Advanced filter: uninitialized constant Wf

[tonymarschall]

I try to use will_filter with a custom filter (like in will_filter_example) but get error "uninitialized constant Wf".

My setup:

# controller index
Task.filter(:params => params, :filter => :timeentry_filter)

# filter under /app/models/filter/task_filter.rb
class TaskFilter < Wf::Filter
...
end

# application.rb
config.autoload_paths += Dir[Rails.root.join('app', 'models', '{**}')]

Like described in readme i have setup will_filter in my Gemfile. Seems like will_filter_example will_filter is setup as plugin. Are there more setup steps necessary?

Sorry for spamming your issue queue...

[tonymarschall]

Seems like WF is now WillFilter. Its working with class TaskFilter < WillFilter::Filter

[bhushangahire]

Same issue with me. Its not working for me with Rails 3.1.3. Is there anything else you did?

[tonymarschall]

Its working for me on Rails 3.2.3 with this setup:

# app/controllers/user_controller.rb
class UsersController < ApplicationController
  def index
    @users = User.filter(:params => params, :filter => :user_filter)
...

# app/models/filters/user_filter.rb
class UserFilter < WillFilter::Filter
  def model_class
    User
  end
...

# app/views/user/index.html.erb
<%= will_filter_tag(@users) %>
<%= will_filter_table_tag(@users) %>

# config/application.rb
config.autoload_paths += Dir[Rails.root.join('app', 'models', '{**}')]

# Gemfile
gem 'will_filter', "~> 3.1.0" 
gem 'kaminari'

[bhushangahire]

Still not working for me with above setup can you post your Gemfile settings as well.

[tonymarschall]

Added my gemfile settings to previous comment.

The base setup is like in readme:

# Add the following gems to your Gemfile:
gem 'will_filter', "~> 3.1.0" 
gem 'kaminari'
# And run:
$ bundle
# To configure and initialize will_filter engine, run the following commands:
$ rails generate will_filter  
$ rake db:migrate
# At the top of your routes.rb file, add the following line:
mount WillFilter::Engine => "/will_filter"

[bhushangahire]

Ok thanks, I think its breaking because of some other gem. I created it
with new application and its working fine, but not with my application.

I am getting below error.

RuntimeError in Will_filter/filter#index

Showing /usr/share/ruby-rvm/gems/ruby-1.9.2-p290@wgs_rails3/gems/will_filter-3.1.6/app/views/will_filter/filter/_conditions_header.html.erb
where line #2 raised:

Called id for nil, which would mistakenly be 4 -- if you really wanted the
id of nil, use object_id

Extracted source (around line #2):

1:

2: <%= hidden_field_tag(:wf_id, wf_filter.id) %>
3: <%= hidden_field_tag(:wf_type, wf_filter.class.name) %>
4: <%= hidden_field_tag(:wf_dirty, "false") %>
5: <%= hidden_field_tag(:wf_submitted, "false") %>

On Tue, Apr 17, 2012 at 5:56 PM, Tony Marschall <
reply@reply.github.com

wrote:

Added my gemfile settings to previous comment.

The base setup is like in readme:

Add the following gems to your Gemfile:

gem 'will_filter', "~> 3.1.0"
gem 'kaminari'

And run:

$ bundle

To configure and initialize will_filter engine, run the following

commands:
$ rails generate will_filter
$ rake db:migrate

At the top of your routes.rb file, add the following line:

mount WillFilter::Engine => "/will_filter"

---

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#14 (comment)

Bhushan Ahire
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[ebeweber]

@bhushangahire: Did you ever figure anything out? I have recently come across an error almost identical to the one described.

[bhushangahire]

I dont remember right now. But I think some other gem is causing this issue. I also created my fork with some dynamic changes and I am using same.