public override async Task <DBSubscription> CreateSubscriptionAsync(Uri uri)
{
var username = uri.Segments[1];
await UpdateToken();
var user = await PollyHelper.WebFallbackAsync(() => _client.UserByScreenName(username));
if (user != null)
{
_lastRequest = DateTimeOffset.Now;
}
if (user?.Data.User == null)
{
return(null);
}
return(new DBSubscription
{
SourceId = user.Data.User.RestId.ToString(),
Username = user.Data.User.Legacy.ScreenName,
IsProtected = user.Data.User.Legacy.Protected,
Source = ESource.Twitter
});
}
public override async Task <List <DBCard> > GetCardsAsync(DBSubscription subscription)
{
await UpdateToken();
var timeline = await PollyHelper.WebFallbackAsync(() => _client.UserTweetsAsync(long.Parse(subscription.SourceId), Settings.Default.TwitterMaxLoadPerUser));
if (timeline != null)
{
_lastRequest = DateTimeOffset.Now;
}
return(timeline?.GlobalObjects.Tweets.Values
.Where(w => w.UserId.ToString() == subscription.SourceId).Select(s =>
{
var media = s.ExtendedEntities?.Media?.FirstOrDefault();
return new DBCard
{
Timestamp = s.CreatedAt,
Text = TrimText(s.Text),
CardId = s.Id.ToString(),
Header = $"@{subscription.Username}",
HasImage = media?.Type == ETwitterMediaType.Photo || media?.Type == ETwitterMediaType.Gif,
HasVideo = media?.Type == ETwitterMediaType.Video,
HasRepost = s.QuotedId != null,
OriginalUrl = $"https://twitter.com/{subscription.Username}/status/{s.Id}",
};
}).ToList());
}
public override async Task <DBSubscription> CreateSubscriptionAsync(Uri uri)
{
var id = uri.Segments.ElementAtOrDefault(2);
if (id == null)
{
return(null);
}
if (uri.Segments.ElementAt(1) == "c/" || uri.Segments.ElementAt(1) == "user/")
{
var channelId = await PollyHelper.WebFallbackAsync(() => _client.ChannelId(uri.AbsoluteUri));
if (channelId == null)
{
return(null);
}
id = channelId;
}
using (var xmlReader = XmlReader.Create($"https://www.youtube.com/feeds/videos.xml?channel_id={id}", new XmlReaderSettings {
Async = true
}))
{
var feedReader = new AtomFeedReader(xmlReader);
while (await feedReader.Read())
{
switch (feedReader.ElementType)
{
case SyndicationElementType.Content:
var content = await feedReader.ReadContent();
if (string.Equals(content.Name, "title", StringComparison.OrdinalIgnoreCase))
{
return(new DBSubscription
{
Source = ESource.Youtube,
IsProtected = false,
SourceId = id,
Username = content.Value
});
}
break;
}
}
}
return(null);
}
private async Task <bool> UpdateToken(bool force = false)
{
if (force || _lastRequest.AddMinutes(20) <= DateTimeOffset.Now)
{
_client.GuestToken = null;
var token = await PollyHelper.WebFallbackAsync(() => _client.GetGuestTokenAsync());
if (token != null)
{
_client.GuestToken = token.Value;
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
}