ドメインサービスでバリデーション入れた場合のサンプル
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package first | |
import first.usecase.{CreateUserInput, CreateUserOutput, CreateUserUseCase} | |
final class CreateUserInteractor(userService: UserService, userRepository: UserRepository) extends CreateUserUseCase { | |
override def handle(input: CreateUserInput): CreateUserOutput = { | |
val newUser = User.create(input.name) | |
userService.exists(newUser) match { // このバリデーションが必ず必要だが、知らないとできない。 | |
case Left(_) => CreateUserOutput.UserNameConflict(newUser.name) | |
case Right(_) => | |
val insertedUser = userRepository.insert(newUser) | |
CreateUserOutput.Success(insertedUser) | |
} | |
} | |
} |
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