferMeta {fileId} msgDeliveryId =
+  liftIO $
     DB.execute
       db
       "UPDATE snd_files SET last_inline_msg_delivery_id = ? WHERE connection_id = ? AND file_id = ? AND file_inline IS NOT NULL"
@@ -724,7 +725,7 @@ removeFileCryptoArgs db fileId = do
 
 getRcvFilesToReceive :: DB.Connection -> User -> IO [RcvFileTransfer]
 getRcvFilesToReceive db user@User {userId} = do
-  cutoffTs <- addUTCTime (- (2 * nominalDay)) <$> getCurrentTime
+  cutoffTs <- addUTCTime (-(2 * nominalDay)) <$> getCurrentTime
   fileIds :: [Int64] <-
     map fromOnly
       <$> DB.query

src/Simplex/Chat/Store/Groups.hs

@@ -2,14 +2,13 @@
 {-# LANGUAGE DuplicateRecordFields #-}
 {-# LANGUAGE LambdaCase #-}
 {-# LANGUAGE NamedFieldPuns #-}
+{-# LANGUAGE OverloadedRecordDot #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE QuasiQuotes #-}
 {-# LANGUAGE RecordWildCards #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE TupleSections #-}
 {-# LANGUAGE TypeOperators #-}
-{-# LANGUAGE OverloadedRecordDot #-}
-
 {-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
 
 module Simplex.Chat.Store.Groups
@@ -122,7 +121,7 @@ import Crypto.Random (ChaChaDRG)
 import Data.Either (rights)
 import Data.Int (Int64)
 import Data.List (partition, sortOn)
-import Data.Maybe (fromMaybe, isNothing, catMaybes, isJust)
+import Data.Maybe (catMaybes, fromMaybe, isJust, isNothing)
 import Data.Ord (Down (..))
 import Data.Text (Text)
 import Data.Time.Clock (UTCTime (..), getCurrentTime)
@@ -957,8 +956,9 @@ createNewMember_
           :. (minV, maxV)
       )
     groupMemberId <- insertedRowId db
-    pure GroupMember {
+    pure
-      groupMemberId,
+      GroupMember
+        { groupMemberId,
           groupId,
           memberId,
           memberRole,
@@ -1317,7 +1317,8 @@ getGroupInfo db User {userId, userContactId} groupId =
 
 getGroupInfoByUserContactLinkConnReq :: DB.Connection -> User -> (ConnReqContact, ConnReqContact) -> IO (Maybe GroupInfo)
 getGroupInfoByUserContactLinkConnReq db user@User {userId} (cReqSchema1, cReqSchema2) = do
-  groupId_ <- maybeFirstRow fromOnly $
+  groupId_ <-
+    maybeFirstRow fromOnly $
       DB.query
         db
         [sql|
@@ -1330,7 +1331,8 @@ getGroupInfoByUserContactLinkConnReq db user@User {userId} (cReqSchema1, cReqSch
 
 getGroupInfoByGroupLinkHash :: DB.Connection -> User -> (ConnReqUriHash, ConnReqUriHash) -> IO (Maybe GroupInfo)
 getGroupInfoByGroupLinkHash db user@User {userId, userContactId} (groupLinkHash1, groupLinkHash2) = do
-  groupId_ <- maybeFirstRow fromOnly $
+  groupId_ <-
+    maybeFirstRow fromOnly $
       DB.query
         db
         [sql|

src/Simplex/Chat/Store/Messages.hs

@@ -10,7 +10,6 @@
 {-# LANGUAGE TupleSections #-}
 {-# LANGUAGE TypeApplications #-}
 {-# LANGUAGE TypeOperators #-}
-
 {-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
 
 module Simplex.Chat.Store.Messages
@@ -199,12 +198,13 @@ createNewMessageAndRcvMsgDelivery db connOrGroupId newMessage sharedMsgId_ RcvMs
     createMsgDeliveryEvent_ db msgDeliveryId MDSRcvAgent currentTs
   pure msg
 
