2021-10-02_Article_ComposableContextsArchitecture_2.swift

2021-10-02_Article_ComposableContextsArchitecture_2.swift

extension ObserveUserNameUseCase where Self: UserRepositoryHolderType {
  var userName: Observable<String> {
    return userRepository.user
      .compactMap { $0 }
      .map { "\($0.firstName) \($0.lastName)" }
      .distinctUntilChanged()
  }
}

protocol UserRepositoryType {
  var user: Observable<User?> { get }
}

protocol UserRepositoryHolderType {
  var userRepository: UserRepositoryType { get }
}