Creating Recent Comments Portlet

In this section, we create the last portlet that displays a list of comments recently published.

1. Creating RecentComments Class

We create the RecentComments class in the file /wwwroot/blog/protected/components/RecentComments.php. The file has the following content:

<?php
class RecentComments extends Portlet
{
    public $title='Recent Comments';
 
    public function getRecentComments()
    {
        return Comment::model()->findRecentComments();
    }
 
    protected function renderContent()
    {
        $this->render('recentComments');
    }
}

In the above we invoke the findRecentComments method which is defined in the Comment class as follows,

class Comment extends CActiveRecord
{
    ......
 
    public function findRecentComments($limit=10)
    {
        $criteria=array(
            'condition'=>'Comment.status='.self::STATUS_APPROVED,
            'order'=>'Comment.createTime DESC',
            'limit'=>$limit,
        );
        return $this->with('post')->findAll($criteria);
    }
}

2. Creating recentComments View

The recentComments view is saved in the file /wwwroot/blog/protected/components/views/recentComments.php. The view simply displays every comment returned by the RecentComments::getRecentComments() method.

3. Using RecentComments Portlet

We modify the layout file /wwwroot/blog/protected/views/layouts/main.php to embed this last portlet,

......
<div id="sidebar">
 
<?php $this->widget('UserLogin',array('visible'=>Yii::app()->user->isGuest)); ?>
 
<?php $this->widget('UserMenu',array('visible'=>!Yii::app()->user->isGuest)); ?>
 
<?php $this->widget('TagCloud'); ?>
 
<?php $this->widget('RecentComments'); ?>
 
</div>
......
$Id: portlet.comments.txt 671 2009-02-13 21:55:24Z qiang.xue $

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