protected override void OnNavigatedFrom(NavigationEventArgs e)
{
trigger.Set();
base.OnNavigatedFrom(e);
if (LyricTimer != null)
{
LyricTimer.Cancel();
}
trigger = null;
CurrentSong = null;
lyric = null;
lyrics = null;
}
public ActionResult Detail(int id, String mainbody, int Score)
{
var com = new Comment()
{
DocumentId = id, MainBody = mainbody, Score = Score
};
db.Comment.Add(com);
db.SaveChanges();
Document doc = db.Document.FirstOrDefault(m => m.Id == id);
ILrcFile lrcFile = LrcFile.FromText(doc.Lyrics);
ViewBag.Lrcs = lrcFile;
ViewData.Model = doc;
// return View();
// return Content("true");
// return Json(json);
return(Json(new { status = 200, message = "提交成功", score = com.Score, mainbody = com.MainBody }));
}
public async Task genLrc()
{
string result = null;
try
{
result = await LrcHelper.Fetch(await LrcHelper.isLrcExist(CurrentSong), CurrentSong);
}
catch (System.Net.WebException)
{
this.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, new DispatchedHandler(() =>
{
var loader = new Windows.ApplicationModel.Resources.ResourceLoader();
loader.GetString("WebExceptionText");
ErrText.Text = "没有网络连接";
}));
}
if (result == null)
{
lyric = null;
lyrics = null;
return;
}
else
{
var stream = await FileHelper.ReadFileasString(result);
try
{
lyric = LrcFile.FromText(stream);
lyrics = new List<LrcModel>();
foreach (var item in lyric.Lyrics)
{
lyrics.Add(new LrcModel(item));
}
}
catch (FormatException e)
{
try
{
var strings = e.Message.Split('\'');
string s = strings[1].Substring(strings[1].IndexOf(':') + 1);
s = s.TrimEnd('0');
int j = stream.IndexOf(s);
int start, end;
for (int i = j; ; i--)
{
if (i <= 0 || stream[i] == '\n')
{
start = i;
for (j = stream.IndexOf(s); ; j++)
{
if (j >= stream.Length || stream[j] == '\n')
{
end = j;
break;
}
}
break;
}
}
StringBuilder sb = new StringBuilder(stream.Substring(0, start));
sb.Append(stream.Substring(end));
s = sb.ToString();
await FileHelper.SaveFile(s, result);
lyric = LrcFile.FromText(s);
lyrics = new List<LrcModel>();
foreach (var item in lyric.Lyrics)
{
lyrics.Add(new LrcModel(item));
}
}
catch (Exception)
{
lyric = null;
lyrics = null;
}
}
trigger.Set();
}
}
private async Task FetchLrc()
{
try
{
var uri = CurrentSong.Title + "-" + CurrentSong.Artists[0] + "-" + CurrentSong.Album + ".lrc";
lyric = LrcFile.FromText(await FileHelper.ReadFileasString(uri));
lyrics = new List<LrcModel>();
foreach (var item in lyric.Lyrics)
{
lyrics.Add(new LrcModel(item));
}
trigger.Set();
}
catch (Exception)
{
try
{
await genLrc();
trigger.Set();
}
catch (Exception)
{
if (trigger != null)
{
trigger.Set();
}
}
}
}
public void SetLrcFile(ILrcFile lrcFile)
{
this.lrcFile = lrcFile;
}
private void TryAnalyzeLyrics(string lyrics)
{
if (!string.IsNullOrEmpty(lyrics))
{
try
{
LyricModel = LrcFile.FromText(lyrics);
}
catch { }
}
}