Create a medium post from a GitHub flavored markdown file

medium-draft.rb

#!/usr/bin/env ruby
#
# Usage: medium-draft TOKEN FILENAME
# Where TOKEN is a medium integration token and FILENAME is the path to the
# markdown file you'd like to post
#
# Get your token from https://medium.com/me/settings (integration tokens section)
#
# This requires httparty and redcarpet
# Install with:
#   [sudo] gem install httparty redcarpet
#

require "httparty"
require "redcarpet"


raise "Usage: medium-draft TOKEN MARKDOWN_FILENAME" unless ARGV.count == 2
token = ARGV.first
filename = ARGV.last

def get_headers(token)
  return {
    "Content-Type" => "application/json",
    "Accept" => "application/json",
    "Authorization" => "Bearer #{ token }",
  }
end

def get_user_id(token)
  response = HTTParty.get("https://api.medium.com/v1/me", {
    headers: get_headers(token)
  })

  if response.code == 200
    return response.parsed_response["data"]["id"]
  else
    abort "Failed to get user ID: #{ response.code } #{ response.parsed_response }"
  end
end

def create_draft(user_id, token, filename)
  url = "https://api.medium.com/v1/users/#{ user_id }/posts"
  renderer = Redcarpet::Markdown.new(Redcarpet::Render::HTML,
                                     fenced_code_blocks: true)
  html = renderer.render(File.read(filename))
  args = {
    headers: get_headers(token),
    body: {
      title: filename,
      contentFormat: "html",
      content: html,
      publishStatus: "draft",
    }.to_json,
  }

  response = HTTParty.post(url, args)
  if response.code.between?(200, 299)
    puts "Success"
  else
    abort "Failure: #{ response.code } #{ response.parsed_response }"
  end
end

user_id = get_user_id(token)
create_draft(user_id, token, filename)