feat: implement delete review service method

api/src/core/services/review/review.service.ts

@@ -17,6 +17,7 @@ import { UserRepository } from '@src/core/ports/user.repository';
 import {
   CreateReviewDto,
   CreateReviewResponse,
+  DeleteReviewDto,
   GetReviewResponse,
   GetReviewsDto,
   GetReviewsResponse,
@@ -207,6 +208,39 @@ export class ReviewService {
     };
   };
 
+  public deleteReview = async (dto: DeleteReviewDto): Promise<null> => {
+    return await this.txManager.runInTransaction(
+      async (txClient: TransactionClient): Promise<null> => {
+        const reviewToDelete = await this.reviewRepository.findById(
+          dto.reviewId,
+          txClient
+        );
+        const userReviewing = await this.userRepository.findById(
+          reviewToDelete.userId,
+          txClient
+        );
+
+        if (
+          !dto.requesterIdToken.isAccessLevelAndUserIdAuthorized(
+            new AccessLevelEnum(AccessLevel.DEVELOPER),
+            userReviewing.id
+          )
+        ) {
+          throw new CustomError({
+            code: AppErrorCode.PERMISSIION_DENIED,
+            message: 'insufficient access level to delete review',
+            context: { dto, review: reviewToDelete, user: userReviewing }
+          });
+        }
+
+        await this.reviewRepository.deleteById(dto.reviewId, txClient);
+
+        return null;
+      },
+      IsolationLevel.READ_COMMITTED
+    );
+  };
+
   private extractUserIds = (entries: Review[] | Reply[]): string[] => {
     const userIds: string[] = [];
     entries.forEach((entry) => {

api/src/core/services/review/types.ts

@@ -65,3 +65,8 @@ export interface UpdateReviewDto {
   movieName: string;
   content: string;
 }
+
+export interface DeleteReviewDto {
+  requesterIdToken: AppIdToken;
+  reviewId: number;
+}

api/test/core/services/review/review.service.test.ts

@@ -13,6 +13,7 @@ import { UserRepository } from '@src/core/ports/user.repository';
 import { ReviewService } from '@src/core/services/review/review.service';
 import {
   CreateReviewDto,
+  DeleteReviewDto,
   GetReviewsDto,
   UpdateReviewDto
 } from '@src/core/services/review/types';
@@ -597,4 +598,127 @@ describe('Test review service', () => {
       expect(reviewRepository.update).toBeCalledTimes(0);
     });
   });
+
+  describe('Test delete review', () => {
+    const userId = 'randomId';
+    const nickname = 'randomNickname';
+    const tag = '#TAGG';
+    const idp = new IdpEnum(Idp.GOOGLE);
+    const email = '[email protected]';
+    const accessLevel = new AccessLevelEnum(AccessLevel.USER);
+    const requesterIdToken = new AppIdToken(
+      userId,
+      nickname,
+      tag,
+      idp,
+      email,
+      accessLevel
+    );
+    const reviewId = 0;
+    const title = 'randomTitle';
+    const movieName = 'randomMovie';
+    const content = 'randomContent';
+    const createdAt = new Date();
+
+    const userFound = new User(
+      userId,
+      nickname,
+      tag,
+      idp,
+      email,
+      accessLevel,
+      createdAt,
+      createdAt
+    );
+    const reviewFound = new Review(
+      reviewId,
+      userId,
+      title,
+      movieName,
+      content,
+      0,
+      createdAt,
+      createdAt
+    );
+
+    const userFindById = jest.fn(() => Promise.resolve(userFound)) as jest.Mock;
+    const reviewFindById = jest.fn(() =>
+      Promise.resolve(reviewFound)
+    ) as jest.Mock;
+    const reviewDeleteById = jest.fn(() => Promise.resolve()) as jest.Mock;
+
+    beforeAll(() => {
+      prismaMock.$transaction.mockImplementation((callback) =>
+        callback(prismaMock)
+      );
+      userRepository = new PostgresqlUserRepository(prismaMock);
+      reviewRepository = new PostgresqlReviewRepository(prismaMock);
+      replyRepository = new PostgresqlReplyRepository(prismaMock);
+      txManager = new PrismaTransactionManager(prismaMock);
+      userRepository.findById = userFindById;
+      reviewRepository.findById = reviewFindById;
+      reviewRepository.deleteById = reviewDeleteById;
+    });
+
+    it('should success when valid', async () => {
+      const givenDto: DeleteReviewDto = {
+        requesterIdToken,
+        reviewId
+      };
+      await new ReviewService(
+        userRepository,
+        reviewRepository,
+        replyRepository,
+        txManager
+      ).deleteReview(givenDto);
+
+      expect(reviewRepository.findById).toBeCalledTimes(1);
+      const reviewFindByIdArgs = reviewFindById.mock.calls[0][0];
+      expect(reviewFindByIdArgs).toEqual(givenDto.reviewId);
+
+      expect(userRepository.findById).toBeCalledTimes(1);
+      const userFindByIdArgs = userFindById.mock.calls[0][0];
+      expect(userFindByIdArgs).toEqual(reviewFound.userId);
+
+      expect(reviewRepository.deleteById).toBeCalledTimes(1);
+      const reviewDeleteByIdArgs = reviewDeleteById.mock.calls[0][0];
+      expect(reviewDeleteByIdArgs).toEqual(givenDto.reviewId);
+    });
+
+    it('should fail when access level and user authorization are invalid', async () => {
+      const givenRequesterIdToken = new AppIdToken(
+        'anotherRandomId',
+        'anotherNickname',
+        '#GGAT',
+        new IdpEnum(Idp.GOOGLE),
+        '[email protected]',
+        new AccessLevelEnum(AccessLevel.USER)
+      );
+      const givenDto: DeleteReviewDto = {
+        requesterIdToken: givenRequesterIdToken,
+        reviewId
+      };
+      try {
+        await new ReviewService(
+          userRepository,
+          reviewRepository,
+          replyRepository,
+          txManager
+        ).deleteReview(givenDto);
+      } catch (error: unknown) {
+        expect(error).toBeInstanceOf(CustomError);
+        expect(error).toHaveProperty('code', AppErrorCode.PERMISSIION_DENIED);
+      }
+
+      expect(reviewRepository.findById).toBeCalledTimes(1);
+      const reviewFindByIdArgs = reviewFindById.mock.calls[0][0];
+      expect(reviewFindByIdArgs).toEqual(givenDto.reviewId);
+
+      expect(userRepository.findById).toBeCalledTimes(1);
+      const userFindByIdArgs = userFindById.mock.calls[0][0];
+      expect(userFindByIdArgs).toEqual(reviewFound.userId);
+
+      expect(reviewRepository.deleteById).toBeCalledTimes(0);
+    });
+  });
 });