public async Task <IActionResult> Edit(int?id, string name)
{
using var db = AppContextFactory.DB;
OntologyEditViewModel model = new OntologyEditViewModel();
await TryUpdateModelAsync <OntologyEditViewModel>(model, "", i => i.FacetId, i => i.ElementName);
if (db.FacetItems.Any(i => i.FacetId == model.FacetId && i.Name == model.ElementName))
{
ModelState.AddModelError("Error", "Такой элемент уже есть!");
}
if (!ModelState.IsValid)
{
return(View(new OntologyEditViewModel()
{
ElementName = model.ElementName,
Facets = (from f in db.Facets
select new SelectListItem()
{
Text = f.Name,
Value = f.Id.ToString(),
Selected = model.FacetId == f.Id
}).ToList()
}));
}
using var t = db.Database.BeginTransaction();
try
{
FacetItem fi = new FacetItem();
if (id.HasValue)
{
fi = db.FacetItems.FirstOrDefault(i => i.Id == id.Value) ?? new FacetItem();
}
fi.FacetId = model.FacetId;
fi.Name = model.ElementName;
if (fi.Id == 0)
{
db.Entry(fi).State = Microsoft.EntityFrameworkCore.EntityState.Added;
}
await db.SaveChangesAsync();
await t.CommitAsync();
}
catch (Exception ex)
{
await t.RollbackAsync();
ModelState.AddModelError("Error", "В процессе сохранения произошла ошибка! Ошибка: " + ex.Message);
}
return(RedirectToAction("Index"));
}
public IActionResult Edit(int?id)
{
using var db = AppContextFactory.DB;
OntologyEditViewModel model = new OntologyEditViewModel()
{
Facets = new List <SelectListItem>()
};
model.Facets.Add(new SelectListItem()
{
Selected = true, Text = "[ Выберите класс ]"
});
model.Facets.AddRange(from f in db.Facets
where new string[] { "skills", "subjects" }.Contains(f.Code)
select new SelectListItem()
{
Text = f.Name,
Value = f.Id.ToString()
});
FacetItem fi = new FacetItem();
if (id.HasValue)
{
fi = db.FacetItems.FirstOrDefault(i => i.Id == id) ?? new FacetItem();
}
if (fi.Id != 0)
{
model.Facets.FirstOrDefault(i => i.Value == fi.FacetId.ToString()).Selected = true;
model.FacetId = fi.FacetId;
model.ElementName = fi.Name;
}
return(View(model));
}
