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PORails Devise Polymorphic - Get Render Partial Using Ajax
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  1. PORails Devise Polymorphic - Get Render Partial Using Ajax
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    copied!<p>I have implement devise registration with multiple model from <a href="https://stackoverflow.com/a/7312205/1297435">this answer</a>. This tuts get params <code>user_type</code> from path. I want to change this with select <code>user_type</code>. So a param user_type will get when I select a value on <code>select_tag</code>.</p> <p>I have some code looks like :</p> <p><strong>routes.rb</strong></p> <pre><code> namespace :cp do devise_scope :user do match '/add_user' =&gt; 'registrations#new' match '/select/admin' =&gt; 'registrations#selectuser', :user =&gt; { :usertype =&gt; 'admin' } match '/select/player' =&gt; 'registrations#selectuser', :user =&gt; { :usertype =&gt; 'player' } end end </code></pre> <p><strong>registrations_controller.rb</strong></p> <pre><code> def selectuser respond_to do |format| format.js end end </code></pre> <p><strong>new.html.erb</strong></p> <pre><code>&lt;h2&gt;Add User&lt;/h2&gt; &lt;%= form_for(resource, :as =&gt; resource_name, :url =&gt; registration_path(resource_name)) do |f| %&gt; &lt;%= devise_error_messages! %&gt; &lt;div&gt;&lt;%= f.label :username, "Username" %&gt;&lt;br /&gt; &lt;%= f.text_field :username %&gt;&lt;/div&gt; &lt;div&gt;&lt;%= f.label :email, "Email" %&gt;&lt;br /&gt; &lt;%= f.email_field :email %&gt;&lt;/div&gt; &lt;div&gt;&lt;%= f.label :password, "Password" %&gt;&lt;br /&gt; &lt;%= f.password_field :password %&gt;&lt;/div&gt; &lt;div&gt;&lt;%= f.label :password_confirmation, "Password Confirmation" %&gt;&lt;br /&gt; &lt;%= f.password_field :password_confirmation %&gt;&lt;/div&gt; &lt;div&gt;&lt;%= f.label :usertype, "Select User Type" %&gt;&lt;br /&gt; &lt;%= f.select(:usertype, options_for_select([['-- User Type --', nil], ['Admin', 'admin'], ['Player', 'player']], selected: '-- User Type --' )) %&gt; &lt;/div&gt; &lt;div id="selectuser"&gt; &lt;/div&gt; &lt;% end %&gt; &lt;div&gt;&lt;%= f.submit "Submit" %&gt;&lt;/div&gt; &lt;% end %&gt; &lt;script type="text/javascript"&gt; $("#user_usertype").on('change', function() { var s = $(this).val(); $.ajax({ type: 'GET', url: 'http://localhost:3000/cp/select/' + s, dataType: "HTML" }); }); &lt;/script&gt; </code></pre> <p><strong>selectuser.js.erb</strong></p> <pre><code>&lt;% params[:user][:usertype] ||= 'admin' if ["admin", "player"].include? params[:user][:usertype].downcase child_class_name = params[:user][:usertype].downcase.camelize usertype = params[:user][:usertype].downcase else child_class_name = "Admin" usertype = "admin" end nesteds = fields_for child_class_name.constantize.new do |rf| render :partial =&gt; child_class_name.underscore + '_fields', :locals =&gt; {:f =&gt; rf} end %&gt; $("#selectuser").append("&lt;%= j nesteds %&gt;"); </code></pre> <p>When I select admin value, log :</p> <pre><code>Started GET "/cp/select/admin" for 127.0.0.1 at 2013-10-21 17:00:04 +0700 Processing by Cp::RegistrationsController#selectuser as HTML Parameters: {"user"=&gt;{"usertype"=&gt;"admin"}} Rendered cp/registrations/_admin_fields.html.erb (4.0ms) Rendered cp/registrations/selectuser.js.erb (7.0ms) Completed 200 OK in 22ms (Views: 22.0ms | ActiveRecord: 0.0ms) </code></pre> <p>But <code>_admin_fields.html.erb</code> not appear on <code>#selectuser</code></p>
 

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