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dotnet add package Hangfire
dotnet add package Hangfire.PostgreSql
dotnet add package Hangfire.Console
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Funq;
using Hangfire;
using Hangfire.Console;
using Hangfire.Dashboard;
using Hangfire.PostgreSql;
using Hangfire.Server;
using Microsoft.AspNetCore.Builder;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using ServiceStack;
namespace MyApp
{
[Priority(-1)]
public class ConfigureHangfirePostgreSql : IConfigureServices, IConfigureApp
{
IConfiguration Configuration { get; }
public ConfigureHangfirePostgreSql(IConfiguration configuration) => Configuration = configuration;
public void Configure(IServiceCollection services)
{
var conn = Configuration["database:connectionString"];
services.AddHangfire((isp, config) =>
{
config.UsePostgreSqlStorage(conn, new PostgreSqlStorageOptions
{
InvisibilityTimeout = TimeSpan.FromDays(1)
});
config.UseConsole();
});
//all cron services must be registered in IoC
services.AddSingleton<TestCron>();
}
public void Configure(IApplicationBuilder app)
{
//needs to be called before servicestack or route will be unreachable
app.UseHangfireDashboard("/hangfire", new DashboardOptions
{
Authorization = new[] { new HangFireAuthorizationFilter() }
});
}
}
//priority 100 so it runs after all services are registered
[Priority(100)]
public class ConfigureHangfirePostgreSqlPost : IConfigureApp
{
public void Configure(IApplicationBuilder app)
{
//Join IoC so hangfire can autowire cronjob classes
Hangfire.GlobalConfiguration.Configuration.UseActivator(new ContainerJobActivator(app.ApplicationServices));
//register crons
var cronStatus = Environment.GetEnvironmentVariable("DISABLE_CRON");
if (string.IsNullOrWhiteSpace(cronStatus) || cronStatus.ToLower() == "false" || cronStatus == "0")
{
RecurringJob.AddOrUpdate<TestCron>(x => x.Start(null), "* * * * *");
//add more here...
}
app.UseHangfireServer();
}
}
/// <summary>
/// Check user session for admin role and grant access if found. If development mode always grant access
/// </summary>
public class HangFireAuthorizationFilter : IDashboardAuthorizationFilter
{
public bool Authorize(DashboardContext context)
{
if (Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") == "Development")
{
return true;
}
var coreContext = context.GetHttpContext();
var httpContext = coreContext.ToRequest();
var session = httpContext.GetSession();
if (session != null && session.IsAuthenticated && session.Roles != null && session.Roles.Contains("Admin"))
{
return true;
}
return false;
}
}
/// <summary>
/// Gives services from IoC to Hangfire activator
/// </summary>
public class ContainerJobActivator : JobActivator
{
private IServiceProvider _container;
public ContainerJobActivator(IServiceProvider container)
{
_container = container;
}
public override object ActivateJob(Type type)
{
return _container.GetService(type);
}
}
/// <summary>
/// Simple example of cron with output console and progress bar
/// </summary>
public class TestCron
{
public void Start(PerformContext context)
{
context.WriteLine("Starting");
// create progress bar
var progress = context.WriteProgressBar();
progress.SetValue(33);
Thread.Sleep(5000);
progress.SetValue(77);
Thread.Sleep(5000);
progress.SetValue(100);
Thread.Sleep(5000);
context.WriteLine("Finished");
}
}
}
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