Rails 4 support

[ai]

Ruby on Rails 4 is now beta and will be released very soon.

It will be nice, if RailsAdmin will support Rails 4.

Now RailsAdmin is locked on rails ~> 3.1. Is it code dependency, which need real strong refactoring?

[gunn]

Yeah it needs real work, more than just bumping that number up. Want to have a crack at it in new branch?

[ai]

Maybe you already have a list of problems?

[gunn]

I just tried updating the Gemfile and there were enough problems that it didn't look trivial.
If you get started, I'll try to help out, else I'll probably have a go sometime later.

Strong parameters is the first problem.

[ai]

I create really painful hacks, but RailsAdmin work with (and only with) my project :).

I can create real fixes only later. But today I can write problem places, that I found.

[ai]

My problems with Rails 4:

1. lib/rails_admin/config.rb:206: Rails now doesn’t have Rails::Application::Railties.engines.
2. All assets path goes with engine base URL (like admin/assets/rails_admin.js).
3. lib/rails_admin/config/model.rb:59: need abstract_model.model.model_name.to_s.demodulize.underscore.
4. Attributes access in lib/rails_admin/adapters/active_record/abstract_object.rb:19 and lib/rails_admin/config/fields/base.rb:218.

[gunn]

Do you mean you have rails_admin working with your rails 4 project?
Your hacks might be useful to see. Post what you have anyway.

If I have time I might make a start tomorrow

[ai]

Yeap, rails4 branch run with Rails 4 project, can create/edit and delete records. I don’t run the tests and hacks are really rude and immoral :).

[gunn]

Cool, that's a good start

[pboling]

@ai & @gunn there is a pull request to rails to fix the asset path problem.

[gbmoretti]

Anyone have news about the Rails 4 support?

[PikachuEXE]

@gbmoretti Maybe wait until beta2 or rc1 is out...

[gbmoretti]

I'm trying that, and as well as @ai I have an application running with Rails 4 and rails_admin but tests don't pass.
Almost all errors concerning to the rails internal gems...
Maybe it's better wait for a stable version, indeed.

[davebrace]

Any chance we could start a Rails-4.0 branch to start work on migrating rails_admin to support Rails 4? I spent a few hours trying to update rails_admin to work against 4.0, but its still a work in progress. I would love to make it a communal effort.

[bbenezech]

I added a rails-4 branch, feel free to send PR ;)

[smidwap]

Just fired up the rails-4 branch on my app. I'm getting the following exception when trying to create a new record (e.g. /admin/groups/new)

undefined method `active_authorizer' for #<Class:0x007fac92ad2af0>

Looking at the rails_admin code, it appears as though there is a dependency on rails 3 mass assignment security (i.e. attr_accessible). The issue is that active_authorizer (which is a mass assignment Rails method) no longer exist in rails 4. The method is used to not display an attribute's form field if the attr_accessible does not permit mass assignment of that attribute.

Would it be reasonable to remove this feature?

[smidwap]

Actually, the feature doesn't need to be removed entirely. Just the only way to make an attribute read_only would be via rails_admin config. See https://github.com/sferik/rails_admin/blob/rails-4/lib/rails_admin/config/fields/base.rb#L217

[mshibuya]

While working on Mongoid Rails4 support, I've come up with a question:
May I cut off a support for Rails3(ActiveModel::MassAssignmentSecurity) style protection, or should try to support both of Rails4(ActiveModel::ForbiddenAttributesProtection) and Rails3 style protections?

Keeping backward compatibility is always good thing, but it might introduce some complexity to the logics.
How do you guys think of this?

[smidwap]

Can't be sure, but I doubt mass assignment will be popular amongst Rails 4 developers. It's not a Rails default, and there's a suitable (arguably much better) replacement.

What relies on mass assignment beyond disabling form inputs for fields that can't be mass assigned?

[bbenezech]

It was a way to allow for column configuration through the mass assignement role.

We should ditch it and replace it with custom cancan verbs.

[jipiboily]

Adding my 2 cents here, for what's it worth ;)

I think you should go with Strong Parameter. Rails 3.2 apps can just add strong_parameter gem AFAIK and it would work out of the box.

[PikachuEXE]

I am using strong_parameters already (Rails 3.2)
Hope other gems like devise would support it officially soon

[jipiboily]

@PikachuEXE you can monkey patch devise for now if you want: http://stackoverflow.com/questions/15520151/rails-4-authentication/15627422#15627422.

[PikachuEXE]

@jipiboily I am using custom controllers anyway
So I just need to override resource_params

[fellz]

Still no Rails 4 support when do you plan to add it ?

[mshibuya]

RailsAdmin 'rails-4' branch works nicely with Rails 4.0.0.rc1 now.
All specs pass both for AR and Mongoid.

[fellz]

Didn't work with jquery-rails 3.0.0
Bundler could not find compatible versions for gem "jquery-rails":
In Gemfile:
rails_admin (>= 0) ruby depends on
jquery-rails (~> 2.1) ruby

jquery-rails (3.0.0)

Installed 2.3.0 version and then it works fine.

[mshibuya]

I've merged master into rails-4 branch.
'jquery-rails' version locking is fixed now(though travis is failing due to font-awesome issue, which I can't reproduce locally...).

[ai]

With latest rails-4 patch catch File to import not found or unreadable: font-awesome. Fix it by extra gem 'font-awesome-sass-rails' in Gemfile.

