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I need to be able to add an SKU column to the Best Sellers report. I have managed to add the column to the page by adding:

$this->addColumn('sku', array(
            'header'    => Mage::helper('Sales')->__('Skus'),
            'width'     => '100px',
            'index'     => 'skus',
            'type'      => 'text',
        ));

to the _prepareColumns() function but I cannot work out where I need to select the SKUs from in the Mage_Sales_Model_Resource_Report_Bestsellers class.

Anyone have any ideas? Thanks in advance.

EDIT:

Added this join to _prepareColumns but still not getting any data:

$resourceCollection = Mage::getResourceModel($this->getResourceCollectionName()); $resourceCollection->join('catalog/product', 'product_id = entity_id', '*');
$resourceCollection->setPeriod($filterData->getData('period_type')); $resourceCollection->setDateRange($filterData->getData('from', null), $filterData->getData('to', null)); $resourceCollection->addStoreFilter($storeIds); $resourceCollection->setAggregatedColumns($this->_getAggregatedColumns());

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What you will want to do is extend the Mage_Adminhtml_Block_Report_Sales_Bestsellers_Grid

Look at that class'es _prepareCollection() method

In your extended class, copy in the _prepareCollection() method, so you have a duplicate of it. Then modify it so that you are joining the product data against the collection.

$resourceCollection = Mage::getResourceModel($this->getResourceCollectionName()); 
$resourceCollection->join('catalog/product', 'product_id = entity_id', '*')
..

This should give you into your collection sku, and a number of other product information which you may wish to refine since we're selecting * in this case.

Now you need your column to reference the new columns which have been selected:

$this->addColumn('sku', array( 'header' => Mage::helper('Sales')->__('Skus'), 'width' => '100px', 'index' => 'sku', 'type' => 'text', ));

Note the lack of plural on sku (not skus).

This should now render with your grid showing SKU as intended.

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  • Thanks for the reply. I will write a module and try this out. I'm guessing the process will be the same for the other reports? – Daniel West Jun 17 '15 at 19:35
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    It should be yes. Provided that the collection in use has entity_id as a column representing the product. I should expect all the product focused ones will have this. – John Cuthbert Jun 18 '15 at 6:55
  • Hi John, just looking into this now and there doesn't seem to be a _prepareCollection() function in Mage_Adminhtml_Block_Report_Sales_Bestsellers_Grid. There is only _prepareColumns(). – Daniel West Jun 22 '15 at 12:44
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    _prepareCollection is inherited from the parent class, Mage_Adminhtml_Block_Report_Grid_Abstract. By putting this within your class you are overriding the functionality to provide your custom collection loading. – John Cuthbert Jun 22 '15 at 12:52
  • Ah yeah just checked that now. Knew it would be something like that. So I really only need to add the join condition to the existing $resourceCollection object? – Daniel West Jun 22 '15 at 13:02

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