public SDatabase Install(SDelete d, long c)
{
var obs = objects;
if (d.uid >= STransaction._uid)
{
obs += (d.uid, d);
}
SRecord?sr = null;
var st = (STable)obs[d.table];
for (var b = st.indexes.First(); b != null; b = b.Next())
{
var x = (SIndex)objects[b.Value.Item1];
if (sr == null)
{
sr = Get(d.delpos);
}
obs += (x.uid, x - (sr, c));
if (x.references == d.table && x.Contains(sr))
{
throw new Exception("Referential constraint");
}
}
var nms = names;
if (sr != null)
{
st = st.Remove(sr.Defpos);
obs += (d.table, st);
nms = names + (st.name, st);
}
return(New(obs, nms, c));
}
static void Main(string[] args)
{
DateTime Start1 = new DateTime(2018, 1, 20);
DateTime End1 = new DateTime(2018, 2, 20);
DateTime Start2 = new DateTime(2018, 1, 10);
DateTime End2 = new DateTime(2018, 4, 30);
List <scroll> lstScroll = new List <scroll>();
DeletedScroll product1 = new DeletedScroll(1, "пиво", 10, "нет");
DeletedScroll product2 = new DeletedScroll(2, "коньяк", 40, "нет");
//Использование интерфейса
lstScroll.Add(new TemporaryScroll(3, "Водка", 40, "Да", 10, Start1, End1));
lstScroll.Add(new TemporaryScroll(4, "Вино", 20, "Да", 9, Start2, End2));
lstScroll.Add(product1);
lstScroll.Add(product2);
lstScroll.OrderBy(b => b.scrollID);
foreach (scroll ff in lstScroll)
{
ff.info();
Console.WriteLine();
}
Console.Write("Введите номер номенклатуры, которую хотите убрать из продажи ");
int scrollID = Convert.ToInt32(Console.ReadLine());
Console.WriteLine();
int scrollCount = lstScroll.Count(b => b.scrollID == scrollID);
if (scrollCount == 1)
{
SDelete dScroll = lstScroll.SingleOrDefault(b => b.scrollID == scrollID);
dScroll.Delete();
foreach (scroll ff in lstScroll)
{
ff.info();
Console.WriteLine();
}
}
else
{
Console.WriteLine("Неверное значение");
}
Console.ReadLine();
}
