[FEAT] 기존 조직 문서를 조직 문서에 연결하는 기능

src/main/java/com/wooteco/wiki/organizationdocument/controller/OrganizationDocumentController.java

@@ -4,6 +4,7 @@
 import com.wooteco.wiki.global.common.ApiResponse.SuccessBody;
 import com.wooteco.wiki.global.common.ApiResponseGenerator;
 import com.wooteco.wiki.organizationdocument.dto.request.OrganizationDocumentCreateRequest;
+import com.wooteco.wiki.organizationdocument.dto.request.OrganizationDocumentLinkRequest;
 import com.wooteco.wiki.organizationdocument.dto.request.OrganizationDocumentUpdateRequest;
 import com.wooteco.wiki.organizationdocument.dto.response.OrganizationDocumentAndEventResponse;
 import com.wooteco.wiki.organizationdocument.dto.response.OrganizationDocumentResponse;
@@ -42,6 +43,16 @@ public ApiResponse<SuccessBody<OrganizationDocumentResponse>> createOrganization
         return ApiResponseGenerator.success(organizationDocumentResponse);
     }
 
+    @Operation(summary = "기존 조직 문서를 크루 문서에 연결", description = "이미 존재하는 조직 문서를 크루 문서와 연결합니다.")
+    @PostMapping("/link")
+    public ApiResponse<SuccessBody<OrganizationDocumentResponse>> linkOrganizationDocument(
+            @RequestBody OrganizationDocumentLinkRequest organizationDocumentLinkRequest) {
+        OrganizationDocumentResponse organizationDocumentResponse = organizationDocumentService.link(
+                organizationDocumentLinkRequest);
+
+        return ApiResponseGenerator.success(organizationDocumentResponse);
+    }
+
     @Operation(summary = "조직 위키 글 수정", description = "조직 위키 글을 수정합니다.")
     @PutMapping
     public ApiResponse<SuccessBody<OrganizationDocumentResponse>> modifyOrganizationDocumentContents(

src/main/java/com/wooteco/wiki/organizationdocument/dto/request/OrganizationDocumentLinkRequest.java

@@ -0,0 +1,9 @@
+package com.wooteco.wiki.organizationdocument.dto.request;
+
+import java.util.UUID;
+
+public record OrganizationDocumentLinkRequest(
+        UUID crewDocumentUuid,
+        UUID organizationDocumentUuid
+) {
+}

src/main/java/com/wooteco/wiki/organizationdocument/service/OrganizationDocumentService.java

@@ -10,6 +10,7 @@
 import com.wooteco.wiki.history.service.HistoryService;
 import com.wooteco.wiki.organizationdocument.domain.OrganizationDocument;
 import com.wooteco.wiki.organizationdocument.dto.request.OrganizationDocumentCreateRequest;
+import com.wooteco.wiki.organizationdocument.dto.request.OrganizationDocumentLinkRequest;
 import com.wooteco.wiki.organizationdocument.dto.request.OrganizationDocumentUpdateRequest;
 import com.wooteco.wiki.organizationdocument.dto.response.OrganizationDocumentAndEventResponse;
 import com.wooteco.wiki.organizationdocument.dto.response.OrganizationDocumentResponse;
@@ -47,6 +48,14 @@ public OrganizationDocumentResponse create(OrganizationDocumentCreateRequest org
         return new OrganizationDocumentResponse(savedOrganizationDocument);
     }
 
+    public OrganizationDocumentResponse link(OrganizationDocumentLinkRequest organizationDocumentLinkRequest) {
+        CrewDocument crewDocument = getCrewDocument(organizationDocumentLinkRequest.crewDocumentUuid());
+        OrganizationDocument organizationDocument = getOrganizationDocument(
+                organizationDocumentLinkRequest.organizationDocumentUuid());
+        documentOrganizationLinkService.link(crewDocument, organizationDocument);
+        return new OrganizationDocumentResponse(organizationDocument);
+    }
+
     public OrganizationDocumentResponse update(OrganizationDocumentUpdateRequest organizationDocumentUpdateRequest) {
         OrganizationDocument organizationDocument = organizationDocumentRepository.findByUuid(
                         organizationDocumentUpdateRequest.uuid())

src/test/java/com/wooteco/wiki/organizationdocument/service/OrganizationDocumentServiceTest.java

