/* load news and add them into latestNews list */
public async Task <bool> loadNews(DateTime day1, bool isOnlineDownload = false)
{
DateTime day2 = day1.AddDays(-defaultDaysOfNews);
for (DateTime day = day1; day2.CompareTo(day) <= 0; day = day.AddDays(-1))
{
OneDayNews oneDayNews = new OneDayNews(day);
if (await oneDayNews.updateNews(isOnlineDownload) == false)
{
return(false);
}
latestNews.Add(oneDayNews);
}
return(true);
}
/* update all the news */
public async Task <bool> updateNews(DateTime day1)
{
DateTime day2 = day1.AddDays(-defaultDaysOfNews);
latestNews = new List <OneDayNews>();
for (DateTime day = day1; day2.CompareTo(day) <= 0; day = day.AddDays(-1))
{
OneDayNews oneDayNews = new OneDayNews(day);
if (await oneDayNews.updateNews() == false)
{
return(false);
}
latestNews.Add(oneDayNews);
}
return(true);
}