af83/edwig

package ls

import (
    "bitbucket.org/enroute-mobi/ara/model"
)

type StopAreaLastChange struct {
    lastState

    origins *model.StopAreaOrigins
}

func NewStopAreaLastChange(sa *model.StopArea, sub subscription) *StopAreaLastChange {
    salc := &StopAreaLastChange{}
    salc.SetSubscription(sub)
    salc.UpdateState(sa)
    return salc
}

func (salc *StopAreaLastChange) UpdateState(stopArea *model.StopArea) bool {
    salc.origins = stopArea.Origins.Copy()

    return true
}

func (salc *StopAreaLastChange) Haschanged(stopArea *model.StopArea) ([]string, bool) {
    return salc.origins.PartnersLost(stopArea.Origins)
}