/// <summary>
/// Try to Get The Favicon From the homepage Server
/// Use Google tool, So please ensure your computer unblocked Google
/// </summary>
///
public static async Task TryUpdateIconSource(this FeedViewModel feedViewModel, string HomePageUrl)
{
if (feedViewModel.IconSrc.ToString() != string.Empty)
{
return;
}
if (HomePageUrl == string.Empty)
{
return;
}
//一般这个不会发生
var feedId = feedViewModel.Id ?? -1;
int numberOfAttempts = 2;
bool success = false;
// 尝试下载2次
do
{
success = await WebIconDownloadTool.DownLoadIconFrom_IconUri(HomePageUrl, feedId.ToString());
} while (!success && numberOfAttempts-- > 0);
// 如果成功,更新IconSrc, iconsrc为下载的图片文件的文件名，否则IconSrc还会是默认的那个图标路径
if (success)
{
feedViewModel.IconSrc = feedId.ToString() + ".png";
await SQLiteService.UpdateFeedInfoAsync(feedViewModel.AbstractInfo());
}
}
public async void getIconTest()
{
await WebIconDownloadTool.DownLoadIconFrom_WebUri("https://blogs.msdn.microsoft.com/", "111");
}