Displaying multiple revisions

BaseController.php

<?php

class BaseController extends Controller
{

    /**
     * Setup the layout used by the controller.
     *
     * @return void
     */
    protected function setupLayout()
    {
        if (!is_null($this->layout)) {
            $this->layout = View::make($this->layout);
        }
    }


    /**
     * Display a listing of the clients.
     *
     * @param $model
     * @param $item_id
     *
     * @return Response
     */
    public function showRevisions($model, $item_id)
    {
        $item = $model::find($item_id);

        $revisions = $item->revisionHistory;

        $data = array(
            'item'      => $item,
            'revisions' => $revisions,
            'model'     => Str::plural(substr($model, strpos($model, '\\') + 1)),
            'model_id'  => $item_id
        );
        // var_dump($data);exit;

        $this->layout->nest('content', 'revisions/index', $data);

    }
}

revision_table.blade.php

<h3>Revision History</h3>

<table class="table table-striped table-bordered">

    <thead>

        <tr>
            <th>Field</th>
            <th>Old value</th>
            <th>New value</th>
            <th>User</th>
            <th>When</th>
            <th>Tasks</th>
        </tr>

    </thead>

    <tbody>

        @foreach($revisions as $revision)
        <?php $date = new ExpressiveDate($revision->created_at); ?>
        <tr>
            <td>{{ ucfirst($revision->fieldName()) }}</td>
            <td>{{ $revision->oldValue() }}</td>
            <td>{{ $revision->newValue() }}</td>
            <td>{{ $revision->userResponsible()->first_name }}</td>
            <td>{{ $date->getRelativeDate() }}</td>
            <td><a class="btn tip" title="Revert this change" href="{{ URL::action('RevisionsController@revert', encryptId($revision->id, 'revisions')) }}"><i class="icon-signin"></i></a></td>
        </tr>
        @endforeach

    </tbody>

</table>

RevisionsController.php

<?php

class RevisionsController extends BaseController
{

    public function revert($revision_id)
    {

        $revision_id = decryptId($revision_id, 'revisions');
        $revision = \Venturecraft\Revisionable\Revision::find($revision_id);

        $item = $revision->revisionable;

        $field = $revision->key;
        $item->$field = $revision->old_value;
        $item->save();

        Event::fire(strtolower($revision->revisionable_type) . '.updated', $item);

        return Redirect::back();

    }

}