2021-10-02_Article_ComposableContextsArchitecture_3.swift

2021-10-02_Article_ComposableContextsArchitecture_3.swift

// MARK: Context
private final class UserScreenContext: UserRepositoryTypeHolderType {
  let userRepository: UserRepositoryType
  
  init(userRepository: UserRepositoryType) {
    self.userRepository = userRepository
  }
}

extension UserScreenContext: ObserveUserNameUseCase {}
extension UserScreenContext: SignOutUseCase {}

/// Here is an example of how we are constructing everything with DependencyContainer (Dip framework implementation)
enum UserScreenComposition {
  static func configure(_ container: DependencyContainer) {
    
    // UseCases
    container.register {
      UserScreenContext(userRepository: $0, ...)
    }
    .implements(UserScreenViewModel.UseCases.self)
    
    // View Models
    container.register {
      UserScreenViewModel(useCases: $0)
    }
    
    // View Controller
    container
      .register(storyboardType: UserController.self, tag: "UserScreen")
      .resolvingProperties { container, controller in
        controller.viewModel = try container.resolve()
      }
    
    DependencyContainer.uiContainers.append(container)
  }
}

extension UserController: StoryboardInstantiatable {}