Display retrieved emotions view model

saved_emotions_list.dart

class _ViewModelSavedEmotion {
  final Store<EmotionAppState> store;
  const _ViewModelSavedEmotion({this.store});
  static _ViewModelSavedEmotion fromStore(Store<EmotionAppState> store) {
    return _ViewModelSavedEmotion(store: store);
  }

  String getEmotionImage(int index) {
    return store.state.details[index].emoji;
  }

  String getEmotion(int index) {
    return store.state.details[index].emotion;
  }

  String getEmotionDescription(int index) {
    return store.state.details[index].emotionDescription;
  }

  String getDate(int index) {
    return store.state.details[index].emotionDate;
  }

  String getTime(int index) {
    return store.state.details[index].emotionTime;
  }

  int getEmotionCount() {
    List<SavedDetail> details = store.state.details ?? [];
    return details.length;
  }
}