Ruby on Rails

On 12 June 2016 at 08:03, David Alejandro <lists@ruby-forum.com> wrote:
> I have this link in the view:
>
>
> <%= link_to "Pay in PayPal", @order.paypal_url(edit_order_url,
> payment_notification_url), class: "btn btn-success" %>
>
>
> And this in the model:
>
>
> class Order < ActiveRecord::Base
> def paypal_url(return_url, notify_url)
> # ... Do stuff
> self.update_attribute(:payment_in_process, true)
> # Do more stuff...
> end
>
> When I visit the view, the model gets its attribute updated. I do not
> want this. I only want the attribute updated if the link is clicked.
>
> Know how to accomplish this?

Separate out the code that generates the url from the code that
updates the database. Then run the update in the action that is
called when the link is clicked.

Colin

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