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PORuby on Rails: error when using unobtrusive JavaScript to update partial
 

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  1. PORuby on Rails: error when using unobtrusive JavaScript to update partial
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    <p>I am using Rails 3.2.13, and I'm trying to update a 'summary' partial after creating a 'child' item.</p> <p>I have a template and template tasks, and what I am trying to do is update the partial on the 'show' view, which is a summary that indicates how many tasks are allocated to the template. I am doing this in the <code>create.js.erb</code> of the template task.</p> <p>Here are the contents of <code>_template-summary.html.erb</code>:</p> <pre><code>&lt;div id="template-summary-details"&gt; &lt;table class="table table-striped"&gt; &lt;tbody&gt; &lt;tr&gt; &lt;td&gt;&lt;span class="fa fa-th-list"&gt;&lt;/span&gt; No. of tasks&lt;/td&gt; &lt;td&gt;&lt;%= @template.templatetasks.count %&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;&lt;span class="fa fa-clock-o"&gt;&lt;/span&gt; Total task days&lt;/td&gt; &lt;td&gt; &lt;%= @template.templatetasks.sum(:days) %&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;&lt;span class="fa fa-check-square-o"&gt;&lt;/span&gt; No. of checklists&lt;/td&gt; &lt;td&gt; &lt;%= @template.templatetasks.count(:checklist_id) %&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/tbody&gt; &lt;/table&gt; &lt;/div&gt; </code></pre> <p>And here are the contents of <code>create.js.erb</code>:</p> <pre><code>&lt;% @template = Template.where("id = ?", @templatetask.template_id?) %&gt; $("#template-summary-details").replaceWith("&lt;%= escape_javascript(render partial: "templates/template-summary", locals: {template: @template}) %&gt;"); &lt;% if @templatetask.parent_id? %&gt; $('#templatetasks'+&lt;%= @templatetask.parent_id %&gt;).prepend('&lt;%= j render(@templatetask) %&gt;'); &lt;% else %&gt; $('#templatetasks').prepend('&lt;%= j render(@templatetask) %&gt;'); &lt;% end %&gt; </code></pre> <p>The problem is that I am getting the following error: </p> <pre><code>undefined method `where' for ActionView::Template:Class </code></pre> <p>I have also tried using <code>find</code> but haven't gotten that to work either.</p> <p>How else would I pass the <code>@template</code> to the partial during the creation of a template task?</p>
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