(회원) 선호 카테고리 추가 기능 구현

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

@@ -2,6 +2,7 @@
 
 import com.votogether.domain.category.dto.response.CategoryResponse;
 import com.votogether.domain.category.service.CategoryService;
+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.tags.Tag;
@@ -10,6 +11,8 @@
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
@@ -29,4 +32,12 @@ public ResponseEntity<List<CategoryResponse>> 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")
+ @PostMapping("/{categoryId}/like")
+ public ResponseEntity<Void> addFavoriteCategory(final Member member, @PathVariable final Long categoryId) {
+ categoryService.addFavoriteCategory(member, categoryId);
+ return ResponseEntity.status(HttpStatus.CREATED).build();
+ }
+
 }

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

@@ -3,6 +3,9 @@
 import com.votogether.domain.category.dto.response.CategoryResponse;
 import com.votogether.domain.category.entity.Category;
 import com.votogether.domain.category.repository.CategoryRepository;
+import com.votogether.domain.member.entity.Member;
+import com.votogether.domain.member.entity.MemberCategory;
+import com.votogether.domain.member.repository.MemberCategoryRepository;
 import java.util.List;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
@@ -13,6 +16,7 @@
 public class CategoryService {
 
  private final CategoryRepository categoryRepository;
+ private final MemberCategoryRepository memberCategoryRepository;
 
  @Transactional(readOnly = true)
  public List<CategoryResponse> getAllCategories() {
@@ -23,4 +27,20 @@ public List<CategoryResponse> getAllCategories() {
  .toList();
  }
 
+ @Transactional
+ public void addFavoriteCategory(final Member member, final Long categoryId) {
+ 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()
+ .member(member)
+ .category(category)
+ .build();
+
+ memberCategoryRepository.save(memberCategory);
+ }
+
 }

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

@@ -0,0 +1,12 @@
+package com.votogether.domain.member.repository;
+
+import com.votogether.domain.category.entity.Category;
+import com.votogether.domain.member.entity.Member;
+import com.votogether.domain.member.entity.MemberCategory;
+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);
+
+}

backend/src/test/java/com/votogether/domain/category/repository/CategoryRepositoryTest.java

@@ -21,7 +21,7 @@ class CategoryRepositoryTest {
 
  @Nested
  @DisplayName("카테고리 저장")
- class save {
+ class Saving {
 
  @Test
  @DisplayName("카테고리를 저장한다.")
@@ -57,28 +57,49 @@ void saveButException() {
 
  }
 
- @Test
- @DisplayName("모든 카테고리를 조회한다.")
- void getAllCategories() {
- // given
- Category category1 = Category.builder()
- .name("개발")
- .build();
- Category category2 = Category.builder()
- .name("음식")
- .build();
-
- categoryRepository.save(category1);
- categoryRepository.save(category2);
-
- // when
- List<Category> categories = categoryRepository.findAll();
-
- // then
- assertAll(
- () -> assertThat(categories).hasSize(2),
- () -> assertThat(categories.get(0).getName()).isEqualTo("개발"),
- () -> assertThat(categories.get(1).getName()).isEqualTo("음식"));
+ @Nested
+ @DisplayName("카테고리 조회")
+ class Finding {
+
+ @Test
+ @DisplayName("모든 카테고리를 조회한다.")
+ void findAllCategories() {
+ // given
+ Category category1 = Category.builder()
+ .name("개발")
+ .build();
+ Category category2 = Category.builder()
+ .name("음식")
+ .build();
+
+ categoryRepository.save(category1);
+ categoryRepository.save(category2);
+
+ // when
+ List<Category> categories = categoryRepository.findAll();
+
+ // then
+ assertAll(
+ () -> assertThat(categories).hasSize(2),
+ () -> assertThat(categories.get(0).getName()).isEqualTo("개발"),
+ () -> assertThat(categories.get(1).getName()).isEqualTo("음식"));
+ }
+
+ @Test
+ @DisplayName("아이디를 통해 카테고리를 조회한다.")
+ void findById() {
+ // given
+ Category category = Category.builder()
+ .name("개발")
+ .build();
+ categoryRepository.save(category);
+
+ // when
+ Category findCategory = categoryRepository.findById(category.getId()).get();
+
+ // then
+ assertThat(findCategory).isSameAs(category);
+ }
  }
 
 }

backend/src/test/java/com/votogether/domain/member/repository/MemberCategoryRepositoryTest.java

@@ -0,0 +1,97 @@
+package com.votogether.domain.member.repository;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import com.votogether.domain.RepositoryTest;
+import com.votogether.domain.category.entity.Category;
+import com.votogether.domain.category.repository.CategoryRepository;
+import com.votogether.domain.member.entity.Gender;
+import com.votogether.domain.member.entity.Member;
+import com.votogether.domain.member.entity.MemberCategory;
+import com.votogether.domain.member.entity.SocialType;
+import java.time.LocalDateTime;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+
+@RepositoryTest
+class MemberCategoryRepositoryTest {
+
+ @Autowired
+ CategoryRepository categoryRepository;
+
+ @Autowired
+ MemberRepository memberRepository;
+
+ @Autowired
+ MemberCategoryRepository memberCategoryRepository;
+
+ @Test
+ @DisplayName("멤버가 선호하는 카테고리를 저장한다.")
+ void save() {
+ // given
+ Category category = Category.builder()
+ .name("개발")
+ .build();
+
+ Member member = Member.builder()
+ .gender(Gender.MALE)
+ .point(0)
+ .socialType(SocialType.GOOGLE)
+ .nickname("user1")
+ .socialId("kakao@gmail.com")
+ .birthDate(
+ LocalDateTime.of(1995, 07, 12, 00, 00))
+ .build();
+
+ categoryRepository.save(category);
+ memberRepository.save(member);
+
+ MemberCategory memberCategory = MemberCategory.builder()
+ .member(member)
+ .category(category)
+ .build();
+
+ // when
+ memberCategoryRepository.save(memberCategory);
+
+ // then
+ assertThat(memberCategory.getId()).isNotNull();
+ assertThat(memberCategory.getCategory().getName()).isEqualTo("개발");
+ }
+
+ @Test
+ @DisplayName("멤버와 카테고리를 통해 멤버 카테고리를 조회한다.")
+ void findByMemberAndCategory() {
+ // given
+ Category category = Category.builder()
+ .name("개발")
+ .build();
+
+ Member member = Member.builder()
+ .gender(Gender.MALE)
+ .point(0)
+ .socialType(SocialType.GOOGLE)
+ .nickname("user1")
+ .socialId("kakao@gmail.com")
+ .birthDate(
+ LocalDateTime.of(1995, 07, 12, 00, 00))
+ .build();
+
+ MemberCategory memberCategory = MemberCategory.builder()
+ .member(member)
+ .category(category)
+ .build();
+
+ categoryRepository.save(category);
+ memberRepository.save(member);
+ memberCategoryRepository.save(memberCategory);
+
+ // when
+ MemberCategory findMemberCategory = memberCategoryRepository.findByMemberAndCategory(member, category).get();
+
+ // then
+ assertThat(findMemberCategory).isSameAs(memberCategory);
+ }
+
+}