core: group snd status (#2763)

* core: group snd status * schema, implementation * refactor direct, tests * configure, tests * item info * refactor * refactor * remove do * rename * remove receipts on events * refactor * refactor * refactor * refactor * tests * rename tests * aggregates * fix name * refactor --------- Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>
2026-07-28 16:29:49 +00:00 · 2023-07-26 14:49:35 +04:00
parent 26a233ab1a
commit ae9b83515c
19 changed files with 635 additions and 184 deletions
@@ -159,6 +159,9 @@ maxMsgReactions = 3
 fixedImagePreview :: ImageData
 fixedImagePreview = ImageData "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAYAAACqaXHeAAAAAXNSR0IArs4c6QAAAKVJREFUeF7t1kENACEUQ0FQhnVQ9lfGO+xggITQdvbMzArPey+8fa3tAfwAEdABZQspQStgBssEcgAIkSAJkiAJljtEgiRIgmUCSZAESZAESZAEyx0iQRIkwTKBJEiCv5fgvTd1wDmn7QAP4AeIgA4oW0gJWgEzWCZwbQ7gAA7ggLKFOIADOKBMIAeAEAmSIAmSYLlDJEiCJFgmkARJkARJ8N8S/ADTZUewBvnTOQAAAABJRU5ErkJggg=="

+smallGroupsRcptsMemLimit :: Int
+smallGroupsRcptsMemLimit = 20
+
 logCfg :: LogConfig
 logCfg = LogConfig {lc_file = Nothing, lc_stderr = True}

