// Gets called by the router when an event for this model has been processed by observers,
// great place for aggregate operations and/or validation.
postProcess() {
this._allStories = this._epics.flatMap(epic => epic.stories).toList();
if (this._selectedEpic) {
this._displayedStories = this._allStories
.filter(story => story.epic === this.selectedEpic)
.toList();
} else {
this._displayedStories = this.allStories;
}
this._showAllStoriesButton = this.selectedEpic && this.allStories.count() !== this.displayedStories.count();
this._epics.forEach(epic => {
epic.postProcess();
});
}