delegate

DeliveryDelegateImpl.kt

package com.slutsk.roman.slutsktransp.presentation.delivery.viewmodel

import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
import com.slutsk.archkit.viewmodel.ViewStateDelegate
import com.slutsk.archkit.viewmodel.ViewStateDelegateImpl
import com.slutsk.roman.slutsktransp.core.extension.EMPTY_STRING
import com.slutsk.roman.slutsktransp.core.providers.ResourceProvider
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.launch
import javax.inject.Inject

data class DeliveryState(
    val delivery: String = EMPTY_STRING
)

interface DeliveryDelegate {

    val deliveryState: Flow<DeliveryState>

    context(ViewModel)
        suspend fun getDelivery()

    context(ViewModel)
        suspend fun updateDelivery(title : String)
}


class DeliveryDelegateImpl @Inject constructor(
    private val resourceProvider: ResourceProvider
) : DeliveryDelegate,
    ViewStateDelegate<DeliveryState, Unit> by ViewStateDelegateImpl(DeliveryState()) {

    override val deliveryState: Flow<DeliveryState>
        get() = viewState

    context(ViewModel)
        override suspend fun getDelivery() {
        viewModelScope.launch {
            reduce {
                it.copy(
                    delivery = "getDelivery: "
                )
            }
        }
    }

    context(ViewModel)
        override suspend fun updateDelivery(title : String) {
        viewModelScope.launch {
            reduce {
                it.copy(
                    delivery = "updateDelivery value ${title}"
                )
            }
        }
    }


}