public async Task RefreshDataFromYouTube(string grouping)
{
if (_queueOfRequests.Contains(grouping))
{
return;
}
_queueOfRequests.Add(grouping);
LoggingService.LogInformation("RefreshDataFromYouTube'", "YouTubeService.RefreshDataFromYouTube");
var result = await YouTubeService.Current.GetStandardfeedAsync("favoriten", grouping);
if (result != null)
{
//add new ones only
foreach (var item in result.Items)
{
var found = StandardFeedResults.Where(x => x.Uid == item.Uid);
if (found == null || found.Count() == 0)
{
StandardFeedResults.Add(item);
}
}
//delete cached data
//AppDatabase.Current.DeleteYoutubePersistedItems(grouping);
//persist to store
var listToSave = StandardFeedResults.Select(x => new YoutubePersistedItem()
{
Uid = x.Uid,
Description = x.Description,
Grouping = grouping,
ImagePath = x.ImagePath,
VideoLink = x.Link.AbsoluteUri.ToString(),
VideoId = x.videoID,
Title = x.Title,
Subtitle = x.Subtitle,
Timestamp = DateTime.UtcNow,
NewUID = Guid.NewGuid().ToString()
}).ToList();
foreach (var item in listToSave)
{
if (!AppDatabase.Current.DoesYouTubePersistedItemExist(item.Uid))
{
AppDatabase.Current.AddUpdateYoutubePersistedItem(item);
}
}
}
_queueOfRequests.Remove(grouping);
return;
}
public async Task RefreshDataFromCache(string grouping)
{
LoggingService.LogInformation("RefreshDataFromCache'", "YouTubeService.RefreshDataFromCache");
var foundPlaying = StandardFeedResults.Where(x => !string.IsNullOrEmpty(x.UIStateFull));
if (foundPlaying != null & foundPlaying.Count() > 0)
{
//StandardFeedResults.ToList().RemoveAll(x => x != foundPlaying.First());
var tempUIDs = StandardFeedResults.Where(x => string.IsNullOrEmpty(x.UIStateFull)).Select(x => x.Uid).ToArray();
string foundUID = foundPlaying.First().Uid;
for (int i = 0; i < tempUIDs.Count(); i++)
{
//if (tempUIDs[i] != foundUID)
StandardFeedResults.Remove(StandardFeedResults.Where(x => x.Uid == tempUIDs[i] && string.IsNullOrEmpty(x.UIStateFull)).First());
}
}
else
{
StandardFeedResults.Clear();
}
var found = AppDatabase.Current.RetrieveYoutubePersistedItemByGrouping(grouping);
if (found != null && found.Count > 0)
{
//StandardFeedResults.ToList().RemoveAll(x => x._Grouping == grouping);
foreach (var item in found)
{
var ni = new YoutubeDataItem(item.Uid, item.Title, item.Subtitle, item.Image, item.Description, item.VideoId, null);
ni.ImagePath = item.ImagePath;
ni._Grouping = grouping;
ni.NewUID = item.NewUID;
StandardFeedResults.Add(ni);
}
return;
}
}
private async Task GetYoutubeDataGroupAsync(string Uid, string Keyword, int MaxResults, int Page = 0)
{
string text = string.Concat(new object[]
{
"http://gdata.youtube.com/feeds/api/videos?max-results=",
MaxResults,
"&v=2&q=",
Keyword,
"&start-index=",
((Page * MaxResults) + 1)
});
new Uri(text);
YoutubeDataGroup result;
try
{
YoutubeDataItem item = null;
YoutubeDataGroup youtubeDataGroup = new YoutubeDataGroup(Uid, "Search: " + Keyword, Keyword, "ms-appx:///Assets/Darkgray.png", "");
WebRequest webRequest = WebRequest.Create(text);
webRequest.Method = "GET";
WebResponse webResponse = await webRequest.GetResponseAsync();
XDocument xDocument = XDocument.Load(webResponse.GetResponseStream());
XmlReader xmlReader = xDocument.CreateReader();
int num = 0;
string title = string.Empty;
string str = string.Empty;
string str2 = string.Empty;
string description = string.Empty;
//SearchFeedResults.Clear();
while (xmlReader.Read())
{
if (xmlReader.NodeType == XmlNodeType.Element)
{
string text2 = string.Empty;
string expr_1BE = xmlReader.Name;
if (expr_1BE != null)
{
if (!(expr_1BE == "yt:videoid"))
{
if (!(expr_1BE == "title"))
{
if (!(expr_1BE == "media:credit"))
{
if (!(expr_1BE == "media:description"))
{
if (expr_1BE == "yt:duration")
{
int num2 = Convert.ToInt32(xmlReader["seconds"]);
if (num2 > 60)
{
int num3 = num2 / 60;
int num4 = num2 % 60;
if (num4 < 10)
{
str2 = num3.ToString() + ":0" + num4.ToString();
}
else
{
str2 = num3.ToString() + ":" + num4.ToString();
}
}
else
{
str2 = "0:" + num2.ToString();
}
}
}
else
{
description = xmlReader.ReadElementContentAsString();
}
}
else
{
str = xmlReader["yt:display"];
}
}
else
{
title = xmlReader.ReadElementContentAsString();
}
}
else
{
text2 = xmlReader.ReadElementContentAsString();
string imagePath = "http://i.ytimg.com/vi/" + text2 + "/hqdefault.jpg";
item = new YoutubeDataItem(num.ToString(), title, "by " + str + " | " + str2, imagePath, description, text2, youtubeDataGroup);
youtubeDataGroup.Items.Add(item);
StandardFeedResults.Add(item);
}
}
}
num++;
}
result = youtubeDataGroup;
}
catch (Exception)
{
result = null;
}
return;
}
public async Task RefreshHistoryDataFromCache(string grouping)
{
try
{
//await Task.Run(() =>
//{
//await this.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.High, () =>
//{
LoggingService.LogInformation("RefreshDataFromCache'", "YouTubeService.RefreshDataFromCache");
var foundPlaying = StandardFeedResults.Where(x => !string.IsNullOrEmpty(x.UIStateFull));
if (foundPlaying != null & foundPlaying.Count() > 0)
{
//StandardFeedResults.ToList().RemoveAll(x => x != foundPlaying.First());
var tempUIDs = StandardFeedResults.Where(x => string.IsNullOrEmpty(x.UIStateFull)).Select(x => x.Uid).ToArray();
string foundUID = foundPlaying.First().Uid;
for (int i = 0; i < tempUIDs.Count(); i++)
{
//if (tempUIDs[i] != foundUID)
StandardFeedResults.Remove(StandardFeedResults.Where(x => x.Uid == tempUIDs[i] && string.IsNullOrEmpty(x.UIStateFull)).First());
}
}
else
{
StandardFeedResults.Clear();
}
var found = AppDatabase.Current.RetrieveYoutubeHistoryItemByGrouping(grouping);
if (found != null && found.Count > 0)
{
//StandardFeedResults.ToList().RemoveAll(x => x._Grouping == grouping);
found.Reverse();
foreach (var item in found)
{
var ytdi = new YoutubeDataItem(item.Uid, item.Title, item.Subtitle, item.ImagePath, item.Description, item.VideoId, null);
ytdi._Grouping = grouping;
//if (StandardFeedResults.Count() == 0)
StandardFeedResults.Add(ytdi);
//else
// StandardFeedResults.Insert(0, ytdi);
}
return;
}
//});
//});
}
catch (Exception ex) {
AlertService.LogAlertMessage("Error retrieving History from Cache", ex.Message);
}
return;
}