KORAIL_STORE

[API] GET /api/pos/point_use_cancel

1.To-be
  1) don't check access_token (permit all)
  2) parameters
    a) use_point_seq : 사용포인트번호 (integer)
    b) id : 사용자ID (string)
    c) mall_code : 쇼핑몰코드 (string)
    d) use_point : 사용포인트 (integer)
  3) logic
    3-1) validate
      a) get DB (st_user_use_point) by use_point_seq
      b) if no data, 400 error
        - "errorCode": "common.error.wrongField",
        - "message" : "{0}가 일치하지 않습니다."
        - {0}: "사용포인트번호"
      c) if data exists
        c-1) if id param is not same with st_user_use_point.user_seq's id, 400 error
          - {0}: "사용자ID"
        c-2) if mall_code param is not same with st_user_use_point.mall_code, 400 error
          - {0}: "쇼핑몰코드"
        c-3) if use_point param is not same with st_user_use_point.use_point, 400 error
          - {0}: "사용포인트"
    3-2) process
      - same as current