View file vkclone-0.0.1/protected/models/CPublic.php

<?php
/**
 * This is the model class for table "{{publics}}".
 */
class CPublic extends CActiveRecord {
	private $_access = null;

	/**
	 * @return string the associated database table name
	 */
	public function tableName() {
		return '{{publics}}';
	}

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules() {
		return array(
			array('name', 'required'),
			array('id, creator_id', 'length', 'max' => 10),
			array('name', 'length', 'max' => 255),
			// The following rule is used by search().
			array('id, name', 'safe', 'on' => 'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations() {
		return array(
			'profile' => array(self::BELONGS_TO, 'Profile', 'id'),
			'creator' => array(self::BELONGS_TO, 'User', 'creator_id'),
			'moderators' => array(self::HAS_MANY, 'Moderator', 'public_id'),
			'readers' => array(self::MANY_MANY, 'User', PublicReader::model()->tableName().'(public_id, user_id)'),
		);
	}

	/**
	 * Returns the static model of the specified AR class.
	 * Please note that you should have this exact method in all your CActiveRecord descendants!
	 * @param string $className active record class name.
	 * @return CPublic the static model class
	 */
	public static function model($className=__CLASS__) {
		return parent::model($className);
	}

	/**
	 * Creates a public
	 */
	public function create() {
		$transaction = $this->dbConnection->beginTransaction();
		$profile = new Profile;
		$profile->type = 'public';
		if (!$profile->save())
			return false;
		$public = new self;
		$public->attributes = $this->attributes;
		$public->id = $profile->id;
		if (!$public->save())
			return false;
		$reading = new PublicReader;
		$reading->public_id = $public->id;
		$reading->user_id = Yii::app()->user->record->id;
		$reading->role = PublicReader::READER;
		if (!$reading->save())
			return false;
		$transaction->commit();
		return $public;
	}

	/**
	 * Checks access for currently logged user
	 * @param int $role
	 */
	public function checkAccess($requiredRole, $allowCaching = true) {
		if ($this->creator_id == Yii::app()->user->record->id)
			return true;

		if ($allowCaching && $this->_access !== null)
			return PublicReader::checkAccess($this->_access, $requiredRole);

		if (($reading = PublicReader::model()->findByAttributes(array('public_id' => $this->id, 'user_id' => Yii::app()->user->record->id))) == null)
			return false;

		if ($allowCaching)
			$this->_access = $reading->role;
		return PublicReader::checkAccess($reading->role, $requiredRole);
	}

	/**
	 * @param CActiveRecord|int $user model or User id
	 */
	public function hasSubscriber($user) {
		if (is_object($user))
			$user = $user->id;
		return PublicReader::model()->exists((new CDbCriteria)->compare('public_id', $this->id)->compare('user_id', $user));
	}
}