public void AddOne(Category item)
    {
        CustomValidator.ValidateObject(item);
        var exists = Exists(item.Id);

        if (!exists)
        {
            var hasSameName = _context.Categories.Any(cat => cat.Name.ToLower().Equals(item.Name.ToLower()));
            if (hasSameName)
            {
                return;
            }
            var enState = _context.Categories.Add(_categoryMapper.DomainToDb(item));
            enState.State = EntityState.Added;
            _context.SaveChanges();
        }
    }
        public async Task UpdateOne(Category item)
        {
            CustomValidator.ValidateObject(item);
            await using var context = new MyDbContext(_options);
            _categoryMapper         = new CategoryMapper(context);
            if (Exists(item.Id))
            {
                var exists = await HasSameNameAsync(item);

                if (!exists)
                {
                    var enState = context.Categories.Update(_categoryMapper.DomainToDb(item));
                    enState.State = EntityState.Modified;
                    await context.SaveChangesAsync();
                }
            }
        }