This article shows how you can create event observer in a custom module in Magento 2. In Magento 2, there is a separate xml file where you can define your event observer. For frontend events, you need to write your code in app/code/YourCompany/YourModule/etc/frontend/events.xml and for admin events, you need to write event observer code in … Read more
I am getting the following error while adding a new module to my Magento 2 installation and running the command on terminal php bin/magento setup:upgrade. [InvalidArgumentException] There are no commands defined in the “setup” namespace The same kind of error will be displayed in terminal when I try to run other commands like php bin/magento … Read more
This article provides a solution to the error occurred while accessing Payment methods section in Magento admin panel. Problem: In Magento admin, I tried to go to a configuration settings page, System -> Configuration -> SALES -> Payment Methods and it showed the following fatal error: Fatal error: Call to a member function toOptionArray() on … Read more
This article shows how to create and run cronjob in a custom module in Magento 2. To know about general details about setting up and running cron on Magento 2, you may refer to this official documentation. This documentation will show you how you can create cron job on web server as well. Here, we … Read more
This article shows how get height and width of the media images in Magento 2. In this example, we will load product by id or sku and then fetch and display height and width of product small image. To load the product, we will be using Magento 2’s Service Layer for this task. Use of … Read more
This article shows how to resize product image in Magento 2. In this example, we will be loading a product by id or sku and then resizing its image. We will also be injecting the object of Catalog Helper Image class for image resize purpose. To load the product, we will be using Magento 2’s … Read more
This article shows how to get stock quantity (qty) of a product in Magento 2. We can also fetch other stock information like minimum quantity (min_qty), minimum sale quantity (min_sale_qty), maximum sale quantity (max_sale_qty), see if a product is in stock (is_in_stock), etc. We will be using Magento 2’s Service Layer for this task. Use … Read more
This article shows how to load product by id and sku in Magento 2. We will be using Magento 2’s Service Layer for this task. Use of Service Layer is highly encouraged by Magento. Below is a block class of my custom module (Chapagain_HelloWorld). I have injected object of \Magento\Catalog\Model\ProductRepository class in the constructor of … Read more
This article shows how we can get list of all categories and all category of current store in Magento 2. Below is a block class of my custom module (Chapagain_HelloWorld). I have injected object of \Magento\Catalog\Model\ResourceModel\Category\CollectionFactory and \Magento\Catalog\Helper\Category classes in the constructor of my module’s block class. app/code/Chapagain/HelloWorld/Block/HelloWorld.php <?php namespace Chapagain\HelloWorld\Block; class HelloWorld extends \Magento\Framework\View\Element\Template … Read more