-createNewRcvMessage :: forall e. (MsgEncodingI e) => DB.Connection -> ConnOrGroupId -> NewMessage e -> Maybe SharedMsgId -> Maybe GroupMemberId -> Maybe GroupMemberId -> ExceptT StoreError IO RcvMessage
+createNewRcvMessage :: forall e. MsgEncodingI e => DB.Connection -> ConnOrGroupId -> NewMessage e -> Maybe SharedMsgId -> Maybe GroupMemberId -> Maybe GroupMemberId -> ExceptT StoreError IO RcvMessage
-createNewRcvMessage db connOrGroupId NewMessage{chatMsgEvent, msgBody} sharedMsgId_ authorMember forwardedByMember =
+createNewRcvMessage db connOrGroupId NewMessage {chatMsgEvent, msgBody} sharedMsgId_ authorMember forwardedByMember =
   case connOrGroupId of
     ConnectionId connId -> liftIO $ insertRcvMsg (Just connId) Nothing
     GroupId groupId -> case sharedMsgId_ of
-      Just sharedMsgId -> liftIO (duplicateGroupMsgMemberIds groupId sharedMsgId) >>= \case
+      Just sharedMsgId ->
+        liftIO (duplicateGroupMsgMemberIds groupId sharedMsgId) >>= \case
           Just (duplAuthorId, duplFwdMemberId) ->
             throwError $ SEDuplicateGroupMessage groupId sharedMsgId duplAuthorId duplFwdMemberId
           Nothing -> liftIO $ insertRcvMsg Nothing $ Just groupId
@@ -212,8 +212,8 @@ createNewRcvMessage db connOrGroupId NewMessage{chatMsgEvent, msgBody} sharedMsg
   where
     duplicateGroupMsgMemberIds :: Int64 -> SharedMsgId -> IO (Maybe (Maybe GroupMemberId, Maybe GroupMemberId))
     duplicateGroupMsgMemberIds groupId sharedMsgId =
-    maybeFirstRow id
+      maybeFirstRow id $
-      $ DB.query
+        DB.query
           db
           [sql|
             SELECT author_group_member_id, forwarded_by_group_member_id
@@ -232,7 +232,7 @@ createNewRcvMessage db connOrGroupId NewMessage{chatMsgEvent, msgBody} sharedMsg
         |]
         (MDRcv, toCMEventTag chatMsgEvent, msgBody, currentTs, currentTs, connId_, groupId_, sharedMsgId_, authorMember, forwardedByMember)
       msgId <- insertedRowId db
-    pure RcvMessage{msgId, chatMsgEvent = ACME (encoding @e) chatMsgEvent, sharedMsgId_, msgBody, authorMember, forwardedByMember}
+      pure RcvMessage {msgId, chatMsgEvent = ACME (encoding @e) chatMsgEvent, sharedMsgId_, msgBody, authorMember, forwardedByMember}
 
 createSndMsgDeliveryEvent :: DB.Connection -> Int64 -> AgentMsgId -> MsgDeliveryStatus 'MDSnd -> ExceptT StoreError IO ()
 createSndMsgDeliveryEvent db connId agentMsgId sndMsgDeliveryStatus = do

src/Simplex/Chat/Store/Profiles.hs

@@ -8,7 +8,6 @@
 {-# LANGUAGE TupleSections #-}
 {-# LANGUAGE TypeApplications #-}
 {-# LANGUAGE TypeOperators #-}
-
 {-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
 
 module Simplex.Chat.Store.Profiles
@@ -66,9 +65,9 @@ import Control.Monad.IO.Class
 import qualified Data.Aeson.TH as J
 import Data.Functor (($>))
 import Data.Int (Int64)
+import Data.List.NonEmpty (NonEmpty)
 import qualified Data.List.NonEmpty as L
 import Data.Maybe (fromMaybe)
-import Data.List.NonEmpty (NonEmpty)
 import Data.Text (Text)
 import Data.Text.Encoding (decodeLatin1, encodeUtf8)
 import Data.Time.Clock (UTCTime (..), getCurrentTime)
@@ -89,7 +88,7 @@ import Simplex.Messaging.Encoding.String
 import Simplex.Messaging.Parsers (defaultJSON)
 import Simplex.Messaging.Protocol (BasicAuth (..), ProtoServerWithAuth (..), ProtocolServer (..), ProtocolTypeI (..), SubscriptionMode)
 import Simplex.Messaging.Transport.Client (TransportHost)
-import Simplex.Messaging.Util (safeDecodeUtf8, eitherToMaybe)
+import Simplex.Messaging.Util (eitherToMaybe, safeDecodeUtf8)
 
