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Add/Update Customer group product price using CSV in Magento

Hi Guys!!! After a long time I am back on posting. While working on a project I came with a problem of updating customer group pricing in magento using CSV. Well not  a big problem, let first discuss the logic. There are two tables in magento updates when you add customer group price:

1) catalog_product_index_group_price
2) catalog_product_entity_group_price

So here is the code

       

<?php

//Upload File

if (isset($_POST['submit'])) {

    if (is_uploaded_file($_FILES['filename']['tmp_name'])) {

        echo "<h1>" . "File ". $_FILES['filename']['name'] ." uploaded successfully." . "</h1>";

        //readfile($_FILES['filename']['tmp_name']);

    }



    //Import uploaded file to Database

    $handle = fopen($_FILES['filename']['tmp_name'], "r");

    $i=0;

    while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) {

        if($i>0) {

            $si = Mage::getModel('catalog/product')->loadByAttribute('sku',$data[0]);

            $product = Mage::getModel ('catalog/product')->load($si->getId());

            $group_prices = $product->getData('group_price');

            if (is_null($group_prices)) {

                $attribute = $product->getResource()->getAttribute('group_price');

                if ($attribute) {

                    $attribute->getBackend()->afterLoad($product);

                    $group_prices = $product->getData('group_price');

                }

            }

            if(!is_array($group_prices)){

                $group_prices = array();

            }



            $new_price = array(array ('website_id'=>0, 

                          'cust_group'=>$data[1],

                          'price'=>$data[2]));

            $group_prices = array_merge($group_prices, $new_price);

            try{

                // First Delete all the group prices of product

                $product->setData('group_price',array());

                $product->save();

                // Again save the old prices and new prices

                $product->setData('group_price', $group_prices);

                $product->save();               

                $outputStr[] = 'Sku ' . $data[0] . 'updated successfully.<br/>'; 

            } catch(Exception $e) {

                echo $e->getMessage();

            }

        }

        $i++;

    }

    fclose($handle);

    //view upload form

}

?>

You can use below CSV format

       
Sku  | Customer Group Id              | Price

----------------------------------------------------

12   |  1                             | 234


This is the format. Hope this code will help you.
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