Program fixes , registering new stocks, without dbchanges

StockDAL/StockRepository.cs

@@ -133,6 +133,8 @@ namespace StockDAL
             context.SaveChanges();
         }
 
+
+
         public IEnumerable<StockGrpPers> GetStocksGroupedPerPerson(int persId)
         {
             using var context = new StockContext();
@@ -140,12 +142,52 @@ namespace StockDAL
                           join stk in context.Stocks on prs.StockId equals stk.Id
                           join grp in context.StockGroups on stk.StockId equals grp.StockName
                           where prs.PersonId == persId
-                          orderby grp.GroupName, grp.StockName
+                          orderby grp.StockGroup, grp.StockName
                           select new StockGrpPers
                           {
                               PersId = persId,
                               StockId = stk.StockId,
-                              StockGroup = grp.GroupName
+                              StockGroup = grp.StockGroup
+                          }).ToList();
+            return result;
+        }
+
+        public StockGroupModel SaveStockGroup(StockGroupModel stockGroup)
+        {
+            using var context = new StockContext();
+            var entity = (from sg in context.StockGroups
+                          where sg.Id == stockGroup.Id
+                          select sg).FirstOrDefault();
+            if (entity == null)
+            {
+                entity = new StockGroupModel
+                {
+                    StockGroup = stockGroup.StockGroup,
+                    StockName = stockGroup.StockName
+                };
+                context.StockGroups.Add(entity);
+            }
+            else
+            {
+                entity.StockGroup = stockGroup.StockGroup;
+                entity.StockName = stockGroup.StockName;
+            }
+            context.SaveChanges();
+
+            return entity;
+        }
+
+
+        public IEnumerable<StockGrpPers> GetGroupedStock(string stock)
+        {
+            using var context = new StockContext();
+            var result = (from grp in context.StockGroups
+                          where grp.StockName == stock
+                          select new StockGrpPers
+                          {
+                              PersId = 0,
+                              StockId = grp.StockName,
+                              StockGroup = grp.StockGroup
                           }).ToList();
             return result;
         }
@@ -184,5 +226,17 @@ namespace StockDAL
                 throw new InvalidOperationException(ex.Message);
             }
         }
+
+        public List<string> GetStockNames()
+        {
+            using var context = new StockContext();
+            var output = (from stg in context.StockGroups
+                          orderby stg.StockName
+                          select stg.StockName).ToList();
+            return output;
+        }
+
+
+       
     }
 }