domBudg/back/Controllers/Extensions/DatabaseSetupExt.cs

using Infrastructure;
using Microsoft.EntityFrameworkCore;

namespace Controllers.Extensions;

public static class DatabaseSetupExtension
{
    public static void AddDbConnectionService(this IServiceCollection services, IConfiguration config)
    {
        var connectionString = config.GetConnectionString("DefaultConnection") 
            ?? throw new ArgumentException("Нет строки подключения");
        services.AddDbContext<DatabaseContext>(options => options.UseNpgsql(connectionString));
        services.AddSingleton<IDbContextFactory<DatabaseContext>, DbContextFactory>();
    }

    public static void MigrateDb(this IApplicationBuilder app)
    {
        try 
        {
            using var scope = app.ApplicationServices.CreateScope();
            var context = scope.ServiceProvider.GetRequiredService<IDbContextFactory<DatabaseContext>>();
            using var db = context.CreateDbContext();
            db.Database.Migrate();
        }
        catch (Exception ex) 
        {
            Console.WriteLine(ex.Message);
        }
    }
}