Store hash values in url

Question

Rails 5.0.0.rc1
Ruby 2.2.5 (can update to latest)

I'd like to think this is possible. I'm making a get request that when a field is selected then the user presses the next button, it goes to another page and that page's url looks like:

http://localhost:3000/food/r/new?utf8=%E2%9C%93&id=2&food=Apple&commit=Next

This looks ugly, to me. Could it be more nicer to look like this:

http://localhost:3000/food/r/new/<some_random_short_string/<name-of-page>

I'd imagine the some_random_short_string would be a hash then in the controller would have something like:

hash = params[:some_random_short_string]
hash[:food] #=> "Apple"
etc...

Not sure how to go about this. Any pointers, please?

@seph Not really. I may end up, in the url, with many field names. — Sylar
– Sylar, Commented Jun 5, 2016 at 7:40
Hashing (using MD5 or SHA1) is a one-way trip. You hashes your original data, and you never get them back. — Aetherus
– Aetherus, Commented Jun 5, 2016 at 7:53
@Aetherus I have figured, thanks. Found a simple way for this. I forgot the difference between get and post ;) — Sylar
– Sylar, Commented Jun 5, 2016 at 7:59

Sylar · Accepted Answer · 2016-06-05 07:58:03Z

1

Rather than deleting my question, I'll answer it as I will come back to it one day.

'get' exposes data in the url so I went for post. No need for a hash just use params to store the values.

Once page is submitted, the url will look like: http://localhost:3000/food/r/new. In the controller, you use your params:

@selected_food = params[:food]

new.html.erb:

<%= @selected_food %> #=> Apple

answered Jun 5, 2016 at 7:58

Sylar

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