добавлен метод копирования бара

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

@@ -92,6 +92,19 @@ public class BarService {
         return BarResponseDto.mapToDto(bar);
     }
 
+    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);
+    }
+
     private List<CocktailEntity> findAllowedCocktails(List<IngredientEntity> ingredients) {
         List<CocktailEntity> result = new ArrayList<>();
         for (IngredientEntity ingredient : ingredients) {