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POwriting a meta refresh method for rails
 

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    <p>I want a method in app/controllers/application.rb that can prepend/append text to whatever template gets rendered. Of course I can't call render twice w/o getting a double render error, so is this possible?</p> <p>I want to redirect after a delay using a meta refresh. Here's what I've got:</p> <p><strong>app/controllers/application_controller.rb:</strong></p> <pre><code>def redirect_after_delay (url, delay) @redirect_delay = delay @redirect_url = url render end </code></pre> <p><strong>app/views/layouts/application.html.erb</strong></p> <pre><code>&lt;!DOCTYPE html&gt; &lt;html lang="en"&gt; &lt;head&gt; &lt;%= yield :refresh_tag %&gt; &lt;/head&gt; &lt;body&gt; &lt;%= yield %&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>So then if I want to add a redirect-after-delay, I add the following to 1) my controller and 2) the action's view:<br> <strong>app/controllers/my_controller.rb</strong></p> <pre><code>def my_action redirect_after_delay 'http://www.google.com', 3 if some_condition end </code></pre> <p><strong>app/views/my_controller/my_action.html.erb</strong></p> <pre><code>&lt;% content_for :refresh_tag do %&gt; &lt;meta http-equiv='refresh' content='&lt;%=@redirect_delay%&gt;;url=&lt;%=@redirect_url%&gt;'&gt; &lt;% end %&gt; &lt;h1&gt;Please wait while you are redirected...&lt;/h1&gt; </code></pre> <p>Since the <code>content_for</code> block never changes, is it possible to do this in some generic way so that I don't have to put <code>&lt;%= yield :refresh_tag %&gt;</code> in each template? (e.g. could <code>redirect_after_delay</code> add it into whatever template is going to be rendered?)</p>
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    2. COyeah i reformatted it so the question is at the top now
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