<?php
/**
 * This is the model class for table "{{post}}".
 *
 * The followings are the available columns in table '{{post}}':
 * @property integer $id
 * @property string $title
 * @property string $content
 * @property string $tags
 * @property integer $status
 * @property integer $create_time
 * @property integer $update_time
 * @property integer $author_id
 *
 * The followings are the available model relations:
 * @property Comment[] $comments
 * @property User $author
 */
class Post extends CActiveRecord
{

    const STATUS_DRAFT=1;
    const STATUS_PUBLISHED=2;
    const STATUS_ARCHIVED=3;
    /**
     * Returns the static model of the specified AR class.
     * @return Post 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, create_time, update_time, author_id', 'numerical', 'integerOnly'=>true),
            array('title', 'length', 'max'=>128),
            array('tags', 'safe'),
            // The following rule is used by search().
            // Please remove those attributes that should not be searched.
            array('id, title, content, tags, status, create_time, update_time, author_id', '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',
        );
    }


    protected function beforeSave()
      {
            if(parent::beforeSave())
            {
                if($this->isNewRecord)
                {
                    $this->create_time=$this->update_time=date('H:i:s');
                    $this->author_id=Yii::app()->user->id;
                }
                else
                    $this->update_time=date('H:i:s');
                return true;
            }
            else
                return false;
     }

    /**
     * Retrieves a list of models based on the current search/filter conditions.
     * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions.
     */
    public function search()
    {
        // Warning: Please modify the following code to remove attributes that
        // should not be searched.

        $criteria=new CDbCriteria;

        $criteria->compare('id',$this->id);
        $criteria->compare('title',$this->title,true);
        $criteria->compare('content',$this->content,true);
        $criteria->compare('tags',$this->tags,true);
        $criteria->compare('status',$this->status);
        $criteria->compare('create_time',$this->create_time);
        $criteria->compare('update_time',$this->update_time);
        $criteria->compare('author_id',$this->author_id);

        return new CActiveDataProvider(get_class($this), array(
            'criteria'=>$criteria,
        ));
    }
}