<?php
/**
 * 
 * 
 */
class Table_User extends Zend_Db_Table_Abstract implements Fiktiv_Data_Storage
{
    protected $_schema   = 'fiktivkod';
    protected $_name     = 'User';
    protected $_primary  = 'id';
    protected $_rowClass = 'User';

    /**
     * Authenticate user
     * TODO: Evaluate, should this be here? Datapoint = data access only?
     * @param string $email
     * @param string $password
     */
    public function login($email, $password)
    {
        $auth = Zend_Auth::getInstance();

        // Setup auth adapter
        $authAdapter = new Zend_Auth_Adapter_DbTable($this->getAdapter(), $this->_name, 'email', 'password');

        // Set credentials
        $authAdapter->setIdentity($email);
        $authAdapter->setCredential(hash('sha256',$password));

        // Authenticate
        $result = $auth->authenticate($authAdapter);

        // Check result
        if ($result->isValid()) {
            // Keep all but password and salt in session.
            $storage = $auth->getStorage();
            $storage->write($authAdapter->getResultRowObject(null, array('password', 'salt')));
            
            return true;
        }

        return false;
    }

    /**
     * Fetch user based on email
     *
     * @return User
     */
    public function findByEmail($email)
    {
        // Atleast 6 character long
        if (is_string($email) && isset($email[5])) {

            return $this->fetchRow($this->getAdapter()->quoteInto('email = ?', $email));
        }

        return null;
    }

    /**
     * Get random user
     *
     * @return User
     */
    public function findRandom()
    {
        return $this->fetchAll(null, 'RAND()', 1)->current();
    }
}