-response :: forall m a. (MonadIO m, MonadSessionConfig m, FromJSON a) => ConduitParser FromServerMessage m (ResponseMessage a)
-response = do
- let parser = decode . encodeMsg :: FromServerMessage -> Maybe (ResponseMessage a)
- x <- satisfy (isJust . parser)
- return $ decodeMsg $ encodeMsg x
+mEq :: SServerMethod m1 -> SServerMethod m2 -> Maybe (m1 :~~: m2)
+mEq m1 m2 = case (splitServerMethod m1, splitServerMethod m2) of
+ (IsServerNot, IsServerNot) -> do
+ Refl <- geq m1 m2
+ pure HRefl
+ (IsServerReq, IsServerReq) -> do
+ Refl <- geq m1 m2
+ pure HRefl
+ _ -> Nothing
+
+message :: SServerMethod m -> Session (ServerMessage m)
+message m1 = named (T.pack $ show m1) $ satisfyMaybe $ \case
+ FromServerMess m2 msg -> do
+ HRefl <- mEq m1 m2
+ pure msg
+ _ -> Nothing
+
+-- | Matches if the message is a notification.
+anyNotification :: Session FromServerMessage
+anyNotification = named "Any notification" $ satisfy $ \case
+ FromServerMess m _ -> case splitServerMethod m of
+ IsServerNot -> True
+ _ -> False
+ FromServerRsp _ _ -> False
+
+-- | Matches if the message is a request.
+anyRequest :: Session FromServerMessage
+anyRequest = named "Any request" $ satisfy $ \case
+ FromServerMess m _ -> case splitServerMethod m of
+ IsServerReq -> True
+ _ -> False
+ FromServerRsp _ _ -> False
+
+-- | Matches if the message is a response.
+anyResponse :: Session FromServerMessage
+anyResponse = named "Any response" $ satisfy $ \case
+ FromServerMess _ _ -> False
+ FromServerRsp _ _ -> True