모임 상세 조회 기능 구현

backend/src/main/java/mouda/backend/moim/controller/MoimController.java

@@ -16,6 +16,7 @@
 import mouda.backend.common.RestResponse;
 import mouda.backend.moim.domain.Moim;
 import mouda.backend.moim.dto.request.MoimCreateRequest;
+import mouda.backend.moim.dto.response.MoimDetailsFindResponse;
 import mouda.backend.moim.dto.response.MoimFindAllResponses;
 import mouda.backend.moim.service.MoimService;
 
@@ -45,12 +46,21 @@ public ResponseEntity<RestResponse<MoimFindAllResponses>> findAllMoim() {
 		return ResponseEntity.ok().body(new RestResponse<>(moimService.findAllMoim()));
 	}
 
+	@Operation(summary = "모임 상세 조회", description = "모임 상세 조회한다.")
+	@ApiResponses({
+		@ApiResponse(responseCode = "200", description = "모임 상세 조회 성공!"),
+	})
+	@GetMapping("/{moimId}")
+	public ResponseEntity<RestResponse<MoimDetailsFindResponse>> findMoimDetails(@PathVariable long moimId) {
+		return ResponseEntity.ok().body(new RestResponse<>(moimService.findMoimDetails(moimId)));
+	}
+
 	@Operation(summary = "모임 삭제", description = "해당하는 id의 모임을 삭제한다.")
 	@ApiResponses({
 		@ApiResponse(responseCode = "200", description = "모임 삭제 성공!"),
 	})
-	@DeleteMapping("/{id}")
-	public void deleteMoim(@PathVariable long id) {
-		moimService.deleteMoim(id);
+	@DeleteMapping("/{moimId}")
+	public void deleteMoim(@PathVariable long moimId) {
+		moimService.deleteMoim(moimId);
 	}
 }

backend/src/main/java/mouda/backend/moim/domain/Moim.java

@@ -30,6 +30,8 @@ public class Moim {
 
 	private String place;
 
+	private int currentPeople;
+
 	private int maxPeople;
 
 	private String authorNickname;

backend/src/main/java/mouda/backend/moim/dto/response/MoimDetailsFindResponse.java

@@ -0,0 +1,32 @@
+package mouda.backend.moim.dto.response;
+
+import java.time.LocalDate;
+import java.time.LocalTime;
+
+import lombok.Builder;
+import mouda.backend.moim.domain.Moim;
+
+@Builder
+public record MoimDetailsFindResponse(
+	String title,
+	LocalDate date,
+	LocalTime time,
+	String place,
+	int currentPeople,
+	int maxPeople,
+	String authorNickname,
+	String description
+) {
+	public static MoimDetailsFindResponse toResponse(Moim moim) {
+		return MoimDetailsFindResponse.builder()
+			.title(moim.getTitle())
+			.date(moim.getDate())
+			.time(moim.getTime())
+			.place(moim.getPlace())
+			.currentPeople(moim.getCurrentPeople())
+			.maxPeople(moim.getMaxPeople())
+			.authorNickname(moim.getAuthorNickname())
+			.description(moim.getDescription())
+			.build();
+	}
+}

backend/src/main/java/mouda/backend/moim/dto/response/MoimFindAllResponse.java

@@ -13,6 +13,7 @@ public record MoimFindAllResponse(
 	LocalDate date,
 	LocalTime time,
 	String place,
+	int currentPeople,
 	int maxPeople,
 	String authorNickname,
 	String description
@@ -24,6 +25,7 @@ public static MoimFindAllResponse toResponse(Moim moim) {
 			.date(moim.getDate())
 			.time(moim.getTime())
 			.place(moim.getPlace())
+			.currentPeople(moim.getCurrentPeople())
 			.maxPeople(moim.getMaxPeople())
 			.authorNickname(moim.getAuthorNickname())
 			.description(moim.getDescription())

backend/src/main/java/mouda/backend/moim/service/MoimService.java

@@ -8,6 +8,7 @@
 import lombok.RequiredArgsConstructor;
 import mouda.backend.moim.domain.Moim;
 import mouda.backend.moim.dto.request.MoimCreateRequest;
+import mouda.backend.moim.dto.response.MoimDetailsFindResponse;
 import mouda.backend.moim.dto.response.MoimFindAllResponse;
 import mouda.backend.moim.dto.response.MoimFindAllResponses;
 import mouda.backend.moim.repository.MoimRepository;
@@ -33,10 +34,18 @@ public MoimFindAllResponses findAllMoim() {
 		);
 	}
 
