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PODraper: How to convert all allowed attributes and public methods of the decorated model into json
 

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  1. PODraper: How to convert all allowed attributes and public methods of the decorated model into json
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    <p>I'm looking for an easy way to convert decorated model into json to use in my client-side templates. I'd like to find a solution where all allowed attributes and public methods of the decorated model will persist in json.</p> <p>Currently I have backbone RIA with rails backend. I'm using haml_coffee_assets gem for client-side templating. Draper is there to provide decoration for my User model</p> <pre><code>class ContactDecorator &lt; Draper::Base include Draper::LazyHelpers decorates :user allows :login, :id, :total_unread, :total_messages def for_json { :new_messages =&gt; new_messages, :avatar_link =&gt; avatar_link, :login_name_link =&gt; login_name_link, :id =&gt; model.id, :name =&gt; model.login, :avatar =&gt; model.avatar.url(:small), :humanized_messages_number =&gt; } end def humanized_messages_number pluralize(user['total_messages'], t("share_my_trip.messages.Message"), t("share_my_trip.messages.Messages")) + " #{new_messages}" end def new_messages model['total_unread'].to_i &gt; 0 ? "(#{model['total_unread'].to_i} #{t("share_my_trip.messages.new")})" : '' end def avatar_link link_to(image_tag(model.avatar.url(:small), :size =&gt; "32x32", :onerror =&gt; "this.src='/avatars/original/missing.png'"), share_my_trip_user_path(:id =&gt; model.login), :id =&gt; "user-nick-#{model.id}", :class =&gt; "author") end def login_name_link link_to(model.login, share_my_trip_user_path(:id =&gt; model.login), :id =&gt; "user-nick-#{model.id}", :class =&gt; "author") end end </code></pre> <p>my controller code looks like:</p> <pre><code>def index @dialogs = ContactDecorator.decorate(current_user.contacts).collect{|c| c.for_json} end </code></pre> <p>and than in my view I'm just initializing backbone app:</p> <pre><code>:javascript App.init({dialogs: #{@dialogs.to_json}}) </code></pre> <p>Is there a way to delete ugly #for_json decorator method?</p>
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