public async Task <AttachmentResponse> AddMessageAttachmentAsync(AddMessageAttachmentRequest request)
{
var message = await UnitOfWork.MessageRepository.GetMessageByIdAsync(request.MessageId);
Ensure.That(message).WithException(x => new NotFoundException(new ErrorDto(ErrorCode.NotFound, "Message does not exist."))).IsNotNull();
var messageAttachments = await UnitOfWork.AttachmentRepository.GetMessageAttachmentsAsync(message.Id);
if (messageAttachments.Count == _attachmentConfiguration.Limit)
{
throw new LimitedAttachmentsException(new ErrorDto(ErrorCode.LimmitedAttachmentsError, "Attachments count is limited."));
}
var attachment = new Domain.Attachment.Attachment
{
Id = Guid.NewGuid(),
ContentType = request.ContentType,
Created = DateTimeOffset.UtcNow,
FileName = Guid.NewGuid() + "." + request.Extension,
MessageId = request.MessageId,
Size = request.Size
};
// Save attachment in database
await UnitOfWork.AttachmentRepository.AddAttachmentAsync(attachment);
// Save attachment in blob storage
await _contentStorage.SaveContentAsync(attachment.FileName, request.Content, _cloudStorageConfiguration.MessageAttachmentsContainer);
return(attachment.ToAttachmentResponse());
}
public static AttachmentResponse ToAttachmentResponse(this Domain.Attachment.Attachment attachment)
{
var attachmentResponse = new AttachmentResponse();
if (attachment != null)
{
attachmentResponse.Id = attachment.Id;
attachmentResponse.ContentType = attachment.ContentType;
attachmentResponse.Created = attachment.Created;
attachmentResponse.FileName = attachment.FileName;
attachmentResponse.MessageId = attachment.MessageId;
attachmentResponse.Size = attachment.Size;
}
return(attachmentResponse);
}
