Backup / Restore funktioner infört för kommande uppdateringar

StockDAL/StockRepository.cs

@@ -64,6 +64,13 @@ namespace StockDAL
             return output;
         }
 
+        public void RemoveAllStocks()
+        {
+            using var context = new StockContext();
+            context.Stocks.RemoveRange(GetAllStocks());
+            context.SaveChanges();
+        }
+
         public void InsertMany(List<StockMember> stockMembers)
         {
             using var context = new StockContext();
@@ -71,5 +78,38 @@ namespace StockDAL
             context.SaveChanges();
         }
 
+        public void RestoreStockMembers(List<StockMember> stockMembers)
+        {
+            using var context = new StockContext();
+            using var transaction = context.Database.BeginTransaction();
+
+            try
+            {
+                var stocksToRemove = context.Stocks;
+                context.Stocks.RemoveRange(stocksToRemove);
+                var insertStocks = stockMembers.Select(o => new StockMember
+                {
+                    Id = 0,
+                    StockId = o.StockId,
+                    StockExtId = o.StockExtId,
+                    BuyDate = o.BuyDate,
+                    BuyValue = o.BuyValue,
+                    ActAmount = o.ActAmount,
+                    ActValue = o.ActValue,
+                    ActDate = o.ActDate,
+                    SoldValue = o.SoldValue,
+                    SoldDate = o.SoldDate,
+                    Comment = o.Comment,
+                    PostAmount = o.PostAmount
+                }).ToList();
+                context.Stocks.AddRange(insertStocks);
+                context.SaveChanges();
+                transaction.Commit();
+            }
+            catch (Exception ex)
+            {
+                throw new InvalidOperationException(ex.Message);
+            }
+        }
     }
 }