public void Save(Infos data)
{
DateTime today = DateTime.Now;
//新增
if (data.Id == 0)
{
data.CreateDate = today;
data.ModifyDate = today;
context.Infos.Add(data);
}
else
{
//編輯
Infos dbEntry =
context.Infos.FirstOrDefault(p => p.Id == data.Id);
if (dbEntry != null)
{
dbEntry.Title = data.Title;
dbEntry.PublishDate = data.PublishDate;
dbEntry.OffDateTime = data.OffDateTime;
dbEntry.HtmlContent = data.HtmlContent;
dbEntry.ModifyDate = today;
}
}
context.SaveChanges();
}
public ActionResult Edit(InfoEditViewModel vm, string[] selectedTags)
{
if (ModelState.IsValid)
{
DateTime today = DateTime.Now;
Infos dbEntry;
if (vm.ID == 0)
{
dbEntry = new Infos()
{
Title = vm.Title,
HtmlUrl = vm.HtmlUrl,
Dtype = 1,
CreateDate = today,
PublishDate = vm.PublishDate,
OffDateTime = vm.OffDateTime,
HtmlContent = vm.HtmlContent
};
//新增
context.Infos.Add(dbEntry);
}
else
{
//編輯
dbEntry =
context.Infos
.Include(s => s.InfoTag)
.ThenInclude(e => e.Tag)
.FirstOrDefault(p => p.Id == vm.ID);
if (dbEntry != null)
{
dbEntry.Title = vm.Title;
dbEntry.HtmlUrl = vm.HtmlUrl;
dbEntry.Dtype = 1;
dbEntry.PublishDate = vm.PublishDate;
dbEntry.OffDateTime = vm.OffDateTime;
dbEntry.HtmlContent = vm.HtmlContent;
dbEntry.ModifyDate = today;
//UpdateInstructorTags(selectedTags, dbEntry);
}
}
UpdateInstructorTags(selectedTags, dbEntry);
context.SaveChanges();
TempData["message"] = $"已經儲存!";
return(RedirectToAction("List"));
}
else
{
var infoTag =
new HashSet <int>(selectedTags.Select(c => Convert.ToInt32(c)));
var viewModel = new List <SelectListViewModel>();
foreach (var _tag in context.Tag)
{
viewModel.Add(new SelectListViewModel
{
Id = _tag.Id,
Name = _tag.TagName,
Assigned = infoTag.Contains(_tag.Id)
});
}
ViewData["Tags"] = viewModel;
return(View(vm));
}
//return View(vm);
}