public async Task UploadFilesAsync(UploadFilesCommand command)
{
// Check file metadata against upload session information
Guid sessionId = new Guid(command.UploadSessionId);
UploadSession session = await this.UploadSessionRepository.GetByIdAsync(sessionId);
if (session == null)
{
//TODO: Throw exception: the specified upload session does not exist.
throw new UploadSessionNotStartedException("No upload session has been started. Please, make sure to first start the upload session before uploading files.");
}
if (!session.IsStarted)
{
throw new UploadSessionNotStartedException("The specified upload session is not in the started state so no files can be uploaded. Please, start a new session for uploading.");
}
// Check that id's specified in the command are valid
if (!session.AreFilesRegistered(command.Files.Select(f => new Guid(f.FileId)).AsEnumerable()))
{
throw new UploadSessionFileNotRegisteredException("Some of the files specified were not previously registered for upload. Please, make sure that all files are first registered for upload at session start.");
}
// Upload files (first store file content, second update session information)
foreach (var file in command.Files)
{
Guid fileId = new Guid(file.FileId);
FileUploadDescription uploadDescription = session.GetFileUploadDescription(fileId);
// Upload file
ResourceUri sourceStoreFileUri = await this.UploadFileWithoutCommitingDomainChangesAsync(fileId, session.OwnerId, uploadDescription.FileName,
uploadDescription.ContentType, uploadDescription.ContentLength, file.Content, session.UploadAsPublic);
// Update session (mark file as uploaded and assign access uri)
ResourceUri fileAccessUri = RoutingService.BuildUriForFile(uploadDescription, sourceStoreFileUri, session.UploadAsPublic);
session.MarkFileAsUploaded(fileId);
session.AssignUriToFileDescription(fileId, fileAccessUri);
}
// Save changes
await this.unitOfWork.CommitChangesAsync();
}
public async Task MarkFilesAsUsedAsync(MarkFilesAsUsedCommand command)
{
// VALIDATION
AssertionHelper.AssertNotNull(command, "command");
//TODO: Validate that file id's specified are valid guid's.
if (command.FileIds == null || command.FileIds.Count() < 1)
{
//TODO: Throw exception
}
// Load session based on the identifier of the first file.
UploadSession session = await this.UploadSessionRepository.GetByFileIdAsync(new Guid(command.FileIds.ElementAt(0)));
if (session == null)
{
//TODO: Localize message
throw new UploadSessionNotStartedException(string.Format("No upload session containing some of the specified files has been previously started. Please, make sure that the file identifiers have been properly uploaded correctly."));
}
// Mark file description in upload session as used
session.MarkFilesAsUsed(Mapper.Map <IEnumerable <Guid> >(command.FileIds));
// Index file information
foreach (var id in command.FileIds)
{
FileUploadDescription fileDescription = session.GetFileUploadDescription(new Guid(id));
FileInformationIndex index = FileInformationIndex.Create(fileDescription.Id, session.OwnerId, fileDescription.FileName, fileDescription.ContentType,
fileDescription.ContentLength, fileDescription.AssignedUri, session.UploadAsPublic);
// Save index
this.FileInformationIndexRepository.Add(index);
}
// Commit changes
await this.UnitOfWork.CommitChangesAsync();
}