Class: RedditPostToMarkdown::RedditClient

Inherits:
Object
  • Object
show all
Includes:
HTTParty
Defined in:
lib/reddit_post_to_markdown/reddit_client.rb

Overview

Fetches Reddit post JSON via the public Reddit API.

Requests are made without authentication using Reddit’s .json endpoint, which is available for any public post.

Constant Summary collapse

USER_AGENT = 
"RedditPostToMarkdown/#{VERSION} (Safe Download Bot)"

Instance Method Summary collapse

Instance Method Details

#fetch_post(url) ⇒ Array

Downloads the JSON data for a Reddit post URL.

Appends .json to url (unless already present) and issues a GET request. Reddit returns a two-element array: the first element contains the post data and the second contains the top-level comments.

Parameters:

  • url (String) —

    a cleaned Reddit post URL (no trailing slash, no query parameters)

Returns:

  • (Array) —

    the parsed two-element JSON response from Reddit

Raises:



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# File 'lib/reddit_post_to_markdown/reddit_client.rb', line 26

def fetch_post(url)
  json_url = url.end_with?(".json") ? url : "#{url}.json"

  response = self.class.get(json_url, headers: { "User-Agent" => USER_AGENT })

  raise FetchError, "HTTP #{response.code} fetching #{url}" unless response.success?

  data = response.parsed_response

  unless data.is_a?(Array) && data.length >= 2
    raise InvalidResponseError, "Expected a 2-element JSON array from #{url}"
  end

  data
end