[mshibuya]

Found the cause: seems to be sass-rails issue(ref. rails/sass-rails#139)
Locking sass-rails to github master by adding

gem 'sass-rails', github: 'rails/sass-rails'

to Gemfile worked.
Travis is passing again now :)

[swistaczek]

Problem with install rake task:

➜  rails g rails_admin:install
           -  Hello, RailsAdmin installer will help you set things up!
           -  I need to work with Devise, let's look at a few things first:
           -  Checking for a current installation of devise...
           -  Found it!
           -  Looks like you've already installed it, good!
           ?  Where do you want to mount rails_admin? Press <enter> for [admin] > admin
        gsub  config/routes.rb
       route  mount RailsAdmin::Engine => '/admin', :as => 'rails_admin'
           -  And you already set it up, good! We just need to know about your user model name...
           -  We found 'user' (should be one of 'user', 'admin', etc.)
           ?  Correct Devise model name if needed. Press <enter> for [user] > user
           -  Ok, Devise looks already set up with user model name 'user':
           -  Now you'll need an initializer...
           -  You already have a config file. You're updating, heh? I'm generating a new 'rails_admin.rb.example' that you can review.
      create  config/initializers/rails_admin.rb.example
NameError: uninitialized constant Rails::Application::Railties

irb(main):001:0> RailsAdmin::AbstractModel.all.map{|am| "'#{am.model}'" }.join(', ')
NameError: uninitialized constant Rails::Application::Railties
    from /Users/ernest.bursa/.rvm/gems/jruby-1.7.4/bundler/gems/rails_admin-3a64340da87a/lib/rails_admin/config.rb:206:in `models_pool'
    from /Users/ernest.bursa/.rvm/gems/jruby-1.7.4/bundler/gems/rails_admin-3a64340da87a/lib/rails_admin/abstract_model.rb:12:in `all'

[mshibuya]

@swistaczek
That does not appear to be a RailsAdmin specific issue.
http://stackoverflow.com/questions/14527816/myappapplicationrailties-constant-missing-with-rails-4-beta-and-jruby-jruby

[swistaczek]

@mshibuya I updated to bleeding edge rails version (master) and I also tried to use dirty patch

Rails::Engine.class_eval do
  def railties
    @railties ||= self.class.const_get(:Railties).new
  end
end

but without any effect.

Gemfile:

gem 'rails', github: 'rails/rails'
gem 'rails_admin', git: 'git://github.com/swistaczek/rails_admin.git', branch: 'rails-4'

Running generator:

➜ git:(master) ✗ rails g rails_admin:install
           -  Hello, RailsAdmin installer will help you set things up!
           -  I need to work with Devise, let's look at a few things first:
           -  Checking for a current installation of devise...
           -  Found it!
           -  Looks like you've already installed it, good!
           ?  Where do you want to mount rails_admin? Press <enter> for [admin] > 
        gsub  config/routes.rb
       route  mount RailsAdmin::Engine => '/admin', :as => 'rails_admin'
           -  And you already set it up, good! We just need to know about your user model name...
           -  We found 'user' (should be one of 'user', 'admin', etc.)
           ?  Correct Devise model name if needed. Press <enter> for [user] > 
           -  Ok, Devise looks already set up with user model name 'user':
           -  Now you'll need an initializer...
      create  config/initializers/rails_admin.rb
NameError: uninitialized constant Rails::Application::Railties

[mshibuya]

@swistaczek
Fixed by 08f15db.

@sferik
We're ready to release master as 0.5.0! 🚢

[novito]

Hi guys,

I see you have merged rails4 branch into master, but keep getting errors when trying to bundle install:

Gemfile looks like this:

gem 'rails_admin', github: 'swistaczek/rails_admin'

And error goes like:

Bundler could not find compatible versions for gem "rails":
  In Gemfile:
    rails_admin (>= 0) ruby depends on
      rails (~> 3.1) ruby

    rails (4.0.0)

Any thoughts on this?

[davebrace]

@novito have you tried a bundle update rails_admin? When you have a github reference like that, you are locked into a specific revision I believe. If you run the bundle update it should update the revision lock to the latest commit.

[novito]

@davebrace interesting:

I did bundle update rails_admin, and I got

Could not find gem 'rails_admin'

I removed the Gemfile.lock, run bundle install and got:

Bundler could not find compatible versions for gem "coffee-rails":
  In Gemfile:
    rails_admin (>= 0) ruby depends on
      coffee-rails (~> 3.1) ruby

    coffee-rails (4.0.0)

Are you guys seeing something similar?

[novito]

Ok. I was pointing to 'swistaczek' fork instead of 'sferik'. The bundle install worked fine after changing that.

Sorry guys.

[wstan77]

after writing 'bundle exec rake db:migrate' I get the following message

Admin does not respond to 'devise' method. This usually means you haven't loaded your ORM file or it's being loaded too late. To fix it, be sure to require 'devise/orm/YOUR_ORM' inside 'config/initializers/devise.rb' or before your application definition in 'config/application.rb'

I have the version 4 of rails

[mshibuya]

@wstan77 Your devise configuration is wrong. Not an issue with RailsAdmin.

[wstan77]

I found and what was the mistake, thanks :)

[wstan77]

Hi guys!.... I am a beginner in rails and when I enter my password I get the following error:

ActiveModel::ForbiddenAttributesError in Devise::RegistrationsController#create
ActiveModel::ForbiddenAttributesError

I have installed rails 4 and rails_admin however, in rails 3 does not give me any errors!

[mshibuya]

@wstan77 Please do not use the issue tracker for a support request.
Use StackOverflow instead.

[davidwparker]

Note that the wiki docs are really old. This page https://github.com/sferik/rails_admin/wiki/CarrierWave still uses attr_accessible. It would be nice to know what the current methodology for deleting an image is in Rails 4+. Cheers!