public async Task <Video?> Delete(int videoId)
{
Video video = await Get(videoId);
video.Status = VideoStatus.Deleted;
await _videoManagerDbContext.SaveChangesAsync();
return(video);
}
public async Task <int> AssignDurations()
{
var tasks = (await _videoManagerDbContext.Videos
.Where(x => x.Status == VideoStatus.Ready && !x.DurationInSeconds.HasValue)
.Select(x => new { video = x, task = _encoderService.GetVideoDurationInSeconds(x.GetEncodedFilePath()) })
.ToArrayAsync());
foreach (var taskObject in tasks)
{
taskObject.video.DurationInSeconds = await taskObject.task;
}
await _videoManagerDbContext.SaveChangesAsync();
return(tasks.Length);
}
public override async Task <bool> DoWork()
{
using IServiceScope scope = _scopeFactory.CreateScope();
IVideoManagerService videoService = scope.ServiceProvider.GetRequiredService <IVideoManagerService>();
List <Video> videos = await videoService.GetVideosToEncode(_maxConcurrentTasks);
if (videos.Count == 0)
{
return(false);
}
VideoManagerDbContext videoManagerDbContext = scope.ServiceProvider.GetRequiredService <VideoManagerDbContext>();
IEncoder encodingService = scope.ServiceProvider.GetRequiredService <IEncoder>();
List <Task <EncodeResult> > encodingTasks = new(videos.Count);
foreach (Video video in videos)
{
encodingTasks.Add(encodingService.Encode(video));
video.Status = VideoStatus.Encoding;
}
await videoManagerDbContext.SaveChangesAsync();
for (int i = 0; i < encodingTasks.Count; i++)
{
Video video = videos[i];
EncodeResult encodeResult = await encodingTasks[i];
video.Status = encodeResult.Success
? VideoStatus.Ready
: VideoStatus.Failed;
video.EncodeTime = encodeResult.EncodeTime;
video.EncodedLength = encodeResult.EncodedFileLength;
}
await videoManagerDbContext.SaveChangesAsync();
return(true);
}
public async Task <User?> CreateOrGetByAuthUser(AuthUser authUser)
{
if (_memoryCache.TryGetValue(authUser.Sub, out User? user))
{
return(user);
}
user = await _videoManagerDbContext.Users.FirstOrDefaultAsync(x => x.Auth0Id == authUser.Sub);
if (user == null && !string.IsNullOrEmpty(authUser.Sub) && !string.IsNullOrEmpty(authUser.Email))
{
user = new User(authUser.Sub, authUser.Email.ToLower());
await _videoManagerDbContext.Users.AddAsync(user);
await _videoManagerDbContext.SaveChangesAsync();
}
_memoryCache.Set(authUser.Sub, user);
return(user);
}