Adobe Updated AD0-E716 Exam Questions and Answers by ares

The correct answer is Option A. This approach uses two filter groups to correctly implement the logic from the SQL query using Magento's SearchCriteria API.

Understanding the Logic: The given SQL query contains two main conditions:

featured = 1 AND logo_image IS NOT NULL (grouped together with an AND condition)

enabled = 1

In the Magento SearchCriteria terms, these translate to:

Filter Group 1: featured = 1 AND logo_image IS NOT NULL

Filter Group 2: enabled = 1

The two filter groups are then combined using an implicit AND condition.

Magento's SearchCriteria Structure: The SearchCriteria object is the recommended way in Magento 2 to filter and retrieve collections with complex conditions.

Filter Groups: Used to group filters together. All filters within a filter group are combined with an AND condition.

Filters: Define a condition for a single field.

Explanation of the Code for Option A:

Filter 1 is created for the featured field, set to 1 with an eq condition type.

Filter 2 is created for the logo_image field, with a notnull condition type.

Both Filter 1 and Filter 2 are combined into Filter Group 1, which applies an AND condition between these filters.

Filter 3 is created for the enabled field, set to 1 with an eq condition type.

Filter Group 2 contains only Filter 3.

Finally, both filter groups are set on the SearchCriteria object. By default, the SearchCriteria combines filter groups using an AND condition between them.

Why Option A is Correct: Option A uses two filter groups that exactly match the desired SQL query logic:

It correctly combines featured and logo_image in an AND condition.

It then checks if enabled is 1, which is handled by the second filter group.

References:

Search Criteria Builder - This Adobe Commerce documentation page explains how to create and use the SearchCriteriaBuilder.

Filter Groups and Conditions - Provides an overview of how to structure filter groups and conditions in SearchCriteria.

Magento 2 APIs - The general documentation for working with Magento 2 APIs, including SearchCriteria.

This approach is the standard method in Adobe Commerce to replicate complex SQL queries using SearchCriteria with multiple filter groups and conditions.

The developer can add a custom filter to the virtual type Magento\Catalog\Model\Api\SearchCriteria\CollectionProcessor\ProductFilterProce5sor for supplier_id field. In the custom filter, the developer can apply the needed join and filter to the passed $collection. This is the recommended way to extend the search criteria for products using dependency injection and plugins. Verified References: [Magento 2.4 DevDocs] [Magento Stack Exchange]

In Adobe Commerce, when you need to add a custom filter for a non-EAV attribute stored in a standalone table, the most maintainable approach is to create a custom filter for ProductFilterProcessor. This processor allows for customized search criteria handling, which can be extended to include custom joins and filters without altering core functionality or relying on plugins and observers.

Why Custom Filter in ProductFilterProcessor is Preferred:

The ProductFilterProcessor within SearchCriteria\CollectionProcessor is specifically designed to handle filtering of product collections. By extending this with a custom filter, the developer can implement joins and filters on standalone tables.

This approach is modular and reusable, allowing any code that utilizes ProductRepositoryInterface to apply the supplier_id filter seamlessly.

Implementation of Custom Filter:

Define a custom filter class that implements the required logic to join the standalone table and apply the supplier_id filter.

Register this custom filter with a virtual type in di.xml for ProductFilterProcessor, so it can process the supplier_id as part of the search criteria.

Why Options A and C are Less Suitable:

Option A relies on an event observer, which is less modular and may have performance implications since it requires listening to every product collection load event.

Option C, while functional, involves modifying CollectionProcessorInterface::process(), which is more generic and not specifically tailored for product collection filtering.

References:

Magento Developer Documentation on Using Custom Filters in CollectionProcessor

Magento DevDocs on Dependency Injection and Virtual Types

The Content Security Policy (CSP) in Adobe Commerce (Magento) restricts the types of content that can be loaded on a page to protect against malicious attacks, such as cross-site scripting (XSS). When an iframe is added, and a JavaScript library is loaded from an external source, these resources must be whitelisted explicitly using the csp_whitelist.xml file.

In this specific case:

The frame-src directive controls the sources from which iframes can be embedded. Since the developer is embedding an iframe from an external domain, they need to whitelist this domain for frame-src.

The script-src directive controls the sources from which JavaScript files can be loaded. The external JavaScript library must be whitelisted under script-src to allow it to execute.

Therefore, the correct policy IDs to whitelist are:

frame-src: to allow the embedding of content from an external domain in an iframe.

script-src: to allow the loading and execution of JavaScript files from the external domain.

Here’s how to update the csp_whitelist.xml file with the correct directives:

Replace your-external-domain.com with the actual domain of the external iframe and JavaScript source.

Additional Resources:

Adobe Commerce Developer Guide: Content Security Policy (CSP)

CSP Policies and Directives: Explanation of all supported CSP directives and how to configure them.

To ensure the developer has access to push code in an Adobe Commerce Cloud project, the developer’s email must be added under Users in the Cloud Project Web UI and the developer needs to add SSH public key in the Cloud Account dashboard settings. The Cloud Project Web UI is a web interface that allows managing and configuring Adobe Commerce Cloud projects and environments. The developer’s email must be added under Users to grant them access to the project and assign them a role and permissions. The Cloud Account dashboard settings is a web interface that allows managing and configuring Adobe Commerce Cloud accounts and SSH keys. The developer needs to add SSH public key in the settings to enable secure connection to the project and environments via SSH. Verified References: [Magento 2.4 DevDocs]