Building the home page backend

Now, the frontend is ready. Let's implement the backend, which includes the following subtasks:

• Create API handlers in the com.taskagile.web.apis package
• Create application services in the com.taskagile.domain.application package
• Create models in the com.taskagile.domain.model package
• Create a repository implementation in the com.taskagile.infrastructure.repository package

Domain models

With ORM, there is a tendency to use the @OneToMany and @ManyToMany annotations to build the relationship between entities, and you can go from one entity to another easily. It does provide some convenience and reduces the amount of code.

Here, we are going to go with a different approach; we won't use these annotations to build the relationship. We will use a wrapper ID to build the relationship.

The following is how the com.taskagile.domain.model.team.Team model looks like. Some fields and methods are not listed here:

@Entity
@Table(name = "team")
public class Team extends AbstractBaseEntity...