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  • Martin Rud 162 posts 586 karma points c-trib
    Mar 20, 2022 @ 16:32
    Martin Rud
    0

    How to "activate" custom code in v9?

    Hi forum,

    I am playing around with ContentService class and I am trying to get this example working (it's from https://our.umbraco.com/documentation/Reference/Notifications/ContentService-Notifications):

    using Umbraco.Cms.Core.Events;
    using Umbraco.Cms.Core.Notifications;
    
    namespace MySite
    {
        public class DontShout : INotificationHandler<ContentPublishingNotification>
        {
            public void Handle(ContentPublishingNotification notification)
            {
                foreach (var node in notification.PublishedEntities)
                {
                    if (node.ContentType.Alias.Equals("announcement"))
                    {
                        var newsArticleTitle = node.GetValue<string>("title");
                        if (newsArticleTitle.Equals(newsArticleTitle.ToUpper()))
                        {
                            notification.CancelOperation(new EventMessage("Corporate style guideline infringement",
                                "Don't put the announcement title in upper case, no need to shout!",
                                EventMessageType.Error));
                        }
                    }
                }
            }
        }
    }
    

    I placed it in a test.cs file in the root of the project, but when I build the project and spins up the site again it seems not to work: I write "HEY" in the title field, but no notification turns up (except the "Content published: and is visible on the website" message).

  • Søren Kottal 611 posts 3896 karma points MVP 4x c-trib
    Mar 20, 2022 @ 17:00
    Søren Kottal
    0

    Hi Martin

    You need to register your notification handlers in your startup too: https://our.umbraco.com/documentation/Reference/Notifications/#registering-notification-handlers-in-the-startup-class

  • Martin Rud 162 posts 586 karma points c-trib
    Mar 20, 2022 @ 20:31
    Martin Rud
    0

    Thanks - that makes sense.

    But when I do that:

    #pragma warning disable IDE0022 // Use expression body for methods
                services.AddUmbraco(_env, _config)
                    .AddBackOffice()
                    .AddWebsite()
                    .AddComposers()
                    .AddNotificationHandler<ContentPublishingNotification, DontShout>()
                    .Build();
    #pragma warning restore IDE0022 // Use expression body for methods
    

    I get this error: "The type or namespace name 'ContentPublishingNotification' could not be found"

    Should I add a using statement in Startup.cs - and what statement?

  • Søren Kottal 611 posts 3896 karma points MVP 4x c-trib
    Mar 20, 2022 @ 21:47
    Søren Kottal
    100

    If you're in visual studio, put the cursor on the line where you add the handler, and press alt+enter, then it will suggest what you need 🙂

  • Martin Rud 162 posts 586 karma points c-trib
    Mar 21, 2022 @ 04:56
    Martin Rud
    0

    Fantastic - thanks! The "Show potential fixes" link helped me! :)

    I was using VS Code (like the light weight feeling), but now I have a reason to use VS.

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