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Exploring the Technical Essentials of SAP Commerce Cloud

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cleanFiles/bookmap_SAP_Commerce_Cloud_Essentials_for_Develope_en-US_learning-sap-com_lsc-prod.zip (MMCP-DROPZONE) - 2023-10-23T13:02:50.000Z

Introducing Classification

<div id="content"><p tabindex="0">Classification allows business users to dynamically assign product attributes based on a product’s location in the product catalog hierarchy. Because it is dynamic, a classification system can be modified by business users on a live system and doesn’t require the assistance of a developer.</p><p tabindex="0">Let’s explore the exciting world of classification in the following video.</p><div class="kalturaVideoLessonWrapper"><div id="1_9e2ehry1" data-testid="video" class="kalturaVideoLessonContainer"></div></div></div>

The Classification system is an important out-of-the-box feature of SAP Commerce. Here are some of the main ways in which it helps you with advanced product modeling. It simplifies management of frequently-changing product data because the related products gain the attributes defined for all classification categories above them in the hierarchy. The classification system is independent of the product catalog architecture, so that you can use it in specific product modelling situations that require more flexibility than the product catalog structure has to offer. It also supports multi-classification, overcoming technical limitations of the type system’s functionality. These key facts may seem a bit abstract for now, but I’ll explain each of them in more details in a moment. First, though, let’s take a look at how we add properties by extending the type system. The conventional way of adding properties to a content item, such as a product, is to extend the base item type, adding properties in each derived type. We begin with a simplified example: a type hierarchy with Product at its root and a Catalog with the root category Fancy Schmancy Car Company. Car extends Product, adding one property: horsepower, abbreviated to hp. Sedan extends Car, adding the passengers property. SportsCar also extends Car, and it adds a property to denote engine modifications called engineMod. The Fancy Schmancy Car Company site has cars available under the categories Racing, Taxi, Delivery, and Dealership. Finally, we have cars available under each category. The cars offered are a mix of sports cars and sedans. It's important to note here that a sedan, for instance, will always be a sedan; it will never have an engineMod property, no matter what it's used for. Now let’s see how we can add some properties using the classification categories. We introduce a classification hierarchy, here simply named Classification. Its first subcategory is Sponsored, which defines an ads attribute. When we assign Racing and Taxi as child categories to the Sponsored classification category, their products, Duesenberg and Checker Cab, both gain the Ads attribute. Let me emphasize this because it's the main feature of the classification approach: Assigning a classification category as a parent to any of the catalog categories grants every item below that category or its subcategories, the attribute or attributes of the classification category. We have another classification category, Commercial, which adds a contract attribute. Financing extends Commercial, adding the duration attribute. Again, when we assign Dealership as a child category of the Financing classification category, both vehicles gain the contract and duration attributes. Finally, Hire extends Commercial, adding the pricing attribute. Now let’s make the Hire classification category a parent of both the Taxi and Delivery categories. This grants both the Checker Cab and the Packard the attributes contract and pricing. Note that the Checker Cab now has attributes from two classification categories, Sponsored and Hire. This is an example of multi-classification. However, please note that properties are granted solely because an item appears under a given Classification Category. Remove the item from that location, and it loses these properties. This means if we move our DeLorean sports car from the Dealership category to the Taxi category... ...it loses the Contract and Duration attributes it inherited from the Financing classification category... ...and gains instead the Ads attributes from Sponsored, and the Contract and Pricing attributes from Hire. Since the DeLorean previously already had a contract feature when it was under the Financing category, a new one is not  created. Instead, the existing contract remains linked and keeps its original value. Now that you understand how the classification system works conceptually, we should also know how to manage classification objects in the Backoffice. Classifying Categories keep track of the properties they confer in a list of ClassAttributeAssignmentModel objects Each ClassAttributeAssignmentModel contains a reference to: a Feature descriptor, which is a required field and identifies the property an array of Feature descriptor Values, which is optional and provides valid choices for the property. They are very much like enumeration values a Classification Unit, which is also optional. It can be used as a unit's symbol attribute, which can be appended to the value when it is displayed. For example, kg for kilogram, MB for megabytes, etc. It can also facilitate conversion to other units of the same type, using its Conversion factor attribute. For example, the centimeter, meter, and kilometer units might all have the length type, and a conversion factor of 0.01, 1, and 1000, respectively. Let’s take a look at a concrete example. The classification category Hire is assigned as the Taxi catalog category's parent category. The taxi category contains an item called Packard, which is of type Sedan. Let’s assume that Hire has two attribute assignments. The first attribute is a number, has the name Contract and the classification unit Terms. The second attribute is a value list. It has the name Pricing, the unit Rate, and its feature descriptor values is a list of to-be-selected values: metered, negotiated, fixed rate and salaried. Finally, with the assignment of the classification category Hire as the parent of Packard, that item gains 2 more attributes: contract and pricing, and corresponding values can then be specified for them. This concludes our introduction to the classification system.

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