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Can I create a “composite” attribute? 
 
feuerbach
Jr. Member
 
Total Posts:  4
Joined:  2011-07-14
 

Hello,

I would like Magento to create an attribute made by other attributes: to be specific a single attribute that retrieves values from “manufacturer” “name” “sku” and one more custom attribute.

Is it possible? If so, how?

Thanks for any kind of help!

 
 
Posted: July 31 2012
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magestore
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Total Posts:  961
Joined:  2009-08-07
Viet Nam
 

Hi Feuerbach,
It is ok. To insert to an attribute, Magento supports feature “source” so that you can customize insert data as you want. In the array that is to insert to attribute you can set ‘source’ as “name class get value to other attribute”. For example:

$data = array(
  'group' => 'General',
  'type' => 'int',
  'input' => 'select',
  'label' => 'Wrappable',
  'backend' => '',
  'frontend' => '',
  'source' => 'giftwrap/attribute_wrappable',
  'visible' => 1,
  'required' => 1,
  'user_defined' => 1,
  'is_searchable' => 1,
  'is_filterable' => 0,
  'is_comparable' => 1,
  'is_visible_on_front' => 0,
  'is_visible_in_advanced_search' => 1,
  'used_for_sort_by' => 0,
  'used_in_product_listing' => 1,
  'used_for_price_rules' => 1,
  'is_used_for_promo_rules' => 1,
  'position' => 2,
  'unique' => 0,
  'is_configurable' => 1,
  'default' => 0,
  'is_global' => Mage_Catalog_Model_Resource_Eav_Attribute::SCOPE_STORE
 );

 $setup->addAttribute('catalog_product','giftwrap',$data);
As the code above you can see ‘source’ => ‘giftwrap/attribute_wrappable’, I used class ‘giftwrap/attribute_wrappable’ to insert value for a new attribute ‘giftwrap’.
Hope you are succeed.

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Posted: August 3 2012
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feuerbach
Jr. Member
 
Total Posts:  4
Joined:  2011-07-14
 

Thanks for the prompt response!

I am pretty confident with interface customization but not too much with backend coding.

What file am I supposed to search in order to apply this customization?

 
 
Posted: August 17 2012
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magestore
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Total Posts:  961
Joined:  2009-08-07
Viet Nam
 

Hi Feuerbach,
You can create a setup sql file and a file to get source for attribute example as below:

- File sql setup:

<?php
$setup =  new Mage_Eav_Model_Entity_Setup('core_setup');
$installer = $this;
$installer->startSetup();

//Giftwrap attribute
$entity_type = Mage::getSingleton("eav/entity_type")->loadByCode("catalog_product");
$entity_type_id = $entity_type->getId();
$collection = Mage::getModel("eav/entity_attribute")
            ->getCollection()
            ->addFieldToFilter("entity_type_id",$entity_type_id)
            ->addFieldToFilter("attribute_code","giftwrap");
            
if(!count($collection))
{
    $data = array(
        'group'    =>    'General',
        'type'    =>    'int',
        'input'    =>    'select',
        'label'    =>    'Wrappable',
        'backend'    =>    '',
        'frontend'    =>    '',
        'source'    => 'giftwrap/attribute_wrappable',
        'visible'    =>    1,
        'required'    =>    1,
        'user_defined'    =>    1,
        'is_searchable'    =>    1,
        'is_filterable'    =>    0,
        'is_comparable'    =>    1,
        'is_visible_on_front'    =>    0,
        'is_visible_in_advanced_search'    => 1,
        'used_for_sort_by'    => 0,
        'used_in_product_listing'    => 1,
        'used_for_price_rules'    => 1,
        'is_used_for_promo_rules'    => 1,
        'position'    => 2,
        'unique'    =>    0,
        'is_configurable'    =>    1,
        'default'    => 0,
        'is_global'    =>    Mage_Catalog_Model_Resource_Eav_Attribute::SCOPE_STORE
    );

    $setup->addAttribute('catalog_product','giftwrap',$data);

    $entity_type_id = $setup->getEntityTypeId('catalog_product');
    $data['entity_type_id'] = $entity_type_id;
    $attribute = Mage::getModel("eav/entity_attribute")
        ->setData($data)
        ->setId($setup->getAttributeId('catalog_product','giftwrap'));
    $attribute->save();
}

$installer->run("

");
        
$installer->endSetup();

- File get source for attribute:

<?php


class Magestore_Giftwrap_Model_Attribute_Wrappable extends Mage_Eav_Model_Entity_Attribute_Source_Abstract
{
    
    /**
     * Retrieve all options array
     *
     * @return array
     */
    public function getAllOptions()
    {
        if (is_null($this->_options)) {
            $this->_options = array(
                array(
                    'label' => Mage::helper('eav')->__('Yes'),
                    'value' =>  0
                ),
                array(
                    'label' => Mage::helper('eav')->__('No'),
                    'value' =>  1
                ),
            );
        }
        return $this->_options;
    }

    /**
     * Retrieve option array
     *
     * @return array
     */
    public function getOptionArray()
    {
        $_options = array();
        foreach ($this->getAllOptions() as $option) {
            $_options[$option['value']] = $option['label'];
        }
        return $_options;
    }

    /**
     * Get a text for option value
     *
     * @param string|integer $value
     * @return string
     */
    public function getOptionText($value)
    {
        $options = $this->getAllOptions();
        foreach ($options as $option) {
            if ($option['value'] == $value) {
                return $option['label'];
            }
        }
        return false;
    }

    /**
     * Retrieve Column(s) for Flat
     *
     * @return array
     */
    public function getFlatColums()
    {
        $columns = array();
        $columns[$this->getAttribute()->getAttributeCode()] = array(
            'type'      => 'tinyint(1)',
            'unsigned'  => false,
            'is_null'   => true,
            'default'   => null,
            'extra'     => null
        );

        return $columns;
    }

    /**
     * Retrieve Indexes(s) for Flat
     *
     * @return array
     */
    public function getFlatIndexes()
    {
        $indexes = array();

        $index = 'IDX_' . strtoupper($this->getAttribute()->getAttributeCode());
        $indexes[$index] = array(
            'type'      => 'index',
            'fields'    => array($this->getAttribute()->getAttributeCode())
        );

        return $indexes;
    }

    /**
     * Retrieve Select For Flat Attribute update
     *
     * @param int $store
     * @return Varien_Db_Select|null
     */
    public function getFlatUpdateSelect($store)
    {
        return Mage::getResourceModel('eav/entity_attribute')
            ->getFlatUpdateSelect($this->getAttribute(), $store);
    }
}

Hope you succeed,
Magestore

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Mega Menu brings flexible configuration to store’s navigation Menu
Magento Extensions and Templates: Affiliate, Store pickup, Gift-wrap, Gift voucher, 1stepcheckout, Auction…
Magento Affiliate - Full-functioned Magento extension to run Affiliate program at $99

 
 
Posted: August 31 2012
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Sergefactor
Jr. Member
 
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Total Posts:  10
Joined:  2012-04-08
 

Hi I’m having a Reindex Required issue. I just installed the Gift Card extension that I purchased and flushed the cache, when I try to reindex the Catalog Search Index I keep getting this warning [ Source model “giftwrap/attribute_wrappable” not found for attribute “giftwrap” ] .

After searching a few forums I found this thread and I believe this is the fix I’m looking for. Can you provide a little more detail on where exactly I need to create and put these files? Are there any other requirements that I’m missing? I followed the install instructions.

Thanks.

 
 
Posted: December 11 2012
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