google-drive-ruby with oauth sample

gistfile1.rb

require 'google_drive'
require 'oauth2'
require 'json'
require 'pry'

# create in https://code.google.com/apis/console/
@client_id = ""
@client_secret = ""
@redirect_uri = "urn:ietf:wg:oauth:2.0:oob"

@file = "db.json"

def client
  if @client_id.empty?
    puts "First you need to create oauth client information in https://code.google.com/apis/console/"
    exit 1
  end

  OAuth2::Client.new(
    @client_id, @client_secret,
    :site => "https://accounts.google.com",
    :token_url => "/o/oauth2/token",
    :authorize_url => "/o/oauth2/auth")
end

def authorize
  auth_url = client.auth_code.authorize_url(
    :redirect_uri => @redirect_uri,
    :scope =>
      ["https://docs.google.com/feeds/",
       "https://docs.googleusercontent.com/",
       "https://spreadsheets.google.com/feeds/"].join(" "))

  puts "Access in your browser: #{auth_url}"
  print "And please input authorization code: "
  authorization_code = $stdin.gets

  auth_token = client.auth_code.get_token(
    authorization_code, :redirect_uri => @redirect_uri)

  puts "access  token: #{auth_token.token}"
  puts "refresh token: #{auth_token.refresh_token}"
  token_hash = {
    :access_token => auth_token.token,
    :refresh_token => auth_token.refresh_token,
    :expires_at => auth_token.expires_at,
  }

  open(@file, 'w'){|f| f.print token_hash.to_json }
  puts "write token information in #{@file}"
end

def login
  token_hash = JSON.parse(File.read(@file))
  access_token = OAuth2::AccessToken.from_hash(client, token_hash.dup)
  access_token.refesh! if Time.now.to_i > access_token.expires_at
  session = GoogleDrive.login_with_oauth(access_token)
end

if ARGV[0]
  session = login
  # ... write what you want using google drive session
else
  authorize
end

Line 56 has a typo when calling the refresh! method on access_token.

There's an "r" missing. So the line should read:
access_token.refresh! if Time.now.to_i > access_token.expires_at
vs
access_token.refesh! if Time.now.to_i > access_token.expires_at

Otherwise 👍