diff options
Diffstat (limited to 'src/Erebos')
| -rw-r--r-- | src/Erebos/Chatroom.hs | 63 | ||||
| -rw-r--r-- | src/Erebos/Conversation.hs | 5 |
2 files changed, 43 insertions, 25 deletions
diff --git a/src/Erebos/Chatroom.hs b/src/Erebos/Chatroom.hs index 8833450..a616f07 100644 --- a/src/Erebos/Chatroom.hs +++ b/src/Erebos/Chatroom.hs @@ -6,6 +6,7 @@ module Erebos.Chatroom ( ChatroomState(..), ChatroomStateData(..), createChatroom, + deleteChatroomByStateData, updateChatroomByStateData, listChatrooms, findChatroomByRoomData, @@ -206,9 +207,8 @@ sendRawChatroomMessageByStateData lookupData mbIdentity mdReplyTo mdText mdLeave else [] mdata <- mstore =<< sign secret =<< mstore ChatMessageData {..} - mergeSorted . (:[]) <$> mstore ChatroomStateData + mergeSorted . (:[]) <$> mstore emptyChatroomStateData { rsdPrev = roomStateData cstate - , rsdRoom = [] , rsdSubscribe = Just (not mdLeave) , rsdIdentity = mbIdentity , rsdMessages = [ mdata ] @@ -218,15 +218,27 @@ sendRawChatroomMessageByStateData lookupData mbIdentity mdReplyTo mdText mdLeave data ChatroomStateData = ChatroomStateData { rsdPrev :: [Stored ChatroomStateData] , rsdRoom :: [Stored (Signed ChatroomData)] + , rsdDelete :: Bool , rsdSubscribe :: Maybe Bool , rsdIdentity :: Maybe UnifiedIdentity , rsdMessages :: [Stored (Signed ChatMessageData)] } +emptyChatroomStateData :: ChatroomStateData +emptyChatroomStateData = ChatroomStateData + { rsdPrev = [] + , rsdRoom = [] + , rsdDelete = False + , rsdSubscribe = Nothing + , rsdIdentity = Nothing + , rsdMessages = [] + } + data ChatroomState = ChatroomState { roomStateData :: [Stored ChatroomStateData] , roomStateRoom :: Maybe Chatroom , roomStateMessageData :: [Stored (Signed ChatMessageData)] + , roomStateDeleted :: Bool , roomStateSubscribe :: Bool , roomStateIdentity :: Maybe UnifiedIdentity , roomStateMessages :: [ChatMessage] @@ -236,6 +248,7 @@ instance Storable ChatroomStateData where store' ChatroomStateData {..} = storeRec $ do forM_ rsdPrev $ storeRef "PREV" forM_ rsdRoom $ storeRef "room" + when rsdDelete $ storeEmpty "delete" forM_ rsdSubscribe $ storeInt "subscribe" . bool @Int 0 1 forM_ rsdIdentity $ storeRef "id" . idExtData forM_ rsdMessages $ storeRef "msg" @@ -243,6 +256,7 @@ instance Storable ChatroomStateData where load' = loadRec $ do rsdPrev <- loadRefs "PREV" rsdRoom <- loadRefs "room" + rsdDelete <- isJust <$> loadMbEmpty "delete" rsdSubscribe <- fmap ((/=) @Int 0) <$> loadMbInt "subscribe" rsdIdentity <- loadMbUnifiedIdentity "id" rsdMessages <- loadRefs "msg" @@ -257,7 +271,8 @@ instance Mergeable ChatroomState where roomStateMessageData = filterAncestors $ concat $ flip findProperty roomStateData $ \case ChatroomStateData {..} | null rsdMessages -> Nothing | otherwise -> Just rsdMessages - roomStateSubscribe = fromMaybe False $ findPropertyFirst rsdSubscribe roomStateData + roomStateDeleted = any (rsdDelete . fromStored) roomStateData + roomStateSubscribe = not roomStateDeleted && (fromMaybe False $ findPropertyFirst rsdSubscribe roomStateData) roomStateIdentity = findPropertyFirst rsdIdentity roomStateData roomStateMessages = threadToListSince [] $ concatMap (rsdMessages . fromStored) roomStateData in ChatroomState {..} @@ -272,12 +287,9 @@ createChatroom rdName rdDescription = do (secret, rdKey) <- liftIO . generateKeys =<< getStorage let rdPrev = [] rdata <- mstore =<< sign secret =<< mstore ChatroomData {..} - cstate <- mergeSorted . (:[]) <$> mstore ChatroomStateData - { rsdPrev = [] - , rsdRoom = [ rdata ] + cstate <- mergeSorted . (:[]) <$> mstore emptyChatroomStateData + { rsdRoom = [ rdata ] , rsdSubscribe = Just True - , rsdIdentity = Nothing - , rsdMessages = [] } updateLocalHead $ updateSharedState $ \rooms -> do @@ -303,6 +315,17 @@ findAndUpdateChatroomState f = do return (roomSet, Just upd) [] -> return (roomSet, Nothing) +deleteChatroomByStateData + :: (MonadStorage m, MonadHead LocalState m, MonadError String m) + => Stored ChatroomStateData -> m () +deleteChatroomByStateData lookupData = void $ findAndUpdateChatroomState $ \cstate -> do + guard $ any (lookupData `precedesOrEquals`) $ roomStateData cstate + Just $ do + mergeSorted . (:[]) <$> mstore emptyChatroomStateData + { rsdPrev = roomStateData cstate + , rsdDelete = True + } + updateChatroomByStateData :: (MonadStorage m, MonadHead LocalState m, MonadError String m) => Stored ChatroomStateData @@ -320,17 +343,16 @@ updateChatroomByStateData lookupData newName newDesc = findAndUpdateChatroomStat , rdDescription = newDesc , rdKey = roomKey room } - mergeSorted . (:[]) <$> mstore ChatroomStateData + mergeSorted . (:[]) <$> mstore emptyChatroomStateData { rsdPrev = roomStateData cstate , rsdRoom = [ rdata ] , rsdSubscribe = Just True - , rsdIdentity = Nothing - , rsdMessages = [] } listChatrooms :: MonadHead LocalState m => m [ChatroomState] -listChatrooms = fromSetBy (comparing $ roomName <=< roomStateRoom) . +listChatrooms = filter (not . roomStateDeleted) . + fromSetBy (comparing $ roomName <=< roomStateRoom) . lookupSharedValue . lsShared . fromStored <$> getLocalHead findChatroom :: MonadHead LocalState m => (ChatroomState -> Bool) -> m (Maybe ChatroomState) @@ -351,12 +373,9 @@ chatroomSetSubscribe chatroomSetSubscribe lookupData subscribe = void $ findAndUpdateChatroomState $ \cstate -> do guard $ any (lookupData `precedesOrEquals`) $ roomStateData cstate Just $ do - mergeSorted . (:[]) <$> mstore ChatroomStateData + mergeSorted . (:[]) <$> mstore emptyChatroomStateData { rsdPrev = roomStateData cstate - , rsdRoom = [] , rsdSubscribe = Just subscribe - , rsdIdentity = Nothing - , rsdMessages = [] } chatroomMembers :: ChatroomState -> [ ComposedIdentity ] @@ -419,7 +438,7 @@ watchChatrooms h f = liftIO $ do return $ makeChatroomDiff lastList curList chatroomSetToList :: Set ChatroomState -> [(Stored ChatroomStateData, ChatroomState)] -chatroomSetToList = map (cmp &&& id) . fromSetBy (comparing cmp) +chatroomSetToList = map (cmp &&& id) . filter (not . roomStateDeleted) . fromSetBy (comparing cmp) where cmp :: ChatroomState -> Stored ChatroomStateData cmp = head . filterAncestors . concatMap storedRoots . toComponents @@ -517,12 +536,9 @@ instance Service ChatroomService where -- update local state only if we got roomInfo not present there if roomInfo `notElem` prevRoom && roomInfo `elem` room then do - sdata <- mstore ChatroomStateData + sdata <- mstore emptyChatroomStateData { rsdPrev = prev , rsdRoom = room - , rsdSubscribe = Nothing - , rsdIdentity = Nothing - , rsdMessages = [] } storeSetAddComponent sdata set else return set @@ -562,11 +578,8 @@ instance Service ChatroomService where -- update local state only if subscribed and we got some new messages if roomStateSubscribe prev && messages /= prevMessages then do - sdata <- mstore ChatroomStateData + sdata <- mstore emptyChatroomStateData { rsdPrev = prevData - , rsdRoom = [] - , rsdSubscribe = Nothing - , rsdIdentity = Nothing , rsdMessages = messages } storeSetAddComponent sdata set diff --git a/src/Erebos/Conversation.hs b/src/Erebos/Conversation.hs index 63475bd..f0ffa70 100644 --- a/src/Erebos/Conversation.hs +++ b/src/Erebos/Conversation.hs @@ -18,6 +18,7 @@ module Erebos.Conversation ( conversationHistory, sendMessage, + deleteConversation, ) where import Control.Monad.Except @@ -103,3 +104,7 @@ conversationHistory (ChatroomConversation rstate) = map (\msg -> ChatroomMessage sendMessage :: (MonadHead LocalState m, MonadError String m) => Conversation -> Text -> m (Maybe Message) sendMessage (DirectMessageConversation thread) text = fmap Just $ DirectMessageMessage <$> (fromStored <$> sendDirectMessage (msgPeer thread) text) <*> pure False sendMessage (ChatroomConversation rstate) text = sendChatroomMessage rstate text >> return Nothing + +deleteConversation :: (MonadHead LocalState m, MonadError String m) => Conversation -> m () +deleteConversation (DirectMessageConversation _) = throwError "deleting direct message conversation is not supported" +deleteConversation (ChatroomConversation rstate) = deleteChatroomByStateData (head $ roomStateData rstate) |