feat: ✨ FollowerList 추가

- #405

feat: ✨ MakeFollow: 프론트 테스트용 임시 함수 추가

- #405

refactor: ♻️ 변수명 수정 및 함수 분리

login -> target, FollowListByMe -> FollowList, FollowUserList -> FollowListWithCount, followUser->followLser, cursusUserService에 유저 아이디 찾는 함수 추가, 중복되는 함수 분리

- #405

refactor: ♻️ checkFollowingStatus 함수 활용하도록 변경

- #405

app/src/api/cursusUser/cursusUser.service.ts

@@ -77,6 +77,18 @@ export class CursusUserService {
     return this.cursusUserModel.aggregate<ReturnType>();
   }
 
+  async getuserIdByLogin(login: string): Promise<number | null> {
+    const userId = await this.findOneAndLean({
+      filter: { 'user.login': login },
+    }).then((user) => user?.user.id);
+
+    if (!userId) {
+      return null;
+    }
+
+    return userId;
+  }
+
   async findAllAndLean(
     queryArgs?: QueryArgs<cursus_user>,
   ): Promise<cursus_user[]> {
@@ -116,6 +128,37 @@ export class CursusUserService {
     }));
   }
 
+  async findOneUserPreviewAndLean(
+    queryArgs?: Omit<QueryArgs<cursus_user>, 'select'>,
+  ): Promise<UserPreview | null> {
+    const cursusUsers: {
+      user: {
+        id: number;
+        login: string;
+        image: {
+          link?: string;
+        };
+      };
+    } | null = await this.findOneAndLean({
+      ...queryArgs,
+      select: {
+        'user.id': 1,
+        'user.login': 1,
+        'user.image.link': 1,
+      },
+    });
+
+    if (!cursusUsers) {
+      return null;
+    }
+
+    return {
+      id: cursusUsers.user.id,
+      login: cursusUsers.user.login,
+      imgUrl: cursusUsers.user.image.link,
+    };
+  }
+
   async userFullProfile(
     filter?: FilterQuery<cursus_user>,
   ): Promise<UserFullProfile[]> {

app/src/follow/follow.module.ts

@@ -11,7 +11,6 @@ import { FollowService } from './follow.service';
     CursusUserModule,
   ],
   providers: [FollowResolver, FollowService],
-  //exports: [FollowService],
 })
 // eslint-disable-next-line
 export class FollowModule {}

app/src/follow/follow.resolve.ts

@@ -4,55 +4,72 @@ import { MyUserId } from 'src/auth/myContext';
 import { StatAuthGuard } from 'src/auth/statAuthGuard';
 import { HttpExceptionFilter } from 'src/http-exception.filter';
 import { FollowService } from './follow.service';
-import { FollowResult, FollowUserList } from './model/follow.model';
+import { FollowListWithCount, FollowResult } from './model/follow.model';
 
 @UseFilters(HttpExceptionFilter)
 @UseGuards(StatAuthGuard)
 @Resolver()
 export class FollowResolver {
   constructor(private readonly followService: FollowService) {}
 
+  @Mutation((_returns) => FollowResult, {
+    description: '프론트 테스트용 임시 함수',
+  })
+  async MakeFollow(
+    @Args('to') to: string,
+    @Args('from') from: string,
+    @Args('type') type: 'follow' | 'unfollow',
+  ): Promise<typeof FollowResult> {
+    return await this.followService.MakeFollowUser(to, from, type);
+  }
+
   @Mutation((_returns) => FollowResult)
   async followUser(
     @MyUserId() userId: number,
-    @Args('login') login: string,
+    @Args('target') target: string,
   ): Promise<typeof FollowResult> {
-    return await this.followService.followUser(userId, login);
+    return await this.followService.followUser(userId, target);
   }
 
   @Mutation((_returns) => FollowResult)
-  async unFollowUser(
+  async unfollowUser(
     @MyUserId() userId: number,
-    @Args('login') login: string,
+    @Args('target') target: string,
   ): Promise<typeof FollowResult> {
-    return await this.followService.unFollowUser(userId, login);
+    return await this.followService.unfollowUser(userId, target);
   }
 
-  @Mutation((_returns) => FollowUserList)
+  @Mutation((_returns) => FollowListWithCount)
   async getFollowerList(
     @MyUserId() userId: number,
-    @Args('login') login: string,
-  ): Promise<FollowUserList> {
-    const followUser = await this.followService.getFollowerList(login);
-    const count = await this.followService.getFollowerCount(login);
+    @Args('target') target: string,
+  ): Promise<FollowListWithCount> {
+    const followerList = await this.followService.getFollowerList(
+      userId,
+      target,
+    );
+    const count = await this.followService.getFollowerCount(target);
 
     return {
       count,
-      followUser,
+      followList: followerList,
     };
   }
 
-  @Mutation((_returns) => FollowUserList)
+  @Mutation((_returns) => FollowListWithCount)
   async getFollowingList(
     @MyUserId() userId: number,
-    @Args('login') login: string,
-  ): Promise<FollowUserList> {
-    const followUser = await this.followService.getFollowingList(userId, login);
-    const count = await this.followService.getFollowingCount(login);
+    @Args('target') target: string,
+  ): Promise<FollowListWithCount> {
+    const followingList = await this.followService.getFollowingList(
+      userId,
+      target,
+    );
+    const count = await this.followService.getFollowingCount(target);
 
     return {
       count,
-      followUser,
+      followList: followingList,
     };
   }
 }