Hands-On RESTful Web Services with ASP.NET Core 3

Mapping logic using Automapper

An alternative way is to implement the mapping using the Automapper NuGet package. As mentioned in Chapter 5, Web Service Stack in ASP.NET Core, this approach uses the reflection system provided by .NET in order to match and to map the fields of our classes. It is possible to add the Automapper package to the Catalog.Domain project using the following CLI instruction:

dotnet add package Automapper

Automapper uses a profile-based structure in order to define the mapping behaviors of our classes. Let's proceed by defining a new CatalogProfile class in the Mappers folder:

using AutoMapper;using Catalog.Domain.Entities;using Catalog.Domain.Requests.Item;using Catalog.Domain.Responses.Item;namespace Catalog.Domain ...