правка метода копирования бара

src/main/java/ru/kayashov/bar/service/BarService.java

@@ -92,17 +92,24 @@ public class BarService {
         return BarResponseDto.mapToDto(bar);
     }
 
+    @Transactional
     public BarResponseDto copyBar(Long id, String name) {
         BarEntity barEntity = barEntityRepository.findById(id).orElseThrow();
-        Long oldId = barEntity.getId();
-        String oldName = barEntity.getName();
-        barEntity.setName(name);
-        barEntity.setActive(false);
-        barEntity.setId(null);
-        BarEntity newBar = barEntityRepository.save(barEntity);
-        log.info("Бар {} - {} скопирован как {} - {}", oldId, oldName, newBar.getId(), name);
 
-        return BarResponseDto.mapToDto(newBar);
+        BarEntity entity = new BarEntity();
+        entity.setName(name);
+        entity.setActive(false);
+        entity.setIngredients(new ArrayList<>());
+        barEntityRepository.save(entity);
+        List<IngredientEntity> ingredients = barEntity.getIngredients()
+                .stream()
+                .peek(i -> i.getBars().add(entity))
+                .toList();
+        entity.setIngredients(ingredients);
+        ingredientRepository.saveAll(ingredients);
+        log.info("Бар {} - {}, скопирован как {} - {}", barEntity.getId(), barEntity.getName(), entity.getId(), name);
+
+        return BarResponseDto.mapToDto(entity);
     }
 
     private List<CocktailEntity> findAllowedCocktails(List<IngredientEntity> ingredients) {