small fixes

src/handlers/ws_handler.erl

@@ -38,7 +38,10 @@ websocket_handle({text, Msg}, State) ->
   try jsx:decode(Msg, [return_maps]) of
     #{<<"action">> := <<"subscribe">>, <<"calendar_id">> := CalendarId} ->
       io:format("Subscribe to calendar: ~s~n", [CalendarId]),
-      NewSubs = [CalendarId | State#state.subscriptions],
+      NewSubs = case lists:member(CalendarId, State#state.subscriptions) of
+        true -> State#state.subscriptions;
+        false -> [CalendarId | State#state.subscriptions]
+      end,
       Reply = jsx:encode(#{status => <<"subscribed">>, calendar_id => CalendarId}),
       io:format("Sending reply: ~s~n", [Reply]),
       {reply, {text, Reply}, State#state{subscriptions = NewSubs}};

src/logic/logic_calendar.erl

@@ -19,16 +19,17 @@ create_calendar(UserId, Title, Description, Confirmation, Type) ->
     {ok, User} ->
       case User#user.status of
         active ->
-          % Проверяем подписку для commercial календарей
           case Type of
             commercial ->
               case logic_subscription:can_create_commercial_calendar(UserId) of
-                true -> ok;
-                false -> {error, subscription_required}
-              end;
-            personal -> ok
-          end,
+                true ->
                   core_calendar:create(UserId, Title, Description, Confirmation, Type);
+                false ->
+                  {error, subscription_required}
+              end;
+            personal ->
+              core_calendar:create(UserId, Title, Description, Confirmation, Type)
+          end;
         _ ->
           {error, user_inactive}
       end;