 createUserRecord :: DB.Connection -> AgentUserId -> Profile -> Bool -> ExceptT StoreError IO User
 createUserRecord db auId p activeUser = createUserRecordAt db auId p activeUser =<< liftIO getCurrentTime
@@ -457,7 +456,8 @@ getUserContactLinkByConnReq db User {userId} (cReqSchema1, cReqSchema2) =
 
 getContactWithoutConnViaAddress :: DB.Connection -> User -> (ConnReqContact, ConnReqContact) -> IO (Maybe Contact)
 getContactWithoutConnViaAddress db user@User {userId} (cReqSchema1, cReqSchema2) = do
-  ctId_ <- maybeFirstRow fromOnly $
+  ctId_ <-
+    maybeFirstRow fromOnly $
       DB.query
         db
         [sql|

src/Simplex/Chat/Store/Shared.hs

@@ -101,7 +101,7 @@ data StoreError
   | SENoGroupSndStatus {itemId :: ChatItemId, groupMemberId :: GroupMemberId}
   | SEDuplicateGroupMessage {groupId :: Int64, sharedMsgId :: SharedMsgId, authorGroupMemberId :: Maybe GroupMemberId, forwardedByGroupMemberId :: Maybe GroupMemberId}
   | SERemoteHostNotFound {remoteHostId :: RemoteHostId}
-  | SERemoteHostUnknown -- ^ attempting to store KnownHost without a known fingerprint
+  | SERemoteHostUnknown -- attempting to store KnownHost without a known fingerprint
   | SERemoteHostDuplicateCA
   | SERemoteCtrlNotFound {remoteCtrlId :: RemoteCtrlId}
   | SERemoteCtrlDuplicateCA

src/Simplex/Chat/Terminal/Output.hs

@@ -24,7 +24,7 @@ import Simplex.Chat (execChatCommand, processChatCommand)
 import Simplex.Chat.Controller
 import Simplex.Chat.Markdown
 import Simplex.Chat.Messages
-import Simplex.Chat.Messages.CIContent (CIContent(..), SMsgDirection (..))
+import Simplex.Chat.Messages.CIContent (CIContent (..), SMsgDirection (..))
 import Simplex.Chat.Options
 import Simplex.Chat.Protocol (MsgContent (..), msgContentText)
 import Simplex.Chat.Remote.Types (RHKey (..), RemoteHostId, RemoteHostInfo (..), RemoteHostSession (..))
@@ -167,7 +167,8 @@ runTerminalOutput ct cc@ChatController {outputQ, showLiveItems, logFilePath} = d
           void $ runReaderT (runExceptT $ processChatCommand (APIChatRead chatRef (Just (itemId, itemId)))) cc
         _ -> pure ()
     logResponse path s = withFile path AppendMode $ \h -> mapM_ (hPutStrLn h . unStyle) s
-    getRemoteUser rhId = runReaderT (execChatCommand (Just rhId) "/user") cc >>= \case
+    getRemoteUser rhId =
+      runReaderT (execChatCommand (Just rhId) "/user") cc >>= \case
         CRActiveUser {user} -> updateRemoteUser ct user rhId
         cr -> logError $ "Unexpected reply while getting remote user: " <> tshow cr
     removeRemoteUser rhId = atomically $ TM.delete rhId (currentRemoteUsers ct)

src/Simplex/Chat/Types.hs

@@ -17,7 +17,6 @@
 {-# LANGUAGE TemplateHaskell #-}
 {-# LANGUAGE TypeFamilyDependencies #-}
 {-# LANGUAGE UndecidableInstances #-}
-
 {-# OPTIONS_GHC -Wno-unrecognised-pragmas #-}
 
