1: <?php
  2: /**
  3:  * Magento
  4:  *
  5:  * NOTICE OF LICENSE
  6:  *
  7:  * This source file is subject to the Open Software License (OSL 3.0)
  8:  * that is bundled with this package in the file LICENSE.txt.
  9:  * It is also available through the world-wide-web at this URL:
 10:  * http://opensource.org/licenses/osl-3.0.php
 11:  * If you did not receive a copy of the license and are unable to
 12:  * obtain it through the world-wide-web, please send an email
 13:  * to license@magentocommerce.com so we can send you a copy immediately.
 14:  *
 15:  * DISCLAIMER
 16:  *
 17:  * Do not edit or add to this file if you wish to upgrade Magento to newer
 18:  * versions in the future. If you wish to customize Magento for your
 19:  * needs please refer to http://www.magentocommerce.com for more information.
 20:  *
 21:  * @category    Mage
 22:  * @package     Mage_Catalog
 23:  * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 24:  * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 25:  */
 26: 
 27: /**
 28:  * New products block
 29:  *
 30:  * @category   Mage
 31:  * @package    Mage_Catalog
 32:  * @author      Magento Core Team <core@magentocommerce.com>
 33:  */
 34: class Mage_Catalog_Block_Product_New extends Mage_Catalog_Block_Product_Abstract
 35: {
 36:     protected $_productsCount = null;
 37: 
 38:     const DEFAULT_PRODUCTS_COUNT = 5;
 39: 
 40:     /**
 41:      * Initialize block's cache
 42:      */
 43:     protected function _construct()
 44:     {
 45:         parent::_construct();
 46: 
 47:         $this->addColumnCountLayoutDepend('empty', 6)
 48:             ->addColumnCountLayoutDepend('one_column', 5)
 49:             ->addColumnCountLayoutDepend('two_columns_left', 4)
 50:             ->addColumnCountLayoutDepend('two_columns_right', 4)
 51:             ->addColumnCountLayoutDepend('three_columns', 3);
 52: 
 53:         $this->addData(array(
 54:             'cache_lifetime'    => 86400,
 55:             'cache_tags'        => array(Mage_Catalog_Model_Product::CACHE_TAG),
 56:         ));
 57:     }
 58: 
 59:     /**
 60:      * Get Key pieces for caching block content
 61:      *
 62:      * @return array
 63:      */
 64:     public function getCacheKeyInfo()
 65:     {
 66:         return array(
 67:            'CATALOG_PRODUCT_NEW',
 68:            Mage::app()->getStore()->getId(),
 69:            Mage::getDesign()->getPackageName(),
 70:            Mage::getDesign()->getTheme('template'),
 71:            Mage::getSingleton('customer/session')->getCustomerGroupId(),
 72:            'template' => $this->getTemplate(),
 73:            $this->getProductsCount()
 74:         );
 75:     }
 76: 
 77:     /**
 78:      * Prepare collection with new products and applied page limits.
 79:      *
 80:      * return Mage_Catalog_Block_Product_New
 81:      */
 82:     protected function _beforeToHtml()
 83:     {
 84:         $todayStartOfDayDate  = Mage::app()->getLocale()->date()
 85:             ->setTime('00:00:00')
 86:             ->toString(Varien_Date::DATETIME_INTERNAL_FORMAT);
 87: 
 88:         $todayEndOfDayDate  = Mage::app()->getLocale()->date()
 89:             ->setTime('23:59:59')
 90:             ->toString(Varien_Date::DATETIME_INTERNAL_FORMAT);
 91: 
 92:         $collection = Mage::getResourceModel('catalog/product_collection');
 93:         $collection->setVisibility(Mage::getSingleton('catalog/product_visibility')->getVisibleInCatalogIds());
 94: 
 95: 
 96:         $collection = $this->_addProductAttributesAndPrices($collection)
 97:             ->addStoreFilter()
 98:             ->addAttributeToFilter('news_from_date', array('or'=> array(
 99:                 0 => array('date' => true, 'to' => $todayEndOfDayDate),
100:                 1 => array('is' => new Zend_Db_Expr('null')))
101:             ), 'left')
102:             ->addAttributeToFilter('news_to_date', array('or'=> array(
103:                 0 => array('date' => true, 'from' => $todayStartOfDayDate),
104:                 1 => array('is' => new Zend_Db_Expr('null')))
105:             ), 'left')
106:             ->addAttributeToFilter(
107:                 array(
108:                     array('attribute' => 'news_from_date', 'is'=>new Zend_Db_Expr('not null')),
109:                     array('attribute' => 'news_to_date', 'is'=>new Zend_Db_Expr('not null'))
110:                     )
111:               )
112:             ->addAttributeToSort('news_from_date', 'desc')
113:             ->setPageSize($this->getProductsCount())
114:             ->setCurPage(1)
115:         ;
116: 
117:         $this->setProductCollection($collection);
118: 
119:         return parent::_beforeToHtml();
120:     }
121: 
122:     /**
123:      * Set how much product should be displayed at once.
124:      *
125:      * @param $count
126:      * @return Mage_Catalog_Block_Product_New
127:      */
128:     public function setProductsCount($count)
129:     {
130:         $this->_productsCount = $count;
131:         return $this;
132:     }
133: 
134:     /**
135:      * Get how much products should be displayed at once.
136:      *
137:      * @return int
138:      */
139:     public function getProductsCount()
140:     {
141:         if (null === $this->_productsCount) {
142:             $this->_productsCount = self::DEFAULT_PRODUCTS_COUNT;
143:         }
144:         return $this->_productsCount;
145:     }
146: }
147: