<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    Mage
 * @package     Mage_Customer
 * @copyright   Copyright (c) 2010 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */


/**
 * Customer Data Helper
 *
 * @category   Mage
 * @package    Mage_Customer
 * @author     Magento Core Team <core@magentocommerce.com>
 */
class Mage_Customer_Helper_Data extends Mage_Core_Helper_Abstract
{
    /**
     * Query param name for last url visited
     */
    const REFERER_QUERY_PARAM_NAME = 'referer';

    /**
     * Customer groups collection
     *
     * @var Mage_Customer_Model_Entity_Group_Collection
     */
    protected $_groups;

    /**
     * Check customer is logged in
     *
     * @return bool
     */
    public function isLoggedIn()
    {
        return Mage::getSingleton('customer/session')->isLoggedIn();
    }

    /**
     * Retrieve logged in customer
     *
     * @return Mage_Customer_Model_Customer
     */
    public function getCustomer()
    {
        if (empty($this->_customer)) {
            $this->_customer = Mage::getSingleton('customer/session')->getCustomer();
        }
        return $this->_customer;
    }

    /**
     * Retrieve customer groups collection
     *
     * @return Mage_Customer_Model_Entity_Group_Collection
     */
    public function getGroups()
    {
        if (empty($this->_groups)) {
            $this->_groups = Mage::getModel('customer/group')->getResourceCollection()
                ->setRealGroupsFilter()
                ->load();
        }
        return $this->_groups;
    }

    /**
     * Retrieve current (loggined) customer object
     *
     * @return Mage_Customer_Model_Customer
     */
    public function getCurrentCustomer()
    {
        return $this->getCustomer();
    }

    /**
     * Retrieve current customer name
     *
     * @return string
     */
    public function getCustomerName()
    {
        return $this->getCustomer()->getName();
    }

    /**
     * Check customer has address
     *
     * @return bool
     */
    public function customerHasAddresses()
    {
        return count($this->getCustomer()->getAddresses()) > 0;
    }

    /**************************************************************************
     * Customer urls
     */

    /**
     * Retrieve customer login url
     *
     * @return string
     */
    public function getLoginUrl()
    {
        $params = array();

        $referer = $this->_getRequest()->getParam(self::REFERER_QUERY_PARAM_NAME);

        if (!$referer && !Mage::getStoreConfigFlag('customer/startup/redirect_dashboard')) {
            if (!Mage::getSingleton('customer/session')->getNoReferer()) {
                $referer = Mage::getUrl('*/*/*', array('_current' => true));
                $referer = Mage::helper('core')->urlEncode($referer);
            }
        }
        if ($referer) {
            $params = array(self::REFERER_QUERY_PARAM_NAME => $referer);
        }

        return $this->_getUrl('customer/account/login', $params);
    }

    /**
     * Retrieve customer login POST URL
     *
     * @return string
     */
    public function getLoginPostUrl()
    {
        $params = array();
        if ($this->_getRequest()->getParam(self::REFERER_QUERY_PARAM_NAME)) {
            $params = array(self::REFERER_QUERY_PARAM_NAME => $this->_getRequest()->getParam(self::REFERER_QUERY_PARAM_NAME));
        }
        return $this->_getUrl('customer/account/loginPost', $params);
    }

    /**
     * Retrieve customer logout url
     *
     * @return string
     */
    public function getLogoutUrl()
    {
        return $this->_getUrl('customer/account/logout');
    }

    /**
     * Retrieve customer dashboard url
     *
     * @return string
     */
    public function getDashboardUrl()
    {
        return $this->_getUrl('customer/account');
    }

    /**
     * Retrieve customer account page url
     *
     * @return string
     */
    public function getAccountUrl()
    {
        return $this->_getUrl('customer/account');
    }

    /**
     * Retrieve customer register form url
     *
     * @return string
     */
    public function getRegisterUrl()
    {
        return $this->_getUrl('customer/account/create');
    }

    /**
     * Retrieve customer register form post url
     *
     * @return string
     */
    public function getRegisterPostUrl()
    {
        return $this->_getUrl('customer/account/createpost');
    }

    /**
     * Retrieve customer account edit form url
     *
     * @return string
     */
    public function getEditUrl()
    {
        return $this->_getUrl('customer/account/edit');
    }

    /**
     * Retrieve customer edit POST URL
     *
     * @return string
     */
    public function getEditPostUrl()
    {
        return $this->_getUrl('customer/account/editpost');
    }

    /**
     * Retrieve url of forgot password page
     *
     * @return string
     */
    public function getForgotPasswordUrl()
    {
        return $this->_getUrl('customer/account/forgotpassword');
    }

    /**
     * Check is confirmation required
     *
     * @return bool
     */
    public function isConfirmationRequired()
    {
        return $this->getCustomer()->isConfirmationRequired();
    }

    /**
     * Retrieve confirmation URL for Email
     *
     * @param string $email
     * @return string
     */
    public function getEmailConfirmationUrl($email = null)
    {
        return $this->_getUrl('customer/account/confirmation', array('email' => $email));
    }

    /**
     * Check whether customers registration is allowed
     *
     * @return bool
     */
    public function isRegistrationAllowed()
    {
        $result = new Varien_Object(array('is_allowed' => true));
        Mage::dispatchEvent('customer_registration_is_allowed', array('result' => $result));
        return $result->getIsAllowed();
    }
}