di-on-mpp-part1-login-api.kt

// Auth API
interface AuthApi {
    suspend fun authenticate(pid: Int, deviceId: String): Token
}
class AuthApiImpl : ClientApi(), AuthApi {
    override suspend fun authenticate(pid: Int, deviceId: String)=
        client.get<Token> { / * implementation */ }
}
// Token repository
interface TokenRepository {
    fun isLoggedIn(): Boolean
    fun putToken(token: Token): Key<Token>
}
class TokenRepositoryImpl(private val db: DB) : TokenRepository {
    override fun isLoggedIn(): Boolean { /* implementation */ }
    override fun putToken(token: Token): Key<Token> { /* implementation */ }
}