 {-# HLINT ignore "Use newtype instead of data" #-}
@@ -40,7 +39,7 @@ import qualified Data.Text as T
 import Data.Time.Clock (UTCTime)
 import Data.Typeable (Typeable)
 import Database.SQLite.Simple (ResultError (..), SQLData (..))
-import Database.SQLite.Simple.FromField (returnError, FromField(..))
+import Database.SQLite.Simple.FromField (FromField (..), returnError)
 import Database.SQLite.Simple.Internal (Field (..))
 import Database.SQLite.Simple.Ok
 import Database.SQLite.Simple.ToField (ToField (..))
@@ -50,7 +49,7 @@ import Simplex.FileTransfer.Description (FileDigest)
 import Simplex.Messaging.Agent.Protocol (ACommandTag (..), ACorrId, AParty (..), APartyCmdTag (..), ConnId, ConnectionMode (..), ConnectionRequestUri, InvitationId, SAEntity (..), UserId)
 import Simplex.Messaging.Crypto.File (CryptoFileArgs (..))
 import Simplex.Messaging.Encoding.String
-import Simplex.Messaging.Parsers (defaultJSON, dropPrefix, fromTextField_, sumTypeJSON, taggedObjectJSON, enumJSON)
+import Simplex.Messaging.Parsers (defaultJSON, dropPrefix, enumJSON, fromTextField_, sumTypeJSON, taggedObjectJSON)
 import Simplex.Messaging.Protocol (ProtoServerWithAuth, ProtocolTypeI)
 import Simplex.Messaging.Util ((<$?>))
 import Simplex.Messaging.Version
@@ -498,7 +497,7 @@ data LocalProfile = LocalProfile
   deriving (Eq, Show)
 
 localProfileId :: LocalProfile -> ProfileId
-localProfileId LocalProfile{profileId} = profileId
+localProfileId LocalProfile {profileId} = profileId
 
 toLocalProfile :: ProfileId -> Profile -> LocalAlias -> LocalProfile
 toLocalProfile profileId Profile {displayName, fullName, image, contactLink, preferences} localAlias =

src/Simplex/Chat/Types/Preferences.hs

@@ -14,7 +14,6 @@
 {-# LANGUAGE TemplateHaskell #-}
 {-# LANGUAGE TypeApplications #-}
 {-# LANGUAGE TypeFamilyDependencies #-}
-
 {-# OPTIONS_GHC -Wno-unrecognised-pragmas #-}
 {-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
 

src/Simplex/Chat/Types/Util.hs

@@ -2,7 +2,7 @@
 
 module Simplex.Chat.Types.Util where
 
-import Data.Aeson (ToJSON, FromJSON)
+import Data.Aeson (FromJSON, ToJSON)
 import qualified Data.Aeson as J
 import Data.ByteString (ByteString)
 import qualified Data.ByteString.Lazy.Char8 as LB