-    public void deleteMoim(long id) {
+	@Transactional(readOnly = true)
+	public MoimDetailsFindResponse findMoimDetails(long id) {
+		Moim moim = moimRepository.findById(id)
+			.orElseThrow(IllegalArgumentException::new);
+
+		return MoimDetailsFindResponse.toResponse(moim);
+	}
+
+	public void deleteMoim(long id) {
 		Moim moim = moimRepository.findById(id)
 			.orElseThrow(IllegalArgumentException::new);
 
 		moimRepository.delete(moim);
-    }
+	}
 }

backend/src/test/java/mouda/backend/moim/service/MoimServiceTest.java

@@ -5,73 +5,90 @@
 import java.time.LocalDate;
 import java.time.LocalTime;
 import java.util.List;
-import mouda.backend.config.DatabaseCleaner;
-import mouda.backend.moim.domain.Moim;
-import mouda.backend.moim.dto.request.MoimCreateRequest;
-import mouda.backend.moim.dto.response.MoimFindAllResponses;
-import mouda.backend.moim.repository.MoimRepository;
+
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 
+import mouda.backend.config.DatabaseCleaner;
+import mouda.backend.moim.domain.Moim;
+import mouda.backend.moim.dto.request.MoimCreateRequest;
+import mouda.backend.moim.dto.response.MoimDetailsFindResponse;
+import mouda.backend.moim.dto.response.MoimFindAllResponses;
+import mouda.backend.moim.repository.MoimRepository;
+
 @SpringBootTest
 class MoimServiceTest {
 
-    @Autowired
-    private MoimService moimService;
-
-    @Autowired
-    private MoimRepository moimRepository;
-
-    @Autowired
-    private DatabaseCleaner databaseCleaner;
-
-    @AfterEach
-    void cleanUp() {
-        databaseCleaner.cleanUp();
-    }
-
-    @DisplayName("모임을 생성한다.")
-    @Test
-    void createMoim() {
-        MoimCreateRequest moimCreateRequest = new MoimCreateRequest(
-                "title", LocalDate.now(), LocalTime.now(), "place",
-                10, "안나", "설명"
-        );
-        Moim moim = moimService.createMoim(moimCreateRequest);
-        assertThat(moim.getId()).isEqualTo(1L);
-    }
-
-    @DisplayName("모임을 전체 조회한다.")
-    @Test
-    void findAllMoim() {
-        MoimCreateRequest moimCreateRequest = new MoimCreateRequest(
-                "title", LocalDate.now(), LocalTime.now(), "place",
-                10, "안나", "설명"
-        );
-        moimService.createMoim(moimCreateRequest);
-        moimService.createMoim(moimCreateRequest);
-
-        MoimFindAllResponses moimResponses = moimService.findAllMoim();
-
-        assertThat(moimResponses).isNotNull();
-        assertThat(moimResponses.moims()).hasSize(2);
-    }
-
-    @DisplayName("모임을 삭제한다.")
-    @Test
-    void deleteMoim() {
-        MoimCreateRequest moimCreateRequest = new MoimCreateRequest(
-            "title", LocalDate.now(), LocalTime.now(), "place",
-            10, "안나", "설명"
-        );
-        moimService.createMoim(moimCreateRequest);
-
-        moimService.deleteMoim(1L);
-        List<Moim> moims = moimRepository.findAll();
-
-        assertThat(moims).hasSize(0);
-    }
+	@Autowired
+	private MoimService moimService;
+
+	@Autowired
+	private MoimRepository moimRepository;
+
+	@Autowired
+	private DatabaseCleaner databaseCleaner;
+
+	@AfterEach
+	void cleanUp() {
+		databaseCleaner.cleanUp();
+	}
+
+	@DisplayName("모임을 생성한다.")
+	@Test
+	void createMoim() {
+		MoimCreateRequest moimCreateRequest = new MoimCreateRequest(
+			"title", LocalDate.now(), LocalTime.now(), "place",
+			10, "안나", "설명"
+		);
+		Moim moim = moimService.createMoim(moimCreateRequest);
+		assertThat(moim.getId()).isEqualTo(1L);
+	}
+
+	@DisplayName("모임을 전체 조회한다.")
+	@Test
+	void findAllMoim() {
+		MoimCreateRequest moimCreateRequest = new MoimCreateRequest(
+			"title", LocalDate.now(), LocalTime.now(), "place",
+			10, "안나", "설명"
+		);
+		moimService.createMoim(moimCreateRequest);
+		moimService.createMoim(moimCreateRequest);
+
+		MoimFindAllResponses moimResponses = moimService.findAllMoim();
+
+		assertThat(moimResponses).isNotNull();
+		assertThat(moimResponses.moims()).hasSize(2);
+	}
+
+	@DisplayName("모임 상세를 조회한다.")
+	@Test
+	void findMoimDetails() {
+		MoimCreateRequest moimCreateRequest = new MoimCreateRequest(
+			"title", LocalDate.now(), LocalTime.now(), "place",
+			10, "안나", "설명"
+		);
+		moimService.createMoim(moimCreateRequest);
+
+		MoimDetailsFindResponse moimDetails = moimService.findMoimDetails(1L);
+
+		assertThat(moimDetails.authorNickname()).isEqualTo("안나");
+	}
+
+	@DisplayName("모임을 삭제한다.")
+	@Test
+	void deleteMoim() {
+		MoimCreateRequest moimCreateRequest = new MoimCreateRequest(
+			"title", LocalDate.now(), LocalTime.now(), "place",
+			10, "안나", "설명"
+		);
+		moimService.createMoim(moimCreateRequest);
+
+		moimService.deleteMoim(1L);
+		List<Moim> moims = moimRepository.findAll();
+
+		assertThat(moims).hasSize(0);
+	}
 }