Libation/Source/DataLayer/LibationContextFactory.cs

using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Diagnostics;
using Npgsql.EntityFrameworkCore.PostgreSQL.Infrastructure;
using System;

namespace DataLayer;

public class LibationContextFactory
{
	public static void ConfigureOptions(NpgsqlDbContextOptionsBuilder options)
	{
		AppContext.SetSwitch("Npgsql.EnableLegacyTimestampBehavior", true);
		options.MigrationsAssembly("DataLayer.Postgres");
		options.UseQuerySplittingBehavior(QuerySplittingBehavior.SplitQuery);
	}

	public static LibationContext CreatePostgres(string connectionString)
	{
		var options = new DbContextOptionsBuilder<LibationContext>();

		options.UseNpgsql(connectionString, ConfigureOptions);

		return new LibationContext(options.Options);
	}

	public static LibationContext CreateSqlite(string connectionString)
	{
		var options = new DbContextOptionsBuilder<LibationContext>();

		options
			.ConfigureWarnings(w => w.Ignore(RelationalEventId.PendingModelChangesWarning))
			.UseSqlite(connectionString, options =>
			{
				options.MigrationsAssembly("DataLayer.Sqlite");
				options.UseQuerySplittingBehavior(QuerySplittingBehavior.SplitQuery);
			});

		return new LibationContext(options.Options);
	}
}