first.solution.mainapp.kt

class ProfileActivity: GaragePresenter.Contract.View {
    lateinit var garagePresenter : GaragePresenter;

    fun onCreate(){
        garagePresenter = GaragePresenter(this)
        garagePresenter.loadTheCars() // we just only need this function on this page
    }

    override fun onDeleteSucceed() {
        // tidak dipakai,dirty code, sia-sia!
    }
    override fun onAddSucceed() {
        // tidak dipakai,dirty code, sia-sia!
    }

    override fun onFailure() {
        // tidak dipakai,dirty code, sia-sia!
    }

    override fun onLoadSucceed() {
        println("first.solution.ProfileActivity : on load succeed")
    }
}
class GarageActivity: GaragePresenter.Contract.View {
    lateinit var garagePresenter : GaragePresenter;

    fun onCreate(){
        garagePresenter = GaragePresenter(this)
        garagePresenter.loadTheCars()
        garagePresenter.deleteTheCars()
        garagePresenter.addTheCar()
        garagePresenter.otherCase()
    }

    override fun onLoadSucceed() {
        println("first.solution.GarageActivity : on load succeed")
    }

    override fun onDeleteSucceed() {
        println("first.solution.GarageActivity : on delete succeed")
    }

    override fun onAddSucceed() {
        println("first.solution.GarageActivity : on add succeed")
    }

    override fun onFailure() {
        println("first.solution.GarageActivity : on something failure happen")
    }
}


class GaragePresenter{
    lateinit var view: Contract.View

    constructor(view: Contract.View) {
        this.view = view
    }

    fun loadTheCars(){
        //do some logic here and finally trigger the succeed callback
        this.view.onLoadSucceed()

    }
    fun deleteTheCars(){
        //do some logic here and finally trigger the succeed callback
        this.view.onDeleteSucceed()
    }

    fun addTheCar(){
        //do some logic here and finally trigger the succeed callback
        this.view.onAddSucceed()
    }

    fun otherCase(){
        //do some logic here but it was wrong and finally trigger the failure callback
        this.view.onFailure()
    }

    interface Contract{
        interface View{
            fun onLoadSucceed()
            fun onDeleteSucceed()
            fun onAddSucceed()
            fun onFailure()
        }
    }

}
fun main() {
    var loginActivity = ProfileActivity()
    loginActivity.onCreate()

    var garageActivity = GarageActivity()
    garageActivity.onCreate()
}