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  1. POHow to slove the issue in overriding the addaction() in Mage checkout controllers
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    <p>I am doing a magento customaization site i need to add certain product details to database so i have used the function addAction() in Mage checkout controller, inorder to make it a module i have to override the cartController's Addaction()</p> <p>i have referenced the stackoverflow's overriding controller questions but no use it is using the coding in Mage checkout controllers</p> <p>I have used below code,Any help will be appreciated</p> <pre><code>code\local\SmartGrowth\CompatibleWith\etc &lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;config&gt; &lt;modules&gt; &lt;SmartGrowth_CompatibleWith&gt; &lt;version&gt;0.1.0&lt;/version&gt; &lt;/SmartGrowth_CompatibleWith&gt; &lt;/modules&gt; &lt;!-- Configure our module's behavior in the global scope --&gt; &lt;global&gt; &lt;blocks&gt; &lt;catalog&gt; &lt;rewrite&gt; &lt;product_view&gt;SmartGrowth_CompatibleWith_Block_CompatibleWith&lt;/product_view&gt; &lt;/rewrite&gt; &lt;/catalog&gt; &lt;/blocks&gt; &lt;/global&gt; &lt;frontend&gt; &lt;routers&gt; &lt;checkout&gt; &lt;use&gt;standard&lt;/use&gt; &lt;modules&gt; &lt;SmartGrowth_CompatibleWith_Checkout before="Mage_Checkout"&gt;SmartGrowth_CompatibleWith_Checkout&lt;/SmartGrowth_CompatibleWith_Checkout&gt; &lt;/modules&gt; &lt;/checkout&gt; &lt;/routers&gt; &lt;/frontend&gt; &lt;/config&gt; </code></pre> <p>app\code\local\SmartGrowth\CompatibleWith\controllers\Checkout</p> <pre><code> require_once 'Mage/Checkout/controllers/CartController.php'; class SmartGrowth_CompatibleWith_Checkout_CartController extends Mage_Core_Controller_Front_Action { public function addAction() { $cart = $this-&gt;_getCart(); $params = $this-&gt;getRequest()-&gt;getParams(); $postData = Mage::app()-&gt;getRequest()-&gt;getPost(); try { if (isset($params['qty'])) { $filter = new Zend_Filter_LocalizedToNormalized( array('locale' =&gt; Mage::app()-&gt;getLocale()-&gt;getLocaleCode()) ); $params['qty'] = $filter-&gt;filter($params['qty']); } $product = $this-&gt;_initProduct(); $related = $this-&gt;getRequest()-&gt;getParam('related_product'); /** * Check product availability */ if (!$product) { $this-&gt;_goBack(); return; } $cart-&gt;addProduct($product, $params); if (!empty($related)) { $cart-&gt;addProductsByIds(explode(',', $related)); } $cart-&gt;save(); $cart_id = $cart-&gt;getQuote()-&gt;getId(); $product_id=Mage::helper('core')-&gt;escapeHtml($product-&gt;getId()); $write = Mage::getSingleton('core/resource')-&gt;getConnection('core_write'); $readresult=$write-&gt;query("SELECT item_id FROM mage_sales_flat_quote_item WHERE quote_id='$cart_id' AND product_id='$product_id'"); $row = $readresult-&gt;fetch() ; $item_id=$row['item_id']; $brand = Mage::getSingleton('core/session')-&gt;getMyModelbrandData(); if($postData['check_value']==1) { $myData = Mage::getSingleton('core/session')-&gt;getMyModelTypeData(); $myDataver = Mage::getSingleton('core/session')-&gt;getMyModelVersionData(); }else if($postData['check_value']==2) { $model_type = $postData['model_type']; $myDataver = Mage::getSingleton('core/session')-&gt;getMyModelVersionData(); }else if($postData['check_value']==3) { $model_version =$postData['model_version']; $myData = Mage::getSingleton('core/session')-&gt;getMyModelTypeData(); }else if($postData['check_value']==4) { $model_type =$postData['model_type']; $model_version =$postData['model_version']; } /*if($postData['model_type']!=''&amp;&amp; $postData['model_version']!='') { $model_type =$postData['model_type']; $model_version =$postData['model_version']; }else { $myData = Mage::getSingleton('core/session')-&gt;getMyModelTypeData(); $myDataver = Mage::getSingleton('core/session')-&gt;getMyModelVersionData(); }*/ if($myData !=''): // now $write is an instance of Zend_Db_Adapter_Abstract $readresult=$write-&gt;query("SELECT * FROM mage_eav_attribute_option_value WHERE option_id='$myData'"); $row = $readresult-&gt;fetch() ; $model_type=$row['value']; endif; if($myDataver !=''): $readresult1=$write-&gt;query("SELECT * FROM mage_eav_attribute_option_value WHERE option_id='$myDataver'"); $row1 = $readresult1-&gt;fetch() ; $model_version=$row1['value']; endif; $write-&gt;beginTransaction(); $fields = array(); $fields['model_type'] = $model_type; $fields['model_version'] = $model_version; $fields['brand'] = $brand; $where = $write-&gt;quoteInto('item_id =?', $item_id); $write-&gt;update('mage_sales_flat_quote_item', $fields, $where); $write-&gt;commit(); /** * @todo remove wishlist observer processAddToCart */ Mage::dispatchEvent('checkout_cart_add_product_complete', array('product' =&gt; $product, 'request' =&gt; $this-&gt;getRequest(), 'response' =&gt; $this-&gt;getResponse()) ); if (!$this-&gt;_getSession()-&gt;getNoCartRedirect(true)) { if (!$cart-&gt;getQuote()-&gt;getHasError()){ $message = $this-&gt;__('%s was added to your shopping cart.', Mage::helper('core')-&gt;escapeHtml($product-&gt;getName())); $this-&gt;_getSession()-&gt;addSuccess($message); } $this-&gt;_goBack(); } } catch (Mage_Core_Exception $e) { if ($this-&gt;_getSession()-&gt;getUseNotice(true)) { $this-&gt;_getSession()-&gt;addNotice(Mage::helper('core')-&gt;escapeHtml($e-&gt;getMessage())); } else { $messages = array_unique(explode("\n", $e-&gt;getMessage())); foreach ($messages as $message) { $this-&gt;_getSession()-&gt;addError(Mage::helper('core')-&gt;escapeHtml($message)); } } $url = $this-&gt;_getSession()-&gt;getRedirectUrl(true); if ($url) { $this-&gt;getResponse()-&gt;setRedirect($url); } else { $this-&gt;_redirectReferer(Mage::helper('checkout/cart')-&gt;getCartUrl()); } } catch (Exception $e) { $this-&gt;_getSession()-&gt;addException($e, $this-&gt;__('Cannot add the item to shopping cart.')); Mage::logException($e); $this-&gt;_goBack(); } } } </code></pre>
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