@@ -397,6 +400,12 @@ processChatCommand = \case
    withStore' $ \db -> updateUserContactReceipts db user' settings
    ok user
  SetUserContactReceipts settings -> withUser $ \User {userId} -> processChatCommand $ APISetUserContactReceipts userId settings
+  APISetUserGroupReceipts userId' settings -> withUser $ \user -> do
+    user' <- privateGetUser userId'
+    validateUserPassword user user' Nothing
+    withStore' $ \db -> updateUserGroupReceipts db user' settings
+    ok user
+  SetUserGroupReceipts settings -> withUser $ \User {userId} -> processChatCommand $ APISetUserGroupReceipts userId settings
  APIHideUser userId' (UserPwd viewPwd) -> withUser $ \user -> do
    user' <- privateGetUser userId'
    case viewPwdHash user' of
@@ -494,10 +503,16 @@ processChatCommand = \case
    chatItems <- withStore $ \db -> getAllChatItems db user pagination search
    pure $ CRChatItems user chatItems
  APIGetChatItemInfo chatRef itemId -> withUser $ \user -> do
-    (aci@(AChatItem _ _ _ ci), versions) <- withStore $ \db ->
+    (aci@(AChatItem cType dir _ ci), versions) <- withStore $ \db ->
      (,) <$> getAChatItem db user chatRef itemId <*> liftIO (getChatItemVersions db itemId)
    let itemVersions = if null versions then maybeToList $ mkItemVersion ci else versions
-    pure $ CRChatItemInfo user aci ChatItemInfo {itemVersions}
+    memberDeliveryStatuses <- case (cType, dir) of
+      (SCTGroup, SMDSnd) -> do
+        withStore' (`getGroupSndStatuses` itemId) >>= \case
+          [] -> pure Nothing
+          memStatuses -> pure $ Just $ map (uncurry MemberDeliveryStatus) memStatuses
+      _ -> pure Nothing
+    pure $ CRChatItemInfo user aci ChatItemInfo {itemVersions, memberDeliveryStatuses}
  APISendMessage (ChatRef cType chatId) live itemTTL (ComposedMessage file_ quotedItemId_ mc) -> withUser $ \user@User {userId} -> withChatLock "sendMessage" $ case cType of
    CTDirect -> do
      ct@Contact {contactId, localDisplayName = c, contactUsed} <- withStore $ \db -> getContact db user chatId
@@ -572,9 +587,12 @@ processChatCommand = \case
            (fInv_, ciFile_, ft_) <- unzipMaybe3 <$> setupSndFileTransfer g (length $ filter memberCurrent ms)
            timed_ <- sndGroupCITimed live gInfo itemTTL
            (msgContainer, quotedItem_) <- prepareMsg fInv_ timed_ membership
-            msg@SndMessage {sharedMsgId} <- sendGroupMessage user gInfo ms (XMsgNew msgContainer)
+            (msg@SndMessage {sharedMsgId}, sentToMembers) <- sendGroupMessage user gInfo ms (XMsgNew msgContainer)
            mapM_ (sendGroupFileInline ms sharedMsgId) ft_
            ci <- saveSndChatItem' user (CDGroupSnd gInfo) msg (CISndMsgContent mc) ciFile_ quotedItem_ timed_ live
+            withStore' $ \db ->
+              forM_ sentToMembers $ \GroupMember {groupMemberId} ->
+                createGroupSndStatus db (chatItemId' ci) groupMemberId CISSndNew
            forM_ (timed_ >>= timedDeleteAt') $
              startProximateTimedItemThread user (ChatRef CTGroup groupId, chatItemId' ci)
            setActive $ ActiveG gName
@@ -708,7 +726,7 @@ processChatCommand = \case
              let changed = mc /= oldMC
              if changed || fromMaybe False itemLive
                then do
-                  SndMessage {msgId} <- sendGroupMessage user gInfo ms (XMsgUpdate itemSharedMId mc (ttl' <$> itemTimed) (justTrue . (live &&) =<< itemLive))
+                  (SndMessage {msgId}, _) <- sendGroupMessage user gInfo ms (XMsgUpdate itemSharedMId mc (ttl' <$> itemTimed) (justTrue . (live &&) =<< itemLive))
                  ci' <- withStore' $ \db -> do
                    currentTs <- liftIO getCurrentTime
                    when changed $
@@ -742,7 +760,7 @@ processChatCommand = \case
        (CIDMInternal, _, _, _) -> deleteGroupCI user gInfo ci True False Nothing =<< liftIO getCurrentTime
        (CIDMBroadcast, SMDSnd, Just itemSharedMId, True) -> do
          assertUserGroupRole gInfo GRObserver -- can still delete messages sent earlier
-          SndMessage {msgId} <- sendGroupMessage user gInfo ms $ XMsgDel itemSharedMId Nothing
+          (SndMessage {msgId}, _) <- sendGroupMessage user gInfo ms $ XMsgDel itemSharedMId Nothing
          delGroupChatItem user gInfo ci msgId Nothing
        (CIDMBroadcast, _, _, _) -> throwChatError CEInvalidChatItemDelete
    CTContactRequest -> pure $ chatCmdError (Just user) "not supported"
@@ -754,7 +772,7 @@ processChatCommand = \case
      (CIGroupRcv GroupMember {groupMemberId, memberRole, memberId}, Just itemSharedMId) -> do
        when (groupMemberId /= mId) $ throwChatError CEInvalidChatItemDelete
        assertUserGroupRole gInfo $ max GRAdmin memberRole
-        SndMessage {msgId} <- sendGroupMessage user gInfo ms $ XMsgDel itemSharedMId $ Just memberId
+        (SndMessage {msgId}, _) <- sendGroupMessage user gInfo ms $ XMsgDel itemSharedMId $ Just memberId
        delGroupChatItem user gInfo ci msgId (Just membership)
      (_, _) -> throwChatError CEInvalidChatItemDelete
  APIChatItemReaction (ChatRef cType chatId) itemId add reaction -> withUser $ \user -> withChatLock "chatItemReaction" $ case cType of
@@ -786,7 +804,7 @@ processChatCommand = \case
          let GroupMember {memberId = itemMemberId} = chatItemMember g ci
          rs <- withStore' $ \db -> getGroupReactions db g membership itemMemberId itemSharedMId True
          checkReactionAllowed rs
-          SndMessage {msgId} <- sendGroupMessage user g ms (XMsgReact itemSharedMId (Just itemMemberId) reaction add)
+          (SndMessage {msgId}, _) <- sendGroupMessage user g ms (XMsgReact itemSharedMId (Just itemMemberId) reaction add)
          createdAt <- liftIO getCurrentTime
          reactions <- withStore' $ \db -> do
            setGroupReaction db g membership itemMemberId itemSharedMId True reaction add msgId createdAt
@@ -1409,7 +1427,7 @@ processChatCommand = \case
                  (Just ct, Just cReq) -> sendGrpInvitation user ct gInfo (m :: GroupMember) {memberRole = memRole} cReq
                  _ -> throwChatError $ CEGroupCantResendInvitation gInfo cName
              _ -> do
-                msg <- sendGroupMessage user gInfo members $ XGrpMemRole mId memRole
+                (msg, _) <- sendGroupMessage user gInfo members $ XGrpMemRole mId memRole
                ci <- saveSndChatItem user (CDGroupSnd gInfo) msg (CISndGroupEvent gEvent)
                toView $ CRNewChatItem user (AChatItem SCTGroup SMDSnd (GroupChat gInfo) ci)
          pure CRMemberRoleUser {user, groupInfo = gInfo, member = m {memberRole = memRole}, fromRole = mRole, toRole = memRole}
@@ -1425,7 +1443,7 @@ processChatCommand = \case
              deleteMemberConnection user m
              withStore' $ \db -> deleteGroupMember db user m
            _ -> do
-              msg <- sendGroupMessage user gInfo members $ XGrpMemDel mId
+              (msg, _) <- sendGroupMessage user gInfo members $ XGrpMemDel mId
              ci <- saveSndChatItem user (CDGroupSnd gInfo) msg (CISndGroupEvent $ SGEMemberDeleted memberId (fromLocalProfile memberProfile))
              toView $ CRNewChatItem user (AChatItem SCTGroup SMDSnd (GroupChat gInfo) ci)
              deleteMemberConnection user m
@@ -1435,7 +1453,7 @@ processChatCommand = \case
  APILeaveGroup groupId -> withUser $ \user@User {userId} -> do
    Group gInfo@GroupInfo {membership} members <- withStore $ \db -> getGroup db user groupId
    withChatLock "leaveGroup" . procCmd $ do
-      msg <- sendGroupMessage user gInfo members XGrpLeave
+      (msg, _) <- sendGroupMessage user gInfo members XGrpLeave
      ci <- saveSndChatItem user (CDGroupSnd gInfo) msg (CISndGroupEvent SGEUserLeft)
      toView $ CRNewChatItem user (AChatItem SCTGroup SMDSnd (GroupChat gInfo) ci)
      -- TODO delete direct connections that were unused
@@ -1823,7 +1841,7 @@ processChatCommand = \case
    runUpdateGroupProfile user (Group g@GroupInfo {groupProfile = p} ms) p' = do
      assertUserGroupRole g GROwner
      g' <- withStore $ \db -> updateGroupProfile db user g p'
-      msg <- sendGroupMessage user g' ms (XGrpInfo p')
+      (msg, _) <- sendGroupMessage user g' ms (XGrpInfo p')
      let cd = CDGroupSnd g'
      unless (sameGroupProfileInfo p p') $ do
        ci <- saveSndChatItem user cd msg (CISndGroupEvent $ SGEGroupUpdated p')
@@ -2871,12 +2889,7 @@ processAgentMessageConn user@User {userId} corrId agentConnId agentMessage = do
        SENT msgId -> do
          sentMsgDeliveryEvent conn msgId
          checkSndInlineFTComplete conn msgId
-          withStore' (\db -> getDirectChatItemByAgentMsgId db user contactId connId msgId) >>= \case
-            Just (CChatItem SMDSnd ChatItem {meta = CIMeta {itemStatus = CISSndRcvd _}}) -> pure ()
-            Just (CChatItem SMDSnd ci) -> do
-              chatItem <- withStore $ \db -> updateDirectChatItemStatus db user contactId (chatItemId' ci) CISSndSent
-              toView $ CRChatItemStatusUpdated user (AChatItem SCTDirect SMDSnd (DirectChat ct) chatItem)
-            _ -> pure ()
+          updateDirectItemStatus ct conn msgId $ CISSndSent SSPComplete
        SWITCH qd phase cStats -> do
          toView $ CRContactSwitch user ct (SwitchProgress qd phase cStats)
          when (phase `elem` [SPStarted, SPCompleted]) $ case qd of
@@ -2917,10 +2930,7 @@ processAgentMessageConn user@User {userId} corrId agentConnId agentMessage = do
          withCompletedCommand conn agentMsg $ \CommandData {cmdFunction, cmdId} ->
            when (cmdFunction == CFAckMessage) $ ackMsgDeliveryEvent conn cmdId
        MERR msgId err -> do
-          chatItemId_ <- withStore' $ \db -> getChatItemIdByAgentMsgId db connId msgId
-          forM_ chatItemId_ $ \chatItemId -> do
-            chatItem <- withStore $ \db -> updateDirectChatItemStatus db user contactId chatItemId (agentErrToItemStatus err)
-            toView $ CRChatItemStatusUpdated user (AChatItem SCTDirect SMDSnd (DirectChat ct) chatItem)
+          updateDirectItemStatus ct conn msgId $ agentErrToItemStatus err
          toView $ CRChatError (Just user) (ChatErrorAgent err $ Just connEntity)
          incAuthErrCounter connEntity conn err
        ERR err -> do
@@ -3066,7 +3076,12 @@ processAgentMessageConn user@User {userId} corrId agentConnId agentMessage = do
            XGrpInfo p' -> xGrpInfo gInfo m p' msg msgMeta
            BFileChunk sharedMsgId chunk -> bFileChunkGroup gInfo sharedMsgId chunk msgMeta
            _ -> messageError $ "unsupported message: " <> T.pack (show event)
-          pure False -- no receipts in group now $ hasDeliveryReceipt $ toCMEventTag event
+          currentMemCount <- withStore' $ \db -> getGroupCurrentMembersCount db user gInfo
+          let GroupInfo {chatSettings = ChatSettings {sendRcpts}} = gInfo
+          pure $
+            fromMaybe (sendRcptsSmallGroups user) sendRcpts
+              && hasDeliveryReceipt (toCMEventTag event)
+              && currentMemCount <= smallGroupsRcptsMemLimit
        where
          canSend a
            | memberRole (m :: GroupMember) <= GRObserver = messageError "member is not allowed to send messages"
@@ -3077,6 +3092,7 @@ processAgentMessageConn user@User {userId} corrId agentConnId agentMessage = do
      SENT msgId -> do
        sentMsgDeliveryEvent conn msgId
        checkSndInlineFTComplete conn msgId
+        updateGroupItemStatus gInfo m conn msgId $ CISSndSent SSPComplete
      SWITCH qd phase cStats -> do
        toView $ CRGroupMemberSwitch user gInfo m (SwitchProgress qd phase cStats)
        when (phase `elem` [SPStarted, SPCompleted]) $ case qd of
@@ -3113,7 +3129,11 @@ processAgentMessageConn user@User {userId} corrId agentConnId agentMessage = do
        -- [async agent commands] continuation on receiving OK
        withCompletedCommand conn agentMsg $ \CommandData {cmdFunction, cmdId} ->
          when (cmdFunction == CFAckMessage) $ ackMsgDeliveryEvent conn cmdId
-      MERR _ err -> do
+      MERR msgId err -> do
+        chatItemId_ <- withStore' $ \db -> getChatItemIdByAgentMsgId db connId msgId
+        forM_ chatItemId_ $ \itemId -> do
+          let GroupMember {groupMemberId} = m
+          updateGroupMemSndStatus itemId groupMemberId $ agentErrToItemStatus err
        -- group errors are silenced to reduce load on UI event log
        -- toView $ CRChatError (Just user) (ChatErrorAgent err $ Just connEntity)
        incAuthErrCounter connEntity conn err
@@ -3368,7 +3388,6 @@ processAgentMessageConn user@User {userId} corrId agentConnId agentMessage = do
      -- 1) retry processing several times
      -- 2) stabilize database
      -- 3) show screen of death to the user asking to restart
-      -- TODO send receipt depending on contact/group settings
      tryChatError action >>= \case
        Right withRcpt -> ack $ if withRcpt then Just "" else Nothing
        Left e -> ack Nothing >> throwError e
@@ -4295,21 +4314,52 @@ processAgentMessageConn user@User {userId} corrId agentConnId agentMessage = do
        createGroupFeatureChangedItems user cd CIRcvGroupFeature g g'

    directMsgReceived :: Contact -> Connection -> MsgMeta -> NonEmpty MsgReceipt -> m ()
-    directMsgReceived ct@Contact {contactId} Connection {connId} msgMeta msgRcpts = do
+    directMsgReceived ct conn@Connection {connId} msgMeta msgRcpts = do
      checkIntegrityCreateItem (CDDirectRcv ct) msgMeta
      forM_ msgRcpts $ \MsgReceipt {agentMsgId, msgRcptStatus} -> do
        withStore $ \db -> createSndMsgDeliveryEvent db connId agentMsgId $ MDSSndRcvd msgRcptStatus
-        withStore' (\db -> getDirectChatItemByAgentMsgId db user contactId connId agentMsgId) >>= \case
-          Just (CChatItem SMDSnd ci) -> do
-            chatItem <- withStore $ \db -> updateDirectChatItemStatus db user contactId (chatItemId' ci) $ CISSndRcvd msgRcptStatus
-            toView $ CRChatItemStatusUpdated user (AChatItem SCTDirect SMDSnd (DirectChat ct) chatItem)
-          _ -> pure ()
+        updateDirectItemStatus ct conn agentMsgId $ CISSndRcvd msgRcptStatus SSPComplete

    groupMsgReceived :: GroupInfo -> GroupMember -> Connection -> MsgMeta -> NonEmpty MsgReceipt -> m ()
-    groupMsgReceived gInfo m Connection {connId} msgMeta msgRcpts = do
+    groupMsgReceived gInfo m conn@Connection {connId} msgMeta msgRcpts = do
      checkIntegrityCreateItem (CDGroupRcv gInfo m) msgMeta
-      forM_ msgRcpts $ \MsgReceipt {agentMsgId, msgRcptStatus} ->
+      forM_ msgRcpts $ \MsgReceipt {agentMsgId, msgRcptStatus} -> do
        withStore $ \db -> createSndMsgDeliveryEvent db connId agentMsgId $ MDSSndRcvd msgRcptStatus
+        updateGroupItemStatus gInfo m conn agentMsgId $ CISSndRcvd msgRcptStatus SSPComplete
+
+    updateDirectItemStatus :: Contact -> Connection -> AgentMsgId -> CIStatus 'MDSnd -> m ()
+    updateDirectItemStatus ct@Contact {contactId} Connection {connId} msgId newStatus =
+      withStore' (\db -> getDirectChatItemByAgentMsgId db user contactId connId msgId) >>= \case
+        Just (CChatItem SMDSnd ChatItem {meta = CIMeta {itemStatus = CISSndRcvd _ _}}) -> pure ()
+        Just (CChatItem SMDSnd ChatItem {meta = CIMeta {itemId, itemStatus}})
+          | itemStatus == newStatus -> pure ()
+          | otherwise -> do
+            chatItem <- withStore $ \db -> updateDirectChatItemStatus db user contactId itemId newStatus
+            toView $ CRChatItemStatusUpdated user (AChatItem SCTDirect SMDSnd (DirectChat ct) chatItem)
+        _ -> pure ()
+
+    updateGroupMemSndStatus :: ChatItemId -> GroupMemberId -> CIStatus 'MDSnd -> m Bool
+    updateGroupMemSndStatus itemId groupMemberId newStatus =
+      runExceptT (withStore $ \db -> getGroupSndStatus db itemId groupMemberId) >>= \case
+        Right (CISSndRcvd _ _) -> pure False
+        Right memStatus
+          | memStatus == newStatus -> pure False
+          | otherwise -> withStore' (\db -> updateGroupSndStatus db itemId groupMemberId newStatus) $> True
+        _ -> pure False
+
+    updateGroupItemStatus :: GroupInfo -> GroupMember -> Connection -> AgentMsgId -> CIStatus 'MDSnd -> m ()
+    updateGroupItemStatus gInfo@GroupInfo {groupId} GroupMember {groupMemberId} Connection {connId} msgId newMemStatus =
+      withStore' (\db -> getGroupChatItemByAgentMsgId db user groupId connId msgId) >>= \case
+        Just (CChatItem SMDSnd ChatItem {meta = CIMeta {itemStatus = CISSndRcvd _ SSPComplete}}) -> pure ()
+        Just (CChatItem SMDSnd ChatItem {meta = CIMeta {itemId, itemStatus}}) -> do
+          memStatusChanged <- updateGroupMemSndStatus itemId groupMemberId newMemStatus
+          when memStatusChanged $ do
+            memStatusCounts <- withStore' (`getGroupSndStatusCounts` itemId)
+            let newStatus = membersGroupItemStatus memStatusCounts
+            when (newStatus /= itemStatus) $ do
+              chatItem <- withStore $ \db -> updateGroupChatItemStatus db user groupId itemId newStatus
+              toView $ CRChatItemStatusUpdated user (AChatItem SCTGroup SMDSnd (GroupChat gInfo) chatItem)
+        _ -> pure ()

 parseFileDescription :: (ChatMonad m, FilePartyI p) => Text -> m (ValidFileDescription p)
 parseFileDescription =
@@ -4525,26 +4575,33 @@ deliverMessage conn@Connection {connId} cmEventTag msgBody msgId = do
    (Just $ "createSndMsgDelivery, sndMsgDelivery: " <> show sndMsgDelivery <> ", msgId: " <> show msgId <> ", cmEventTag: " <> show cmEventTag <> ", msgDeliveryStatus: MDSSndAgent")
    $ \db -> createSndMsgDelivery db sndMsgDelivery msgId

-sendGroupMessage :: (MsgEncodingI e, ChatMonad m) => User -> GroupInfo -> [GroupMember] -> ChatMsgEvent e -> m SndMessage
+sendGroupMessage :: (MsgEncodingI e, ChatMonad m) => User -> GroupInfo -> [GroupMember] -> ChatMsgEvent e -> m (SndMessage, [GroupMember])
 sendGroupMessage user GroupInfo {groupId} members chatMsgEvent =
  sendGroupMessage' user members chatMsgEvent groupId Nothing $ pure ()

-sendGroupMessage' :: (MsgEncodingI e, ChatMonad m) => User -> [GroupMember] -> ChatMsgEvent e -> Int64 -> Maybe Int64 -> m () -> m SndMessage
+sendGroupMessage' :: forall e m. (MsgEncodingI e, ChatMonad m) => User -> [GroupMember] -> ChatMsgEvent e -> Int64 -> Maybe Int64 -> m () -> m (SndMessage, [GroupMember])
 sendGroupMessage' user members chatMsgEvent groupId introId_ postDeliver = do
  msg <- createSndMessage chatMsgEvent (GroupId groupId)
  -- TODO collect failed deliveries into a single error
-  forM_ (filter memberCurrent members) $ \m ->
-    messageMember m msg `catchChatError` (toView . CRChatError (Just user))
-  pure msg
+  rs <- forM (filter memberCurrent members) $ \m ->
+    messageMember m msg `catchChatError` (\e -> toView (CRChatError (Just user) e) $> Nothing)
+  let sentToMembers = catMaybes rs
+  pure (msg, sentToMembers)
  where
+    messageMember :: GroupMember -> SndMessage -> m (Maybe GroupMember)
    messageMember m@GroupMember {groupMemberId} SndMessage {msgId, msgBody} = case memberConn m of
-      Nothing -> withStore' $ \db -> createPendingGroupMessage db groupMemberId msgId introId_
+      Nothing -> do
+        withStore' $ \db -> createPendingGroupMessage db groupMemberId msgId introId_
+        pure $ Just m
      Just conn@Connection {connStatus}
-        | connDisabled conn || connStatus == ConnDeleted -> pure ()
+        | connDisabled conn || connStatus == ConnDeleted -> pure Nothing
        | connStatus == ConnSndReady || connStatus == ConnReady -> do
          let tag = toCMEventTag chatMsgEvent
          deliverMessage conn tag msgBody msgId >> postDeliver
-        | otherwise -> withStore' $ \db -> createPendingGroupMessage db groupMemberId msgId introId_
+          pure $ Just m
+        | otherwise -> do
+          withStore' $ \db -> createPendingGroupMessage db groupMemberId msgId introId_
+          pure $ Just m

 sendPendingGroupMessages :: ChatMonad m => User -> GroupMember -> Connection -> m ()
 sendPendingGroupMessages user GroupMember {groupMemberId, localDisplayName} conn = do
@@ -4926,8 +4983,10 @@ chatCommandP =
      "/_user " *> (APISetActiveUser <$> A.decimal <*> optional (A.space *> jsonP)),
      ("/user " <|> "/u ") *> (SetActiveUser <$> displayName <*> optional (A.space *> pwdP)),
      "/set receipts all " *> (SetAllContactReceipts <$> onOffP),
-      "/_set receipts " *> (APISetUserContactReceipts <$> A.decimal <* A.space <*> receiptSettings),
-      "/set receipts " *> (SetUserContactReceipts <$> receiptSettings),
+      "/_set receipts contacts " *> (APISetUserContactReceipts <$> A.decimal <* A.space <*> receiptSettings),
+      "/set receipts contacts " *> (SetUserContactReceipts <$> receiptSettings),
+      "/_set receipts groups " *> (APISetUserGroupReceipts <$> A.decimal <* A.space <*> receiptSettings),
+      "/set receipts groups " *> (SetUserGroupReceipts <$> receiptSettings),
      "/_hide user " *> (APIHideUser <$> A.decimal <* A.space <*> jsonP),
      "/_unhide user " *> (APIUnhideUser <$> A.decimal <* A.space <*> jsonP),
      "/_mute user " *> (APIMuteUser <$> A.decimal),
@@ -203,6 +203,8 @@ data ChatCommand
  | SetAllContactReceipts Bool
  | APISetUserContactReceipts UserId UserMsgReceiptSettings
  | SetUserContactReceipts UserMsgReceiptSettings
+  | APISetUserGroupReceipts UserId UserMsgReceiptSettings
+  | SetUserGroupReceipts UserMsgReceiptSettings
  | APIHideUser UserId UserPwd
  | APIUnhideUser UserId UserPwd
  | APIMuteUser UserId
@@ -21,7 +21,7 @@ import qualified Data.Attoparsec.ByteString.Char8 as A
 import qualified Data.ByteString.Base64 as B64
 import qualified Data.ByteString.Lazy.Char8 as LB
 import Data.Int (Int64)
-import Data.Maybe (isJust, isNothing)
+import Data.Maybe (fromMaybe, isJust, isNothing)
 import Data.Text (Text)
 import qualified Data.Text as T
 import Data.Text.Encoding (decodeLatin1, encodeUtf8)
@@ -624,13 +624,15 @@ data CIFileInfo = CIFileInfo

 data CIStatus (d :: MsgDirection) where
  CISSndNew :: CIStatus 'MDSnd
-  CISSndSent :: CIStatus 'MDSnd
-  CISSndRcvd :: MsgReceiptStatus -> CIStatus 'MDSnd
+  CISSndSent :: SndCIStatusProgress -> CIStatus 'MDSnd
+  CISSndRcvd :: MsgReceiptStatus -> SndCIStatusProgress -> CIStatus 'MDSnd
  CISSndErrorAuth :: CIStatus 'MDSnd
  CISSndError :: String -> CIStatus 'MDSnd
  CISRcvNew :: CIStatus 'MDRcv
  CISRcvRead :: CIStatus 'MDRcv

+deriving instance Eq (CIStatus d)
+
 deriving instance Show (CIStatus d)

 instance ToJSON (CIStatus d) where
@@ -639,6 +641,8 @@ instance ToJSON (CIStatus d) where

 instance MsgDirectionI d => ToField (CIStatus d) where toField = toField . decodeLatin1 . strEncode

+instance (Typeable d, MsgDirectionI d) => FromField (CIStatus d) where fromField = fromTextField_ $ eitherToMaybe . strDecode . encodeUtf8
+
 instance FromField ACIStatus where fromField = fromTextField_ $ eitherToMaybe . strDecode . encodeUtf8

 data ACIStatus = forall d. MsgDirectionI d => ACIStatus (SMsgDirection d) (CIStatus d)
@@ -648,8 +652,8 @@ deriving instance Show ACIStatus
 instance MsgDirectionI d => StrEncoding (CIStatus d) where
  strEncode = \case
    CISSndNew -> "snd_new"
-    CISSndSent -> "snd_sent"
-    CISSndRcvd status -> "snd_rcvd " <> strEncode status
+    CISSndSent sndProgress -> "snd_sent " <> strEncode sndProgress
+    CISSndRcvd msgRcptStatus sndProgress -> "snd_rcvd " <> strEncode msgRcptStatus <> " " <> strEncode sndProgress
    CISSndErrorAuth -> "snd_error_auth"
    CISSndError e -> "snd_error " <> encodeUtf8 (T.pack e)
    CISRcvNew -> "rcv_new"
@@ -661,8 +665,8 @@ instance StrEncoding ACIStatus where
  strP =
    A.takeTill (== ' ') >>= \case
      "snd_new" -> pure $ ACIStatus SMDSnd CISSndNew
-      "snd_sent" -> pure $ ACIStatus SMDSnd CISSndSent
-      "snd_rcvd" -> ACIStatus SMDSnd . CISSndRcvd <$> (A.space *> strP)
+      "snd_sent" -> ACIStatus SMDSnd . CISSndSent <$> ((A.space *> strP) <|> pure SSPComplete)
+      "snd_rcvd" -> ACIStatus SMDSnd <$> (CISSndRcvd <$> (A.space *> strP) <*> ((A.space *> strP) <|> pure SSPComplete))
      "snd_error_auth" -> pure $ ACIStatus SMDSnd CISSndErrorAuth
      "snd_error" -> ACIStatus SMDSnd . CISSndError . T.unpack . safeDecodeUtf8 <$> (A.space *> A.takeByteString)
      "rcv_new" -> pure $ ACIStatus SMDRcv CISRcvNew
@@ -671,8 +675,8 @@ instance StrEncoding ACIStatus where

 data JSONCIStatus
  = JCISSndNew
-  | JCISSndSent
-  | JCISSndRcvd {msgRcptStatus :: MsgReceiptStatus}
+  | JCISSndSent {sndProgress :: SndCIStatusProgress}
+  | JCISSndRcvd {msgRcptStatus :: MsgReceiptStatus, sndProgress :: SndCIStatusProgress}
  | JCISSndErrorAuth
  | JCISSndError {agentError :: String}
  | JCISRcvNew
@@ -686,8 +690,8 @@ instance ToJSON JSONCIStatus where
 jsonCIStatus :: CIStatus d -> JSONCIStatus
 jsonCIStatus = \case
  CISSndNew -> JCISSndNew
-  CISSndSent -> JCISSndSent
-  CISSndRcvd ok -> JCISSndRcvd ok
+  CISSndSent sndProgress -> JCISSndSent sndProgress
+  CISSndRcvd msgRcptStatus sndProgress -> JCISSndRcvd msgRcptStatus sndProgress
  CISSndErrorAuth -> JCISSndErrorAuth
  CISSndError e -> JCISSndError e
  CISRcvNew -> JCISRcvNew
@@ -703,6 +707,40 @@ ciCreateStatus content = case msgDirection @d of
  SMDSnd -> ciStatusNew
  SMDRcv -> if ciRequiresAttention content then ciStatusNew else CISRcvRead

+membersGroupItemStatus :: [(CIStatus 'MDSnd, Int)] -> CIStatus 'MDSnd
+membersGroupItemStatus memStatusCounts
+  | rcvdOk == total = CISSndRcvd MROk SSPComplete
+  | rcvdOk + rcvdBad == total = CISSndRcvd MRBadMsgHash SSPComplete
+  | rcvdBad > 0 = CISSndRcvd MRBadMsgHash SSPPartial
+  | rcvdOk > 0 = CISSndRcvd MROk SSPPartial
+  | sent == total = CISSndSent SSPComplete
+  | sent > 0 = CISSndSent SSPPartial
+  | otherwise = CISSndNew
+  where
+    total = sum $ map snd memStatusCounts
+    rcvdOk = fromMaybe 0 $ lookup (CISSndRcvd MROk SSPComplete) memStatusCounts
+    rcvdBad = fromMaybe 0 $ lookup (CISSndRcvd MRBadMsgHash SSPComplete) memStatusCounts
+    sent = fromMaybe 0 $ lookup (CISSndSent SSPComplete) memStatusCounts
+
+data SndCIStatusProgress
+  = SSPPartial
+  | SSPComplete
+  deriving (Eq, Show, Generic)
+
+instance ToJSON SndCIStatusProgress where
+  toJSON = J.genericToJSON . enumJSON $ dropPrefix "SSP"
+  toEncoding = J.genericToEncoding . enumJSON $ dropPrefix "SSP"
+
+instance StrEncoding SndCIStatusProgress where
+  strEncode = \case
+    SSPPartial -> "partial"
+    SSPComplete -> "complete"
+  strP =
+    A.takeWhile1 (/= ' ') >>= \case
+      "partial" -> pure SSPPartial
+      "complete" -> pure SSPComplete
+      _ -> fail "bad SndCIStatusProgress"
+
 type ChatItemId = Int64

 type ChatItemTs = UTCTime
@@ -887,7 +925,8 @@ itemDeletedTs = \case
  CIModerated ts _ -> ts

 data ChatItemInfo = ChatItemInfo
-  { itemVersions :: [ChatItemVersion]
+  { itemVersions :: [ChatItemVersion],
+    memberDeliveryStatuses :: Maybe [MemberDeliveryStatus]
  }
  deriving (Eq, Show, Generic)

@@ -917,6 +956,14 @@ mkItemVersion ChatItem {content, meta} = version <$> ciMsgContent content
          createdAt = createdAt
        }

+data MemberDeliveryStatus = MemberDeliveryStatus
+  { groupMemberId :: GroupMemberId,
+    memberDeliveryStatus :: CIStatus 'MDSnd
+  }
+  deriving (Eq, Show, Generic)
+
+instance ToJSON MemberDeliveryStatus where toEncoding = J.genericToEncoding J.defaultOptions
+
 data CIModeration = CIModeration
  { moderationId :: Int64,
    moderatorMember :: GroupMember,
@@ -0,0 +1,33 @@
+{-# LANGUAGE QuasiQuotes #-}
+
+module Simplex.Chat.Migrations.M20230721_group_snd_item_statuses where
+
+import Database.SQLite.Simple (Query)
+import Database.SQLite.Simple.QQ (sql)
+
+m20230721_group_snd_item_statuses :: Query
+m20230721_group_snd_item_statuses =
+  [sql|
+CREATE TABLE group_snd_item_statuses (
+  group_snd_item_status_id INTEGER PRIMARY KEY,
+  chat_item_id INTEGER NOT NULL REFERENCES chat_items ON DELETE CASCADE,
+  group_member_id INTEGER NOT NULL REFERENCES group_members ON DELETE CASCADE,
+  group_snd_item_status TEXT NOT NULL,
+  created_at TEXT NOT NULL DEFAULT(datetime('now')),
+  updated_at TEXT NOT NULL DEFAULT(datetime('now'))
+);
+
+CREATE INDEX idx_group_snd_item_statuses_chat_item_id ON group_snd_item_statuses(chat_item_id);
+CREATE INDEX idx_group_snd_item_statuses_group_member_id ON group_snd_item_statuses(group_member_id);
+
+UPDATE users SET send_rcpts_small_groups = 1 WHERE send_rcpts_contacts = 1;
+|]
+
+down_m20230721_group_snd_item_statuses :: Query
+down_m20230721_group_snd_item_statuses =
+  [sql|
+DROP INDEX idx_group_snd_item_statuses_group_member_id;
+DROP INDEX idx_group_snd_item_statuses_chat_item_id;
+
+DROP TABLE group_snd_item_statuses;
+|]
@@ -496,6 +496,14 @@ CREATE TABLE chat_item_moderations(
  created_at TEXT NOT NULL DEFAULT(datetime('now')),
  updated_at TEXT NOT NULL DEFAULT(datetime('now'))
 );
+CREATE TABLE group_snd_item_statuses(
+  group_snd_item_status_id INTEGER PRIMARY KEY,
+  chat_item_id INTEGER NOT NULL REFERENCES chat_items ON DELETE CASCADE,
+  group_member_id INTEGER NOT NULL REFERENCES group_members ON DELETE CASCADE,
+  group_snd_item_status TEXT NOT NULL,
+  created_at TEXT NOT NULL DEFAULT(datetime('now')),
+  updated_at TEXT NOT NULL DEFAULT(datetime('now'))
+);
 CREATE INDEX contact_profiles_index ON contact_profiles(
  display_name,
  full_name
@@ -687,3 +695,9 @@ CREATE INDEX idx_chat_item_moderations_group ON chat_item_moderations(
  item_member_id,
  shared_msg_id
 );
+CREATE INDEX idx_group_snd_item_statuses_chat_item_id ON group_snd_item_statuses(
+  chat_item_id
+);
+CREATE INDEX idx_group_snd_item_statuses_group_member_id ON group_snd_item_statuses(
+  group_member_id
+);
@@ -39,6 +39,7 @@ module Simplex.Chat.Store.Groups
    getGroupMemberById,
    getGroupMembers,
    getGroupMembersForExpiration,
+    getGroupCurrentMembersCount,
    deleteGroupConnectionsAndFiles,
    deleteGroupItemsAndMembers,
    deleteGroup,
@@ -548,6 +549,20 @@ toContactMember :: User -> (GroupMemberRow :. MaybeConnectionRow) -> GroupMember
 toContactMember User {userContactId} (memberRow :. connRow) =
  (toGroupMember userContactId memberRow) {activeConn = toMaybeConnection connRow}

+getGroupCurrentMembersCount :: DB.Connection -> User -> GroupInfo -> IO Int
+getGroupCurrentMembersCount db User {userId} GroupInfo {groupId} = do
+  statuses :: [GroupMemberStatus] <-
+    map fromOnly
+      <$> DB.query
+        db
+        [sql|
+          SELECT member_status
+          FROM group_members
+          WHERE group_id = ? AND user_id = ?
+        |]
+        (groupId, userId)
+  pure $ length $ filter memberCurrent' statuses
+
 getGroupInvitation :: DB.Connection -> User -> GroupId -> ExceptT StoreError IO ReceivedGroupInvitation
 getGroupInvitation db user groupId =
  getConnRec_ user >>= \case
@@ -44,6 +44,7 @@ module Simplex.Chat.Store.Messages
    createChatItemVersion,
    deleteDirectChatItem,
    markDirectChatItemDeleted,
+    updateGroupChatItemStatus,
    updateGroupChatItem,
    deleteGroupChatItem,
    updateGroupChatItemModerated,
@@ -69,6 +70,7 @@ module Simplex.Chat.Store.Messages
    getGroupChatItem,
    getGroupChatItemBySharedMsgId,
    getGroupMemberCIBySharedMsgId,
+    getGroupChatItemByAgentMsgId,
    getGroupMemberChatItemLast,
    getDirectChatItemIdByText,
    getDirectChatItemIdByText',
@@ -87,6 +89,11 @@ module Simplex.Chat.Store.Messages
    createCIModeration,
    getCIModeration,
    deleteCIModeration,
+    createGroupSndStatus,
+    getGroupSndStatus,
+    updateGroupSndStatus,
+    getGroupSndStatuses,
+    getGroupSndStatusCounts,
  )
 where

@@ -1325,6 +1332,16 @@ getDirectChatItemIdByText' db User {userId} contactId msg =
      |]
      (userId, contactId, msg <> "%")

+updateGroupChatItemStatus :: forall d. MsgDirectionI d => DB.Connection -> User -> GroupId -> ChatItemId -> CIStatus d -> ExceptT StoreError IO (ChatItem 'CTGroup d)
+updateGroupChatItemStatus db user@User {userId} groupId itemId itemStatus = do
+  ci <- liftEither . correctDir =<< getGroupChatItem db user groupId itemId
+  currentTs <- liftIO getCurrentTime
+  liftIO $ DB.execute db "UPDATE chat_items SET item_status = ?, updated_at = ? WHERE user_id = ? AND group_id = ? AND chat_item_id = ?" (itemStatus, currentTs, userId, groupId, itemId)
+  pure ci {meta = (meta ci) {itemStatus}}
+  where
+    correctDir :: CChatItem c -> Either StoreError (ChatItem c d)
+    correctDir (CChatItem _ ci) = first SEInternalError $ checkDirection ci
+
 updateGroupChatItem :: forall d. MsgDirectionI d => DB.Connection -> User -> Int64 -> ChatItem 'CTGroup d -> CIContent d -> Bool -> Maybe MessageId -> IO (ChatItem 'CTGroup d)
 updateGroupChatItem db user groupId ci newContent live msgId_ = do
  currentTs <- liftIO getCurrentTime
@@ -1434,6 +1451,11 @@ getGroupMemberCIBySharedMsgId db user@User {userId} groupId memberId sharedMsgId
        (GCUserMember, userId, groupId, memberId, sharedMsgId)
  getGroupChatItem db user groupId itemId

+getGroupChatItemByAgentMsgId :: DB.Connection -> User -> GroupId -> Int64 -> AgentMsgId -> IO (Maybe (CChatItem 'CTGroup))
+getGroupChatItemByAgentMsgId db user groupId connId msgId = do
+  itemId_ <- getChatItemIdByAgentMsgId db connId msgId
+  maybe (pure Nothing) (fmap eitherToMaybe . runExceptT . getGroupChatItem db user groupId) itemId_
+
 getGroupChatItem :: DB.Connection -> User -> Int64 -> ChatItemId -> ExceptT StoreError IO (CChatItem 'CTGroup)
 getGroupChatItem db User {userId, userContactId} groupId itemId = ExceptT $ do
  currentTs <- getCurrentTime
@@ -1847,3 +1869,58 @@ deleteCIModeration db GroupInfo {groupId} itemMemberId (Just sharedMsgId) =
    db
    "DELETE FROM chat_item_moderations WHERE group_id = ? AND item_member_id = ? AND shared_msg_id = ?"
    (groupId, itemMemberId, sharedMsgId)
+
+createGroupSndStatus :: DB.Connection -> ChatItemId -> GroupMemberId -> CIStatus 'MDSnd -> IO ()
+createGroupSndStatus db itemId memberId status =
+  DB.execute
+    db
+    "INSERT INTO group_snd_item_statuses (chat_item_id, group_member_id, group_snd_item_status) VALUES (?,?,?)"
+    (itemId, memberId, status)
+
+getGroupSndStatus :: DB.Connection -> ChatItemId -> GroupMemberId -> ExceptT StoreError IO (CIStatus 'MDSnd)
+getGroupSndStatus db itemId memberId =
+  ExceptT . firstRow fromOnly (SENoGroupSndStatus itemId memberId) $
+    DB.query
+      db
+      [sql|
+        SELECT group_snd_item_status
+        FROM group_snd_item_statuses
+        WHERE chat_item_id = ? AND group_member_id = ?
+        LIMIT 1
+      |]
+      (itemId, memberId)
+
+updateGroupSndStatus :: DB.Connection -> ChatItemId -> GroupMemberId -> CIStatus 'MDSnd -> IO ()
+updateGroupSndStatus db itemId memberId status = do
+  currentTs <- liftIO getCurrentTime
+  DB.execute
+    db
+    [sql|
+      UPDATE group_snd_item_statuses
+      SET group_snd_item_status = ?, updated_at = ?
+      WHERE chat_item_id = ? AND group_member_id  = ?
+    |]
+    (status, currentTs, itemId, memberId)
+
+getGroupSndStatuses :: DB.Connection -> ChatItemId -> IO [(GroupMemberId, CIStatus 'MDSnd)]
+getGroupSndStatuses db itemId =
+  DB.query
+    db
+    [sql|
+      SELECT group_member_id, group_snd_item_status
+      FROM group_snd_item_statuses
+      WHERE chat_item_id = ?
+    |]
+    (Only itemId)
+
+getGroupSndStatusCounts :: DB.Connection -> ChatItemId -> IO [(CIStatus 'MDSnd, Int)]
+getGroupSndStatusCounts db itemId =
+  DB.query
+    db
+    [sql|
+      SELECT group_snd_item_status, COUNT(1)
+      FROM group_snd_item_statuses
+      WHERE chat_item_id = ?
+      GROUP BY group_snd_item_status
+    |]
+    (Only itemId)
@@ -74,6 +74,7 @@ import Simplex.Chat.Migrations.M20230608_deleted_contacts
 import Simplex.Chat.Migrations.M20230618_favorite_chats
 import Simplex.Chat.Migrations.M20230621_chat_item_moderations
 import Simplex.Chat.Migrations.M20230705_delivery_receipts
+import Simplex.Chat.Migrations.M20230721_group_snd_item_statuses
 import Simplex.Messaging.Agent.Store.SQLite.Migrations (Migration (..))

