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_CatalogSearch
 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:  * Catalogsearch term block
 29:  *
 30:  * @category   Mage
 31:  * @package    Mage_CatalogSearch
 32:  * @author     Magento Core Team <core@magentocommerce.com>
 33:  */
 34: class Mage_CatalogSearch_Block_Term extends Mage_Core_Block_Template
 35: {
 36:     protected $_terms;
 37:     protected $_minPopularity;
 38:     protected $_maxPopularity;
 39: 
 40:     public function __construct()
 41:     {
 42:         parent::__construct();
 43:     }
 44: 
 45:     /**
 46:      * Load terms and try to sort it by names
 47:      *
 48:      * @return Mage_CatalogSearch_Block_Term
 49:      */
 50:     protected function _loadTerms()
 51:     {
 52:         if (empty($this->_terms)) {
 53:             $this->_terms = array();
 54:             $terms = Mage::getResourceModel('catalogsearch/query_collection')
 55:                 ->setPopularQueryFilter(Mage::app()->getStore()->getId())
 56:                 ->setPageSize(100)
 57:                 ->load()
 58:                 ->getItems();
 59: 
 60:             if( count($terms) == 0 ) {
 61:                 return $this;
 62:             }
 63: 
 64: 
 65:             $this->_maxPopularity = reset($terms)->getPopularity();
 66:             $this->_minPopularity = end($terms)->getPopularity();
 67:             $range = $this->_maxPopularity - $this->_minPopularity;
 68:             $range = ( $range == 0 ) ? 1 : $range;
 69:             foreach ($terms as $term) {
 70:                 if( !$term->getPopularity() ) {
 71:                     continue;
 72:                 }
 73:                 $term->setRatio(($term->getPopularity()-$this->_minPopularity)/$range);
 74:                 $temp[$term->getName()] = $term;
 75:                 $termKeys[] = $term->getName();
 76:             }
 77:             natcasesort($termKeys);
 78: 
 79:             foreach ($termKeys as $termKey) {
 80:                 $this->_terms[$termKey] = $temp[$termKey];
 81:             }
 82:         }
 83:         return $this;
 84:     }
 85: 
 86:     public function getTerms()
 87:     {
 88:         $this->_loadTerms();
 89:         return $this->_terms;
 90:     }
 91: 
 92:     public function getSearchUrl($obj)
 93:     {
 94:         $url = Mage::getModel('core/url');
 95:         /*
 96:         * url encoding will be done in Url.php http_build_query
 97:         * so no need to explicitly called urlencode for the text
 98:         */
 99:         $url->setQueryParam('q', $obj->getName());
100:         return $url->getUrl('catalogsearch/result');
101:     }
102: 
103:     public function getMaxPopularity()
104:     {
105:         return $this->_maxPopularity;
106:     }
107: 
108:     public function getMinPopularity()
109:     {
110:         return $this->_minPopularity;
111:     }
112: }
113: