참고 : https://velog.io/@isntkyu/NodeJs-벨로그-전체-게시글-조회수-통계-API-만들어봄

• request url
  - https://v2.velog.io/graphql

• request method
  - post

• request header
  - Content-Type : application/json
  - Cookie : chrome console - network 에서 겟
  -> 비밀 글 등 개인적인 정보 조회 필요시 cookie를 header에 넣어줘야 한다.

json 정보

1. 시리즈 목록 정보 조회

• request :

  {
    "operationName": "UserSeriesList",
    "variables": {
       "username": username
     },
     "query": "query UserSeriesList($username: String!) {\n  user(username: $username) {\n    id\n    series_list {\n      id\n      name\n      description\n      url_slug\n      thumbnail\n      updated_at\n      posts_count\n      __typename\n    }\n    __typename\n  }\n}\n"
  }

• response :

  {
    "data":{
       "user":{
          "id": String,
          "series_list":[
             {
                "id": String,
                "name": String,
                "posts_count": int
             },
             ...
          ]
       }
    }
  }

2. 글 목록 정보 조회

• request :

  {
     "operationName":"Posts",
     "variables":{
       "username":username,
       "cursor": post_id,
       "limit": 100
     },
     "query":"query Posts($cursor: ID, $username: String, $temp_only: Boolean, $tag: String, $limit: Int) {\n  posts(cursor: $cursor, username: $username, temp_only: $temp_only, tag: $tag, limit: $limit) {\n    id\n    title\n    short_description\n    thumbnail\n    user {\n      id\n      username\n      profile {\n        id\n        thumbnail\n        __typename\n      }\n      __typename\n    }\n    url_slug\n    released_at\n    updated_at\n    comments_count\n    tags\n    is_private\n    likes\n    __typename\n  }\n}\n"
  }

• response :

  {
   "data":
   {
     "posts": [
         {
           "id": String,
           "title": String,
           "short_description": String,
           "thumbnail": String,
           "url_slug": String,
           "released_at": LocalDateTime
           "updated_at": LocalDateTime
           "comments_count": int,
           "tags": [String, .. ],
           "is_private": boolean,
           "likes": int,
           "__typename": String
         },
         {}
      ]
   }
  }

3. 글 내용 조회

• request :

  {
    "operationName":"ReadPost",
    "variables":{
       "username":username,
       "url_slug":url_slug
     },
     "query":"query ReadPost($username: String, $url_slug: String) {\n  post(username: $username, url_slug: $url_slug) {\n    id\n    title\n    released_at\n    updated_at\n    tags\n    body\n    short_description\n    is_markdown\n    is_private\n    is_temp\n    thumbnail\n    comments_count\n    url_slug\n    likes\n    liked\n    user {\n      id\n      username\n      profile {\n        id\n        display_name\n        thumbnail\n        short_bio\n        profile_links\n        __typename\n      }\n      velog_config {\n        title\n        __typename\n      }\n      __typename\n    }\n    comments {\n      id\n      user {\n        id\n        username\n        profile {\n          id\n          thumbnail\n          __typename\n        }\n        __typename\n      }\n      text\n      replies_count\n      level\n      created_at\n      level\n      deleted\n      __typename\n    }\n    series {\n      id\n      name\n      url_slug\n      series_posts {\n        id\n        post {\n          id\n          title\n          url_slug\n          user {\n            id\n            username\n            __typename\n          }\n          __typename\n        }\n        __typename\n      }\n      __typename\n    }\n    linked_posts {\n      previous {\n        id\n        title\n        url_slug\n        user {\n          id\n          username\n          __typename\n        }\n        __typename\n      }\n      next {\n        id\n        title\n        url_slug\n        user {\n          id\n          username\n          __typename\n        }\n        __typename\n      }\n      __typename\n    }\n    __typename\n  }\n}\n"
  }

• response :

  {
    "data":{
       "post":{
          "id": String,
          "title": String,
          "released_at": LocalDateTime,
          "updated_at": LocalDateTime,
          "tags":[String, ...],
          "body": String, // 본문 내용
          "short_description": String,
          "is_markdown": boolean,
          "is_private": boolean,
          "is_temp": boolean,
          "thumbnail": String,
          "comments_count": int,
          "url_slug": String,
          "likes": int,
          "liked": boolean,
          "comments":[],
          "series":{
             "id": String,
             "name": String
          }
       }
    }
  }