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Monday, March 16, 2009

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How to Display Featured Product in Magento

What is featured product?
The Featured Product is a product with an attribute added from the administrative UI. When the administrator selects "Yes" in the "Featured" attribute, that product will be displayed in a content block on the category page.

Step to follow to achieve this
1) Create new "Featured" attribute
Create a new attribute by going to Catalog > Attributes > Manage Attributes > Add New Attribute.

Attribute Properties

* Attribute Identifier: featured
* Scope: Store View
* Catalog Input Type for Store Owner: Yes/No
* Unique Value (not shared with other products): No
* Values Required: No
* Input Validation for Store Owner: None
* Apply To: All Product Types

Front End Properties

* Use in quick search: No
* Use in advanced search: Yes
* Comparable on Front-end: No
* Use In Layered Navigation (Can be used only with catalog input type ‘Dropdown’): No
* Visible on Catalog Pages on Front-end: Yes

Manage Label/Options

* Default: Featured Product
* English: Featured Product

Save the new attribute and go to Catalog ? Attributes ? Manage Attributes Sets to add the attribute to the default feature set.

2) Add Block configuration to catalog.xml
Open MyCompany/app/design/frontend/default/default/layout/catalog.xml. We want to add a new right above the product list block in the default category layout.

Insert the block configuration on line 73 (default catalog.xml).
<block type="catalog/product_featured" name="product_featured" as="product_featured" template="catalog/product/featured.phtml"></block>

3) Create new block class that will instantiate the featured product

Create a new file, and directories: app/code/local/MyCompany/Catalog/Block/Product/Featured.php

<php
class MyCompany_Catalog_Block_Product_Featured extends Mage_Catalog_Block_Product_Abstract
{
public function getFeaturedProduct()
{
// instantiate database connection object
$categoryId = $this->getRequest()->getParam('id', false);
$resource = Mage::getSingleton('core/resource');
$read = $resource->getConnection('catalog_read');
$categoryProductTable = $resource->getTableName('catalog/category_product');

//$productEntityIntTable = $resource->getTableName('catalog/product_entity_int'); // doesn't work :(
$productEntityIntTable = (string)Mage::getConfig()->getTablePrefix() .'catalog_product_entity_int';
$eavAttributeTable = $resource->getTableName('eav/attribute');

// Query database for featured product
$select = $read->select()
->from(array('cp'=>$categoryProductTable))

->join(array('pei'=>$productEntityIntTable), 'pei.entity_id=cp.product_id', array())
->joinNatural(array('ea'=>$eavAttributeTable))
->where('cp.category_id=?', $categoryId)
->where('pei.value=1')
->where('ea.attribute_code="featured"');

$row = $read->fetchRow($select);


return Mage::getModel('catalog/product')->load($row['product_id']);
}
}

?>

4) Extend Mage_Catalog_Block_Category_View

Create a new file, and directories, called app/code/local/MyCompany/Catalog/Block/Category/View.php. We’re extending the core class here so our module will be separate from the core code base. When upgrading, we won’t have to worry about our code not working or having to patch files.

<php
class MyCompany_Catalog_Block_Category_View extends Mage_Catalog_Block_Category_View
{
public function getFeaturedProductHtml()
{
return $this->getBlockHtml('product_featured');
}
}
?>

5) Modify the templates

Edit app/design/frontend/default/default/template/catalog/category/view.phtml and add the following code:

<?=$this->getFeaturedProductHtml()?>

right above this line:

<?=$this->getProductListHtml()?>

Create app/design/frontend/default/default/template/catalog/product/featured.phtml and add some product info HTML to show the featured product. Here is an example that simply displays a link to the product:

<?php $_product=$this->getFeaturedProduct() ?>

Check this out: <a href="<?php echo $_product->getProductUrl() ?>"><?php echo $this->htmlEscape($_product->getName()) ?></a>>


6) Add new blocks to the app/etc/local.xml

<blocks>
<catalog>
<rewrite> <product_featured>MyCompany_Catalog_Block_Product_Featured</product_featured>
</rewrite>
<rewrite>
<category_view>MyCompany_Catalog_Block_Category_View</category_view>
</rewrite>
</catalog>
</blocks>


I hope this helps you add a “Featured Product” feature. It certainly feels thorough, but if I left anything out, please let me know and I’ll be happy to help.

Source: http://www.magentocommerce.com/wiki/how_to_create_a_featured_product

5 comments:

  1. can u tell me how to add newsletter that will be shoen in front page
    i know it comes from subscribe.phtml but how to link this subscribe page so newsletter will be shown in front page.

    ReplyDelete
  2. Hi, I tried to replicate what you're doing here but in my part the result is no good. No featured products displays instead it displayed nothing. I would like to ask about the use of the MyCompany folder in creating the Featured.php and view.php?

    ReplyDelete
  3. Hi,I tried this code but nothing happen in front-end

    ReplyDelete
  4. Very Good Article. I like it. Thank You very much.
    Congratulations......................

    ReplyDelete
  5. I interest this article.
    Thank you

    ReplyDelete