Magento: The Directive on Consumer Rights - 2014-06-13 - Helper

class.php

<?php

/**
class required this modul:
https://github.com/integer-net/Autoshipping
*/

class Custom_Module_Helper_Eu_Shipment
extends Mage_Core_Helper_Abstract
{

    /**
     * 
     * @return Mage_Sales_Model_Quote
     */
    protected function _getQuote()
    {
        return Mage::getSingleton('checkout/session')->getQuote();
    }

    protected function _getShippingAddress()
    {
        if($this->_getQuote()->getShippingAddress())
        {
            return $this->_getQuote()->getShippingAddress();
        }
        return $this->_getQuote()->getBillingAddress();
    }

    public function getShippingAddress()
    {
        return $this->_getShippingAddress();
    }
    /**
     * 
     * @param int $days days
     * @param int $timestamp Unixtimestamp
     * @return int Unixtimestamp
     */
    public function getDays($days = 2, $timestamp = null)
    {
        if(is_null($timestamp))
        {
            $timestamp = Mage::getModel('core/date')->timestamp(time());
        }
        $weekday = intval(date('N', $timestamp));
        $hours = intval(date('H', $timestamp));
        // on friday
        if($weekday == 5 && $hours > 12) // on friday
        {
            $days = $days + 2;
        }
        if($hours > 12) // on friday
        {
            $days = $days + 1;
        }
        // on saturday
        if($weekday == 6)
        {
            if($hours > 12)
            {
                $days = $days - 1;
            }
            $days = $days + 1;
        }
        // on sunday
        if($weekday == 7)
        {
            if($hours > 12)
            {
                $days = $days - 1;
            }
            $days = $days + 1;
        }
        if($days < 1)
        {
            $days = 1;
        }
        $newStamp = $timestamp + ($days*60*60*24);
        if($this->isFreeDay($newStamp))
        {
            $newStamp = $this->getDays(0, $newStamp);
        }
        return $newStamp;
    }

    /**
     * 
     * @return int unixtimestamp
     */
    public function getFromDays()
    {
        $days = 2;
        if($this->_getShippingAddress()->getCountryId() != Mage::getStoreConfig('tax/defaults/country'))
        {
            $days = 3;
        }
        return $this->getDays($days);
    }

    /**
     * 
     * @return int unixtimestamp
     */
    public function getToDays($timestamp = null)
    {
        $days = 1;
        if(is_null($timestamp))
        {
            $days = 3;
        }
        if($this->_getShippingAddress()->getCountryId() != Mage::getStoreConfig('tax/defaults/country'))
        {
            $days = 2;
            if(is_null($timestamp))
            {
                $days = 5;
            }
        }
        return $this->getDays($days, $timestamp);
    }

    /**
     * 
     * @param int $time Unixtimestamp
     * @return boolean
     */
    public function isFreeDay($time)
    {
        $weekday = intval(date('N', $time));
        if($weekday == 7)
        {
            return true;
        }
        $short = date('d.m', $time);
        switch($short)
        {
            case '01.01':
            case '01.05':
            case '03.10':
            case '24.12':
            case '25.12':
            case '26.12':
            case '31.12':
                return true;
        }
        $easter = $this->_getEasterDate(intval(date('Y', $time)));
        if(date('Ymd', $time) == date('Ymd', $easter+86400)) //ostermontag
        {
            return true;
        }
        if(date('Ymd', $time) == date('Ymd', $easter-259200))//karfreitag
        {
            return true;
        }
        if(date('Ymd', $time) == date('Ymd', $easter+3369600))//himmelfahrt
        {
            return true;
        }
        if(date('Ymd', $time) == date('Ymd', $easter+4320000))//pfingstmontag
        {
            return true;
        }
        return false;
    }
    
    /**
     * 
     * @param int $year
     * @return int
     */
    protected function _getEasterDate($year)
    {
        $year = intval($year);
        if(function_exists('easter_date'))
        {
            return Mage::getModel('core/date')->timestamp(easter_date($year));
        }
        // workaround for hhvm, time in GMT +0.00
        switch($year) {
            case 2014:
                return 1397952000;
            case 2015:
                return 1428192000;
            case 2016:
                return 1459040400;
            case 2017:
                return 1492300800;
            case 2018:
                return 1522540800;
            case 2019:
                return 1555804800;
            case 2020:
                return 1586649600;
            case 2021:
                return 1617494400;
            case 2022:
                return 1650153600;
            case 2023:
                return 1680998400;
            case 2024:
                return 1711846800;
            case 2025:
                return 1745107200;
            case 2026:
                return 1775347200;
            case 2027:
                return 1806195600;
            case 2028:
                return 1839456000;
            case 2029:
                return 1869696000;
            case 2030:
                return 1902960000;
            case 2031:
                return 1933804800;
            case 2032:
                return 1964048400;
            case 2033:
                return 1997308800;
            case 2034:
                return 2028153600;
            case 2035:
                return 2058397200;
            case 2036:
                return 2091657600;
            }
            return 0;
    }
}

example.php

<?php
$_shipment = Mage::helper('module/eu_shipment');
/* @var $_shipment Loewenstark_Energetic_Helper_Eu_Shipment */
$from = date('d.m.Y', $_shipment->getFromDays());
$to = date('d.m.Y', $_shipment->getToDays(null));