feat(graphql): add organization/generation member queries and mutations

apps/server/src/application/commands/change-member-role.command.ts

@@ -0,0 +1,94 @@
+// ChangeMemberRoleCommand - 조직원 역할 변경 Command
+
+import { Organization } from '../../domain/organization/organization.domain';
+import { Member } from '../../domain/member/member.domain';
+import {
+  OrganizationMember,
+  OrganizationRole,
+} from '../../domain/organization-member/organization-member.domain';
+import { OrganizationRepository } from '../../domain/organization/organization.repository';
+import { MemberRepository } from '../../domain/member/member.repository';
+import { OrganizationMemberRepository } from '../../domain/organization-member/organization-member.repository';
+
+/**
+ * 조직원 역할 변경 요청 데이터
+ */
+export interface ChangeMemberRoleRequest {
+  organizationSlug: string;
+  memberDiscordId: string;
+  newRole: OrganizationRole;
+}
+
+/**
+ * 조직원 역할 변경 결과
+ */
+export interface ChangeMemberRoleResult {
+  organizationMember: OrganizationMember;
+  organization: Organization;
+  member: Member;
+}
+
+/**
+ * 조직원 역할 변경 Command (Use Case)
+ *
+ * 책임:
+ * 1. 조직 존재 확인
+ * 2. 멤버 존재 확인
+ * 3. 조직원 존재 확인
+ * 4. 역할 변경
+ * 5. 저장
+ */
+export class ChangeMemberRoleCommand {
+  constructor(
+    private readonly organizationRepo: OrganizationRepository,
+    private readonly memberRepo: MemberRepository,
+    private readonly organizationMemberRepo: OrganizationMemberRepository
+  ) {}
+
+  async execute(
+    request: ChangeMemberRoleRequest
+  ): Promise<ChangeMemberRoleResult> {
+    // 1. 조직 존재 확인
+    const organization = await this.organizationRepo.findBySlug(
+      request.organizationSlug
+    );
+    if (!organization) {
+      throw new Error(`Organization "${request.organizationSlug}" not found`);
+    }
+
+    // 2. 멤버 존재 확인
+    const member = await this.memberRepo.findByDiscordId(
+      request.memberDiscordId
+    );
+    if (!member) {
+      throw new Error(
+        `Member with Discord ID ${request.memberDiscordId} not found`
+      );
+    }
+
+    // 3. 조직원 존재 확인
+    const organizationMember =
+      await this.organizationMemberRepo.findByOrganizationAndMember(
+        organization.id,
+        member.id
+      );
+
+    if (!organizationMember) {
+      throw new Error(
+        `Member is not part of organization "${request.organizationSlug}"`
+      );
+    }
+
+    // 4. 역할 변경
+    organizationMember.changeRole(request.newRole);
+
+    // 5. 저장
+    await this.organizationMemberRepo.save(organizationMember);
+
+    return {
+      organizationMember,
+      organization,
+      member,
+    };
+  }
+}

apps/server/src/application/commands/index.ts

@@ -9,3 +9,4 @@ export * from './add-member-to-organization.command';
 export * from './update-member-status.command';
 export * from './join-organization.command';
 export * from './join-generation.command';
+export * from './change-member-role.command';

apps/server/src/presentation/graphql/mappers/index.ts

@@ -4,3 +4,4 @@ export * from './member.mapper';
 export * from './generation.mapper';
 export * from './cycle.mapper';
 export * from './organization.mapper';
+export * from './organization-member.mapper';

apps/server/src/presentation/graphql/mappers/organization-member.mapper.ts

@@ -0,0 +1,11 @@
+// OrganizationMember Mapper
+
+import { OrganizationMember } from '@/domain/organization-member/organization-member.domain';
+import { GqlOrganizationMember, GqlMember } from '../types';
+
+export const domainToGraphqlOrganizationMember = (
+  organizationMember: OrganizationMember,
+  member?: GqlMember
+): GqlOrganizationMember => {
+  return new GqlOrganizationMember(organizationMember, member);
+};

apps/server/src/presentation/graphql/resolvers/generation.resolver.ts

@@ -9,16 +9,22 @@
 import {
   DrizzleGenerationRepository,
   DrizzleOrganizationRepository,
+  DrizzleGenerationMemberRepository,
+  DrizzleMemberRepository,
 } from '@/infrastructure/persistence/drizzle';
 import { domainToGraphqlOrganization } from '../mappers';
-import { GqlGeneration } from '../types';
+import { GqlGeneration, GqlGenerationMember } from '../types';
+import { GenerationMember } from '@/domain/generation-member/generation-member.domain';
+import { Member } from '@/domain/member/member.domain';
 
