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Customising the CMS /

Batch OnBeforeWrite


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3 Posts   1519 Views

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rs82uk

Community Member, 3 Posts

2 February 2010 at 12:16am

Hi there, I am using OnBeforeWrite to populate my meta data and this is working great, however can anyone tell me if there is a way that I can tie this into the batch publish in Silverstripe?
Thanks in advance

Rohan

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banal

Community Member, 901 Posts

2 February 2010 at 1:29am

Hi Rohan

I never did this, but I guess you could subclass SiteTreeDecorator, override the onBeforePublish method in your new class and use it as decorator for SiteTree. The decorator can be applied using the $extensions array or by calling DataObject::add_extension() in your _config.php.

The onBeforePublish method of the decorator will be called every time the page is being published, that probably includes batch publishing as well.

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Garrett

Community Member, 245 Posts

26 May 2011 at 2:14am

Hi,

I also need to use onBeforePublish() on a BlogEntry to populate a hidden field I need. I've added the method to BlogEntry.php thinking this would overload it from SiteTreeDecorator but I not so:

500 Error: "Uncaught Exception: Object->__call(): the method 'onbeforepublish' does not exist on 'BlogEntry'"

What do I have to do to overload this method and capture the onBeforePublish event in when BlogEntry is published? Seems odd I would have to create a new file for this.

Thanks in advance,
Garrett