Aggiunta migration + modifica record statistiche con MachineId (dest) in stats DAY

MP.Data/Repository/Utils/StatsAggrRepository.cs

@@ -93,13 +93,13 @@ namespace MP.Data.Repository.Utils
                 // Creiamo un dizionario per ricerca rapida O(1) basato sulla chiave univoca (Dest + Hour)
                 // Usiamo una Tupla come chiave del dizionario
                 var lookup = existingRecords.ToDictionary(
-                    x => (x.Destination, x.Hour),
+                    x => (x.Destination, x.MachineId, x.Hour),
                     x => x
                 );
 
                 foreach (var incoming in listRecords)
                 {
-                    var key = (incoming.Destination, incoming.Hour);
+                    var key = (incoming.Destination, incoming.MachineId, incoming.Hour);
                     if (lookup.TryGetValue(key, out var existing))
                     {
                         // --- CASO: UPDATE ---
@@ -134,57 +134,6 @@ namespace MP.Data.Repository.Utils
             }
         }
 
-#if false
-        /// <inheritdoc />
-        public async Task<int> UpsertManyAsyncOrig(List<StatsAggregatedModel> listRecords, bool removeOld)
-        {
-            int answ = 0;
-            await using var dbCtx = await CreateContextAsync();
-            await using var tx = await dbCtx.Database.BeginTransactionAsync();
-            try
-            {
-                // in primis se richiesto calcolo range periodo e svuoto...
-                if (removeOld)
-                {
-                    var firstRec = listRecords.OrderBy(x => x.Hour).FirstOrDefault();
-                    var lastRec = listRecords.OrderByDescending(x => x.Hour).FirstOrDefault();
-
-                    if (firstRec != null && lastRec != null)
-                    {
-                        DateTime startDate = firstRec.Hour;
-                        DateTime endDate = lastRec.Hour;
-
-                        var items = await dbCtx.DbSetStatsAggr
-                                                .Where(x => x.Hour >= startDate && x.Hour <= endDate)
-                                                .ToListAsync();
-
-                        dbCtx.DbSetStatsAggr.RemoveRange(items);
-                        await dbCtx.SaveChangesAsync();
-                    }
-                }
-
-                await dbCtx
-                            .DbSetStatsAggr
-                            .AddRangeAsync(listRecords);
-
-                // salvo!
-                answ = await dbCtx.SaveChangesAsync();
-
-                // commit transazione
-                await tx.CommitAsync();
-
-                // libero memoria del changeTracker
-                dbCtx.ChangeTracker.Clear();
-                return answ;
-            }
-            catch
-            {
-                await tx.RollbackAsync();
-                throw;
-            }
-        } 
-#endif
-
         #endregion Public Methods
 
         #region Protected Fields