(회원) 선호 카테고리 삭제 기능 구현

backend/src/main/java/com/votogether/domain/category/contorller/CategoryController.java

@@ -5,11 +5,13 @@
 import com.votogether.domain.member.entity.Member;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.responses.ApiResponses;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import java.util.List;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
@@ -28,16 +30,38 @@ public class CategoryController {
  @ApiResponse(responseCode = "200", description = "조회 성공")
  @GetMapping("/guest")
  public ResponseEntity<List<CategoryResponse>> getAllCategories() {
- List<CategoryResponse> categories = categoryService.getAllCategories();
+ final List<CategoryResponse> categories = categoryService.getAllCategories();
  return ResponseEntity.status(HttpStatus.OK).body(categories);
  }
 
  @Operation(summary = "선호 카테고리 추가하기", description = "선호하는 카테고리를 선호 카테고리 목록에 추가한다.")
- @ApiResponse(responseCode = "201", description = "추가 성공")
+ @ApiResponses({
+ @ApiResponse(responseCode = "201", description = "추가 성공"),
+ @ApiResponse(responseCode = "400", description = "해당 카테고리가 추가가 되어 있어 중복 추가 실패"),
+ @ApiResponse(responseCode = "404", description = "해당 카테고리가 존재하지 않아 추가 실패"),
+ })
  @PostMapping("/{categoryId}/like")
  public ResponseEntity<Void> addFavoriteCategory(final Member member, @PathVariable final Long categoryId) {
  categoryService.addFavoriteCategory(member, categoryId);
  return ResponseEntity.status(HttpStatus.CREATED).build();
  }
 
+ @Operation(summary = "선호 카테고리 삭제하기", description = "선호하는 카테고리를 선호 카테고리 목록에서 삭제한다.")
+ @ApiResponses({
+ @ApiResponse(responseCode = "204", description = "삭제 성공"),
+ @ApiResponse(responseCode = "400", description = "선호하는 카테고리가 아니여서 삭제 실패"),
+ @ApiResponse(responseCode = "404", description = "해당 카테고리가 존재하지 않아 삭제 실패")
+ })
+ @DeleteMapping("/{categoryId}/like")
+ public ResponseEntity<Void> removeFavoriteCategory(final Member member, @PathVariable final Long categoryId) {
+ categoryService.removeFavoriteCategory(member, categoryId);
+ return ResponseEntity.status(HttpStatus.NO_CONTENT).build();
+ }
+
+ @GetMapping
+ public ResponseEntity<Void> getAllCategories(final Member member) {
+ categoryService.getAllCategories(member);
+ return ResponseEntity.status(HttpStatus.OK).build();
+ }
+
 }

backend/src/main/java/com/votogether/domain/category/dto/response/CategoryResponse.java

@@ -1,15 +1,20 @@
 package com.votogether.domain.category.dto.response;
 
 import com.votogether.domain.category.entity.Category;
+import java.util.List;
 
 public record CategoryResponse(
  Long id,
  String name,
  boolean isFavorite
 ) {
 
- public CategoryResponse(final Category category) {
- this(category.getId(), category.getName(), false);
+ public CategoryResponse(final Category category, final boolean isFavorite) {
+ this(category.getId(), category.getName(), isFavorite);
+ }
+
+ public CategoryResponse(final Category category, final List<Category> favoriteCategories) {
+ this(category.getId(), category.getName(), favoriteCategories.contains(category));
  }
 
 }

backend/src/main/java/com/votogether/domain/category/service/CategoryService.java

@@ -6,6 +6,7 @@
 import com.votogether.domain.member.entity.Member;
 import com.votogether.domain.member.entity.MemberCategory;
 import com.votogether.domain.member.repository.MemberCategoryRepository;
+import java.util.Comparator;
 import java.util.List;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
@@ -20,27 +21,53 @@ public class CategoryService {
 
