def extract_comments(content, user_id)
      # Json format~
      # "content":"勇氣就是熱誠，來自於我們對自己工作的自信心；.....",
      # "title":"",
      # "status":"C",
      # "stars":"5",
      # "prodId":"11100597685",
      # "titleMain":"行銷之神原一平全集(精裝版)",
      # "orgProdId":"11100597685",
      # "pkNo":"1000243977",
      # "mdf_time":"2015/10/15",
      # "crt_time":"2015/10/15"
      #
      # orgProdId -> bookID -> 11100597685
      # title -> book title
      # content -> comment
      # comment_url
      # pkNo -> comment ID ->13313301
      #
      # http://www.taaze.tw/container_zekeaclt_view.html?co=1000238964&ci=12522728&cp=3
      # co->comment ci->user
      data_arr = []
      if content
        content.each do |cmtItem|
          data_hash_sub = Hash.new {}
          data_hash_sub['title'] = cmtItem['titleMain']
          data_hash_sub['comment'] = cmtItem['content']
          data_hash_sub['book_url'] = BOOK_URL + cmtItem['orgProdId']
          url = MAIN_URL + 'co=' + cmtItem['pkNo'] + '&ci=' + user_id + '&cp=3'
          data_hash_sub['comment_url'] = url
          data_hash_sub['crt_time'] = cmtItem['crt_time']
          data_arr.push(data_hash_sub)
        end
      else
        data_arr = []
      end
      @comments_found ||= data_arr
    end
def extract_comments(content, user_id)
      # Json format~
      # "content":"勇氣就是熱誠，來自於我們對自己工作的自信心；.....",
      # "title":"",
      # "status":"C",
      # "stars":"5",
      # "prodId":"11100597685",
      # "titleMain":"行銷之神原一平全集(精裝版)",
      # "orgProdId":"11100597685",
      # "pkNo":"1000243977",
      # "mdf_time":"2015/10/15",
      # "crt_time":"2015/10/15"
      #
      # orgProdId -> bookID -> 11100597685
      # title -> book title
      # content -> comment
      # comment_url
      # pkNo -> comment ID ->13313301
      #
      # http://www.taaze.tw/container_zekeaclt_view.html?co=1000238964&ci=12522728&cp=3
      # co->comment ci->user
      data_arr = []
      if content
        content.each do |cmtItem|
          data_hash_sub = Hash.new {}
          data_hash_sub['title'] = cmtItem['titleMain']
          data_hash_sub['comment'] = cmtItem['content']
          data_hash_sub['book_url'] = BOOK_URL + cmtItem['orgProdId']
          url = MAIN_URL + 'co=' + cmtItem['pkNo'] + '&ci=' + user_id + '&cp=3'
          data_hash_sub['comment_url'] = url
          data_hash_sub['crt_time'] = cmtItem['crt_time']
          data_arr.push(data_hash_sub)
        end
      else
        data_arr = []
      end
      @comments_found ||= data_arr
    end
Return the comments in the format specified in spec.