Pastable version of showing records in Ascending or Descening order on click

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            <span style="margin:0;padding:4px 6px;font-size:12px;float:right;">Users controller</span>
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            <pre class="sunburst"><span style="color:#E28964;">class</span> <span style="text-decoration:underline;">UsersController<span style="color:#9B5C2E;font-style:italic;"> <span style="color:#9B5C2E;font-style:italic;">&lt;</span> ApplicationController</span></span>

<span style="color:#E28964;">def</span> <span style="color:#89BDFF;">index</span>
    <span style="color:#3E87E3;"><span style="color:#3E87E3;">@</span>users</span> <span style="color:#E28964;">=</span> <span style="color:#9B859D;">User</span>.<span style="color:#89BDFF;">find</span>(<span style="color:#3387CC;"><span style="color:#3387CC;">:</span>all</span>,<span style="color:#3387CC;"><span style="color:#3387CC;">:</span>order</span> =&gt; <span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>age DESC<span style="color:#65B042;">&quot;</span></span>)
    session[<span style="color:#3387CC;"><span style="color:#3387CC;">:</span>descending</span>] <span style="color:#E28964;">=</span> <span style="color:#3E87E3;"><span style="color:#3E87E3;">@</span>users</span>
  <span style="color:#E28964;">end</span>

<span style="color:#E28964;">def</span> <span style="color:#89BDFF;">ascending_age</span>
    ord <span style="color:#E28964;">=</span> session[<span style="color:#3387CC;"><span style="color:#3387CC;">:</span>descending</span>]
    <span style="color:#3E87E3;"><span style="color:#3E87E3;">@</span>users</span> <span style="color:#E28964;">=</span> ord.<span style="color:#89BDFF;">sort</span>{|<span style="color:#3E87E3;">x</span>,<span style="color:#3E87E3;">y</span>| x.<span style="color:#89BDFF;">age</span> <span style="color:#E28964;">&lt;=&gt;</span> y.<span style="color:#89BDFF;">age</span>}
    render <span style="color:#3387CC;"><span style="color:#3387CC;">:</span>action</span>=&gt;<span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>index<span style="color:#65B042;">&quot;</span></span>
  <span style="color:#E28964;">end</span>

<span style="color:#E28964;">def</span> <span style="color:#89BDFF;">ascending_salary</span>
    ord <span style="color:#E28964;">=</span> session[<span style="color:#3387CC;"><span style="color:#3387CC;">:</span>descending</span>]
    <span style="color:#3E87E3;"><span style="color:#3E87E3;">@</span>users</span> <span style="color:#E28964;">=</span> ord.<span style="color:#89BDFF;">sort</span>{|<span style="color:#3E87E3;">x</span>,<span style="color:#3E87E3;">y</span>| x.<span style="color:#89BDFF;">salary</span> <span style="color:#E28964;">&lt;=&gt;</span> y.<span style="color:#89BDFF;">salary</span>}
    render <span style="color:#3387CC;"><span style="color:#3387CC;">:</span>action</span>=&gt;<span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>index<span style="color:#65B042;">&quot;</span></span>
  <span style="color:#E28964;">end</span>
<span style="color:#E28964;">end</span>
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