fix

MyOffice.DbContext/AppDbContext.cs

@@ -118,7 +118,8 @@ public class AppDbContext : DbContext
 
 		modelBuilder.Entity<Currency>()
 			.HasOne(x => x.CurrentRate)
-			.WithOne(x => x.Currency);
+			.WithMany(x => x.Currencies)
+			.HasForeignKey(x => x.CurrentRateId);
 	}
 
 	private void AccountCreating(ModelBuilder modelBuilder)

MyOffice.DbContext/AppDbContextFactory.cs

@@ -38,6 +38,7 @@ public class AppDbContextFactory : IDesignTimeDbContextFactory<AppDbContext>
 		}
 
 		var db = new AppDbContext(providerEnum, builder.Options);
+		db.ChangeTracker.AutoDetectChangesEnabled = false;
 		db.ChangeTracker.QueryTrackingBehavior = QueryTrackingBehavior.NoTracking;
 
 		return db;

MyOffice.DbContext/RepositoryInitializer.cs

@@ -55,6 +55,9 @@ public class RepositoryInitializer
 		dbContext.SaveChanges();
 	}
 
+	/// <summary>
+	/// Update all currency - set current rate
+	/// </summary>
 	private static void UpdateCurrentRates(AppDbContext dbContext)
 	{
 		var lastrates = dbContext.CurrencyRates
@@ -62,7 +65,7 @@ public class RepositoryInitializer
 			.GroupBy(x => new
 			{
 				x.CurrencyId,
-			}, (key, g) => g.OrderByDescending(x => x.DateTime).First())
+			}, (key, g) => g.Where(x => x.DateTime <= DateTime.UtcNow).OrderByDescending(x => x.DateTime).First())
 			.ToList();
 
 		var currencies = dbContext.Currencies.ToList();
@@ -71,8 +74,8 @@ public class RepositoryInitializer
 			var rate = lastrates.FirstOrDefault(x => x.CurrencyId == currency.Id);
 			if (rate != null)
 			{
-				//currency.CurrentRateId = rate.Id;
-				dbContext.Attach(currency);
+				currency.CurrentRateId = rate.Id;
+				dbContext.Attach(currency).State = EntityState.Modified;
 			}
 		}