public void DeleteFolder(Folder folder)
{
using (var context = new FileManagerContext())
{
context.Folders.Attach(folder);
context.Entry(folder).State = EntityState.Deleted;
context.SaveChanges();
}
}
public void AddFile(File file)
{
using (var context = new FileManagerContext())
{
file.CreationDate = DateTime.Now;
context.Files.Attach(file);
context.Entry(file).State = EntityState.Added;
context.SaveChanges();
}
}
public void DeleteFile(int fileId)
{
using (var context = new FileManagerContext())
{
var file = (from f in context.Files
where f.FileId == fileId
select f).FirstOrDefault();
context.Files.Attach(file);
context.Entry(file).State = EntityState.Deleted;
context.SaveChanges();
}
}
public void UpdateFileComments(int fileId, string comment)
{
File file;
using (var context = new FileManagerContext())
{
file = (from f in context.Files
where f.FileId == fileId
select f).FirstOrDefault();
var newComment = new FileComment();
newComment.CommentText = comment;
newComment.FileId = file.FileId;
context.FileComments.Add(newComment);
context.SaveChanges();
context.Files.Attach(file);
context.Entry(file).State = EntityState.Modified;
context.SaveChanges();
}
}
public void RenameFile(File file)
{
File oldFile;
using (var context = new FileManagerContext())
{
oldFile = (from f in context.Files
where f.FileId == file.FileId
select f).FirstOrDefault();
}
var nameChange = new FileNameChange();
if (oldFile.FileName != file.FileName)
{
nameChange.FileChangeDate = DateTime.Now;
nameChange.FileId = file.FileId;
nameChange.OldName = oldFile.FileName;
nameChange.NewName = file.FileName;
if (file.FileNameChanges == null)
{
file.FileNameChanges = new List <FileNameChange>();
}
file.FileNameChanges.Add(nameChange);
}
file.FileContent = oldFile.FileContent;
using (var context = new FileManagerContext())
{
context.FileNameChanges.Add(nameChange);
context.SaveChanges();
context.Files.Attach(file);
context.Entry(file).State = EntityState.Modified;
context.SaveChanges();
}
}