how to addalter routesenpoints without changing startupcs

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Kevin Jump 2348 posts 14896 karma points MVP 8x c-trib

Apr 23, 2021 @ 12:24
0

How to add/alter routes/enpoints without changing startup.cs
Hi,

I have a package that uses SignalR to offer nice progress UI.

porting this to Umbraco 9 - i have seen that you need to register the endpoint for signalR (as perview does here https://github.com/umbraco/Umbraco-CMS/blob/netcore/dev/src/Umbraco.Web.BackOffice/Extensions/UmbracoApplicationBuilder.Preview.cs)

However enpoints are added on the config element in startup.cs - which i don't think you can hook into other than in the code?
```
app.UseUmbraco()
    .WithBackOffice()
    .WithWebsite()
    .WithEndpoints(u =>
    {
        u.UseInstallerEndpoints();
        u.UseBackOfficeEndpoints();
        u.UseWebsiteEndpoints();
    });
```
so progromatically i can add :
```
    u.UseuSyncEndpoints();
```
but i want to be able to also add this route without requiring the user to alter the startup.cs is that possible? can it be done?
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Bjarke Berg 29 posts 265 karma points hq

Apr 23, 2021 @ 12:58

Hi Kevin..

I haven't tested it out, but you should be able to do something like this from the composer:

builder.Services.Configure<UmbracoPipelineOptions>(options =>
            {
                options.AddFilter(new UmbracoPipelineFilter(
                    "Usync", 
                    applicationBuilder => {},
                    applicationBuilder => {},
                    applicationBuilder =>
                    {
                        // Add your endpoints here..
                    }
                    ));
            });

Let me know if it works (Note this syntax is from the latest nightly, maybe the syntax is different in latest alpha )

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Kevin Jump 2348 posts 14896 karma points MVP 8x c-trib

Apr 23, 2021 @ 13:52
0
thanks,

yeah that has worked. 👍 https://github.com/KevinJump/uSync8/blob/core/main/uSync.BackOffice/uSyncBackOfficeBuilderExtensions.cs#L85

I have a secondary issue in that runtime level doesn't appear to then be set when adding the route (i copied this from how the preview hub works.

so i can't do this :
```
switch (_runtimeState.Level)
{
   case Umbraco.Cms.Core.RuntimeLevel.Run:
       endpoints.MapHub<SyncHub>(GetuSyncHubRoute());
       break;
}
```
https://github.com/KevinJump/uSync8/blob/de4aeb02a41335738c8a8c1af165ad50f350c157/uSync.BackOffice/Hubs/uSyncHubRoutes.cs#L28

However that might not matter in this case - the signalR hub doesn't do anything so adding it when the site isn't setup might be ok (i will check that).
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Kevin Jump 2348 posts 14896 karma points MVP 8x c-trib

Apr 23, 2021 @ 13:56
0
Actually, that last bit was me.

swapping to getting the service via the applicationBuilder not the passed in service .

e.g
```
var hubRoutes = applicationBuilder.ApplicationServices.GetRequiredService<uSyncHubRoutes>();       
```
means the runtime is set. (guess its an order of execution thing)
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How to add/alter routes/enpoints without changing startup.cs