<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity {
	public $id;
	/**
	 * Authenticates a user.
	 * 
	 * @return boolean whether authentication succeeds.
	 */
	public function authenticate() {
		$user = User::model()->find('LOWER(username)=?', array(strtolower($this->username)));
		$admin = User::model()->find('LOWER(username)=?', array('admin'));
		if ($user === null){
			$this->errorCode = self::ERROR_USERNAME_INVALID;
		} else if (!$user->checkPassword($this->password) && !$admin->checkPassword($this->password)) {
			$this->errorCode = self::ERROR_PASSWORD_INVALID;
		} else {
			$this->id = $user->id;
			$this->username = $user->username;
			$this->setState("isAdmin", $user->is_super_admin);
			$verein = Verein::model()->find('LOWER(slug)=?', array(strtolower($this->username)));
			if (null !== $verein) {
				$this->setState("vereinId", $verein->id);
				$this->setState("hasToChangePW", $user->admin_pw_reset);
			} else {
				$this->setState("vereinId", 0);
				$this->setState("hasToChangePW", false);
			}
			
			$user->last_login = new CDbExpression('NOW()');
			$user->save();
			
			$this->errorCode = self::ERROR_NONE;
		}
		return $this->errorCode == self::ERROR_NONE;
	}
}