GETP-177 feat: 지원한 프로젝트 목록 조회 기능 구현 (#117)

* GETP-177 feat: 내 프로젝트 지원 목록 기능 구현

* GETP-177 test: 내 프로젝트 지원 목록 기능 테스트 작성

* GETP-177 fix: 순환 의존성 해결 및 엔드포인트 수정

* GETP-177 test: 순환 의존성 해결 및 엔드 포인트 수정 후 테스트 작성

---------

Co-authored-by: 신찬규(Shin Changyu) <[email protected]>
Co-authored-by: Changyu Shin <[email protected]>

src/main/java/es/princip/getp/domain/project/query/dao/AppliedProjectDao.java

@@ -0,0 +1,11 @@
+package es.princip.getp.domain.project.query.dao;
+
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+
+import es.princip.getp.domain.project.query.dto.AppliedProjectCardResponse;
+
+public interface AppliedProjectDao {
+
+    Page<AppliedProjectCardResponse> findPagedMyAppliedProjects(Pageable pageable, Long memberId);
+}

src/main/java/es/princip/getp/domain/project/query/dao/AppliedProjectQueryDslDao.java

@@ -0,0 +1,75 @@
+package es.princip.getp.domain.project.query.dao;
+
+import com.querydsl.jpa.impl.JPAQuery;
+import es.princip.getp.domain.project.command.domain.Project;
+import es.princip.getp.domain.project.query.dto.AppliedProjectCardResponse;
+import es.princip.getp.infra.support.QueryDslSupport;
+import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+import java.util.Map;
+
+import static es.princip.getp.domain.people.command.domain.QPeople.people;
+import static es.princip.getp.domain.project.command.domain.QProject.project;
+import static es.princip.getp.domain.project.command.domain.QProjectApplication.projectApplication;
+import static es.princip.getp.domain.project.query.dao.ProjectDaoUtil.toProjectIds;
+
+@Repository
+@RequiredArgsConstructor
+public class AppliedProjectQueryDslDao extends QueryDslSupport implements AppliedProjectDao{
+
+    private final ProjectApplicationDao projectApplicationDao;
+
+    @Override
+    public Page<AppliedProjectCardResponse> findPagedMyAppliedProjects(
+        final Pageable pageable,
+        final Long memberId
+    ) {
+        final List<Project> projects = getAppliedProjects(pageable, memberId);
+        final Long[] projectIds = toProjectIds(projects);
+        final Map<Long, Long> projectApplicationCounts = projectApplicationDao.countByProjectIds(projectIds);
+        final List<AppliedProjectCardResponse> content = assembleAppliedProjectCardResponse(projects, projectApplicationCounts);
+
+        return applyPagination(
+            pageable,
+            content,
+            countQuery -> getAppliedProjectsCountQuery(memberId)
+        );
+    }
+
+    private List<Project> getAppliedProjects(
+        final Pageable pageable,
+        final Long memberId
+    ) {
+        return queryFactory.selectFrom(project)
+            .join(projectApplication).on(projectApplication.projectId.eq(project.projectId))
+            .join(people).on(people.peopleId.eq(projectApplication.applicantId))
+            .where(people.memberId.eq(memberId))
+            .offset(pageable.getOffset())
+            .limit(pageable.getPageSize())
+            .fetch();
+    }
+
+    private JPAQuery<Long> getAppliedProjectsCountQuery(final Long memberId) {
+        return queryFactory.select(project.count())
+            .from(project)
+            .join(projectApplication).on(projectApplication.projectId.eq(project.projectId))
+            .join(people).on(people.peopleId.eq(projectApplication.applicantId))
+            .where(people.memberId.eq(memberId));
+    }
+
+    private List<AppliedProjectCardResponse> assembleAppliedProjectCardResponse(
+        final List<Project> projects,
+        final Map<Long, Long> projectApplicationCounts
+    ) {
+        return projects.stream()
+            .map(project -> AppliedProjectCardResponse.of(
+                project,
+                projectApplicationCounts.get(project.getProjectId())
+            ))
+            .toList();
+    }
+}

src/main/java/es/princip/getp/domain/project/query/dao/ProjectApplicationQueryDslDao.java

