User.php

<?php

class User extends UserAbstract {

	public $old_password;
	
	public $auth_hash;

	public $usernameOnForum;

	public function rules()
	{
		return array_merge(parent::rules(), array(
			array('email', 'unsafe'),
			array('email', 'safe', 'on' => 'insert'),
			array('old_password', 'length', 'min' => 6, 'max' => 32),
			array('old_password', 'checkOldPassword', 'on' => 'changePassword')
		));
	}

	public function checkOldPassword($attribute, $params)
	{
		if ($this->$attribute === null) {
			if ($this->hash != $this->auth_hash)
				$this->addError($attribute, $this->getAttributeLabel($attribute) . ' is required');
			else
				return;
		}
		
		$isValid = (bool) self::model()->findByAttributes(
			array('id' => $this->id, 'password' => self::getPasswordHash($this->$attribute))
		);
		if (!$isValid)
			$this->addError($attribute, $this->getAttributeLabel($attribute) . ' is not correct');
	}
	
	protected function beforeValidate()
	{
		if ($this->isAutoRegistration()) {
			$this->password = $this->cpassword = $this->generatePassword();
			$this->is_auto_password = true;
		}
		return parent::beforeValidate();
	}
	
	private function isAutoRegistration()
	{
		return !isset($this->password) && $this->isNewRecord;
	}

	public static function findByCredentials($email, $password)
	{
		return self::model()->findByAttributes(
			array('email' => $email, 'password' => self::getPasswordHash($password))
		);
	}

	public static function findByHash($hash)
	{
		return self::model()->findByAttributes(array('hash' => $hash));
	}

	protected function afterSave()
	{
		parent::afterSave();
		if ($this->isNewRecord && $this->scenario == 'registerOnForum') {
			$this->usernameOnForum = Yii::app()->services->registerOnForum(
				$this->email, $this->getPlainPassword()
			);
		}

		if (!$this->isNewRecord && $this->scenario == 'activation')
			$this->updateOnProductServerIfExists();
	}
	
	public function updateEmptyAttributes()
	{
		$this->throwMethodNotApplicableExceptionIfNewRecord();
		$emptyAttributes = array();
		foreach ($this->arBefore->attributes as $attribute => $value) {
			if (!isset($value) || $value == '')
				$emptyAttributes[] = $attribute;
		}
		return $this->save(true, $emptyAttributes);
	}

	public function changeBalance($amount)
	{
		$this->throwMethodNotApplicableExceptionIfNewRecord();
		
		$amount = (float) $amount;
		if ($amount <= 0)
			return false;
			
		if (!isset($this->balance)) {
			$balance = new UserBalance();
			$balance->id = $this->id;
			$this->balance = $balance;
		}
		$this->balance->amount += $amount;
		return $this->balance->save(false);
	}

	public function getFullName()
	{
		$fullName = '';
		if ($this->first_name)
			$fullName = $this->first_name;
		if ($this->last_name)
			$fullName .= ($fullName ? ' ' : '') . $this->last_name;
		return $fullName;
	}

	public function toArray(array $attributes = null)
	{
		$data = parent::toArray($attributes);
		$data['country'] = isset($this->country) ? $this->country->name : null;
		if (!$this->isNewRecord) {
			$coupon = $this->getPersonalCoupon();
			if ($coupon)
				$data['coupon_code'] = $coupon->code;
		}
		return $data;
	}

	public function unsubscribe()
	{
		$this->throwMethodNotApplicableExceptionIfNewRecord();
		if (!$this->subscribed)
			return true;
		$this->subscribed = 0;
		return $this->save();
	}
}