[Grok-dev] Grok Application and content initialization

Sebastian Ware sebastian at urbantalk.se
Thu Oct 1 05:43:22 EDT 2009

I put my app init code in an init view that I run manually once after  
creating an app. That way I don't experience this problem.

Mvh Sebastian

On 1 okt 2009, at 11.31, Souheil CHELFOUH wrote:

> Hello Grokkers,
> Well, I'd appreciate ANY opinions and reactions on this.
> This is an important matter an it has to be discussed.
> *takes his club out*
> 2009/9/29 Souheil CHELFOUH <trollfot at gmail.com>:
>> Hello Grokkers !
>> As i'm currently pushing my troll hands deep into grokui's guts, a
>> couple of issues I wanted to fix now require some attention. The most
>> annoying one is about the init of a Grok Application. I'll try to
>> summarize the problem :
>> Currently, when one adds a Grok Application, indexes and local
>> utilities are created using an event subscriber plugged on
>> IObjectAddedEvent. However, if one wants to add any content inside  
>> the
>> Application during the creation process, there is a very high
>> probability that he will use the same event (the only useable and
>> reliable one) and his event subscriber has a very high probability to
>> be fired BEFORE the indexes and the local utilities ones. It means
>> that the content created by his subscriber won't be cataloged, nor
>> added to the IntIds utility, etc...
>> This situation is very annoying, since the creation of content as the
>> site creation is a fairly common usecase (yes... one of mine, you've
>> got it). I propose the creation of a new event we could call
>> ApplicationInitializedEvent, for instance, and that would be fired
>> AFTER the ObjectCreatedEvent. This would permit a more flexible
>> handling of the different application statuses => instanciated,
>> persisted, ready to be used. Obviously, this can't be plugged in
>> grokui.base, it belongs to Grok itself. What do you guys think ?
>> - Souheil 'Trollfot'
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