ecommerce-patterns

# E-commerce Patterns Skill ## Platform Selection | Scenario | Platform | |----------|----------| | Enterprise B2B | OroCommerce | | Enterprise B2C | Magento 2 | | Mid-market | Shopify Plus | | Small business | WooCommerce, PrestaShop | | Custom/Headless | Medusa, Saleor | --- ## Magento 2 Patterns ### Module Structure ``` app/code/Vendor/Module/ ├── Api/ │ └── Data/ │ └── EntityInterface.php ├── Block/ ├── Controller/ │ └── Index/ │ └── Index.php ├── etc/ │ ├── module.xml │ ├── di.xml │ ├── routes.xml │ └── frontend/ ├── Model/ │ └── ResourceModel/ ├── Setup/ ├── view/ │ └── frontend/ │ ├── layout/ │ └── templates/ ├── registration.php └── composer.json ``` ### Dependency Injection ```xml <!-- etc/di.xml --> <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd"> <preference for="Vendor\Module\Api\ServiceInterface" type="Vendor\Module\Model\Service"/> <type name="Vendor\Module\Model\Service"> <arguments> <argument name="logger" xsi:type="object">Psr\Log\LoggerInterface</argument> </arguments> </type> </config> ``` ### GraphQL ```graphql type Query { customProducts( search: String pageSize: Int = 20 currentPage: Int = 1 ): CustomProductOutput @resolver(class: "Vendor\\Module\\Model\\Resolver\\Products") } ``` --- ## Cart & Checkout Patterns ### Cart State Machine ``` ...