public async Task <IActionResult> DownloadSourceCodesAsZip(int exerciseId)
{
if (!IsLector())
{
return(Forbid());
}
var sourceCodes = await _assignmentService.GetAllSourceCodes(exerciseId);
using (var memoryStream = new MemoryStream())
{
using (var zipArchive = new ZipArchive(memoryStream, ZipArchiveMode.Create, true))
{
foreach (var sourceCode in sourceCodes)
{
var entry = zipArchive.CreateEntry($@"{sourceCode.UserFullName}\source.txt");
using (StreamWriter writer = new StreamWriter(entry.Open()))
{
await writer.WriteAsync(sourceCode.Source);
}
}
}
memoryStream.Position = 0;
var result = new FileContentResult(memoryStream.ToArray(), "application/zip")
{
FileDownloadName = $"Exercise_{exerciseId}_sources.zip"
};
return(result);
}
}