public async Task DeleteVideo(Guid id)
{
var video = await _catalogDb.Videos.FirstOrDefaultAsync(v => v.Id == id);
if (video != null)
{
if (video.Status != Status.Converted)
{
throw new Exception("Video can be deleted only after converting finished.");
}
var dir = new DirectoryInfo(_fileStorageSettings.Path);
foreach (var file in dir.EnumerateFiles(id.ToString("N") + ".*"))
{
file.Delete();
}
var hlsDir = new DirectoryInfo(Path.Combine(_fileStorageSettings.Path, "hls", id.ToString("N")));
if (hlsDir.Exists)
{
hlsDir.Delete(true);
}
if (video.ImageFileName != null)
{
var imgDirectoryPath = Path.Combine(_fileStorageSettings.Path, "images");
var imgDirectory = new DirectoryInfo(imgDirectoryPath);
if (!imgDirectory.Exists)
{
imgDirectory.Create();
}
foreach (var oldFile in imgDirectory.EnumerateFiles(id.ToString("N") + ".*"))
{
oldFile.Delete();
}
}
var userVideos = await _catalogDb.UserVideoLists.Where(uvl => uvl.Video.Id == video.Id).ToListAsync();
var userProgresses = await _catalogDb.UserVideoProgresses.Where(uvp => uvp.Video.Id == video.Id).ToListAsync();
_catalogDb.RemoveRange(userVideos);
_catalogDb.RemoveRange(userProgresses);
_catalogDb.Remove(video);
await _catalogDb.SaveChangesAsync();
}
}
