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POAdding nested attributes to devise user model
 

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  1. POAdding nested attributes to devise user model
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    <p>At first glance it would seem this question has been answered before, but not on my case (most are related to mass assignment issues and/or mongoid.) I have not been able to find an answer even though there are plenty somewhat related questions here.</p> <p>So basically I'm using the devise gem for user authentication on a ruby on rails application and I want to add a nested address model to the user model. I'm also using simple_form to generate the form views.</p> <p>I have a user model:</p> <pre><code>class User &lt; ActiveRecord::Base has_and_belongs_to_many :roles has_one :address accepts_nested_attributes_for :address, :allow_destroy =&gt; true end </code></pre> <p>This is the address model:</p> <pre><code>class Address &lt; ActiveRecord::Base belongs_to :country belongs_to :state belongs_to :user attr_accessible :street1, :street2, :country_id, :state_id, :city, :postalCode end </code></pre> <p>This is the Users controller, which I overrode in order to add a show action to display user profile.</p> <pre><code>class Users::RegistrationsController &lt; Devise::RegistrationsController def new resource = build_resource({}) resource.build_address respond_with resource end # POST /resource def create resource = build_resource(params[:user]) if resource.save if resource.active_for_authentication? set_flash_message :notice, :signed_up if is_navigational_format? sign_up(resource_name, resource) respond_with resource, :location =&gt; after_sign_up_path_for(resource) else set_flash_message :notice, :"signed_up_but_#{resource.inactive_message}" if is_navigational_format? expire_session_data_after_sign_in! respond_with resource, :location =&gt; after_inactive_sign_up_path_for(resource) end else clean_up_passwords resource respond_with resource end end def show @user = User.find(params[:id]) #Add to view count if not viewing own user profile if @user != current_user @user.views += 1 @user.save end @vehicles = Vehicle.where(:user_id =&gt; @user) respond_to do |format| format.html # show.html.erb format.json { render json: @user } end end end </code></pre> <p>This is the view for creating new users:</p> <pre><code>&lt;%= simple_form_for(resource, :as =&gt; resource_name, :url =&gt; registration_path(resource_name) ) do |f| %&gt; &lt;fieldset&gt; &lt;%= f.input :username, :required =&gt; false, :autofocus =&gt; true, placeholder: 'Pick a username' %&gt; &lt;%= f.input :email, :required =&gt; false, placeholder: 'Your email' %&gt; &lt;%= f.input :password, :required =&gt; false, placeholder: 'Create a password' %&gt; &lt;%= f.input :password_confirmation, :required =&gt; false, placeholder: 'Confirm your password' %&gt; &lt;%= f.association :roles, :as =&gt; :check_boxes, :label =&gt; "", :required =&gt; false %&gt; &lt;%= f.simple_fields_for :address do |a| %&gt; &lt;%= a.input :street1 %&gt; &lt;%= a.input :street2 %&gt; &lt;%= a.association :country %&gt; &lt;%= a.association :state %&gt; &lt;%= a.input :city %&gt; &lt;%= a.input :postalCode %&gt; &lt;% end %&gt; &lt;%= f.button :submit, 'Sign up for free', :class =&gt; 'btn btn-success btn-large' %&gt; &lt;/fieldset&gt; &lt;% end %&gt; </code></pre> <p><strong>So the error upon creating a new user is this: Address user can't be blank</strong></p> <p>Basically the foreign key user_id is not being set for address.</p> <p>I was hoping somebody can shed a little light on this issue.</p>
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    1. COhave you tried setting `:inverse_of` for user and address relation?
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    2. COanother way you could ensure `user_id` gets set is to `@address = @user.build_address` in the `UsersController#new` action and then in the form use `@address` as the object for the nested form. Keeping in mind that you'll be creating an address for every user no mater what.
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    3. COHi Andy! I took into account both suggestions. :inverse_of did nothing, same issue. Then I changed new action and view fields for as suggested and now I get the following exception: ActiveRecord::AssociationTypeMismatch in Users::RegistrationsController#create
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