#69 changed isCurrentUserParticipant

src/main/java/ru/ulstu/conference/service/ConferenceService.java

@@ -134,11 +134,6 @@ public class ConferenceService {
 
 
     public boolean isCurrentUserParticipant(List<ConferenceUser> conferenceUsers) {
-        for (ConferenceUser participant : conferenceUsers) {
+        return conferenceUsers.stream().anyMatch(participant -> participant.getUser().equals(userService.getCurrentUser()));
-            if (participant.getUser().getId() == userService.getCurrentUser().getId()) {
-                return true;
-            }
-        }
-        return false;
     }
 }