Polymorphic model path problems

rubyonrails-talk
1

I have a credentials_controller and Credential model. The Credential model is an STI structure with a number of classes inheriting it. For example:

class CredWebsite1 < Credential

When I try to do the index command in the credentials controller, it gives the error undefined method

2

becomes(klass)

Returns an instance of the specified klass with the attributes of the current record. This is mostly useful in relation to single-table inheritance structures where you want a subclass to appear as the superclass. This can be used along with record identification in Action Pack to allow, say, Client < Company to do something like render :partial => @client.becomes(Company) to render that instance using the companies/company partial instead of clients/client.

Note: The new instance will share a link to the same attributes as the original class. So any change to the attributes in either instance will affect the other.

In your case: link_to 'Show', credential.becomes(Credential)

You may also decide to have your controller specify the class instead, there is probably a clean way but I don't know it off the top of my head.

- Daniel strd6.com

3

Thanks! That is exactly what I was looking for. Works like a charm.

Jonathan