sync full source from private myoffice

MyOffice.DbContext/AppDbContextFactory.cs

@@ -0,0 +1,37 @@
+namespace MyOffice.DbContext;
+
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Design;
+
+public class AppDbContextFactory : IDesignTimeDbContextFactory<AppDbContext>
+{
+	public static AppDbContextFactory Instance = new();
+
+	public AppDbContext CreateDbContext()
+	{
+		return CreateDbContext(null);
+	}
+
+	public AppDbContext CreateDbContext(string[]? args)
+	{
+		var connection = RepositoryInitializer.ConnectionString;
+		if (connection is null)
+		{
+			connection = new ConnectionConfiguration(
+				args?[0] ?? "npgsql",
+				args?[1] ?? string.Empty);
+		}
+
+		var builder = new DbContextOptionsBuilder<AppDbContext>();
+		DbContextServiceCollectionExtensions.ConfigureDbContextOptions(builder, connection);
+
+		if (!Enum.TryParse<AppDbContextProvidersEnum>(connection?.Provider ?? args?[0] ?? "", ignoreCase: true, out var providerEnum))
+			throw new InvalidOperationException($"No such provider: [{connection?.Provider}]");
+
+		var db = new AppDbContext(providerEnum, builder.Options);
+		db.ChangeTracker.AutoDetectChangesEnabled = false;
+		db.ChangeTracker.QueryTrackingBehavior = QueryTrackingBehavior.NoTracking;
+		
+		return db;
+	}
+}