public async Task <GetStreamsResponse> Execute(GetStreamsQuery query)
{
var streamFilters = new StreamFilterOptions {
GameName = query.Filters.GameName
};
var unpackedTokens = PageTokens.UnpackTokens(query.PageToken);
var supportedPlatforms = streamPlatformService.GetSupportingPlatforms(streamFilters);
var platformStreams = await streamPlatformService.GetStreams(supportedPlatforms, streamFilters, query.PageSize, unpackedTokens);
var packedTokens = PageTokens
.FromList(platformStreams.Select(p => new PageToken(p.StreamPlatformName, p.NextPageToken)))
.PackTokens();
var aggregatedStreams = platformStreams.SelectMany(p => p.Streams.Select(s => new Stream
{
StreamTitle = s.StreamTitle,
StreamerName = s.StreamerName,
StreamUrl = s.StreamUrl,
IsLive = s.IsLive,
Views = s.Views,
PlatformName = p.StreamPlatformName,
StreamThumbnailUrl = s.StreamThumbnailUrl,
StreamerAvatarUrl = s.StreamerAvatarUrl,
}));
return(new GetStreamsResponse
{
Streams = aggregatedStreams.OrderByDescending(s => s.Views),
NextPageToken = packedTokens
});
}
public void Should_Only_Pack_Non_Empty_Tokens()
{
var pageTokens = new PageTokens()
.AddToken("youtube", "youtube token")
.AddToken("twitch", "");
var packedTokens = pageTokens.PackTokens();
var unpackedTokens = PageTokens.UnpackTokens(packedTokens);
Assert.AreEqual(unpackedTokens.GetTokenOrEmpty("youtube").Token, "youtube token");
Assert.AreEqual(unpackedTokens.GetTokenOrEmpty("twitch").Token, "");
}