protected override void ScopeExitCompleted()
{
// processing only the last instance of each event...
// this is probably far from perfect, because if eg a content is saved in a list
// and then as a single content, the two events will probably not be de-duplicated,
// but it's better than nothing
foreach (var e in GetEvents(EventDefinitionFilter.LastIn))
{
e.RaiseEvent();
// separating concerns means that this should probably not be here,
// but then where should it be (without making things too complicated)?
var delete = e.Args as IDeletingMediaFilesEventArgs;
if (delete != null && delete.MediaFilesToDelete.Count > 0)
{
_mediaFileManager.DeleteMediaFiles(delete.MediaFilesToDelete);
}
}
}
public void Can_Delete_MediaFiles()
{
MediaFileManager mediaFileManager = GetRequiredService <MediaFileManager>();
var memoryStream = new MemoryStream(Encoding.UTF8.GetBytes("test"));
string virtualPath = mediaFileManager.GetMediaPath("file.txt", Guid.NewGuid(), Guid.NewGuid());
mediaFileManager.FileSystem.AddFile(virtualPath, memoryStream);
// ~/media/1234/file.txt exists
IHostingEnvironment hostingEnvironment = GetRequiredService <IHostingEnvironment>();
string physPath = hostingEnvironment.MapPathWebRoot(Path.Combine("media", virtualPath));
Assert.IsTrue(File.Exists(physPath));
// ~/media/1234/file.txt is gone
mediaFileManager.DeleteMediaFiles(new[] { virtualPath });
Assert.IsFalse(File.Exists(physPath));
IMediaPathScheme scheme = GetRequiredService <IMediaPathScheme>();
if (scheme is UniqueMediaPathScheme)
{
// ~/media/1234 is *not* gone
physPath = Path.GetDirectoryName(physPath);
Assert.IsTrue(Directory.Exists(physPath));
}
else
{
// ~/media/1234 is gone
physPath = Path.GetDirectoryName(physPath);
Assert.IsFalse(Directory.Exists(physPath));
}
// ~/media exists
physPath = Path.GetDirectoryName(physPath);
Assert.IsTrue(Directory.Exists(physPath));
}
private void DeleteContainedFiles(IEnumerable <IContentBase> deletedEntities)
{
var filePathsToDelete = ContainedFilePaths(deletedEntities);
_mediaFileManager.DeleteMediaFiles(filePathsToDelete);
}