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module Erebos.Conversation (
Message,
messageFrom,
messageTime,
messageText,
messageUnread,
formatMessage,
Conversation,
directMessageConversation,
chatroomConversation,
chatroomConversationByStateData,
reloadConversation,
lookupConversations,
conversationName,
conversationPeer,
conversationHistory,
sendMessage,
) where
import Control.Monad.Except
import Data.List
import Data.Maybe
import Data.Text (Text)
import Data.Text qualified as T
import Data.Time.Format
import Data.Time.LocalTime
import Erebos.Chatroom
import Erebos.DirectMessage
import Erebos.Identity
import Erebos.State
import Erebos.Storable
data Message = DirectMessageMessage DirectMessage Bool
| ChatroomMessage ChatMessage Bool
messageFrom :: Message -> ComposedIdentity
messageFrom (DirectMessageMessage msg _) = msgFrom msg
messageFrom (ChatroomMessage msg _) = cmsgFrom msg
messageTime :: Message -> ZonedTime
messageTime (DirectMessageMessage msg _) = msgTime msg
messageTime (ChatroomMessage msg _) = cmsgTime msg
messageText :: Message -> Maybe Text
messageText (DirectMessageMessage msg _) = Just $ msgText msg
messageText (ChatroomMessage msg _) = cmsgText msg
messageUnread :: Message -> Bool
messageUnread (DirectMessageMessage _ unread) = unread
messageUnread (ChatroomMessage _ unread) = unread
formatMessage :: TimeZone -> Message -> String
formatMessage tzone msg = concat
[ formatTime defaultTimeLocale "[%H:%M] " $ utcToLocalTime tzone $ zonedTimeToUTC $ messageTime msg
, maybe "<unnamed>" T.unpack $ idName $ messageFrom msg
, maybe "" ((": "<>) . T.unpack) $ messageText msg
]
data Conversation = DirectMessageConversation DirectMessageThread
| ChatroomConversation ChatroomState
directMessageConversation :: MonadHead LocalState m => ComposedIdentity -> m Conversation
directMessageConversation peer = do
(find (sameIdentity peer . msgPeer) . toThreadList . lookupSharedValue . lsShared . fromStored <$> getLocalHead) >>= \case
Just thread -> return $ DirectMessageConversation thread
Nothing -> return $ DirectMessageConversation $ DirectMessageThread peer [] [] []
chatroomConversation :: MonadHead LocalState m => ChatroomState -> m (Maybe Conversation)
chatroomConversation rstate = chatroomConversationByStateData (head $ roomStateData rstate)
chatroomConversationByStateData :: MonadHead LocalState m => Stored ChatroomStateData -> m (Maybe Conversation)
chatroomConversationByStateData sdata = fmap ChatroomConversation <$> findChatroomByStateData sdata
reloadConversation :: MonadHead LocalState m => Conversation -> m Conversation
reloadConversation (DirectMessageConversation thread) = directMessageConversation (msgPeer thread)
reloadConversation cur@(ChatroomConversation rstate) =
fromMaybe cur <$> chatroomConversation rstate
lookupConversations :: MonadHead LocalState m => m [Conversation]
lookupConversations = map DirectMessageConversation . toThreadList . lookupSharedValue . lsShared . fromStored <$> getLocalHead
conversationName :: Conversation -> Text
conversationName (DirectMessageConversation thread) = fromMaybe (T.pack "<unnamed>") $ idName $ msgPeer thread
conversationName (ChatroomConversation rstate) = fromMaybe (T.pack "<unnamed>") $ roomName =<< roomStateRoom rstate
conversationPeer :: Conversation -> Maybe ComposedIdentity
conversationPeer (DirectMessageConversation thread) = Just $ msgPeer thread
conversationPeer (ChatroomConversation _) = Nothing
conversationHistory :: Conversation -> [Message]
conversationHistory (DirectMessageConversation thread) = map (\msg -> DirectMessageMessage msg False) $ threadToList thread
conversationHistory (ChatroomConversation rstate) = map (\msg -> ChatroomMessage msg False) $ roomStateMessages rstate
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
|