Has_and_belongs_to_many form with check_box

rubyonrails-talk
1

Hi,

I have 2 models, user and project. When I edit my profile I wan't to check the projects I wan't to follow. So here is my code:

<% form_for @user do |f| %> ...   <% for project in @projects %>     <% fields_for "user[project_attributes]", project do

project_form| %>

      <li>         <%= project_form.check_box "checked", {:checked => @user.project_ids.include?(project.id)} %><label><%= project.name %></label>       </li>     <% end %>   <% end %> ... <% end %>

I think the form is correct but the model and controller part is not very clear...

Here is the log: "user"=>{"project_attributes"=>{"1"=>{"checked"=>"1"}, "2"=>{"checked"=>"1"}, "3"=>{"checked"=>"0"}, "4"=>{"checked"=>"0"}, "5"=>{"checked"=>"0"}}, "password_confirmation"=>"[FILTERED]", "password"=>"[FILTERED]"

The project_attributes is really messy and I have to parse the hash to get selected projects.

There must be a cleaner way??

Greg

2

You seen this?

http://asciicasts.com/episodes/17-habtm-checkboxes

Seems like you would want to use something like: @product.categories.include?(category)

except you would be like @user.projects.include?(project)