@@ -1,6 +1,8 @@
 package es.princip.getp.domain.project.query.dao;
 
 import es.princip.getp.infra.support.QueryDslSupport;
+import lombok.RequiredArgsConstructor;
+
 import org.springframework.stereotype.Repository;
 
 import java.util.Map;
@@ -10,6 +12,7 @@
 import static es.princip.getp.domain.project.command.domain.QProjectApplication.projectApplication;
 
 @Repository
+@RequiredArgsConstructor
 public class ProjectApplicationQueryDslDao extends QueryDslSupport implements ProjectApplicationDao {
 
     @Override

src/main/java/es/princip/getp/domain/project/query/dto/AppliedProjectCardResponse.java

@@ -0,0 +1,33 @@
+package es.princip.getp.domain.project.query.dto;
+
+import es.princip.getp.domain.common.domain.Duration;
+import es.princip.getp.domain.common.dto.HashtagsResponse;
+import es.princip.getp.domain.project.command.domain.Project;
+import es.princip.getp.domain.project.command.domain.ProjectStatus;
+
+public record AppliedProjectCardResponse(
+    Long projectId,
+    String title,
+    Long payment,
+    Long applicantsCount,
+    Long estimatedDays,
+    Duration applicationDuration,
+    HashtagsResponse hashtags,
+    String description,
+    ProjectStatus status
+) {
+
+    public static AppliedProjectCardResponse of(final Project project, final Long applicantsCount) {
+        return new AppliedProjectCardResponse(
+            project.getProjectId(),
+            project.getTitle(),
+            project.getPayment(),
+            applicantsCount,
+            project.getEstimatedDuration().days(),
+            project.getApplicationDuration(),
+            HashtagsResponse.from(project.getHashtags()),
+            project.getDescription(),
+            project.getStatus()
+        );
+    }
+}

src/main/java/es/princip/getp/domain/project/query/presentation/AppliedProjectQueryController.java

@@ -0,0 +1,42 @@
+package es.princip.getp.domain.project.query.presentation;
+
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import es.princip.getp.domain.project.query.dao.AppliedProjectDao;
+import es.princip.getp.domain.project.query.dto.AppliedProjectCardResponse;
+import es.princip.getp.infra.dto.response.ApiResponse;
+import es.princip.getp.infra.dto.response.ApiResponse.ApiSuccessResult;
+import es.princip.getp.infra.dto.response.PageResponse;
+import es.princip.getp.infra.security.details.PrincipalDetails;
+import lombok.RequiredArgsConstructor;
+
+import org.springframework.data.domain.Sort;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.web.PageableDefault;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.web.bind.annotation.GetMapping;
+
+@RestController
+@RequestMapping("/people")
+@RequiredArgsConstructor
+public class AppliedProjectQueryController {
+
+    private final AppliedProjectDao appliedProjectDao;
+
+    @GetMapping("/me/projects")
+    @PreAuthorize("hasRole('PEOPLE') and isAuthenticated()")
+    public ResponseEntity<ApiSuccessResult<PageResponse<AppliedProjectCardResponse>>> getMyAppliedProjects(
+        @PageableDefault(sort = "projectId", direction = Sort.Direction.DESC) final Pageable pageable,
+        @AuthenticationPrincipal final PrincipalDetails principalDetails
+    ) {
+        final Long memberId = principalDetails.getMember().getMemberId();
+        final Page<AppliedProjectCardResponse> page = appliedProjectDao.findPagedMyAppliedProjects(pageable, memberId);
+        final PageResponse<AppliedProjectCardResponse> response = PageResponse.from(page);
+        return ApiResponse.success(HttpStatus.OK, response);
+    }
+}

src/test/java/es/princip/getp/domain/common/description/PaginationDescription.java

@@ -0,0 +1,17 @@
+package es.princip.getp.domain.common.description;
+
+
+import org.springframework.restdocs.request.ParameterDescriptor;
+
+import static es.princip.getp.infra.util.ParameterDescriptorHelper.getDescriptor;
+
+public class PaginationDescription {
+
+    public static ParameterDescriptor[] description(final int page, final int size, final String sort) {
+        return new ParameterDescriptor[] {
+            getDescriptor("page", "페이지 번호", "default", String.valueOf(page)),
+            getDescriptor("size", "페이지 크기", "default", String.valueOf(size)),
+            getDescriptor("sort", "정렬 방식", "default", sort)
+        };
+    }
+}

src/test/java/es/princip/getp/domain/people/query/presentation/PeopleQueryControllerTest.java

