Class: Neoneo::Agent

Inherits:
WWW::Mechanize
  • Object
show all
Defined in:
lib/neoneo.rb

Overview

Wrapper around the WWW::Mechanize object to allow an easy and DRY error handling.

Ath the moment only the get, post and submit methods are subject of this error handling.

Instance Method Summary collapse

Instance Method Details

#get(url) ⇒ Object 



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# File 'lib/neoneo.rb', line 78

def get(url)
  page = super(url)
  handle_errors(page)
end

#handle_errors(page) ⇒ Object

This methos actually does the error handling.

When an error message is found in the response from No Kahuna it’s text determines which error is thrown. If the error message does not match any of the specific messages Neoneo tries to catch, a default Neoneo::Error is thrown.



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# File 'lib/neoneo.rb', line 99

def handle_errors(page)
  return page if page.instance_of? WWW::Mechanize::File
  
  errors = page.search('div#flash.error p').map {|e| e.innerText}
  errors.each do |error|
    case error
    when 'Invalid login or password.'
      raise AuthenticationError
    else
      raise Error.new(e)  
    end
  end
  
  page
end

#post(url, options = {}) ⇒ Object 



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# File 'lib/neoneo.rb', line 83

def post(url, options = {})
  page = super(url, options)
  handle_errors(page)
end

#submit(form) ⇒ Object 



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# File 'lib/neoneo.rb', line 88

def submit(form)
  page = super(form)
  handle_errors(page)
end