命名相同的Rails多个参数

Question

I'm working with a web service that will route a user back to my site and may append parameters about the user (I know this is poor form, but they send multiple parameters back that are the same parameter with different data). Say they collected information about what kinds of pets the user has. They'd send it back in the format of:

&STANDARD_PETS=1&STANDARD_PETS=3&STANDARD_PETS=4&STANDARD_PETS=8

In Rails, we seem to only grab the final parameter. So I see parameters: {"STANDARD_PETS"=>"8"}

Is there any way in rails to also get the other 3 STANDARD_PETS parameters that are passed in?

Answer 1

require 'uri'

url = 'http://www.foo.com?&STANDARD_PETS=1&STANDARD_PETS=3&STANDARD_PETS=4&STANDARD_PETS=8'
CGI.parse(URI.parse(url).query)
#=> {"STANDARD_PETS"=>["1", "3", "4", "8"]}

Answer 2

To supplement @MilesStanfield's answer

You can use request.original_url to get access to the full url (including parameters)

require 'uri'
good_params = CGI.parse(URI.parse(request.original_url).query)