Feat: [FN-324] 그룹 이름 조회 API 추가

Feat: [FN-324] 그룹 이름 조회 API 추가

Author: stoneTiger0912

build.gradle

@@ -51,7 +51,7 @@ dependencies {
 	compileOnly 'org.projectlombok:lombok'
 	compileOnly 'jakarta.annotation:jakarta.annotation-api:2.1.1'
 	compileOnly 'javax.annotation:javax.annotation-api:1.3.2'
-	developmentOnly 'org.springframework.boot:spring-boot-devtools'
+//	developmentOnly 'org.springframework.boot:spring-boot-devtools'
 	runtimeOnly 'com.mysql:mysql-connector-j'
 	annotationProcessor 'org.projectlombok:lombok'
 
@@ -92,7 +92,7 @@ protobuf {
 		}
 	}
 	generateProtoTasks {
-		all().configureEach { task ->
+		all().each { task ->
 			task.plugins {
 				grpc {}
 			}
@@ -104,7 +104,6 @@ def querydslDir = layout.buildDirectory.dir("generated/querydsl").get().asFile
 
 sourceSets {
 	main {
-		proto { srcDir "src/main/proto" }
 		java {
 			srcDirs querydslDir,
 					"$buildDir/generated/sources/proto/main/java",

src/main/java/flipnote/group/adapter/in/grpc/.gitkeep

@@ -0,0 +1,33 @@
+package flipnote.group.adapter.in.grpc;
+
+import org.springframework.grpc.server.service.GrpcService;
+
+import flipnote.group.application.port.in.FindGroupNameUseCase;
+import flipnote.group.grpc.v1.GetGroupNameRequest;
+import flipnote.group.grpc.v1.GetGroupNameResponse;
+import flipnote.group.grpc.v1.GroupCommandServiceGrpc;
+import io.grpc.stub.StreamObserver;
+import lombok.RequiredArgsConstructor;
+
+@GrpcService
+@RequiredArgsConstructor
+public class GroupCommandService extends GroupCommandServiceGrpc.GroupCommandServiceImplBase {
+
+	private final FindGroupNameUseCase findGroupNameUseCase;
+
+	@Override
+	public void getGroupName(GetGroupNameRequest request, StreamObserver<GetGroupNameResponse> responseObserver) {
+		try {
+			String groupName = findGroupNameUseCase.findGroupName(request.getGroupId());
+
+			GetGroupNameResponse res = GetGroupNameResponse.newBuilder()
+				.setGroupName(groupName)
+				.build();
+
+			responseObserver.onNext(res);
+			responseObserver.onCompleted();
+		} catch (Exception e) {
+			responseObserver.onError(e);
+		}
+	}
+}

src/main/java/flipnote/group/adapter/in/grpc/GroupCommandService.java

@@ -0,0 +1,5 @@
+package flipnote.group.application.port.in;
+
+public interface FindGroupNameUseCase {
+	String findGroupName(Long groupId);
+}

src/main/java/flipnote/group/application/port/in/FindGroupNameUseCase.java

@@ -0,0 +1,34 @@
+package flipnote.group.application.service;
+
+import java.util.NoSuchElementException;
+
+import org.springframework.stereotype.Service;
+
+import flipnote.group.adapter.out.entity.GroupEntity;
+import flipnote.group.application.port.in.FindGroupNameUseCase;
+import flipnote.group.application.port.out.GroupRepositoryPort;
+import lombok.RequiredArgsConstructor;
+
+@Service
+@RequiredArgsConstructor
+public class FindGroupNameService implements FindGroupNameUseCase {
+
+	private final GroupRepositoryPort groupRepository;
+
+	/**
+	 * 그룹 명 조회
+	 * @param groupId
+	 * @return
+	 */
+	@Override
+	public String findGroupName(Long groupId) {
+
+		GroupEntity group = groupRepository.findById(groupId);
+
+		if (group == null) {
+			throw new NoSuchElementException("Group not found: " + groupId);
+		}
+
+		return group.getName();
+	}
+}

src/main/java/flipnote/group/application/service/FindGroupNameService.java

@@ -13,7 +13,7 @@ public class GrpcClientConfig {
 
     @Bean(destroyMethod = "shutdownNow")
     public ManagedChannel imageCommandChannel(
-        @Value("${grpc.image.address:localhost:9092}") String target
+        @Value("${spring.grpc.image.address:localhost:9092}") String target
     ) {
         return ManagedChannelBuilder.forTarget(target)
             .usePlaintext()

src/main/java/flipnote/group/infrastructure/config/GrpcClientConfig.java

@@ -0,0 +1,22 @@
+syntax = "proto3";
+
+package group.v1;
+
+
+option java_multiple_files = true;
+option java_package = "flipnote.group.grpc.v1";
+option java_outer_classname = "GroupServiceProto";
+
+service GroupCommandService {
+
+  // 그룹 이름 조회
+  rpc GetGroupName(GetGroupNameRequest) returns (GetGroupNameResponse);
+}
+
+message GetGroupNameRequest {
+  int64 group_id = 1;
+}
+
+message GetGroupNameResponse {
+  string group_name = 1;
+}