@@ -1,5 +1,6 @@
 package es.princip.getp.domain.people.query.presentation;
 
+import es.princip.getp.domain.common.description.PaginationDescription;
 import es.princip.getp.domain.people.command.domain.PeopleType;
 import es.princip.getp.domain.people.query.dao.PeopleDao;
 import es.princip.getp.domain.people.query.dto.people.CardPeopleResponse;
@@ -64,8 +65,8 @@ private ResultActions perform() throws Exception {
 
         @Test
         public void getCardPeoplePage() throws Exception {
-            Pageable pageable = PageRequest.of(page, size, sort);
-            List<CardPeopleResponse> content = List.of(
+            final Pageable pageable = PageRequest.of(page, size, sort);
+            final List<CardPeopleResponse> content = List.of(
                 new CardPeopleResponse(
                     1L,
                     NICKNAME,
@@ -80,21 +81,14 @@ public void getCardPeoplePage() throws Exception {
                     )
                 )
             );
-            Page<CardPeopleResponse> page = new PageImpl<>(content, pageable, content.size());
+            final Page<CardPeopleResponse> page = new PageImpl<>(content, pageable, content.size());
             given(peopleDao.findCardPeoplePage(any(Pageable.class))).willReturn(page);
 
             perform()
                 .andExpect(status().isOk())
                 .andDo(
                     restDocs.document(
-                        queryParameters(
-                            parameterWithName("page").description("페이지 번호")
-                                .optional().attributes(key("default").value("0")),
-                            parameterWithName("size").description("페이지 크기")
-                                .optional().attributes(key("default").value("10")),
-                            parameterWithName("sort").description("정렬 방식")
-                                .optional().attributes(key("default").value("peopleId,desc"))
-                        ),
+                        queryParameters(PaginationDescription.description(this.page, size, "peopleId,desc")),
                         responseFields(
                             getDescriptor("content[].peopleId", "피플 ID"),
                             getDescriptor("content[].peopleType", "피플 유형")

src/test/java/es/princip/getp/domain/project/query/dao/AppliedProjectDaoTest.java

@@ -0,0 +1,70 @@
+package es.princip.getp.domain.project.query.dao;
+
+import es.princip.getp.domain.people.query.infra.PeopleDataLoader;
+import es.princip.getp.domain.project.query.dto.AppliedProjectCardResponse;
+import es.princip.getp.domain.project.query.infra.ProjectApplicationDataLoader;
+import es.princip.getp.domain.project.query.infra.ProjectDataLoader;
+import es.princip.getp.infra.DataLoader;
+import es.princip.getp.infra.support.DaoTest;
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.PersistenceContext;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Pageable;
+
+import java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class AppliedProjectDaoTest extends DaoTest {
+
+    private static final int TEST_SIZE = 20;
+    private static final int PAGE_SIZE = 10;
+
+    @PersistenceContext
+    private EntityManager entityManager;
+
+    @Autowired
+    private AppliedProjectDao appliedProjectDao;
+
+    private List<DataLoader> dataLoaders;
+
+    @BeforeEach
+    void setUp() {
+        dataLoaders = List.of(
+            new PeopleDataLoader(entityManager),
+            new ProjectDataLoader(entityManager),
+            new ProjectApplicationDataLoader(entityManager)
+        );
+        dataLoaders.forEach(dataLoader -> dataLoader.load(TEST_SIZE));
+    }
+
+    @AfterEach
+    void teardown() {
+        dataLoaders.forEach(DataLoader::teardown);
+    }
+
+    @Nested
+    class 지원한_프로젝트_목록_조회 {
+
+        final Pageable pageable = PageRequest.of(0, PAGE_SIZE);
+
+        @Test
+        void 프로젝트_목록_조회() {
+            final Page<AppliedProjectCardResponse> response = appliedProjectDao.findPagedMyAppliedProjects(
+                pageable,
+                1L
+            );
+
+            assertThat(response.getContent()).allSatisfy(content -> {
+                assertThat(content).usingRecursiveComparison().isNotNull();
+            });
+            assertThat(response.getNumberOfElements()).isGreaterThan(0);
+        }
+    }
+}