public async Task <SyndicationFeedFormatter> GetUserFeedAsync(
string userId,
string encoding,
int maxLength,
bool isPopular)
{
Logger.Info($"{nameof(GetUserFeedAsync)} for user {userId} requested");
var baseAddress = GetBaseAddress();
const string fields = "items(contentDetails,id,snippet)";
var listRequestForUsername = _youtubeService.Channels.List("snippet,contentDetails");
listRequestForUsername.ForUsername = userId;
listRequestForUsername.MaxResults = 1;
listRequestForUsername.Fields = fields;
var listRequestForId = _youtubeService.Channels.List("snippet,contentDetails");
listRequestForId.Id = userId;
listRequestForId.MaxResults = 1;
listRequestForId.Fields = fields;
var channel = (await Task.WhenAll(listRequestForUsername.ExecuteAsync(), listRequestForId.ExecuteAsync())).
SelectMany(_ => _.Items).
First();
var arguments = new Arguments(
channel.ContentDetails.RelatedPlaylists.Uploads,
encoding,
maxLength,
isPopular);
var cachedFeed = GetFromCache(arguments);
if (cachedFeed != null)
{
return(cachedFeed);
}
var feed = new ItunesFeed(
GetTitle(channel.Snippet.Title, arguments),
channel.Snippet.Description,
new Uri(string.Format(_channelUrlFormat, channel.Id)))
{
ImageUrl = new Uri(channel.Snippet.Thumbnails.Medium.Url),
Items = await GenerateItemsAsync(
baseAddress,
channel.Snippet.PublishedAt.GetValueOrDefault(),
arguments),
};
return(SetCache(arguments, GetFormatter(feed)));
}
public async Task <SyndicationFeedFormatter> GetPlaylistFeedAsync(
string playlistId,
string encoding,
int maxLength,
bool isPopular)
{
Logger.Info($"{nameof(GetPlaylistFeedAsync)} for playlist {playlistId} requested");
var baseAddress = GetBaseAddress();
var arguments = new Arguments(
playlistId,
encoding,
maxLength,
isPopular);
var playlistRequest = _youtubeService.Playlists.List("snippet");
playlistRequest.Id = playlistId;
playlistRequest.MaxResults = 1;
var playlist = (await playlistRequest.ExecuteAsync()).Items.First();
var cachedFeed = GetFromCache(arguments);
if (cachedFeed != null)
{
return(cachedFeed);
}
var feed = new ItunesFeed(
GetTitle(playlist.Snippet.Title, arguments),
playlist.Snippet.Description,
new Uri(string.Format(_playlistUrlFormat, playlist.Id)))
{
ImageUrl = new Uri(playlist.Snippet.Thumbnails.Medium.Url),
Items = await GenerateItemsAsync(
baseAddress,
playlist.Snippet.PublishedAt.GetValueOrDefault(),
arguments),
};
return(SetCache(arguments, GetFormatter(feed)));
}
public async Task <SyndicationFeedFormatter> GetPlaylistFeedAsync(
string playlistId,
string encoding,
int maxLength,
bool isPopular)
{
var baseAddress = GetBaseAddress();
var arguments = new Arguments(
playlistId,
encoding,
maxLength,
isPopular);
if (_feedCache.TryGet(arguments, out var formatter))
{
return(formatter);
}
var playlistRequest = _youtubeService.Playlists.List("snippet");
playlistRequest.Id = playlistId;
playlistRequest.MaxResults = 1;
var playlist = (await playlistRequest.ExecuteAsync()).Items.First();
var feed = new ItunesFeed(
GetTitle(playlist.Snippet.Title, arguments),
playlist.Snippet.Description,
new Uri(string.Format(_playlistUrlFormat, playlist.Id)))
{
ImageUrl = new Uri(playlist.Snippet.Thumbnails.Medium.Url),
Items = await GenerateItemsAsync(
baseAddress,
playlist.Snippet.PublishedAt.GetValueOrDefault(),
arguments),
};
return(CacheFeed(arguments, feed));
}