src/Simplex/Chat/View.hs

@@ -14,8 +14,8 @@ module Simplex.Chat.View where
 
 import qualified Data.Aeson as J
 import qualified Data.Aeson.TH as JQ
-import qualified Data.ByteString.Char8 as B
 import Data.ByteString.Char8 (ByteString)
+import qualified Data.ByteString.Char8 as B
 import qualified Data.ByteString.Lazy.Char8 as LB
 import Data.Char (isSpace, toUpper)
 import Data.Function (on)
@@ -44,8 +44,8 @@ import Simplex.Chat.Markdown
 import Simplex.Chat.Messages hiding (NewChatItem (..))
 import Simplex.Chat.Messages.CIContent
 import Simplex.Chat.Protocol
+import Simplex.Chat.Remote.AppVersion (AppVersion (..), pattern AppVersionRange)
 import Simplex.Chat.Remote.Types
-import Simplex.Chat.Remote.AppVersion (pattern AppVersionRange, AppVersion (..))
 import Simplex.Chat.Store (AutoAccept (..), StoreError (..), UserContactLink (..))
 import Simplex.Chat.Styled
 import Simplex.Chat.Types
@@ -308,10 +308,10 @@ responseToView hu@(currentRH, user_) ChatConfig {logLevel, showReactions, showRe
       <> maybe [] ((: []) . plain . cryptoFileArgsStr testView) cfArgs_
   CRRemoteCtrlList cs -> viewRemoteCtrls cs
   CRRemoteCtrlFound {remoteCtrl = RemoteCtrlInfo {remoteCtrlId, ctrlDeviceName}, ctrlAppInfo_, appVersion, compatible} ->
-    [ "remote controller " <> sShow remoteCtrlId <> " found: "
+    [ ("remote controller " <> sShow remoteCtrlId <> " found: ")
         <> maybe (deviceName <> "not compatible") (\info -> viewRemoteCtrl info appVersion compatible) ctrlAppInfo_
     ]
-      <> [ "use " <> highlight ("/confirm remote ctrl " <> show remoteCtrlId) <> " to connect" | isJust ctrlAppInfo_ && compatible]
+      <> ["use " <> highlight ("/confirm remote ctrl " <> show remoteCtrlId) <> " to connect" | isJust ctrlAppInfo_ && compatible]
     where
       deviceName = if T.null ctrlDeviceName then "" else plain ctrlDeviceName <> ", "
   CRRemoteCtrlConnecting {remoteCtrl_, ctrlAppInfo, appVersion} ->
@@ -511,7 +511,9 @@ viewChats ts tz = concatMap chatPreview . reverse
 
 viewChatItem :: forall c d. MsgDirectionI d => ChatInfo c -> ChatItem c d -> Bool -> CurrentTime -> TimeZone -> [StyledString]
 viewChatItem chat ci@ChatItem {chatDir, meta = meta@CIMeta {forwardedByMember}, content, quotedItem, file} doShow ts tz =
-  withGroupMsgForwarded . withItemDeleted <$> (case chat of
+  withGroupMsgForwarded . withItemDeleted <$> viewCI
+  where
+    viewCI = case chat of
       DirectChat c -> case chatDir of
         CIDirectSnd -> case content of
           CISndMsgContent mc -> hideLive meta $ withSndFile to $ sndMsg to quote mc
@@ -545,8 +547,7 @@ viewChatItem chat ci@ChatItem {chatDir, meta = meta@CIMeta {forwardedByMember},
             from = ttyFromGroup g m
         where
           quote = maybe [] (groupQuote g) quotedItem
-    _ -> [])
+      _ -> []
-  where
     withItemDeleted item = case chatItemDeletedText ci (chatInfoMembership chat) of
       Nothing -> item
       Just t -> item <> styled (colored Red) (" [" <> t <> "]")
@@ -788,7 +789,7 @@ viewChatCleared (AChatInfo _ chatInfo) = case chatInfo of
 viewContactsList :: [Contact] -> [StyledString]
 viewContactsList =
   let getLDN :: Contact -> ContactName
-      getLDN Contact{localDisplayName} = localDisplayName
+      getLDN Contact {localDisplayName} = localDisplayName
       ldn = T.toLower . getLDN
    in map (\ct -> ctIncognito ct <> ttyFullContact ct <> muted' ct <> alias ct) . sortOn ldn
   where
@@ -823,8 +824,8 @@ simplexChatContact (CRContactUri crData) = CRContactUri crData {crScheme = simpl
 autoAcceptStatus_ :: Maybe AutoAccept -> [StyledString]
 autoAcceptStatus_ = \case
   Just AutoAccept {acceptIncognito, autoReply} ->
-    ("auto_accept on" <> if acceptIncognito then ", incognito" else "") :
+    ("auto_accept on" <> if acceptIncognito then ", incognito" else "")
-    maybe [] ((["auto reply:"] <>) . ttyMsgContent) autoReply
+      : maybe [] ((["auto reply:"] <>) . ttyMsgContent) autoReply
   _ -> ["auto_accept off"]
 