 // ========================================
 // Repository Instances
 // ========================================
 
 const generationRepo = new DrizzleGenerationRepository();
 const organizationRepo = new DrizzleOrganizationRepository();
+const generationMemberRepo = new DrizzleGenerationMemberRepository();
+const memberRepo = new DrizzleMemberRepository();
 
 // ========================================
 // Query & Command Instances
@@ -35,17 +41,44 @@
 // Helper Functions
 // ========================================
 
-async function loadGenerationWithOrganization(
+// Helper 함수: GenerationMember를 GqlGenerationMember로 변환
+async function mapToGqlGenerationMember(
+  generationMember: GenerationMember
+): Promise<GqlGenerationMember> {
+  const member = await memberRepo.findById(generationMember.memberId);
+  if (!member) {
+    throw new Error(`Member ${generationMember.memberId.value} not found`);
+  }
+
+  return new GqlGenerationMember(generationMember, {
+    id: member.id.value,
+    github: member.githubUsername?.value ?? '',
+    discordId: member.discordId.value,
+    name: member.name.value,
+    createdAt: member.createdAt.toISOString(),
+  });
+}
+
+async function loadGenerationWithOrganizationAndMembers(
   generation: Awaited<ReturnType<typeof getGenerationByIdQuery.execute>>
 ): Promise<GqlGeneration | null> {
   if (!generation) return null;
 
   const organization = await organizationRepo.findById(
     OrganizationId.create(generation.organizationId)
   );
+
+  const generationMembers =
+    await generationMemberRepo.findByGeneration(generation.id.value);
+  const members = await Promise.all(
+    generationMembers.map(mapToGqlGenerationMember)
+  );
+
   return new GqlGeneration(
     generation,
-    organization ? domainToGraphqlOrganization(organization) : undefined
+    organization ? domainToGraphqlOrganization(organization) : undefined,
+    undefined,
+    members
   );
 }
 
@@ -62,9 +95,18 @@
         const organization = await organizationRepo.findById(
           OrganizationId.create(gen.organizationId)
         );
+
+        const generationMembers =
+          await generationMemberRepo.findByGeneration(gen.id.value);
+        const members = await Promise.all(
+          generationMembers.map(mapToGqlGenerationMember)
+        );
+
         return new GqlGeneration(
           gen,
-          organization ? domainToGraphqlOrganization(organization) : undefined
+          organization ? domainToGraphqlOrganization(organization) : undefined,
+          undefined,
+          members
         );
       })
     );
@@ -74,13 +116,13 @@
   // 기수 단건 조회
   generation: async (id: number): Promise<GqlGeneration | null> => {
     const generation = await getGenerationByIdQuery.execute(id);
-    return loadGenerationWithOrganization(generation);
+    return loadGenerationWithOrganizationAndMembers(generation);
   },
 
   // 활성화된 기수 조회
   activeGeneration: async (): Promise<GqlGeneration | null> => {
     const generation = await generationRepo.findActive();
-    return loadGenerationWithOrganization(generation);
+    return loadGenerationWithOrganizationAndMembers(generation);
   },
 };
 
@@ -99,9 +141,18 @@
     const organization = await organizationRepo.findById(
       OrganizationId.create(result.generation.organizationId)
     );
+
+    const generationMembers =
+      await generationMemberRepo.findByGeneration(result.generation.id.value);
+    const members = await Promise.all(
+      generationMembers.map(mapToGqlGenerationMember)
+    );
+
     return new GqlGeneration(
       result.generation,
-      organization ? domainToGraphqlOrganization(organization) : undefined
+      organization ? domainToGraphqlOrganization(organization) : undefined,
+      undefined,
+      members
     );
   },
 };

apps/server/src/presentation/graphql/resolvers/index.ts

@@ -7,6 +7,10 @@ import {
   organizationQueries,
   organizationMutations,
 } from './organization.resolver';
+import {
+  organizationMemberQueries,
+  organizationMemberMutations,
+} from './organization-member.resolver';
 
 // ========================================
 // Query Resolvers 합치기
@@ -17,6 +21,7 @@ export const queryResolvers = {
   ...generationQueries,
   ...cycleQueries,
   ...organizationQueries,
+  ...organizationMemberQueries,
 };
 
 // ========================================
@@ -28,4 +33,5 @@ export const mutationResolvers = {
   ...generationMutations,
   ...cycleMutations,
   ...organizationMutations,
+  ...organizationMemberMutations,
 };