  @Transactional(readOnly = true)
  public List<CategoryResponse> getAllCategories() {
- List<Category> categories = categoryRepository.findAll();
+ final List<Category> categories = categoryRepository.findAll();
 
  return categories.stream()
- .map(CategoryResponse::new)
+ .sorted(Comparator.comparing(Category::getName))
+ .map(category -> new CategoryResponse(category, false))
  .toList();
  }
 
  @Transactional
  public void addFavoriteCategory(final Member member, final Long categoryId) {
- Category category = categoryRepository.findById(categoryId)
+ final Category category = categoryRepository.findById(categoryId)
  .orElseThrow(() -> new IllegalArgumentException("해당 카테고리가 존재하지 않습니다."));
 
  memberCategoryRepository.findByMemberAndCategory(member, category)
  .ifPresent(ignore -> new IllegalStateException("이미 선호 카테고리에 등록되어 있습니다."));
 
- MemberCategory memberCategory = MemberCategory.builder()
+ final MemberCategory memberCategory = MemberCategory.builder()
  .member(member)
  .category(category)
  .build();
 
  memberCategoryRepository.save(memberCategory);
  }
 
+ @Transactional
+ public void removeFavoriteCategory(final Member member, final Long categoryId) {
+ final Category category = categoryRepository.findById(categoryId)
+ .orElseThrow(() -> new IllegalArgumentException("해당 카테고리가 존재하지 않습니다."));
+ final MemberCategory memberCategory = memberCategoryRepository.findByMemberAndCategory(member, category)
+ .orElseThrow(() -> new IllegalArgumentException("해당 카테고리는 선호 카테고리가 아닙니다."));
+
+ memberCategoryRepository.delete(memberCategory);
+ }
+
+ @Transactional(readOnly = true)
+ public List<CategoryResponse> getAllCategories(final Member member) {
+ final List<Category> categories = categoryRepository.findAll();
+ final List<MemberCategory> memberCategories = memberCategoryRepository.findByMember(member);
+
+ final List<Category> favoriteCategories = memberCategories.stream()
+ .map(MemberCategory::getCategory)
+ .toList();
+
+ return categories.stream()
+ .sorted(Comparator.comparing(Category::getName))
+ .map(category -> new CategoryResponse(category, favoriteCategories))
+ .toList();
+ }
+
 }

backend/src/main/java/com/votogether/domain/member/repository/MemberCategoryRepository.java

@@ -3,10 +3,14 @@
 import com.votogether.domain.category.entity.Category;
 import com.votogether.domain.member.entity.Member;
 import com.votogether.domain.member.entity.MemberCategory;
+import java.util.List;
 import java.util.Optional;
 import org.springframework.data.jpa.repository.JpaRepository;
 
 public interface MemberCategoryRepository extends JpaRepository<MemberCategory, Long> {
+
  Optional<MemberCategory> findByMemberAndCategory(final Member member, final Category category);
 
+ List<MemberCategory> findByMember(final Member member);
+
 }

backend/src/main/java/com/votogether/domain/vote/service/VoteService.java

@@ -27,20 +27,21 @@ public void vote(
  final Long postId,
  final Long postOptionId
  ) {
- Post post = postRepository.findById(postId)
+ final Post post = postRepository.findById(postId)
  .orElseThrow(() -> new IllegalArgumentException("해당 게시글이 존재하지 않습니다."));
 
  validateAlreadyVoted(member, post);
 
- PostOption postOption = postOptionRepository.findById(postOptionId)
+ final PostOption postOption = postOptionRepository.findById(postOptionId)
  .orElseThrow(() -> new IllegalArgumentException("해당 선택지가 존재하지 않습니다."));
 
- Vote vote = post.makeVote(member, postOption);
+ final Vote vote = post.makeVote(member, postOption);
  member.plusPoint(1);
  voteRepository.save(vote);
  }
 
