/// <summary>
/// 更新布局，获取最新资讯
/// </summary>
/// <param name="channel">频道数据</param>
/// <returns></returns>
public async Task UpdateLayout(Channel channel, bool isForceRefresh = false)
{
AllFeeds.Clear();
LastCacheTimeContainer.Visibility = Visibility.Collapsed;
LoadingRing.IsActive = true;
AllReadButton.Visibility = Visibility.Collapsed;
JustNoReadSwitch.IsEnabled = false;
NoDataTipContainer.Visibility = Visibility.Collapsed;
AllReadTipContainer.Visibility = Visibility.Collapsed;
_sourceData = channel;
ChannelDescriptionTextBlock.Text = _sourceData.Description;
ChannelNameTextBlock.Text = _sourceData.Name;
FeedCollection.Clear();
var feed = new List <RssSchema>();
if (NetworkHelper.Instance.ConnectionInformation.IsInternetAvailable)
{
gg : if (!isForceRefresh)
{
if (MainPage.Current.TempCache.Count > 0 && MainPage.Current.TempCache.Any(c => c.Channel.Id == channel.Id))
{
feed = MainPage.Current.TempCache.Where(c => c.Channel.Id == channel.Id).FirstOrDefault()?.Feeds;
if (feed.Count == 0)
{
isForceRefresh = true;
goto gg;
}
}
else
{
var data = await IOTools.GetLocalCache(channel);
feed = data.Item1;
int cacheTime = data.Item2;
int now = AppTools.DateToTimeStamp(DateTime.Now.ToLocalTime());
if (feed.Count == 0 || now > cacheTime + 1200)
{
isForceRefresh = true;
goto gg;
}
else
{
if (cacheTime > 0)
{
LastCacheTimeContainer.Visibility = Visibility.Visible;
LastCacheTimeBlock.Text = AppTools.TimeStampToDate(cacheTime).ToString("HH:mm");
}
}
}
}
else
{
feed = await AppTools.GetFeedsFromUrl(_sourceData.Link);
bool isAutoCache = Convert.ToBoolean(AppTools.GetLocalSetting(AppSettings.AutoCacheWhenOpenChannel, "False"));
if (isAutoCache && feed.Count > 0)
{
await IOTools.AddCacheChannel(null, channel);
}
}
}
else
{
if (MainPage.Current._isCacheAlert)
{
new PopupToast(AppTools.GetReswLanguage("Tip_WatchingCache")).ShowPopup();
MainPage.Current._isCacheAlert = false;
}
var data = await IOTools.GetLocalCache(channel);
feed = data.Item1;
int cacheTime = data.Item2;
if (cacheTime > 0)
{
LastCacheTimeContainer.Visibility = Visibility.Visible;
LastCacheTimeBlock.Text = AppTools.TimeStampToDate(cacheTime).ToString("HH:mm");
}
}
if (feed != null && feed.Count > 0)
{
AllFeeds = feed;
await FeedInit();
}
else
{
NoDataTipContainer.Visibility = Visibility.Visible;
}
JustNoReadSwitch.IsEnabled = true;
LoadingRing.IsActive = false;
}
