Intent.AspNetCore.SignalR

This module allows you to model SignalR hubs using Intent Architect and can be done as follows:

• Install the Intent.AspNetCore.SignalR module if its not installed already.

• Open the Services designer.

• Right-click on the Services package (or a folder) to make a new SingalR Hub element.

  

• Give it a name.

  

• Change the route if necessary which is located inside Hub settings on the right-hand-side.

  

• Model some DTOs that will be used to send information to a prospective client.

  

• Add a new message to send on the hub.

  

• Select a DTO to be sent to a client.

  

• Select how to notify the client with this DTO on the Hub Publish Message Settings.

  

• Run the Software Factory.

• Inject the INotificationsHub (uses convention of I and Hub Name) into your target service or handler code's constructor like this:

  public class MyService
  {
      private readonly INotificationsHub _notificationsHub;
  
      public MyService(INotificationsHub notificationsHub)
      {
          _notificationsHub = notificationsHub;
      }
  
      // ...
  }
  

• Invoke this hub service in one of the following ways:

  // A DTO to be sent to ALL clients.
  await _hub.SendAsync(new MessageToAllDto { Message = request.Message });
  // A DTO to be sent to only a single user.
  await _hub.SendAsync(new MessageToUserDto { Message = request.Message }, SomeUserId);
  // A DTO to be sent to multiple users.
  await _hub.SendAsync(new MessageToUsersDto { Message = request.Message }, new[] { UserId1, UserId2 /*, ... */ });
  // A DTO to be sent to a single group of clients.
  await _hub.SendAsync(new MessageToGroupDto { Message = request.Message }, SomeGroupName);
  // A DTO to be sent to multiple groups of clients.
  await _hub.SendAsync(new MessageToGroupsDto { Message = request.Message }, new[] { GroupName1, GroupName2 /*, ... */ });
  

• If you need to work in the original Hub class, it can be located here:

  

  • Within your API Project's root Hub folder.