 groupLink_ :: StyledString -> GroupInfo -> ConnReqContact -> GroupMemberRole -> [StyledString]
@@ -907,8 +908,8 @@ viewJoinedGroupMember g m =
 
 viewReceivedGroupInvitation :: GroupInfo -> Contact -> GroupMemberRole -> [StyledString]
 viewReceivedGroupInvitation g c role =
-  ttyFullGroup g <> ": " <> ttyContact' c <> " invites you to join the group as " <> plain (strEncode role) :
+  ttyFullGroup g <> ": " <> ttyContact' c <> " invites you to join the group as " <> plain (strEncode role)
-  case incognitoMembershipProfile g of
+    : case incognitoMembershipProfile g of
       Just mp -> ["use " <> highlight ("/j " <> viewGroupName g) <> " to join incognito as " <> incognitoProfile' (fromLocalProfile mp)]
       Nothing -> ["use " <> highlight ("/j " <> viewGroupName g) <> " to accept"]
 
@@ -996,13 +997,13 @@ viewGroupsList gs = map groupSS $ sortOn (ldn_ . fst) gs
           GSMemRemoved -> delete "you are removed"
           GSMemLeft -> delete "you left"
           GSMemGroupDeleted -> delete "group deleted"
-          _ -> " (" <> memberCount <>
+          _ -> " (" <> memberCount <> viewNtf <> ")"
-            case enableNtfs of
+            where
-              MFAll -> ")"
+              viewNtf = case enableNtfs of
+                MFAll -> ""
                 MFNone -> ", muted, " <> unmute
                 MFMentions -> ", mentions only, " <> unmute
-            where
+              unmute = "you can " <> highlight ("/unmute #" <> viewGroupName g)
-              unmute = "you can " <> highlight ("/unmute #" <> viewGroupName g) <> ")"
         delete reason = " (" <> reason <> ", delete local copy: " <> highlight ("/d #" <> viewGroupName g) <> ")"
         memberCount = sShow currentMembers <> " member" <> if currentMembers == 1 then "" else "s"
 
@@ -1551,7 +1552,8 @@ receivingFile_' hu testView status (AChatItem _ _ chat ChatItem {file = Just CIF
     cfArgsStr (Just cfArgs) = [plain (cryptoFileArgsStr testView cfArgs) | status == "completed"]
     cfArgsStr _ = []
     getRemoteFileStr = case hu of
-      (Just rhId, Just User {userId}) | status == "completed" ->
+      (Just rhId, Just User {userId})
+        | status == "completed" ->
             [ "File received to connected remote host " <> sShow rhId,
               "To download to this device use:",
               highlight ("/get remote file " <> show rhId <> " " <> LB.unpack (J.encode RemoteFile {userId, fileId, sent = False, fileSource = f}))
@@ -1591,7 +1593,7 @@ viewFileTransferStatus (FTSnd FileTransferMeta {cancelled} fts@(ft : _), chunksN
         [recipientsStatus] -> ["sending " <> sndFile ft <> " " <> recipientsStatus]
         recipientsStatuses -> ("sending " <> sndFile ft <> ": ") : map ("  " <>) recipientsStatuses
     fs :: SndFileTransfer -> FileStatus
-    fs SndFileTransfer{fileStatus} = fileStatus
+    fs SndFileTransfer {fileStatus} = fileStatus
     recipientsTransferStatus [] = []
     recipientsTransferStatus ts@(SndFileTransfer {fileStatus, fileSize, chunkSize} : _) = [sndStatus <> ": " <> listRecipients ts]
       where
@@ -1763,7 +1765,8 @@ viewChatError logLevel testView = \case
     CEEmptyUserPassword _ -> ["user password is required"]
     CEUserAlreadyHidden _ -> ["user is already hidden"]
     CEUserNotHidden _ -> ["user is not hidden"]
-    CEInvalidDisplayName {displayName, validName} -> map plain $
+    CEInvalidDisplayName {displayName, validName} ->
+      map plain $
         ["invalid display name: " <> viewName displayName]
           <> ["you could use this one: " <> viewName validName | not (T.null validName)]
     CEChatNotStarted -> ["error: chat not started"]

