Handles even selling

StockDAL/StockRepository.cs

@@ -33,6 +33,21 @@ namespace StockDAL
             context.SaveChanges();
         }
 
+        public void UpdateActualForSell(int id, int sellAmount, decimal sellPrice, DateTime sellDate)
+        {
+            using var context = new StockContext();
+            var entity = (from stk in context.Stocks
+                          where stk.Id == id
+                          select stk).FirstOrDefault();
+            var rest = entity.ActAmount - sellAmount;
+            entity.ActAmount = rest < 0 ? 0 : rest;
+            entity.SoldDate = DateTime.Today;
+            entity.SoldValue = sellAmount * sellPrice;
+
+            context.SaveChanges();
+        }
+
+
         public IEnumerable<StockMember> GetAllStocks()
         {
             using var context = new StockContext();
@@ -44,7 +59,7 @@ namespace StockDAL
         {
             using var context = new StockContext();
             var output = (from stk in context.Stocks
-                          where stk.SoldDate == null || stk.ActValue > 0
+                          where stk.SoldDate == null || stk.ActAmount > 0
                           select stk).ToList();
             return output;
         }