PermissionsHandler.kt

class PermissionsHandler {

    private val _state = MutableStateFlow(State())
    val state: StateFlow<State> = _state

    fun onEvent(event: Event) {
        when (event) {
            Event.PermissionDenied -> onPermissionDenied()
            Event.PermissionDismissTapped -> onPermissionDismissTapped()
            Event.PermissionNeverAskAgain -> onPermissionNeverShowAgain()
            Event.PermissionRationaleOkTapped -> onPermissionRationaleOkTapped()
            Event.PermissionRequired -> onPermissionRequired()
            Event.PermissionSettingsTapped -> onPermissionSettingsTapped()
            Event.PermissionsGranted -> onPermissionGranted()
            is Event.PermissionsStateUpdated -> onPermissionsStateUpdated(event.permissionsState)
        }
    }

    data class State(
        val multiplePermissionsState: MultiplePermissionsState? = null,
        val permissionAction: Action = Action.NO_ACTION
    )

    sealed class Event {
        object PermissionDenied : Event()
        object PermissionsGranted : Event()
        object PermissionSettingsTapped : Event()
        object PermissionNeverAskAgain : Event()
        object PermissionDismissTapped : Event()
        object PermissionRationaleOkTapped : Event()
        object PermissionRequired : Event()

        data class PermissionsStateUpdated(val permissionsState: MultiplePermissionsState) :
            Event()
    }

    enum class Action {
        REQUEST_PERMISSION, SHOW_RATIONALE, SHOW_NEVER_ASK_AGAIN, NO_ACTION
    }
}