Esto es el PostController
<?php
class PostController extends Controller
{
public $layout='column2';
/**
* @var CActiveRecord the currently loaded data model instance.
*/
private $_model;
/**
* @return array action filters
*/
public function filters()
{
return array(
'accessControl', // perform access control for CRUD operations
);
}
/**
* Specifies the access control rules.
* This method is used by the 'accessControl' filter.
* @return array access control rules
*/
public function accessRules()
{
return array(
array('allow', // allow all users to access 'index' and 'view' actions.
'actions'=>array('index','view'),
'users'=>array('*'),
),
array('allow', // allow authenticated users to access all actions
'users'=>array('@'),
),
array('deny', // deny all users
'users'=>array('*'),
),
);
}
/**
* Displays a particular model.
*/
public function actionView()
{
$post=$this->loadModel();
$comment=$this->newComment($post);
$this->render('view',array(
'model'=>$post,
'comment'=>$comment,
));
}
/**
* Creates a new model.
* If creation is successful, the browser will be redirected to the 'view' page.
*/
public function actionCreate()
{
$model=new Post;
if(isset($_POST['Post']))
{
$model->attributes=$_POST['Post'];
if($model->save())
$this->redirect(array('view','id'=>$model->id));
}
$this->render('create',array(
'model'=>$model,
));
}
/**
* Updates a particular model.
* If update is successful, the browser will be redirected to the 'view' page.
*/
public function actionUpdate()
{
$model=$this->loadModel();
if(isset($_POST['Post']))
{
$model->attributes=$_POST['Post'];
if($model->save())
$this->redirect(array('view','id'=>$model->id));
}
$this->render('update',array(
'model'=>$model,
));
}
/**
* Deletes a particular model.
* If deletion is successful, the browser will be redirected to the 'index' page.
*/
public function actionDelete()
{
if(Yii::app()->request->isPostRequest)
{
// we only allow deletion via POST request
$this->loadModel()->delete();
// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
if(!isset($_GET['ajax']))
$this->redirect(array('index'));
}
else
throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
}
/**
* Lists all models.
*/
public function actionIndex()
{
$criteria=new CDbCriteria(array(
'condition'=>'status='.Post::STATUS_PUBLISHED,
'order'=>'update_time DESC',
'with'=>'commentCount',
));
if(isset($_GET['tag']))
$criteria->addSearchCondition('tags',$_GET['tag']);
$dataProvider=new CActiveDataProvider('Post', array(
'pagination'=>array(
'pageSize'=>Yii::app()->params['postsPerPage'],
),
'criteria'=>$criteria,
));
$this->render('index',array(
'dataProvider'=>$dataProvider,
));
}
/**
* Manages all models.
*/
public function actionAdmin()
{
$model=new Post('search');
if(isset($_GET['Post']))
$model->attributes=$_GET['Post'];
$this->render('admin',array(
'model'=>$model,
));
}
/**
* Suggests tags based on the current user input.
* This is called via AJAX when the user is entering the tags input.
*/
public function actionSuggestTags()
{
if(isset($_GET['q']) && ($keyword=trim($_GET['q']))!=='')
{
$tags=Tag::model()->suggestTags($keyword);
if($tags!==array())
echo implode("\n",$tags);
}
}
/**
* Returns the data model based on the primary key given in the GET variable.
* If the data model is not found, an HTTP exception will be raised.
*/
public function loadModel()
{
if($this->_model===null)
{
if(isset($_GET['id']))
{
if(Yii::app()->user->isGuest)
$condition='status='.Post::STATUS_PUBLISHED.' OR status='.Post::STATUS_ARCHIVED;
else
$condition='';
$this->_model=Post::model()->findByPk($_GET['id'], $condition);
}
if($this->_model===null)
throw new CHttpException(404,'The requested page does not exist.');
}
return $this->_model;
}
/**
* Creates a new comment.
* This method attempts to create a new comment based on the user input.
* If the comment is successfully created, the browser will be redirected
* to show the created comment.
* @param Post the post that the new comment belongs to
* @return Comment the comment instance
*/
protected function newComment($post)
{
$comment=new Comment;
if(isset($_POST['ajax']) && $_POST['ajax']==='comment-form')
{
echo CActiveForm::validate($comment);
Yii::app()->end();
}
if(isset($_POST['Comment']))
{
$comment->attributes=$_POST['Comment'];
if($post->addComment($comment))
{
if($comment->status==Comment::STATUS_PENDING)
Yii::app()->user->setFlash('commentSubmitted','Thank you for your comment. Your comment will be posted once it is approved.');
$this->refresh();
}
}
return $comment;
}
}
y esto es el Post de la vista:
<?php
class Post extends CActiveRecord
{
/**
* The followings are the available columns in table 'tbl_post':
* @var integer $id
* @var string $title
* @var string $content
* @var string $tags
* @var integer $status
* @var integer $create_time
* @var integer $update_time
* @var integer $author_id
*/
const STATUS_DRAFT=1;
const STATUS_PUBLISHED=2;
const STATUS_ARCHIVED=3;
private $_oldTags;
/**
* Returns the static model of the specified AR class.
