public async Task <ServiceResponse <string> > DownloadAllCommentFiles(GetAllCommentFilesDto dto)
{
ServiceResponse <string> response = new ServiceResponse <string>();
User user = await _context.Users.Include(u => u.ProjectGroups).FirstOrDefaultAsync(u => u.Id == GetUserId());
Submission submission = await _context.Submissions.Include(s => s.Comments).FirstOrDefaultAsync(s => s.Id == dto.SubmissionId);
if (submission == null)
{
response.Data = null;
response.Message = "There is no project group under this Id";
response.Success = false;
return(response);
}
if (user.ProjectGroups.FirstOrDefault(pgu => pgu.ProjectGroupId == submission.AffiliatedGroupId) == null && user.UserType == UserTypeClass.Student)
{
response.Data = null;
response.Message = "You are not authorized for this endpoint";
response.Success = false;
return(response);
}
if (submission.Comments.FirstOrDefault(cm => cm.CommentedSubmissionId == dto.SubmissionId) == null)
{
response.Data = null;
response.Message = "There is no comment for this group yet";
response.Success = false;
return(response);
}
response.Data = Path.Combine(_hostingEnvironment.ContentRootPath, string.Format("{0}/{1}/{2}",
"StaticFiles/Feedbacks", submission.CourseId, dto.SubmissionId));
return(response);
}
public async Task <IActionResult> GetAllCommentFiles(int submissionId)
{
GetAllCommentFilesDto dto = new GetAllCommentFilesDto {
SubmissionId = submissionId
};
ServiceResponse <string> response = await _commentService.DownloadAllCommentFiles(dto);
if (!response.Success)
{
return(BadRequest(response));
}
List <string> files = new List <string>();
Stack <string> stack = new Stack <string>();
string s = response.Data;
stack.Push(s);
while (stack.Count != 0)
{
s = stack.Peek();
stack.Pop();
foreach (string f in Directory.GetFiles(s))
{
files.Add(f);
}
foreach (string d in Directory.GetDirectories(s))
{
stack.Push(d);
}
}
var webRoot = _hostingEnvironment.ContentRootPath;
var fileName = "Feedbacks.zip";
var tempOutput = webRoot + "/StaticFiles/Feedbacks/" + fileName;
using (ZipOutputStream zipOutputStream = new ZipOutputStream(System.IO.File.Create(tempOutput)))
{
zipOutputStream.SetLevel(9);
byte[] buffer = new byte[4096];
for (int i = 0; i < files.Count; i++)
{
ZipEntry zipEntry = new ZipEntry(Path.GetFileName(files[i]));
zipEntry.DateTime = DateTime.Now;
zipEntry.IsUnicodeText = true;
zipOutputStream.PutNextEntry(zipEntry);
using (FileStream fileStream = System.IO.File.OpenRead(files[i]))
{
int sourceBytes;
do
{
sourceBytes = fileStream.Read(buffer, 0, buffer.Length);
zipOutputStream.Write(buffer, 0, sourceBytes);
} while (sourceBytes > 0);
}
}
zipOutputStream.Finish();
zipOutputStream.Flush();
zipOutputStream.Close();
byte[] finalResult = System.IO.File.ReadAllBytes(tempOutput);
if (System.IO.File.Exists(tempOutput))
{
System.IO.File.Delete(tempOutput);
}
if (finalResult == null || !finalResult.Any())
{
return(BadRequest(response));
}
return(File(finalResult, "application/zip", fileName));
}
}
