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I am working on a project which has a category.

And I want to add product buying option only for that category products. Other categories don't have product buying options.

I want to know the best way to implement this. Please explain in detail.

  • product buying option ??? – Yehuda Schwartz Feb 20 '19 at 15:34
  • Means add to cart functionality for category products. – Smita Kagwade Feb 20 '19 at 16:16
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You can user observer the controller_action_predispatch_checkout_cart_add event.

<config> [...] <frontend> <events> <controller_action_predispatch_checkout_cart_add> <observers> <namespace_module_add_product> <class>namespace_module/observer</class> <method>logCartAdd</method> </namespace_module_add_product> </observers> </controller_action_predispatch_checkout_cart_add> </events> </frontend> [...] </config>

Create New observer class php file

class Namespace_Module_Model_Observer { public function logCartAdd($observer) { $categoryId = "YOUR_CATEGORY_ID"; $product = Mage::getModel('catalog/product') ->load(Mage::app()->getRequest()->getParam('product', 0)); if (!$product->getId()) { return; } $categories = $product->getCategoryIds(); if (!in_array($categoryId, $categories) { Mage::throwException('Your Error Message'); } } }

OR

You can add condition in template file

app/design/frontend/[template]/[package]/template/catalog/product/view/addtocart.phtml

<?php $_product = $this->getProduct(); $requirelogincategory = [ID of the category that requires login]; $buttonTitle = $this->__('Add to Cart'); $categoryId = "YOUR_CATEGORY_ID"; $categories = $product->getCategoryIds(); if (in_array($categoryId, $categories): if($_product->isSaleable()): ?> <div class="add-to-cart"> <?php if(!$_product->isGrouped()): ?> <label for="qty"><?php echo $this->__('Qty:') ?></label> <input type="text" name="qty" id="qty" maxlength="12" value="<?php echo $this->getProductDefaultQty() * 1 ?>" title="<?php echo $this->__('Qty') ?>" class="input-text qty" /> <?php endif; ?> <button type="button" title="<?php echo $buttonTitle ?>" class="button btn-cart" onclick="productAddToCartForm.submit(this)"><span><span><?php echo $buttonTitle ?></span></span></button> <?php echo $this->getChildHtml('', true, true) ?> </div> <?php endif; else: ?> <p><?php echo $this->__('Write Error Message Here');?></p> <?php endif; ?>

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