class Argosnap::Fetch

Given username and a password, fetch balance from www.tarsnap.com

Public Instance Methods

balance() click to toggle source

Fetch balance from tarsnap using

# File lib/argosnap/balance.rb, line 33
def balance
  check_configuration
  agent         = Mechanize.new
  page          = agent.get('https://www.tarsnap.com/account.html')
  form          = page.form_with(action: 'https://www.tarsnap.com/manage.cgi')
  form.address  = config.data[:email]
  form.password = config.data[:password]
  panel         = agent.submit(form)
  check_login_errors(panel)
  picodollars = panel.parser.to_s.scan(/\$\d+\.\d+/)[0].scan(/\d+\.\d+/)[0].to_f.round(4) 
  config.logger.info("Current amount of picoUSD: #{picodollars}")
  picodollars
end
check_configuration() click to toggle source

Elementary configuration file check

# File lib/argosnap/balance.rb, line 10
def check_configuration
  Install.new.ensure_compatibility
  Install.new.ensure_installation
  if config.data[:email].empty?
    config.log_and_abort("Please add your tarsnap email to #{config}")
  end
  if config.data[:password].empty?
    config.log_and_abort("Please add your tarsnap password to #{config}")
  end
end
check_login_errors(data) click to toggle source

check for login errors

# File lib/argosnap/balance.rb, line 22
def check_login_errors(data)
  wrong_email_message = 'No user exists with the provided email address; please try again.'
  wrong_password_message = 'Password is incorrect; please try again.'
  if data.body.include?(wrong_email_message)
    config.log_and_abort('Password is incorrect; please try again.')
  elsif data.body.include?(wrong_password_message)
    config.log_and_abort('Bad password. Please check your configuration file tarsnap password!')
  end
end

Private Instance Methods

config() click to toggle source

load configuration files

# File lib/argosnap/balance.rb, line 51
def config 
  Configuration.new
end