tests/ChatClient.hs

@@ -5,7 +5,6 @@
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE RankNTypes #-}
 {-# LANGUAGE TypeApplications #-}
-
 {-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
 
 module ChatClient where

tests/ChatTests/Direct.hs

@@ -259,7 +259,6 @@ testPlanInvitationLinkOk =
 
       bob ##> ("/_connect plan 1 " <> inv)
       bob <## "invitation link: ok to connect" -- conn_req_inv is forgotten after connection
-
       alice <##> bob
 
 testPlanInvitationLinkOwn :: HasCallStack => FilePath -> IO ()
@@ -283,7 +282,6 @@ testPlanInvitationLinkOwn tmp =
 
     alice ##> ("/_connect plan 1 " <> inv)
     alice <## "invitation link: ok to connect" -- conn_req_inv is forgotten after connection
-
     alice @@@ [("@alice_1", lastChatFeature), ("@alice_2", lastChatFeature)]
     alice `send` "@alice_2 hi"
     alice
@@ -1213,31 +1211,34 @@ testMuteGroup =
       cath `send` "> #team (hello) hello too!"
       cath <# "#team > bob hello"
       cath <## "      hello too!"
-      concurrently_
+      concurrentlyN_
-        (bob </)
+        [ (bob </),
-        ( do alice <# "#team cath> > bob hello"
+          do
+            alice <# "#team cath> > bob hello"
             alice <## "      hello too!"
-        )
+        ]
       bob ##> "/unmute mentions #team"
       bob <## "ok"
       alice `send` "> #team @bob (hello) hey bob!"
       alice <# "#team > bob hello"
       alice <## "      hey bob!"
-      concurrently_
+      concurrentlyN_
-        ( do bob <# "#team alice> > bob hello"
+        [ do
-             bob <## "      hey bob!"
+            bob <# "#team alice> > bob hello"
-        )
+            bob <## "      hey bob!",
-        ( do cath <# "#team alice> > bob hello"
+          do
+            cath <# "#team alice> > bob hello"
             cath <## "      hey bob!"
-        )
+        ]
       alice `send` "> #team @cath (hello) hey cath!"
       alice <# "#team > cath hello too!"
       alice <## "      hey cath!"
-      concurrently_
+      concurrentlyN_
-        (bob </)
+        [ (bob </),
-        ( do cath <# "#team alice> > cath hello too!"
+          do
+            cath <# "#team alice> > cath hello too!"
             cath <## "      hey cath!"
-        )
+        ]
       bob ##> "/gs"
       bob <## "#team (3 members, mentions only, you can /unmute #team)"
       bob ##> "/unmute #team"

tests/ChatTests/Files.hs

@@ -1,7 +1,6 @@
 {-# LANGUAGE DuplicateRecordFields #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE PostfixOperators #-}
-
 {-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
 
 module ChatTests.Files where

tests/ChatTests/Groups.hs

@@ -7,7 +7,7 @@ import ChatClient
 import ChatTests.Utils
 import Control.Concurrent (threadDelay)
 import Control.Concurrent.Async (concurrently_)
-import Control.Monad (when, void)
+import Control.Monad (void, when)
 import qualified Data.ByteString as B
 import Data.List (isInfixOf)
 import qualified Data.Text as T
@@ -122,7 +122,8 @@ chatGroupTests = do
     -- because host uses current code and sends version in MemberInfo
     testNoDirect vrMem2 vrMem3 noConns =
       it
-        ( "host " <> vRangeStr supportedChatVRange
+        ( "host "
+            <> vRangeStr supportedChatVRange
             <> (", 2nd mem " <> vRangeStr vrMem2)
             <> (", 3rd mem " <> vRangeStr vrMem3)
             <> (if noConns then " : 2 <!!> 3" else " : 2 <##> 3")
@@ -3859,11 +3860,9 @@ testMemberContactProfileUpdate =
       bob #> "#team hello too"
       alice <# "#team rob> hello too"
       cath <# "#team bob> hello too" -- not updated profile
-
       cath #> "#team hello there"
       alice <# "#team kate> hello there"
       bob <# "#team cath> hello there" -- not updated profile
-
       bob `send` "@cath hi"
       bob
         <### [ "member #team cath does not have direct connection, creating",
@@ -3903,7 +3902,6 @@ testMemberContactProfileUpdate =
       bob #> "#team hello too"
       alice <# "#team rob> hello too"
       cath <# "#team rob> hello too" -- updated profile
-
       cath #> "#team hello there"
       alice <# "#team kate> hello there"
       bob <# "#team kate> hello there" -- updated profile
@@ -3941,7 +3939,6 @@ setupGroupForwarding3 gName alice bob cath = do
   createGroup3 gName alice bob cath
 
