public async Task Handle(AddSampleRatings busCommand)
{
// Get some user ids and video ids to rate with those users
List <Guid> userIds = await _sampleDataRetriever.GetRandomSampleUserIds(busCommand.NumberOfRatings).ConfigureAwait(false);
if (userIds.Count == 0)
{
Logger.Warn("No sample users available. Cannot add sample ratings.");
return;
}
List <Guid> videoIds = await _sampleDataRetriever.GetRandomVideoIds(busCommand.NumberOfRatings).ConfigureAwait(false);
if (videoIds.Count == 0)
{
Logger.Warn("No sample videos available. Cannot add sample ratings.");
return;
}
// Rate some videos in parallel
var ratingTasks = new List <Task>();
var random = new Random();
for (int i = 0; i < busCommand.NumberOfRatings; i++)
{
ratingTasks.Add(_ratingsService.RateVideo(new RateVideo
{
UserId = userIds[i],
VideoId = videoIds[i],
Rating = random.Next(1, 6)
}));
}
await Task.WhenAll(ratingTasks).ConfigureAwait(false);
}
public async Task Handle(AddSampleYouTubeVideos busCommand)
{
// Get some sample users to be the authors for the videos we're going to add
List <Guid> userIds = await _sampleDataRetriever.GetRandomSampleUserIds(busCommand.NumberOfVideos).ConfigureAwait(false);
if (userIds.Count == 0)
{
Logger.Warn("No sample users available. Cannot add sample YouTube videos.");
return;
}
// Get some unused sample videos
List <YouTubeVideo> sampleVideos = await _youTubeManager.GetUnusedVideos(busCommand.NumberOfVideos).ConfigureAwait(false);
// Add them to the site using sample users
for (int idx = 0; idx < sampleVideos.Count; idx++)
{
YouTubeVideo sampleVideo = sampleVideos[idx];
Guid userId = userIds[idx];
// Submit the video
await _videoCatalog.SubmitYouTubeVideo(new SubmitYouTubeVideo
{
VideoId = Guid.NewGuid(),
UserId = userId,
YouTubeVideoId = sampleVideo.YouTubeVideoId,
Name = sampleVideo.Name,
Description = sampleVideo.Description,
Tags = sampleVideo.SuggestedTags
}).ConfigureAwait(false);
// Mark them as used so we make a best effort not to reuse sample videos and post duplicates
await _youTubeManager.MarkVideoAsUsed(sampleVideo).ConfigureAwait(false);
}
}
public async Task Handle(AddSampleComments busCommand)
{
// Get some sample users to use as comment authors
List <Guid> userIds = await _sampleDataRetriever.GetRandomSampleUserIds(busCommand.NumberOfComments).ConfigureAwait(false);
if (userIds.Count == 0)
{
Logger.Warn("No sample users available. Cannot add sample comments.");
return;
}
// Get some videos to comment on
List <Guid> videoIds = await _sampleDataRetriever.GetRandomVideoIds(busCommand.NumberOfComments).ConfigureAwait(false);
if (videoIds.Count == 0)
{
Logger.Warn("No sample videos available. Cannot add sample comments.");
return;
}
// Choose a NLipsum generator for generating the comment text
int lipsumIdx = new Random().Next(LipsumSources.Length);
var lipsum = new LipsumGenerator(LipsumSources[lipsumIdx](), false);
var comments = lipsum.GenerateParagraphs(busCommand.NumberOfComments, Paragraph.Short);
// Add some sample comments in parallel
var commentTasks = new List <Task>();
for (int i = 0; i < busCommand.NumberOfComments; i++)
{
commentTasks.Add(_commentService.CommentOnVideo(new CommentOnVideo
{
CommentId = TimeUuid.NewId(),
VideoId = videoIds[i],
UserId = userIds[i],
Comment = comments[i]
}));
}
await Task.WhenAll(commentTasks).ConfigureAwait(false);
}
protected override async Task RunImpl()
{
// When running for the first time, try to make sure we've refreshed videos from YouTube first and added some users before running
int numberOfVideos = 1;
if (IsFirstTimeRunning)
{
// Will throw if no videos are there yet, causing the job to be delayed and retried
await _youTubeManager.GetUnusedVideos(10);
// Check for users
List <Guid> userIds = await _sampleDataRetriever.GetRandomSampleUserIds(10);
if (userIds.Count == 0)
{
throw new InvalidOperationException("No sample users available yet. Waiting to run AddSampleYouTubeVideosJob.");
}
// Otherwise, we're good, add 10 sample videos the first time we run
numberOfVideos = 10;
}
await _sampleDataService.AddSampleYouTubeVideos(new AddSampleYouTubeVideos { NumberOfVideos = numberOfVideos }).ConfigureAwait(false);
}