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PORails add nested attribute in edit view
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  1. PORails add nested attribute in edit view
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    copied!<p>I have 2 models with many to many association as follows:</p> <pre><code>class User &lt; ActiveRecord::Base has_many :remark_users, :dependent =&gt; :destroy has_many :designated_remarks, :through =&gt; :remark_users, :source =&gt; :remark end class Remark &lt; ActiveRecord::Base has_many :remark_users, :dependent =&gt; :destroy has_many :users, :through =&gt; :remark_users accepts_nested_attributes_for :remark_users end </code></pre> <p>And the relationship:</p> <pre><code>class RemarkUser &lt; ActiveRecord::Base belongs_to :remark belongs_to :user end </code></pre> <p>In the remarks_controller, I have this:</p> <pre><code>def add_user @remark = Remark.find(params[:id]) 3.times { @remark.remark_users.build } end </code></pre> <p>To a remark is possible to associate many users. The association would have to take place after the remark is being created, since it has to pass a validation first.</p> <p>So I want to add users to a remark after it is validated. Anyway, my form, which is below, doesn't show any fields for choosing users, only the remark data is shown. </p> <pre><code>&lt;p&gt; &lt;strong&gt;Description:&lt;/strong&gt; &lt;%= @remark.description %&gt; &lt;/p&gt; &lt;h4&gt;Add Users&lt;/h4&gt; &lt;% form_for @remark do |f| %&gt; &lt;% f.fields_for :@designated_user do |u| %&gt; &lt;p&gt;User:&lt;br /&gt; &lt;%= u.collection_select(:user_id, User.all, :id, :user_name, {:include_blank =&gt; true}, {:class=&gt;'form-control'}) %&gt; &lt;/p&gt; &lt;% end %&gt; &lt;% end %&gt; </code></pre> <p>Can anyone help me? Thanks!</p>
 

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