feat: 질문지 상세 페이지에 scrapCount 추가

Author: twalla26

backend/src/question-list/dto/question-list-contents.dto.ts

@@ -8,4 +8,5 @@ export interface QuestionListContentsDto {
     usage: number;
     username: string;
     isScrap: boolean;
+    scrapCount: number;
 }

backend/src/question-list/question-list.controller.ts

@@ -165,12 +165,6 @@ export class QuestionListController {
         try {
             const userId = token ? token.userId : null;
 
-            if (!userId) {
-                // 로그인 안함
-                // isScrap: false
-                // 비공개 질문 접근 불가 처리
-            }
-
             const { questionListId } = body;
             const questionListContents: QuestionListContentsDto =
                 await this.questionListService.getQuestionListContents(questionListId, userId);

backend/src/question-list/question-list.service.ts

@@ -140,6 +140,8 @@ export class QuestionListService {
             ? await this.questionListRepository.isQuestionListScrapped(id, userId)
             : false;
 
+        const scrapCount = await this.questionListRepository.getScrapCount(id);
+
         const questionListContents: QuestionListContentsDto = {
             id,
             title,
@@ -148,6 +150,7 @@ export class QuestionListService {
             usage,
             username,
             isScrap,
+            scrapCount: parseInt(scrapCount.count),
         };
 
         return questionListContents;

backend/src/question-list/repository/question-list.repository.ts

@@ -68,6 +68,14 @@ export class QuestionListRepository extends Repository<QuestionList> {
             .then((result) => !!result);
     }
 
+    getScrapCount(questionListId: number) {
+        return this.createQueryBuilder("question_list")
+            .innerJoin("question_list.scrappedByUsers", "user")
+            .where("question_list.id = :questionListId", { questionListId })
+            .select("COUNT(user.id)", "count")
+            .getRawOne();
+    }
+
     async paginate(paginateDto: PaginateDto) {
         const { queryBuilder, skip, take, field, direction } = paginateDto;
         return await queryBuilder