AD0-E722: Adobe Commerce Architect Master

This solution ensures that the data returned by the GraphQL queries is up to date, while also maintaining performance. By specifying a $cache(cacheidentity: Path\To\identityclass) directive for each GraphQL query, the relevant brands and associated products will be added as cache tags.

Option C is the correct solution because declaring a capture command with type Magento\Payment\Gateway\Command\NullCommand for the payment method command pool in di.xml will prevent the default capture logic from being executed. The NullCommand class is a dummy implementation of the CommandInterface that does nothing.This way, the payment capture will be handled by the PSP webhook, and the invoice will be created accordingly12

Option A is not a correct solution because adding a plugin before the $invoice->capture() and changing its input to prevent the call of the $payment->capture() will require modifying the core Magento code, which is not recommended.Moreover, this solution will affect all payment methods that use the invoice capture logic, not just the monthly installments payment extension3

Option B is not a correct solution because changing the can_capture attribute for the payment method under config.xml to be <can_capture>0</can_capture> will disable the capture functionality for the payment method entirely.This means that the invoice cannot be created or captured, even by the PSP webhook4

1: https://experienceleague.adobe.com/docs/commerce-cloud-service/user-guide/payments-integrations/payment-gateway/gateway-command.html?lang=en2: https://github.com/magento/magento2/blob/2.4-develop/app/code/Magento/Payment/Gateway/Command/NullCommand.php3: https://experienceleague.adobe.com/docs/commerce-cloud-service/user-guide/customization/best-practices.html?lang=en#do-not-modify-core-code4: https://experienceleague.adobe.com/docs/commerce-cloud-service/user-guide/payments-integrations/payment-gateway/payment-gateway-configuration.html?lang=en#payment-method-configuration

Option C is correct because the developer did not check for an active content staging campaign and emulate the campaign state when retrieving product data. Content staging campaigns can modify the product data such as price, name, description, and so on, based on a schedule.To get the correct product data for a specific date and time, the developer needs to use the Magento\Staging\Model\VersionManager class to set the current version ID and emulate the campaign state1. Otherwise, the product data will be retrieved from the default store view without applying the campaign changes.

Option A is incorrect because retrieving product data directly from the database using the entity_id column is not necessarily wrong. It may not be the best practice, but it does not cause the feed output to be incorrect for products in the content staging campaign.The content staging campaigns are stored in separate tables with a version ID that links to the main product table2. The developer can still join these tables and query the product data based on the version ID and date.

Option B is incorrect because there is no such method as getContentStagingValue in Magento 2. The developer cannot use this method to retrieve the active campaign value of the product data. The correct way to get the product data for a specific campaign is to use the Magento\Staging\Model\VersionManager class as mentioned above.

1: Content Staging | Adobe Commerce Developer Guide

2: Content Staging | Adobe Commerce Developer Guide

According to the Adobe Commerce documentation, the Source Selection Interface is the main interface for implementing custom source selection algorithms. The interface defines a method called execute(), which takes a list of items to be shipped and a stock ID as parameters, and returns a SourceSelectionResultInterface object, which contains the recommended sources and quantities for each item. The Architect can create a new class that implements this interface and provides the logic for finding the lowest-cost warehouse that is open for each item. The Architect can then register the new class as an option for the source selection algorithm in the di.xml file of the custom module.

Source Selection Algorithm | Adobe Commerce Developer Guide

Source Selection Interface | Adobe Commerce Developer Guide

According to the Adobe Commerce documentation, the best way to add a custom tax calculation to all orders is to declare a new total collector in the ''etc/sales.xml'' file of a custom module. This way, the custom tax logic can be implemented in a separate class that extends the \Magento\Quote\Model\Quote\Address\Total\AbstractTotal class and overrides the collect() and fetch() methods. The collect() method is responsible for calculating the tax amount and adding it to the quote address, while the fetch() method is responsible for displaying the tax amount in the cart and checkout pages. The new total collector can be assigned to any area of the order totals, such as before or after the subtotal, shipping, or grand total.

Customizing order totals

How to add custom fee or discount to order totals in Magento 2