- private void validateAlreadyVoted(Member member, Post post) {
+
+ private void validateAlreadyVoted(final Member member, final Post post) {
  final PostOptions postOptions = post.getPostOptions();
  final List<Vote> alreadyVoted = voteRepository.findByMemberAndPostOptionIn(member, postOptions.getPostOptions());
  if (!alreadyVoted.isEmpty()) {
@@ -54,20 +55,20 @@ public void changeVote(
  final Long originPostOptionId,
  final Long newPostOptionId
  ) {
- Post post = postRepository.findById(postId)
+ final Post post = postRepository.findById(postId)
  .orElseThrow(() -> new IllegalArgumentException("해당 게시글이 존재하지 않습니다."));
 
- PostOption originPostOption = postOptionRepository.findById(originPostOptionId)
+ final PostOption originPostOption = postOptionRepository.findById(originPostOptionId)
  .orElseThrow(() -> new IllegalArgumentException("헤당 선택지가 존재하지 않습니다."));
 
- Vote originVote = voteRepository.findByMemberAndPostOption(member, originPostOption)
+ final Vote originVote = voteRepository.findByMemberAndPostOption(member, originPostOption)
  .orElseThrow(() -> new IllegalArgumentException("선택지에 해당되는 투표가 존재하지 않습니다."));
 
- PostOption newPostOption = postOptionRepository.findById(newPostOptionId)
+ final PostOption newPostOption = postOptionRepository.findById(newPostOptionId)
  .orElseThrow(() -> new IllegalArgumentException("헤당 선택지가 존재하지 않습니다."));
 
  voteRepository.delete(originVote);
- Vote vote = post.makeVote(member, newPostOption);
+ final Vote vote = post.makeVote(member, newPostOption);
  voteRepository.save(vote);
  }
 

backend/src/test/java/com/votogether/domain/category/contorller/CategoryControllerTest.java

@@ -0,0 +1,80 @@
+package com.votogether.domain.category.contorller;
+
+import static org.hamcrest.Matchers.equalTo;
+import static org.hamcrest.Matchers.nullValue;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.doNothing;
+
+import com.votogether.domain.category.dto.response.CategoryResponse;
+import com.votogether.domain.category.entity.Category;
+import com.votogether.domain.category.service.CategoryService;
+import io.restassured.module.mockmvc.RestAssuredMockMvc;
+import java.util.List;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.http.HttpStatus;
+
+@WebMvcTest(CategoryController.class)
+class CategoryControllerTest {
+
+ @MockBean
+ CategoryService categoryService;
+
+ @BeforeEach
+ void setUp() {
+ RestAssuredMockMvc.standaloneSetup(new CategoryController(categoryService));
+ }
+
+ @Test
+ @DisplayName("전체 카테고리 목록을 조회한다.")
+ void getAllCategories() {
+ // given
+ Category category = Category.builder()
+ .name("개발")
+ .build();
+ given(categoryService.getAllCategories()).willReturn(List.of(new CategoryResponse(category, false)));
+
+ // when
+ RestAssuredMockMvc.
+ given().log().all()
+ .when().get("/categories/guest")
+ .then().log().all()
+ .status(HttpStatus.OK)
+ .body("[0].id", nullValue())
+ .body("[0].name", equalTo("개발"))
+ .body("[0].isFavorite", equalTo(false));
+ }
+
+ @Test
+ @DisplayName("선호하는 카테고리를 선호 카테고리 목록에 추가한다.")
+ void addFavoriteCategory() {
+ // given
+ doNothing().when(categoryService).addFavoriteCategory(any(), any());
+
+ // when & then
+ RestAssuredMockMvc.
+ given().log().all()
+ .when().post("/categories/{categoryId}/like", 1)
+ .then().log().all()
+ .status(HttpStatus.CREATED);
+ }
+
+ @Test
+ @DisplayName("선호 카테고리를 삭제한다.")
+ void removeFavoriteCategory() {
+ // given
+ doNothing().when(categoryService).removeFavoriteCategory(any(), any());
+
+ // when & then
+ RestAssuredMockMvc.
+ given().log().all()
+ .when().delete("/categories/{categoryId}/like", 1)
+ .then().log().all()
+ .status(HttpStatus.NO_CONTENT);
+ }
+
+}