Exemplo de endpoint acessando usecases

UserAPI.scala

package com.opportunity.simple.restapi

import javax.persistence.EntityManagerFactory

import com.opportunity.objectives.model.User
import com.opportunity.objectives.usecases.user.{ListUsersUsecase, LoginByFacebookUserUsecase, SaveNewUserUsecase}
import com.opportunity.simple.restapi.response.ProtocolResponse
import com.typesafe.config.Config

class UserAPI(val apiConfig: Config, val entityManagerFactory: EntityManagerFactory) extends Respondable with Authenticable with PersistibleUser {

  post("/list") {
    contentType = "application/json"
    authenticated { jsonObject =>
      withPersistenceAdapter { userPersistenceAdapter =>
        writeOkResponse(
          ProtocolResponse.prepare(
            ListUsersUsecase.newWith( userPersistenceAdapter ).execute().map { user => User.toMap(user) }
          )
        )
      }
    }
  }

  post("/save") {
    contentType = "application/json"
    authenticated { jsonObject =>
      withPersistenceAdapter { userPersistenceAdapter =>
        writeOkResponse(
          ProtocolResponse.prepare(
            User.toMap(
              SaveNewUserUsecase.newWith( userPersistenceAdapter ).execute( User.fromMap(jsonObject) )
            )
          )
        )
      }
    }
  }

  post("/facebookLogin") {
    contentType = "application/json"
    authenticated { jsonObject =>
      withPersistenceAdapter { userPersistenceAdapter =>
        LoginByFacebookUserUsecase.newWith( userPersistenceAdapter ).execute( User.fromMap(jsonObject) ) match {
          case Some(user) => writeOkResponse(ProtocolResponse.prepare(User.toMap(user)))
          case None => writeNotFoundResponse(ProtocolResponse.prepareUserNotFound())
        }
      }
    }
  }
}