   threadDelay 1000000 -- delay so intro_status doesn't get overwritten to connected
-
   void $ withCCTransaction bob $ \db ->
     DB.execute_ db "UPDATE connections SET conn_status='deleted' WHERE group_member_id = 3"
   void $ withCCTransaction cath $ \db ->
@@ -3956,7 +3953,6 @@ testGroupMsgForwardDeduplicate =
       createGroup3 "team" alice bob cath
 
       threadDelay 1000000 -- delay so intro_status doesn't get overwritten to connected
-
       void $ withCCTransaction alice $ \db ->
         DB.execute_ db "UPDATE group_member_intros SET intro_status='fwd'"
 
@@ -4001,7 +3997,6 @@ testGroupMsgForwardEdit =
       bob <# "#team [edited] hello there"
       alice <# "#team bob> [edited] hello there"
       cath <# "#team bob> [edited] hello there" -- TODO show as forwarded
-
       alice ##> "/tail #team 1"
       alice <# "#team bob> hello there"
 

tests/ChatTests/Profiles.hs

@@ -7,16 +7,16 @@ import ChatClient
 import ChatTests.Utils
 import Control.Concurrent (threadDelay)
 import Control.Concurrent.Async (concurrently_)
+import Control.Monad
 import Control.Monad.Except
 import qualified Data.Attoparsec.ByteString.Char8 as A
 import qualified Data.ByteString.Char8 as B
 import qualified Data.Text as T
+import Simplex.Chat.Store.Shared (createContact)
 import Simplex.Chat.Types (ConnStatus (..), GroupMemberRole (..), Profile (..))
+import Simplex.Messaging.Encoding.String (StrEncoding (..))
 import System.Directory (copyFile, createDirectoryIfMissing)
 import Test.Hspec
-import Simplex.Chat.Store.Shared (createContact)
-import Control.Monad
-import Simplex.Messaging.Encoding.String (StrEncoding(..))
 
 chatProfileTests :: SpecWith FilePath
 chatProfileTests = do
@@ -633,7 +633,7 @@ testPlanAddressOwn tmp =
     alice <## "alice_1 (Alice) wants to connect to you!"
     alice <## "to accept: /ac alice_1"
     alice <## "to reject: /rc alice_1 (the sender will NOT be notified)"
-    alice @@@ [("<@alice_1", ""), (":2","")]
+    alice @@@ [("<@alice_1", ""), (":2", "")]
     alice ##> "/ac alice_1"
     alice <## "alice_1 (Alice): accepting contact request..."
     alice

tests/ChatTests/Utils.hs

@@ -310,7 +310,7 @@ getInAnyOrder f cc ls = do
       Predicate p -> p l
     filterFirst :: (a -> Bool) -> [a] -> [a]
     filterFirst _ [] = []
-    filterFirst p (x:xs)
+    filterFirst p (x : xs)
       | p x = xs
       | otherwise = x : filterFirst p xs
 

tests/Test.hs

@@ -13,8 +13,8 @@ import RemoteTests
 import SchemaDump
 import Test.Hspec
 import UnliftIO.Temporary (withTempDirectory)
-import ViewTests
 import ValidNames
+import ViewTests
 import WebRTCTests
 
 main :: IO ()