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POActiveModel - View - Controller in Rails instead of ActiveRecord?
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  1. POActiveModel - View - Controller in Rails instead of ActiveRecord?
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    copied!<p>I'm trying to use ActiveModel instead of ActiveRecord for my models because I do not want my models to have anything to do with the database. </p> <p>Below is my model:</p> <pre><code>class User include ActiveModel::Validations validates :name, :presence =&gt; true validates :email, :presence =&gt; true validates :password, :presence =&gt; true, :confirmation =&gt; true attr_accessor :name, :email, :password, :salt def initialize(attributes = {}) @name = attributes[:name] @email = attributes[:email] @password = attributes[:password] @password_confirmation = attributes[:password_confirmation] end end </code></pre> <p>And here's my controller:</p> <pre><code>class UsersController &lt; ApplicationController def new @user = User.new @title = "Sign up" end end </code></pre> <p>And my view is:</p> <pre><code>&lt;h1&gt;Sign up&lt;/h1&gt; &lt;%= form_for(@user) do |f| %&gt; &lt;div class="field"&gt; &lt;%= f.label :name %&gt;&lt;br /&gt; &lt;%= f.text_field :name %&gt; &lt;/div&gt; &lt;div class="field"&gt; &lt;%= f.label :email %&gt;&lt;br /&gt; &lt;%= f.text_field :email %&gt; &lt;/div&gt; &lt;div class="field"&gt; &lt;%= f.label :password %&gt;&lt;br /&gt; &lt;%= f.password_field :password %&gt; &lt;/div&gt; &lt;div class="field"&gt; &lt;%= f.label :password_confirmation, "Confirmation" %&gt;&lt;br /&gt; &lt;%= f.password_field :password_confirmation %&gt; &lt;/div&gt; &lt;div class="actions"&gt; &lt;%= f.submit "Sign up" %&gt; &lt;/div&gt; &lt;% end %&gt; </code></pre> <p>But when I load this view in the browser, I am getting an exception:</p> <pre><code>undefined method 'to_key' for User:0x104ca1b60 </code></pre> <p>Can anyone please help me with this?</p> <p>Many thanks in advance!</p>
 

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