PHP Mage_Eav_Model_Entity_Collection_Abstract::addFieldToFilter方法代码示例

 /**
  * Retrieve loaded category collection
  *
  * @return Mage_Eav_Model_Entity_Collection_Abstract
  */
 public function getLoadedProductCollectionpro($id)
 {
     // benchmarking
     $memory = memory_get_usage();
     $time = microtime();
     if (is_null($this->_productCollection)) {
         $layer = $this->getLayer();
         if ($this->getShowRootCategory()) {
             $this->setCategoryId(Mage::app()->getStore()->getRootCategoryId());
         }
         // if this is a product view page
         if (Mage::registry('product')) {
             // get collection of categories this product is associated with
             $categories = Mage::registry('product')->getCategoryCollection()->setPage(1, 1)->load();
             // if the product is associated with any category
             if ($categories->count()) {
                 // show products from this category
                 $this->setCategoryId(current($categories->getIterator()));
             }
         }
         $origCategory = null;
         if ($this->getCategoryId()) {
             $category = Mage::getModel('catalog/category')->load($this->getCategoryId());
             if ($category->getId()) {
                 $origCategory = $layer->getCurrentCategory();
                 $layer->setCurrentCategory($category);
                 $this->addModelTags($category);
             }
         }
         /* @var $layer Mage_Catalog_Model_Layer */
         /* @var $layer Mage_Catalog_Model_Layer */
         //$this->_productCollection = $layer->getProductCollection();
         /** @var $collection Mage_Catalog_Model_Resource_Product_Collection */
         $category = Mage::getModel('catalog/category')->load($this->_theCat);
         $this->_productCollection = Mage::getResourceModel('catalog/product_collection');
         // join sales order items column and count sold products
         $expression = new Zend_Db_Expr("SUM(oi.qty_ordered)");
         $condition = new Zend_Db_Expr("e.entity_id = oi.product_id AND oi.parent_item_id IS NULL");
         $this->_productCollection->addAttributeToSelect('*')->getSelect()->join(array('oi' => $this->_productCollection->getTable('sales/order_item')), $condition, array('sales_count' => $expression))->group('e.entity_id');
         //->order('sales_count' . ' ' . 'desc');
         $this->_productCollection->addFieldToFilter('status', '1');
         //join brand
         if ($this->getRequest()->getParam('brands_ids') != null and $this->getRequest()->getParam('brands_ids') != 0) {
             $brand_id = $this->getRequest()->getParam('brands_ids');
             $condition = new Zend_Db_Expr("br.option_id = {$brand_id} AND br.product_ids = e.entity_id");
             $this->_productCollection->getSelect()->join(array('br' => $this->_productCollection->getTable('shopbybrand/brand')), $condition, array('brand_id' => 'br.option_id'));
         }
         // join category
         $condition = new Zend_Db_Expr("e.entity_id = ccp.product_id");
         $condition2 = new Zend_Db_Expr("c.entity_id = ccp.category_id");
         $this->_productCollection->getSelect()->join(array('ccp' => $this->_productCollection->getTable('catalog/category_product')), $condition, array())->join(array('c' => $this->_productCollection->getTable('catalog/category')), $condition2, array('cat_id' => 'c.entity_id'));
         $condition = new Zend_Db_Expr("c.entity_id = cv.entity_id AND ea.attribute_id = cv.attribute_id");
         // cutting corners here by hardcoding 3 as Category Entiry_type_id
         $condition2 = new Zend_Db_Expr("ea.entity_type_id = 3 AND ea.attribute_code = 'name'");
         $this->_productCollection->getSelect()->join(array('ea' => $this->_productCollection->getTable('eav/attribute')), $condition2, array())->join(array('cv' => $this->_productCollection->getTable('catalog/category') . '_varchar'), $condition, array('cat_name' => 'cv.value'));
         $id = $this->getRequest()->getParam('id');
         $this->_productCollection->getSelect()->where('c.entity_id = ?', $id)->limit(20);
     }
     return $this->_productCollection;
 }

 /**
  * Retrieve loaded category collection
  *
  * @return Mage_Eav_Model_Entity_Collection_Abstract
  */
 protected function _getPostCollection()
 {
     if (is_null($this->_postCollection)) {
         $this->_postCollection = Mage::getModel('vc_miniblog/post')->getCollection();
         $this->_postCollection->getSelect()->columns(array('num_comment' => '(SELECT COUNT(*) FROM ' . Mage::getSingleton('core/resource')->getTableName('vc_miniblog/comment') . ' WHERE post_id = main_table.post_id)'));
         $tag = $this->getRequest()->getParam('tag');
         $cat = $this->getRequest()->getParam('cat');
         if (strlen($tag) > 0) {
             $this->_postCollection->addFieldToFilter('tags', array('like' => '%' . $tag . '%'));
         }
         if (strlen($cat) > 0) {
             $select = new Zend_Db_Select(Mage::getSingleton('core/resource')->getConnection('read'));
             $select->from(array('pc' => Mage::getSingleton('core/resource')->getTableName('vc_miniblog/post_category')), array('post_id'))->joinInner(array('c' => Mage::getSingleton('core/resource')->getTableName('vc_miniblog/category')), 'pc.category_id = c.category_id', array())->where('c.identifier = ?', $cat);
             $this->_postCollection->addFieldToFilter('post_id', array('in' => new Zend_Db_Expr($select)));
         }
         $select2 = new Zend_Db_Select(Mage::getSingleton('core/resource')->getConnection('read'));
         $select2->from(array('ps' => Mage::getSingleton('core/resource')->getTableName('vc_miniblog/post_store')), array('post_id'))->where('ps.store_id = ?', Mage::app()->getStore()->getId())->orWhere('ps.store_id = ?', 0);
         $this->_postCollection->addFieldToFilter('post_id', array('in' => new Zend_Db_Expr($select2)));
     }
     return $this->_postCollection;
 }

 public function addStatusFilter(Mage_Eav_Model_Entity_Collection_Abstract $collection, Mage_Adminhtml_Block_Widget_Grid_Column $column)
 {
     // echo $column->getFilter()->getValue();die;
     $collection->addFieldToFilter('main_table.status', array('eq' => $column->getFilter()->getValue()));
     // echo $collection->getSelect();die;
 }