* @return CActiveRecord the static model class
*/
public static function model($className=__CLASS__)
{
return parent::model($className);
}
/**
* @return string the associated database table name
*/
public function tableName()
{
return '{{post}}';
}
/**
* @return array validation rules for model attributes.
*/
public function rules()
{
// NOTE: you should only define rules for those attributes that
// will receive user inputs.
return array(
array('title, content, status', 'required'),
array('status', 'in', 'range'=>array(1,2,3)),
array('title', 'length', 'max'=>128),
array('tags', 'match', 'pattern'=>'/^[\w\s,]+$/', 'message'=>'Tags can only contain word characters.'),
array('tags', 'normalizeTags'),
array('title, status', 'safe', 'on'=>'search'),
);
}
/**
* @return array relational rules.
*/
public function relations()
{
// NOTE: you may need to adjust the relation name and the related
// class name for the relations automatically generated below.
return array(
'author' => array(self::BELONGS_TO, 'User', 'author_id'),
'comments' => array(self::HAS_MANY, 'Comment', 'post_id', 'condition'=>'comments.status='.Comment::STATUS_APPROVED, 'order'=>'comments.create_time DESC'),
'commentCount' => array(self::STAT, 'Comment', 'post_id', 'condition'=>'status='.Comment::STATUS_APPROVED),
);
}
/**
* @return array customized attribute labels (name=>label)
*/
public function attributeLabels()
{
return array(
'id' => 'Id',
'title' => 'Title',
'content' => 'Content',
'tags' => 'Tags',
'status' => 'Status',
'create_time' => 'Create Time',
'update_time' => 'Update Time',
'author_id' => 'Author',
);
}
/**
* @return string the URL that shows the detail of the post
*/
public function getUrl()
{
return Yii::app()->createUrl('post/view', array(
'id'=>$this->id,
'title'=>$this->title,
));
}
/**
* @return array a list of links that point to the post list filtered by every tag of this post
*/
public function getTagLinks()
{
$links=array();
foreach(Tag::string2array($this->tags) as $tag)
$links[]=CHtml::link(CHtml::encode($tag), array('post/index', 'tag'=>$tag));
return $links;
}
/**
* Normalizes the user-entered tags.
*/
public function normalizeTags($attribute,$params)
{
$this->tags=Tag::array2string(array_unique(Tag::string2array($this->tags)));
}
/**
* Adds a new comment to this post.
* This method will set status and post_id of the comment accordingly.
* @param Comment the comment to be added
* @return boolean whether the comment is saved successfully
*/
public function addComment($comment)
{
if(Yii::app()->params['commentNeedApproval'])
$comment->status=Comment::STATUS_PENDING;
else
$comment->status=Comment::STATUS_APPROVED;
$comment->post_id=$this->id;
return $comment->save();
}
/**
* This is invoked when a record is populated with data from a find() call.
*/
protected function afterFind()
{
parent::afterFind();
$this->_oldTags=$this->tags;
}
/**
* This is invoked before the record is saved.
* @return boolean whether the record should be saved.
*/
protected function beforeSave()
{
if(parent::beforeSave())
{
if($this->isNewRecord)
{
$this->create_time=$this->update_time=time();
$this->author_id=Yii::app()->user->id;
}
else
$this->update_time=time();
return true;
}
else
return false;
}
/**
* This is invoked after the record is saved.
*/
protected function afterSave()
{
parent::afterSave();
Tag::model()->updateFrequency($this->_oldTags, $this->tags);
}
/**
* This is invoked after the record is deleted.
*/
protected function afterDelete()
{
parent::afterDelete();
Comment::model()->deleteAll('post_id='.$this->id);
Tag::model()->updateFrequency($this->tags, '');
}
/* /**
* Retrieves the list of posts based on the current search/filter conditions.
* @return CActiveDataProvider the data provider that can return the needed posts.
*/
public function search()
{
$criteria=new CDbCriteria;
$criteria->compare('title',$this->title,true);
$criteria->compare('status',$this->status);
return new CActiveDataProvider('Post', array(
'criteria'=>$criteria,
'sort'=>array(
'defaultOrder'=>'status, update_time DESC',
),
));
}
}
