acts_as_versioned conflicts?

rubyonrails-talk
1

Dear list, At the moment I am building a simple RESTful wiki. For this I am using Edge Rails. I have a simple Page model which has a couple of associations and acts_as_*. One of them is acts_as_versioned and that one is misbehaving. I should be able to call something like: Page.find_versions(14), this should return an array of Pages, each a different version. However it returns an array with elements of the Page::Version class(OK I can live with this). Also;

p = Page.find(:first) p.find_version(1)

Raises an error: NoMethodError: undefined method `find_version' for #<Page:0x34f57b0>         from /*/vendor/rails/activerecord/lib/active_record/ attribute_methods.rb:205:in `method_missing'         from (irb):54 And that is correct:

p.methods.sort.select {|m| m=~/find/}

=>

I am pretty sure I got everything right as I copied most of it from Rails Recipes. The Page model looks like this:

class Page < ActiveRecord::Base   acts_as_versioned   self.non_versioned_columns << 'project_id' << 'project_user_id' << 'locked_by' << 'locked_at' << 'created_at' << 'updated_at'   acts_as_tree #POSSIBLE CONFLICT

  belongs_to :project   belongs_to :project_user

  validates_presence_of :title, :text, :project_user, :project

end

Am I doing something really dumb? Thanks for any help!

2

Just to loop back on my own post. I no longer believe it is a confict. A clean Rails 1.2.5 project with only acts_as_versioned also failed to find the method 'find_version'. This leads me to believe the plugin is broken in that respect. Too bad.

3

It's a class method, not an instance method. If there was an instance method, it might have been removed since it's no longer necessary.

4

In that case the Rails Recipes book is wrong. I took recipe 20 and there they do something like:

chapter = Chapter.new

...

chapter.find_version(1).title

So what is the recommended way to get your hands on an old version? I am now using something like this:

@page = Page.find(params[:id]) version = Page.find_version(params[:id],params[:page][:version]) @page.revert_to(version)

This works but is hardly the way I would expect it to.