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<?php
/* --------------------------------------------------------------
   CustomerCountryZoneRepository.inc.php 2017-03-20 gm
   Gambio GmbH
   http://www.gambio.de
   Copyright (c) 2017 Gambio GmbH
   Released under the GNU General Public License (Version 2)
   [http://www.gnu.org/licenses/gpl-2.0.html]
   --------------------------------------------------------------
*/

MainFactory::load_class('CustomerCountryZoneRepositoryInterface');

/**
 * Class CustomerCountryZoneRepository
 *
 * This class provides basic methods for finding customer country zone data
 *
 * @category   System
 * @package    Customer
 * @subpackage CountryZone
 * @implements CustomerCountryZoneRepositoryInterface
 */
class CustomerCountryZoneRepository implements CustomerCountryZoneRepositoryInterface
{
    /**
     * @var CustomerCountryZoneReaderInterface
     */
    protected $customerCountryZoneReader;
    
    /**
     * @var AbstractCustomerFactory
     */
    protected $customerFactory;
    
    
    /**
     * Constructor of the class CustomerCountryZoneRepository
     *
     * @param CustomerCountryZoneReaderInterface $customerCountryZoneReader
     * @param AbstractCustomerFactory            $customerFactory
     */
    public function __construct(CustomerCountryZoneReaderInterface $customerCountryZoneReader,
                                AbstractCustomerFactory $customerFactory)
    {
        $this->customerCountryZoneReader = $customerCountryZoneReader;
        $this->customerFactory           = $customerFactory;
    }
    
    
    /**
     * @param IdType $countryZoneId
     *
     * @throws Exception if country zone not found
     *
     * @return CustomerCountryZoneInterface
     */
    public function getById(IdType $countryZoneId)
    {
        $countryZone = $this->customerCountryZoneReader->findById($countryZoneId);
        
        if($countryZone === null)
        {
            throw new Exception('country zone not found');
        }
        
        return $countryZone;
    }
    
    
    /**
     * @param CustomerCountryZoneNameInterface $countryZoneName
     * @param CustomerCountryInterface         $country
     *
     * @throws Exception if country zone not found
     *
     * @return CustomerCountryZoneInterface
     */
    public function getByNameAndCountry(CustomerCountryZoneNameInterface $countryZoneName,
                                        CustomerCountryInterface $country)
    {
        $countryZone = $this->customerCountryZoneReader->findByNameAndCountry($countryZoneName, $country);
        
        if($countryZone === null)
        {
            throw new Exception('country zone not found');
        }
        
        return $countryZone;
    }
    
    
    /**
     * This method will return a new CustomerCountryZone object representing an unknown country zone.
     * ID is 0 and ISO code is empty.
     *
     * @param CustomerCountryZoneNameInterface $countryZoneName
     *
     * @return CustomerCountryZone
     */
    public function getUnknownCountryZoneByName(CustomerCountryZoneNameInterface $countryZoneName)
    {
        return $this->customerFactory->createCustomerCountryZone(new IdType(0), $countryZoneName,
                                                                 MainFactory::create('CustomerCountryZoneIsoCode', ''));
    }
    
    
    /**
     * This method will get the country zone by its name and country if it exists, if not it will return null.
     *
     * @param CustomerCountryZoneNameInterface $countryZoneName
     * @param CustomerCountryInterface         $country
     *
     * @return CustomerCountryZone|null
     */
    public function findByNameAndCountry(CustomerCountryZoneNameInterface $countryZoneName,
                                         CustomerCountryInterface $country)
    {
        $countryZone = $this->customerCountryZoneReader->findByNameAndCountry($countryZoneName, $country);
        
        return $countryZone;
    }
    
    
    /**
     * This method will get the country zone by its ID if it exists, if not it will return null.
     *
     * @param IdType $countryZoneId
     *
     * @return CustomerCountryZone|null
     */
    public function findById(IdType $countryZoneId)
    {
        $countryZone = $this->customerCountryZoneReader->findById($countryZoneId);
        
        return $countryZone;
    }
    
    
    /**
     * This method will return an array of country zones found by the country ID.
     *
     * @param IdType $countryId
     *
     * @return array
     */
    public function findCountryZonesByCountryId(IdType $countryId)
    {
        $countryZones = $this->customerCountryZoneReader->findCountryZonesByCountryId($countryId);
        
        return $countryZones;
    }
    
    
    /**
     * This method returns whether the specified country, necessary, needs a state.
     *
     * @param IdType $countryId
     *
     * @return bool
     */
    public function isStateMandatory(IdType $countryId)
    {
        return $this->customerCountryReader->isStateMandatory($countryId);
    }
    
    
    /**
     * Finds the country zone by the given zone code and country.
     * Null will be returned if no results are found.
     *
     * @param \CustomerCountryZoneIsoCodeInterface $zoneCode Zone code of expected country zone.
     * @param \CustomerCountryInterface            $country  Country of zone.
     *
     * @return \CustomerCountryZoneInterface|null
     */
    public function findCountryZoneByZoneCodeAndCountry(CustomerCountryZoneIsoCodeInterface $zoneCode,
                                                        CustomerCountryInterface $country)
    {
        return $this->customerCountryZoneReader->findCountryZoneByZoneCodeAndCountry($zoneCode, $country);
    }
    
    
    /**
     * Returns the country zone by the given zone code and country id.
     * Null will be returned if no results are found.
     *
     * @param \CustomerCountryZoneIsoCodeInterface $zoneCode  Zone code of expected country zone.
     * @param \IdType                              $countryId Country id of zone.
     *
     * @return \CustomerCountryZoneInterface
     */
    public function findCountryZoneByZoneCodeAndCountryId(CustomerCountryZoneIsoCodeInterface $zoneCode,
                                                          IdType $countryId)
    {
        return $this->customerCountryZoneReader->findCountryZoneByZoneCodeAndCountryId($zoneCode, $countryId);
    }
}