updating a property using contentservicepublished - Extending Umbraco and using the API

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Dan Evans 629 posts 1016 karma points

Sep 10, 2018 @ 16:01

Updating a property using ContentService.Published

I want to update a document property after the page is published with a value from a 3rd party web service.

When I use contentService.SaveAndPublishWithStatus i end up in an infinite loop.

When I use contentService.Save(node, 0); it works fine but then the page is flagged as having unpublished changes and is greyed out to the user which is confusing for them.

How can I set a property value, publish the page and not end up in an infinite loop?

private void ContentServicePublished(IPublishingStrategy sender, PublishEventArgs<IContent> args, UmbracoHelper helper)
    {
        foreach (var node in args.PublishedEntities)
        {
                    if (node.ContentType.Alias == "mGProperty")
                    {

                        string retVal = AppLib.sendPropLinkUmbraco(node.Id, "publish");
                        node.SetValue("advertRef", retVal);
                        //contentService.SaveAndPublishWithStatus(node,0, false);
                        contentService.Save(node, 0);
                    }

        }
    }

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Alex Skrypnyk 6150 posts 24110 karma points MVP 8x admin c-trib

Sep 10, 2018 @ 19:57

2

Hi Dan

Try to use Publishing event, have a look at content service events - https://our.umbraco.com/documentation/reference/events/contentservice-events

Alex

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Dan Evans 629 posts 1016 karma points

Sep 12, 2018 @ 12:42

0

As I understand it both Publishing and Published both ignore the "raiseEvents" flag and both end up in an infinite loop so not a solution sadly.

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Frans de Jong 548 posts 1840 karma points MVP 4x c-trib

Sep 12, 2018 @ 14:39

You don't need to save the content at least when you are using ContentSerice.Saving.

for example:

 protected override void ApplicationStarted(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext)
 {
   ContentService.Saving += ContentService_Saving; // rasied before the content has been saved.
 }

 private void ContentService_Saving(IContentService contentService, SaveEventArgs<IContent> eventArgs)
 {
   foreach (IContent node in eventArgs.SavedEntities)
     {
       if (node.ContentType.Alias == Filtergroup.ModelTypeAlias)
       {
          CheckMainFilterGroup(node, eventArgs);
       }
     }
  }

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Alex Skrypnyk 6150 posts 24110 karma points MVP 8x admin c-trib

Sep 12, 2018 @ 14:53

2

Exactly, Frans, thank you so much.

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Dan Evans 629 posts 1016 karma points

Sep 12, 2018 @ 15:18
0
But i am updating a 3rd party web service. I need to do this when the document is published. I don't want to do it when a user may just be saving a draft of the document. My code needs to do 2 things. Update a 3rd party web service when the document is published, then update an Umbraco property with a returned value...
```
//update 3rd party web service:
string retVal = AppLib.sendPropLinkUmbraco(node.Id, "publish");

//take returned value and update umbraco property
 node.SetValue("advertRef", retVal);
```
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Frans de Jong 548 posts 1840 karma points MVP 4x c-trib

Sep 13, 2018 @ 06:53

100

Ok, now I understand. The infinite loop is logical in that case. You ask tell it to publish when publishing tho the event triggers again and again.

What happens if you use the publishing event? If you do a normal save there it will happen before the actual publishing. I expect that is the effect you are looking for?

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Dan Evans 629 posts 1016 karma points

Sep 13, 2018 @ 11:01

0

Yes, that's perfect! I thought I'd tried the Publishing event but clearly not! Thanks very much for your help.

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