 schemaMigrations :: [(String, Query, Maybe Query)]
@@ -147,7 +148,8 @@ schemaMigrations =
    ("20230608_deleted_contacts", m20230608_deleted_contacts, Just down_m20230608_deleted_contacts),
    ("20230618_favorite_chats", m20230618_favorite_chats, Just down_m20230618_favorite_chats),
    ("20230621_chat_item_moderations", m20230621_chat_item_moderations, Just down_m20230621_chat_item_moderations),
-    ("20230705_delivery_receipts", m20230705_delivery_receipts, Just down_m20230705_delivery_receipts)
+    ("20230705_delivery_receipts", m20230705_delivery_receipts, Just down_m20230705_delivery_receipts),
+    ("20230721_group_snd_item_statuses", m20230721_group_snd_item_statuses, Just down_m20230721_group_snd_item_statuses)
  ]

 -- | The list of migrations in ascending order by date
@@ -30,6 +30,7 @@ module Simplex.Chat.Store.Profiles
    updateUserPrivacy,
    updateAllContactReceipts,
    updateUserContactReceipts,
+    updateUserGroupReceipts,
    updateUserProfile,
    setUserProfileContactLink,
    getUserContactProfiles,
@@ -92,7 +93,7 @@ createUserRecordAt db (AgentUserId auId) Profile {displayName, fullName, image,
    when activeUser $ DB.execute_ db "UPDATE users SET active_user = 0"
    let showNtfs = True
        sendRcptsContacts = True
-        sendRcptsSmallGroups = False
+        sendRcptsSmallGroups = True
    DB.execute
      db
      "INSERT INTO users (agent_user_id, local_display_name, active_user, contact_id, show_ntfs, send_rcpts_contacts, send_rcpts_small_groups, created_at, updated_at) VALUES (?,?,?,0,?,?,?,?,?)"
@@ -222,13 +223,21 @@ updateUserPrivacy db User {userId, showNtfs, viewPwdHash} =

 updateAllContactReceipts :: DB.Connection -> Bool -> IO ()
 updateAllContactReceipts db onOff =
-  DB.execute db "UPDATE users SET send_rcpts_contacts = ? WHERE view_pwd_hash IS NULL" (Only onOff)
+  DB.execute
+    db
+    "UPDATE users SET send_rcpts_contacts = ?, send_rcpts_small_groups = ? WHERE view_pwd_hash IS NULL"
+    (onOff, onOff)

 updateUserContactReceipts :: DB.Connection -> User -> UserMsgReceiptSettings -> IO ()
 updateUserContactReceipts db User {userId} UserMsgReceiptSettings {enable, clearOverrides} = do
  DB.execute db "UPDATE users SET send_rcpts_contacts = ? WHERE user_id = ?" (enable, userId)
  when clearOverrides $ DB.execute_ db "UPDATE contacts SET send_rcpts = NULL"

+updateUserGroupReceipts :: DB.Connection -> User -> UserMsgReceiptSettings -> IO ()
+updateUserGroupReceipts db User {userId} UserMsgReceiptSettings {enable, clearOverrides} = do
+  DB.execute db "UPDATE users SET send_rcpts_small_groups = ? WHERE user_id = ?" (enable, userId)
+  when clearOverrides $ DB.execute_ db "UPDATE groups SET send_rcpts = NULL"
+
 updateUserProfile :: DB.Connection -> User -> Profile -> ExceptT StoreError IO User
 updateUserProfile db user p'
  | displayName == newName = do
@@ -92,6 +92,7 @@ data StoreError
  | SEGroupLinkNotFound {groupInfo :: GroupInfo}
  | SEHostMemberIdNotFound {groupId :: Int64}
  | SEContactNotFoundByFileId {fileId :: FileTransferId}
+  | SENoGroupSndStatus {itemId :: ChatItemId, groupMemberId :: GroupMemberId}
  deriving (Show, Exception, Generic)

 instance ToJSON StoreError where
@@ -782,7 +782,10 @@ memberActive m = case memberStatus m of
  GSMemCreator -> True

 memberCurrent :: GroupMember -> Bool
-memberCurrent m = case memberStatus m of
+memberCurrent = memberCurrent' . memberStatus
+
+memberCurrent' :: GroupMemberStatus -> Bool
+memberCurrent' = \case
  GSMemRemoved -> False
  GSMemLeft -> False
  GSMemGroupDeleted -> False
@@ -465,12 +465,21 @@ localTs tz ts = do
 viewChatItemStatusUpdated :: AChatItem -> CurrentTime -> TimeZone -> Bool -> Bool -> [StyledString]
 viewChatItemStatusUpdated (AChatItem _ _ chat item@ChatItem {meta = CIMeta {itemStatus}}) ts tz testView showReceipts =
  case itemStatus of
-    CISSndRcvd rcptStatus ->
+    CISSndRcvd rcptStatus SSPPartial ->
+      if testView && showReceipts
+        then prependFirst (viewDeliveryReceiptPartial rcptStatus <> " ") $ viewChatItem chat item False ts tz
+        else []
+    CISSndRcvd rcptStatus SSPComplete ->
      if testView && showReceipts
        then prependFirst (viewDeliveryReceipt rcptStatus <> " ") $ viewChatItem chat item False ts tz
        else []
    _ -> []

+viewDeliveryReceiptPartial :: MsgReceiptStatus -> StyledString
+viewDeliveryReceiptPartial = \case
+  MROk -> "%"
+  MRBadMsgHash -> ttyError' "%!"
+
 viewDeliveryReceipt :: MsgReceiptStatus -> StyledString
 viewDeliveryReceipt = \case
  MROk -> "⩗"