Change to use already present mapper method

application/module-language-school/src/main/java/org/fuseri/modulelanguageschool/user/UserFacade.java

@@ -13,7 +13,6 @@ import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
 import java.util.List;
-import java.util.stream.Collectors;
 
 @Service
 @Transactional
@@ -68,11 +67,11 @@ public class UserFacade {
     }
 
     public List<CourseDto> getEnrolled(Long id) {
-        return service.getEnrolled(id).stream().map(courseMapper::mapToDto).collect(Collectors.toList());
+        return courseMapper.mapToList(service.getEnrolled(id));
     }
 
     public List<CourseDto> getFinished(Long id) {
-        return service.getFinished(id).stream().map(courseMapper::mapToDto).collect(Collectors.toList());
+        return courseMapper.mapToList(service.getFinished(id));
     }
 
 }