class_docstr: A class for handling connections and interactions with the Hacker News API.
code: def call_hackernews_api(
      self, method_name: str = None, params: dict = None
  ):
      story_method_handlers = {
          "get_top_stories": StoriesTable,
          "ask_hn_stories": HNStoriesTable,
          "get_job_stories": JobStoriesTable,
          "show_hn_stories": ShowStoriesTable,
      }
      if method_name in story_method_handlers:
          table = story_method_handlers[method_name]
          df = self.get_df_from_class(table)
      elif method_name == "get_comments":
          item_id = params.get("item_id")
          url = f"{self.base_url}/item/{item_id}.json"
          response = requests.get(url)
          item_data = response.json()
          if "kids" in item_data:
              comments_data = []
              for comment_id in item_data["kids"]:
                  url = f"{self.base_url}/item/{comment_id}.json"
                  response = requests.get(url)
                  comment_data = response.json()
                  comments_data.append(comment_data)
              df = pd.DataFrame(comments_data)
          else:
              df = pd.DataFrame()
      else:
          raise ValueError(f"Unknown method_name: {method_name}")
  
      return df
  
file_path: mindsdb/mindsdb/integrations/handlers/hackernews_handler/hn_handler.py
imports: import requests
  import pandas
  from mindsdb.utilities import log
  from mindsdb.utilities.config import Config
  from mindsdb_sql.parser import ast
  from mindsdb.integrations.libs.api_handler import APIHandler, APITable
  from mindsdb.integrations.libs.response import HandlerStatusResponse, HandlerResponse, RESPONSE_TYPE
  from .hn_table import StoriesTable, CommentsTable, HNStoriesTable, JobStoriesTable, ShowStoriesTable
label_desc: Use image node_id 6 for calling the HackerNewsHandler obj's underlying member method code with example usage: obj.call_hackernews_api(method_name, params) and returns: df