[QA-348] 크롤링 함수 변경

src/contents/contents.service.ts

@@ -28,7 +28,7 @@ import { LoadReminderCountOutput } from './dtos/load-personal-remider-count.dto'
 import { UserRepository } from '../users/repository/user.repository';
 import { ContentRepository } from './repository/content.repository';
 import { CategoryRepository } from '../categories/category.repository';
-import { getLinkInfo } from './util/content.util';
+import { getOgData } from './util/content.util';
 import { GetLinkInfoResponseDto } from './dtos/get-link.response.dto';
 import { checkContentDuplicateAndAddCategorySaveLog } from '../categories/utils/category.util';
 import { Transactional } from '../common/aop/transactional';
@@ -69,7 +69,7 @@ export class ContentsService {
       siteName,
       description,
       coverImg,
-    } = await getLinkInfo(link);
+    } = await getOgData(link);
     title = title ? title : linkTitle;
 
     let category: Category | undefined = undefined;
@@ -132,7 +132,7 @@ export class ContentsService {
 
       await Promise.all(
         contentLinks.map(async (link) => {
-          const { title, description, coverImg, siteName } = await getLinkInfo(
+          const { title, description, coverImg, siteName } = await getOgData(
             link,
           );
 
@@ -391,7 +391,7 @@ export class ContentsService {
   }
 
   async getLinkInfo(link: string) {
-    const data = await getLinkInfo(link);
+    const data = await getOgData(link);
 
     return new GetLinkInfoResponseDto(data);
   }

src/contents/dtos/get-link.response.dto.ts

@@ -1,26 +1,26 @@
-import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
+import { ApiPropertyOptional } from '@nestjs/swagger';
 import { LinkInfo } from '../types/link-info.interface';
 
 export class GetLinkInfoResponseDto {
-  @ApiProperty({
+  @ApiPropertyOptional({
     description: '아티클 제목',
     example: '[Terraform] 테라폼 훑어보기 — 턴태의 밑바닥부터 시작하는 de-vlog',
   })
-  private readonly title: string;
+  private readonly title?: string;
 
-  @ApiProperty({
+  @ApiPropertyOptional({
     description: '아티클 본문 일부',
     example:
       '인프라 구조마저 코드로 조작하고 있는 현재, 가장 많이 쓰이는 도구는 테라폼과 앤서블이 있습니다.',
   })
-  private readonly description: string;
+  private readonly description?: string;
 
-  @ApiProperty({
+  @ApiPropertyOptional({
     description: '썸네일/커버 이미지',
     example:
       'https://img1.daumcdn.net/thumb/R800x0/?scode=mtistory2&fname=https%3A%2F%2Fblog.kakaocdn.net%2Fdn%2Fz52vz%2FbtsCAOBzgTR%2FhFgGDKkr6iKWfU6eKeKUVk%2Fimg.png',
   })
-  private readonly coverImg: string;
+  private readonly coverImg?: string;
 
   @ApiPropertyOptional({
     description: '아티클 사이트 주소',

src/contents/types/link-info.interface.ts

@@ -1,6 +1,6 @@
 export interface LinkInfo {
-  title: string;
-  description: string;
-  coverImg: string;
+  title?: string;
+  description?: string;
+  coverImg?: string;
   siteName?: string;
 }

src/contents/util/content.util.ts

@@ -2,6 +2,30 @@ import { BadRequestException } from '@nestjs/common';
 import * as cheerio from 'cheerio';
 import axios from 'axios';
 
+import ogs from 'open-graph-scraper';
+
+export async function getOgData(link: string) {
+  try {
+    const { result } = await ogs({
+      url: link,
+    });
+
+    return {
+      title: result.ogTitle ?? '',
+      description: result.ogDescription ?? '',
+      coverImg: result.ogImage ? result.ogImage[0].url : '',
+      siteName: result.ogSiteName ?? '',
+    };
+  } catch {
+    return {
+      title: '',
+      description: '',
+      coverImg: '',
+      siteName: '',
+    };
+  }
+}
+
 export const getLinkInfo = async (link: string) => {
   let title: string | undefined = '';
   let coverImg: string | undefined = '';