public async Task <DownloadedFileResult> Handle(GetDownloadByIdQuery request, CancellationToken cancellationToken)
{
DownloadedFileResult Result = new DownloadedFileResult();
var dResult = await _unitOfWork.Downloads.GetDownloadedFile(request.DownloadId);
//Check download exist
if (dResult.Download == null || dResult.File == null)
{
Result.ErrorContent = new ErrorContent("No file with the provided id was found", ErrorOrigin.Client);
return(Result);
}
// Check if it's the same requester
if (!request.RequesterAddress.Contains(dResult.Download.IpAdress))
{
Result.ErrorContent = new ErrorContent("Hotlinking disabled by the administrator.", ErrorOrigin.Client);
return(Result);
}
// Get the download options
DownloadOptionsResult options = await _mediatr.Send(new GetDownloadOptionsQuery(_caller.Identity.IsAuthenticated));
if (options.State != OperationState.Success)
{
Result.ErrorContent = new ErrorContent("Error while reading download options", ErrorOrigin.Server);
return(Result);
}
// All good, map results
Result.File = dResult.File;
Result.Download = dResult.Download;
Result.DownloadSpeed = options.Speed;
return(Result);
}
public async Task <RequestDownloadResult> Handle(RequestDownloadQuery request, CancellationToken cancellationToken)
{
string userId = _caller.GetUserId();
RequestDownloadResult Result = new RequestDownloadResult()
{
File = await _unitOfWork.Files.FirstOrDefaultAsync(s => s.Id == request.FileId && s.Status != ItemStatus.To_Be_Deleted)
};
// Check if file exist
if (Result.File == null)
{
Result.ErrorContent = new ErrorContent("No file with the provided id was found", ErrorOrigin.Client);
return(Result);
}
// Check file availablability
if (userId != Result.File.UserId && Result.File.Status != ItemStatus.Visible)
{
Result.ErrorContent = new ErrorContent("This file is not available for public downloads", ErrorOrigin.Client);
return(Result);
}
// Get the download options
DownloadOptionsResult options = await _mediatr.Send(new GetDownloadOptionsQuery(_caller.Identity.IsAuthenticated));
if (options.State != OperationState.Success)
{
Result.ErrorContent = new ErrorContent("Error while reading download options", ErrorOrigin.Client);
return(Result);
}
// Check if there is already a download in progress and get remaining time
var currentDownloads = await GetTTW(options.TTW);
Result.WaitTime = currentDownloads.TotalDownloads > 0
? currentDownloads.TimeToWait
: options.WaitTime;
return(Result);
}
