Line data    Source code

       1             : #region Copyright
       2             : // // -----------------------------------------------------------------------
       3             : // // <copyright company="Chinchilla Software Limited">
       4             : // //   Copyright Chinchilla Software Limited. All rights reserved.
       5             : // // </copyright>
       6             : // // -----------------------------------------------------------------------
       7             : #endregion
       8             : 
       9             : using System;
      10             : using System.Web.Http;
      11             : using System.Web.Routing;
      12             : using Cqrs.Bus;
      13             : using Cqrs.Configuration;
      14             : using Cqrs.Events;
      15             : using Cqrs.Hosts;
      16             : using Cqrs.WebApi.Configuration;
      17             : using Cqrs.WebApi.Events.Handlers;
      18             : 
      19             : namespace Cqrs.WebApi
      20             : {
      21             :         /// <summary>
      22             :         /// A <see cref="CqrsHttpApplication"/> that allows you to specify how <see cref="IEvent{TAuthenticationToken}">events</see> are sent to SignalR.
      23             :         /// </summary>
      24             :         /// <typeparam name="TAuthenticationToken">The <see cref="Type"/> of the authentication token.</typeparam>
      25             :         /// <typeparam name="TEventToHubProxy">The <see cref="Type"/> of the proxy class that specifies how <see cref="IEvent{TAuthenticationToken}">events</see> are sent to SignalR.</typeparam>
      26             :         public abstract class CqrsHttpApplicationWithSignalR<TAuthenticationToken, TEventToHubProxy>
      27             :                 : CqrsHttpApplication<TAuthenticationToken>
      28             :                 where TEventToHubProxy : EventToHubProxy<TAuthenticationToken>
      29             :         {
      30             :                 /// <summary>
      31             :                 /// Calls <see cref="CqrsHttpApplication.SetBuses"/>, <see cref="RegisterDefaultRoutes"/>, <see cref="CqrsHttpApplication.RegisterServiceParameterResolver"/>,
      32             :                 /// <see cref="ConfigureMvcOrWebApi"/>, <see cref="CqrsHttpApplication.RegisterCommandAndEventHandlers"/>, <see cref="RegisterSignalR"/>, 
      33             :                 /// <see cref="CqrsHttpApplication.StartBuses"/> and finally <see cref="CqrsHttpApplication.LogApplicationStarted"/>.
      34             :                 /// </summary>
      35           2 :                 protected override void Application_Start(object sender, EventArgs e)
      36             :                 {
      37             :                         SetBuses();
      38             : 
      39             :                         RegisterDefaultRoutes();
      40             :                         RegisterServiceParameterResolver();
      41             : 
      42             :                         ConfigureMvcOrWebApi();
      43             : 
      44             :                         BusRegistrar registrar = RegisterCommandAndEventHandlers();
      45             :                         RegisterSignalR(registrar);
      46             : 
      47             :                         StartBuses();
      48             : 
      49             :                         LogApplicationStarted();
      50             :                 }
      51             : 
      52             :                 /// <summary>
      53             :                 /// Register SignalR to the path /signalr
      54             :                 /// </summary>
      55           2 :                 protected virtual void RegisterSignalR(BusRegistrar registrar)
      56             :                 {
      57             :                         RouteTable.Routes.MapOwinPath("/signalr");
      58             :                         registrar.Register(typeof(TEventToHubProxy));
      59             :                 }
      60             : 
      61             :                 /// <summary>
      62             :                 /// Register default offered routes and controllers such as the Java-script Client
      63             :                 /// </summary>
      64           2 :                 protected virtual void RegisterDefaultRoutes()
      65             :                 {
      66             :                         GlobalConfiguration.Configure(WebApiConfig.Register);
      67             :                 }
      68             : 
      69             :                 /// <summary>
      70             :                 /// Override to configure MVC or WebAPI components such as AreaRegistration.RegisterAllAreas();
      71             :                 /// </summary>
      72           2 :                 protected virtual void ConfigureMvcOrWebApi()
      73             :                 {
      74             :                 }
      75             :         }
      76             : 
      77             :         /// <summary>
      78             :         /// A <see cref="CqrsHttpApplication"/> that uses the <see cref="GlobalEventToHubProxy{TAuthenticationToken}"/> to automatically proxy all <see cref="IEvent{TAuthenticationToken}">events</see> to SignalR
      79             :         /// </summary>
      80             :         /// <typeparam name="TAuthenticationToken">The <see cref="Type"/> of the authentication token.</typeparam>
      81             :         public abstract class CqrsHttpApplicationWithSignalR<TAuthenticationToken>
      82             :                 : CqrsHttpApplicationWithSignalR<TAuthenticationToken, GlobalEventToHubProxy<TAuthenticationToken>>
      83           2 :         {
      84             :                 #region Overrides of CqrsHttpApplicationWithSignalR<TAuthenticationToken, TEventToHubProxy>
      85             : 
      86             :                 /// <summary>
      87             :                 /// Register SignalR and auto wire-up <see cref="GlobalEventToHubProxy{TAuthenticationToken}"/> to automatically proxy all <see cref="IEvent{TAuthenticationToken}">events</see> to SignalR.
      88             :                 /// </summary>
      89           2 :                 protected override void RegisterSignalR(BusRegistrar registrar)
      90             :                 {
      91             :                         base.RegisterSignalR(registrar);
      92             : 
      93             :                         var eventHandlerRegistrar = DependencyResolver.Current.Resolve<IEventHandlerRegistrar>();
      94             :                         var proxy = DependencyResolver.Current.Resolve<GlobalEventToHubProxy<TAuthenticationToken>>();
      95             :                         eventHandlerRegistrar.RegisterGlobalEventHandler<IEvent<TAuthenticationToken>>(proxy.Handle, false);
      96             :                 }
      97             : 
      98             :                 #endregion
      99             :         }
     100             : }