Make review creation more clear

src/main/java/ru/nsu/fit/directors/userservice/dto/request/ReviewCreationDto.java

@@ -1,5 +1,6 @@
 package ru.nsu.fit.directors.userservice.dto.request;
 
+import jakarta.annotation.Nonnull;
 import jakarta.validation.constraints.NotNull;
 
 public record ReviewCreationDto(
@@ -12,4 +13,8 @@ public record ReviewCreationDto(
     @NotNull(message = "Оценка не может быть не задана.")
     Integer score
 ) {
+    @Nonnull
+    public ReviewCreationDto withUsername(String newUsername) {
+        return new ReviewCreationDto(newUsername, establishmentId, text, score);
+    }
 }

src/main/java/ru/nsu/fit/directors/userservice/exception/EnumNotFoundException.java

@@ -0,0 +1,7 @@
+package ru.nsu.fit.directors.userservice.exception;
+
+public class EnumNotFoundException extends BaseException {
+    public <E> EnumNotFoundException(Class<E> enumClass, String name) {
+        super("Отсутствует константа %s с названием %s".formatted(enumClass.getSimpleName(), name), "NO_CONSTANT");
+    }
+}

src/main/java/ru/nsu/fit/directors/userservice/facade/ReviewFacadeImpl.java

@@ -9,6 +9,7 @@
 import org.springframework.stereotype.Service;
 import ru.nsu.fit.directors.userservice.dto.request.ReviewCreationDto;
 import ru.nsu.fit.directors.userservice.dto.response.ResponseReviewDto;
+import ru.nsu.fit.directors.userservice.model.User;
 import ru.nsu.fit.directors.userservice.model.UserReview;
 import ru.nsu.fit.directors.userservice.service.EstablishmentService;
 import ru.nsu.fit.directors.userservice.service.ReviewService;
@@ -24,8 +25,9 @@ public class ReviewFacadeImpl implements ReviewFacade {
 
     @Override
     public void createReview(ReviewCreationDto reviewCreationDto) {
-        Long externalId = establishmentService.createReview(reviewCreationDto);
-        reviewService.save(new UserReview().setUser(securityService.getLoggedInUser()).setExternalId(externalId));
+        User user = securityService.getLoggedInUser();
+        Long externalId = establishmentService.createReview(reviewCreationDto.withUsername(user.getUsername()));
+        reviewService.save(new UserReview().setUser(user).setExternalId(externalId));
     }
 
     @Nonnull

src/main/java/ru/nsu/fit/directors/userservice/service/EstablishmentServiceImpl.java

@@ -9,6 +9,8 @@
 import ru.nsu.fit.directors.userservice.dto.response.BaseResponse;
 import ru.nsu.fit.directors.userservice.dto.response.EstablishmentListDto;
 import ru.nsu.fit.directors.userservice.dto.response.ResponseReviewDto;
+import ru.nsu.fit.directors.userservice.enums.EntityType;
+import ru.nsu.fit.directors.userservice.exception.EntityNotFoundException;
 
 import javax.annotation.Nonnull;
 import javax.annotation.ParametersAreNonnullByDefault;
@@ -61,6 +63,8 @@ public List<ResponseReviewDto> getReviewsByExternalIds(List<Long> externalIds) {
     @Nonnull
     @Override
     public Long createReview(ReviewCreationDto reviewCreationDto) {
-        return establishmentClient.createReview(reviewCreationDto).getBody().getResult();
+        return Optional.ofNullable(establishmentClient.createReview(reviewCreationDto).getBody())
+            .map(BaseResponse::getResult)
+            .orElseThrow(() -> new EntityNotFoundException(EntityType.COMPANY, reviewCreationDto.establishmentId()));
     }
 }

src/main/java/ru/nsu/fit/directors/userservice/utils/EnumUtils.java

@@ -0,0 +1,19 @@
+package ru.nsu.fit.directors.userservice.utils;
+
+import java.util.Arrays;
+
+import javax.annotation.Nonnull;
+
+import lombok.experimental.UtilityClass;
+import ru.nsu.fit.directors.userservice.exception.EnumNotFoundException;
+
+@UtilityClass
+public class EnumUtils {
+    @Nonnull
+    public <E extends Enum<E>> E findEnum(String name, Class<E> enumClass) {
+        return Arrays.stream(enumClass.getEnumConstants())
+            .filter(parseableEnum -> parseableEnum.name().equalsIgnoreCase(name))
+            .findFirst()
+            .orElseThrow(() -> new EnumNotFoundException(enumClass, name));
+    }
+}