@@ -0,0 +1,108 @@
+package com.wooteco.wiki.organizationdocument.service;
+
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.assertj.core.api.SoftAssertions.assertSoftly;
+
+import com.wooteco.wiki.document.domain.CrewDocument;
+import com.wooteco.wiki.document.fixture.CrewDocumentFixture;
+import com.wooteco.wiki.document.repository.CrewDocumentRepository;
+import com.wooteco.wiki.global.exception.WikiException;
+import com.wooteco.wiki.organizationdocument.domain.DocumentOrganizationLink;
+import com.wooteco.wiki.organizationdocument.domain.OrganizationDocument;
+import com.wooteco.wiki.organizationdocument.dto.request.OrganizationDocumentLinkRequest;
+import com.wooteco.wiki.organizationdocument.fixture.OrganizationDocumentFixture;
+import com.wooteco.wiki.organizationdocument.repository.DocumentOrganizationLinkRepository;
+import com.wooteco.wiki.organizationdocument.repository.OrganizationDocumentRepository;
+import java.util.UUID;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.annotation.DirtiesContext;
+
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.NONE)
+@DirtiesContext(classMode = DirtiesContext.ClassMode.AFTER_EACH_TEST_METHOD)
+class OrganizationDocumentServiceTest {
+
+    @Autowired
+    private OrganizationDocumentService organizationDocumentService;
+
+    @Autowired
+    private CrewDocumentRepository crewDocumentRepository;
+
+    @Autowired
+    private OrganizationDocumentRepository organizationDocumentRepository;
+
+    @Autowired
+    private DocumentOrganizationLinkRepository documentOrganizationLinkRepository;
+
+    @DisplayName("기존 조직 문서를 크루 문서에 연결할 때")
+    @Nested
+    class LinkExistingOrganization {
+
+        private CrewDocument savedCrewDocument;
+        private OrganizationDocument savedOrganizationDocument;
+
+        @BeforeEach
+        void setUp() {
+            CrewDocument crewDocument = CrewDocumentFixture.createDefaultCrewDocument();
+            savedCrewDocument = crewDocumentRepository.save(crewDocument);
+
+            OrganizationDocument organizationDocument = OrganizationDocumentFixture.createDefault();
+            savedOrganizationDocument = organizationDocumentRepository.save(organizationDocument);
+        }
+
+        @DisplayName("성공적으로 기존 조직 문서를 크루 문서와 연결한다")
+        @Test
+        void link_success() {
+            // given
+            OrganizationDocumentLinkRequest request = new OrganizationDocumentLinkRequest(
+                savedCrewDocument.getUuid(),
+                savedOrganizationDocument.getUuid()
+            );
+
+            // when
+            organizationDocumentService.link(request);
+
+            // then
+            DocumentOrganizationLink link = documentOrganizationLinkRepository
+                .findByCrewDocumentAndOrganizationDocument(savedCrewDocument, savedOrganizationDocument)
+                .orElseThrow();
+
+            assertSoftly(softly -> {
+                softly.assertThat(link.getCrewDocument().getId()).isEqualTo(savedCrewDocument.getId());
+                softly.assertThat(link.getOrganizationDocument().getId()).isEqualTo(savedOrganizationDocument.getId());
+            });
+        }
+
+        @DisplayName("존재하지 않는 크루 문서 UUID로 연결을 시도하면 예외가 발생한다")
+        @Test
+        void link_fail_crewDocumentNotFound() {
+            // given
+            OrganizationDocumentLinkRequest request = new OrganizationDocumentLinkRequest(
+                UUID.randomUUID(),
+                savedOrganizationDocument.getUuid()
+            );
+
+            // when & then
+            assertThatThrownBy(() -> organizationDocumentService.link(request))
+                .isInstanceOf(WikiException.class);
+        }
+
+        @DisplayName("존재하지 않는 조직 문서 UUID로 연결을 시도하면 예외가 발생한다")
+        @Test
+        void link_fail_organizationDocumentNotFound() {
+            // given
+            OrganizationDocumentLinkRequest request = new OrganizationDocumentLinkRequest(
+                savedCrewDocument.getUuid(),
+                UUID.randomUUID()
+            );
+
+            // when & then
+            assertThatThrownBy(() -> organizationDocumentService.link(request))
+                .isInstanceOf(WikiException.class);
+        }
+    }
+}