Realiserung erweitert

03_Realisierung/Code Snippets/OrdersHostQuerries/ApplyWmsOrderingSequencerRetrievalTime.cs

@@ -0,0 +1,25 @@
+		public static IOrderedQueryable<OrdersHost> ApplyWmsOrderingSequencerRetrievalTime(this IQueryable<OrdersHost> entity,
+			IWcsDbContext db)
+		{
+			var query = entity
+				.GroupJoin(
+					db.OrdersHost
+						.GroupBy(xx => xx.IdOrderWmsHead)
+						.Select(g => new
+						{
+							IdOrderWmsHead = g.Key,
+							SequencerRetrievalTime = g.Min(y => y.SequencerRetrievalTime)
+						}),
+					o => o.IdOrderWmsHead,
+					m => m.IdOrderWmsHead,
+					(o, m) => new { o, m }
+				)
+				.SelectMany(x => x.m.DefaultIfEmpty(), (x, m) => new { x.o, m })
+				.OrderByDescending(x => x.o.IsStolen)
+				.ThenByDescending(x => x.o.IsDirectPicking)
+				.ThenByDescending(x => x.m.SequencerRetrievalTime != null)
+				.ThenBy(x => x.m.SequencerRetrievalTime)
+				.ThenBy(x => x.o.Created)
+				.Select(x => x.o);
+			return (IOrderedQueryable<OrdersHost>) query;
+		}