private async Task <FileMaster> updateFile(Stream stream, CheckSum checkSum, IFormFile file, FileMaster duplicateFiles, string path)
{
FileIteration iteration = new FileIteration
{
Id = 0,
FileMasterId = duplicateFiles.Id,
IterationCheckSum = checkSum.CalcCRC32(stream),
};
EntityEntry <FileIteration> entity = await _context.FileIterations.AddAsync(iteration);
_context.SaveChanges();
duplicateFiles.DateUpdated = DateTime.UtcNow;
duplicateFiles.Size = stream.Length;
duplicateFiles.VersionNumber = duplicateFiles.VersionNumber + 1;
duplicateFiles.FileIterations.Add(entity.Entity);
EntityEntry <FileMaster> entry2 = _context.Files.Update(duplicateFiles);
_context.SaveChanges();
duplicateFiles = entry2.Entity;
string newFileName = duplicateFiles.Id + "_" + duplicateFiles.VersionNumber + Path.GetExtension(path);
string thenPath = root + "/" + duplicateFiles.Location + "/" + newFileName;
string newFilePath = FormatthePath(thenPath);
entity.Entity.IterationName = newFileName;
entity.Entity.IterationPath = newFilePath;
EntityEntry <FileIteration> entry3 = _context.FileIterations.Update(entity.Entity);
_context.SaveChanges();
//iteration = entry3.Entity;
using (FileStream fileStream = System.IO.File.Create(newFilePath))
{
await stream.CopyToAsync(fileStream);
}
await _context.SaveChangesAsync();
return(entry2.Entity);
}
public async Task <IActionResult> Uploading(IFormFile file)
{
string fullPath = "";
int folderCount = Track.level;
//store the file
FileMaster duplicateFiles = await _context.Files.Include(p => p.FileIterations).FirstOrDefaultAsync(p => p.FileName == file.FileName);
//Folder getLastFolder = await _context.Folders.LastOrDefaultAsync();
//Folder parentFolder = await _context.Folders.FirstOrDefaultAsync(p => p.Id == getLastFolder.Id);
if (duplicateFiles != null)
{
string dupliPath = root + duplicateFiles.Location + "/" + duplicateFiles.FileName;
fullPath = FormatthePath(dupliPath);
}
if (file.Length > 0)
{
if (duplicateFiles == null)
{
return(new ObjectResult(await upNewFile(file)));
}
else
{
Stream stream = file.OpenReadStream();
CheckSum checkSum = new CheckSum();
if (duplicateFiles.FileIterations.Any(f => f.IterationCheckSum == checkSum.CalcCRC32(stream)))
{
return(new ObjectResult("Same file already exists!"));
}
else
{
FileMaster fi = await updateFile(stream, checkSum, file, duplicateFiles, fullPath);
return(Ok());
}
}
}
else
{
return(new ObjectResult("Empty file Choosen!"));
}
}
private async Task <IActionResult> upNewFile(IFormFile file)
{
string fname = "";
Stream stream1 = file.OpenReadStream();
CheckSum objCheckSum = new CheckSum();
//string hafPath = Track.FolderLevels;
Counter count = await _context.Counter.LastOrDefaultAsync();
for (int i = 0; i < 6; i++)
{
if (count.CounterNumber == 5)
{
await FormatFolders(count);
}
if (count.CounterNumber < 5)
{
fname = count.CounterNumber + "";
if (fname.Length < 2)
{
fname = "00" + i;
}
else if (fname.Length < 3)
{
fname = "0" + i;
}
else if (fname.Length < 4)
{
fname = i + "";
}
if (!Directory.Exists(Track.FolderLevels + fname))
{
break;
}
}
}
string nroot = Track.FolderLevels + fname;
if (!Directory.Exists(nroot))
{
Folder pholder = new Folder()
{
Id = 0,
FolderName = fname,
DateCreated = DateTime.UtcNow,
Location = Path.GetRelativePath(Track.FolderLevels, nroot),
ParentFolderId = null,
};
EntityEntry <Folder> entry1 = await _context.Folders.AddAsync(pholder);
_context.SaveChanges();
Directory.CreateDirectory(nroot);
Counter lcount = await _context.Counter.LastOrDefaultAsync();
int lastCount = lcount.CounterNumber++;
EntityEntry <Counter> entr = _context.Counter.Update(lcount);
_context.SaveChanges();
}
Folder uploadingfolder = _context.Folders.LastOrDefault();
int folId = uploadingfolder.Id;
FileMaster theFile = new FileMaster
{
Id = 0,
FileName = Path.GetFileName(file.FileName),
//Name = Path.GetFileNameWithoutExtension(file.FileName),
ClientFilePath = Path.GetFullPath(file.FileName),
DateUploaded = DateTime.UtcNow,
DateUpdated = DateTime.UtcNow,
Location = ((await _context.Folders.FirstOrDefaultAsync(p => p.Id == folId)).Location),
Type = Path.GetExtension(file.FileName),
Size = file.Length,
VersionNumber = 0,
Folder = await _context.Folders.FirstOrDefaultAsync(p => p.Id == folId),
FileIterations = new List <FileIteration>()
};
EntityEntry <FileMaster> entry = await _context.Files.AddAsync(theFile);
_context.SaveChanges();
string stName = entry.Entity.Id + "_" + entry.Entity.VersionNumber + Path.GetExtension(file.FileName);
string stPath = Track.FolderLevels + uploadingfolder.FolderName + "/" + stName;
FileIteration iter = new FileIteration
{
Id = 0,
FileMasterId = entry.Entity.Id,
IterationCheckSum = objCheckSum.CalcCRC32(stream1),
IterationName = stName,
IterationPath = stPath
};
EntityEntry <FileIteration> entry2 = await _context.FileIterations.AddAsync(iter);
_context.SaveChanges();
theFile.FileIterations.Add(entry2.Entity);
//when the version of file is updated
EntityEntry <FileMaster> entry3 = _context.Files.Update(theFile);
_context.SaveChanges();
theFile = entry3.Entity;
using (var stream = new FileStream(stPath, FileMode.Create))
{
await file.CopyToAsync(stream);
}
return(Ok());
}
