DD.WellWorkover.Cloud/AsbCloudInfrastructure/Startup.cs

using AsbCloudApp.Services;
using AsbCloudDb.Model;
using AsbCloudInfrastructure.Services.DetectOperations;
using AsbCloudInfrastructure.Services.Subsystems;
using AsbCloudInfrastructure.Services;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using System;
using System.Threading.Tasks;
using System.Threading;

namespace AsbCloudInfrastructure
{
    public class Startup
    {
        public static void BeforeRunHandler(IHost host)
        {
            using var scope = host.Services.CreateScope();
            var provider = scope.ServiceProvider;

            var context = provider.GetService<IAsbCloudDbContext>();
            context.Database.SetCommandTimeout(TimeSpan.FromSeconds(2 * 60));
            context.Database.Migrate();

            var wellService = provider.GetRequiredService<IWellService>();
            wellService.EnshureTimezonesIsSetAsync(CancellationToken.None).Wait();// TODO: make this background work

            var backgroundWorker = provider.GetRequiredService<Background.BackgroundWorker>();
            backgroundWorker.Push(OperationDetectionWorkFactory.MakeWork());
            backgroundWorker.Push(SubsystemOperationTimeCalcWorkFactory.MakeWork());
            backgroundWorker.Push(LimitingParameterCalcWorkFactory.MakeWork());

            Task.Delay(1_000)
                .ContinueWith(async (_) => await backgroundWorker.StartAsync(CancellationToken.None));
        }
    }
}