嵌套形式复杂模型无法创建儿童

问题描述：

class Company < ActiveRecord::Base 
    has_many :roles, :dependent => :destroy 
    has_many :users, :through => :roles 
end 

class Role < ActiveRecord::Base 

    belongs_to :user 
    belongs_to :company 
    attr_accessor :roles_attributes 
    attr_accessible :roles_attributes, :active, :company_id, :role 
    validates_presence_of :company_id, :role 
    validates_uniqueness_of :user_id, :scope => :company_id, :message => "Users may only have one role per company." 
end 

class User < ActiveRecord::Base 
    has_many :roles, :dependent => :destroy 
    accepts_nested_attributes_for :roles, :allow_destroy => true 
    has_many :companies, :through => :roles 
end

这里的意图是单个用户（电子邮件地址）可以在不同公司有不同的权限下登录（角色）每家公司。

我公司下嵌套的用户和我的更新控制器正常工作，但现在我似乎无法获得新/创建控制器开始工作：

控制器：

def new 
    @user = User.new 
    @role = @user.roles.build.company_id = session[:company_id] 

    respond_to do |format| 
     format.html # new.html.erb 
     format.json { render json: @user } 
    end 
    end 

    def create 

    @user = User.new(params[:user]) 

    respond_to do |format| 
     if @user.save 
     format.html { redirect_to @user, notice: 'User was successfully created.' } 
     format.json { render json: @user, status: :created, location: @user } 
     else 
     format.html { render action: "new" } 
     format.json { render json: @user.errors, status: :unprocessable_entity } 
     end 
    end 
    end

和查看：

<%= simple_nested_form_for [:company, @user] do |f| %> 
    <fieldset> 
    <div class="form-horizontal"> 

    <%= f.input :email %> 
    <%= f.input :name_first %> 
    <%= f.input :name_last %> 
    <%= f.input :title %> 
    <%= f.input :phone %> 
    <%= f.input :mobile %> 

    <%= f.simple_fields_for :roles, @role do |role_form| %> 
     <%= role_form.hidden_field :company_id %> 
     <%= role_form.input :active %> 
     <%= role_form.input :role, :collection => [ "Guest", "User", "Inspector", "Owner"] %></td> 
    <% end %> 
    <%= f.input :notes, :input_html => { :rows => 5, :cols => 70 } %> 
    <div class="form-actions"> 
     <%= f.submit nil, :class => 'btn btn-primary' %> 
     <%= link_to 'Cancel', company_users_path, :class => 'btn' %> 
    </div> 
    </fieldset> 
<% end %>

当我提交它静静地失败只是形式，我在“roles_attributes”正在为通过日志注意：

"roles_attributes"=>{"0"=>{"company_id"=>"2", "active"=>"1", "role"=>"Inspector"}}

，我认为应该是：

"roles_attributes"=>[{"company_id"=>"2", "active"=>"1", "role"=>"Inspector"}]

我一定是失去了一些东西明显。

答

原来是has_secure_password。我删除了密码字段，验证失败。

嵌套形式复杂模型无法创建儿童

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