[TYPO3-extbase-kickstarter] blog_example: why (and how) reciprocal refs between blog and post repo's?

[GallupCurrent Support]

asd extension: lol... OK, that asd ext is one crazy, self-referencing
example, I could not see how it had anything to do with the kickstarter
either ... but it did show me that what I am looking for is simple TCA
configuration.

blog_example: I still don't understand why the post repository in the
blog_example has a blog reference: it gets populated when the post is made,
but why? I assume so that when a post search is made, the search can return
the posts by blog, or at least reference the owning blog without looking at
the blog repo at all (post repo: aggregate root, implies some higher rule
for normalization that is DDD dependent or something?)... but how is this
set up in the kickstarter? Or is it just not possible to do this in the
kickstarter alone?

Anyway, the kickstarter just added an additional simple TCA def for the
trail in the trailSystem thus:

                'trail' => array(
                        'exclude' => 0,
                        'label' =>
'LLL:EXT:trailsystem/Resources/Private/Language/locallang_db.xml:tx_trailsystem_domain_model_trailsystem.trail',
                        'config' => array(
                                'type' => 'select',
[...cut...]

                'trail' => array(
                        'config' => array(
                                'type' => 'passthrough',
                        ),
                ),
...just cut the above 5 lines, and FCE's work fine. Not sure why the
kickstarter added this.





On Wed, Apr 6, 2011 at 10:50 PM, GallupCurrent Support <
tech at gallupcurrent.com> wrote:

> I see that this question (more or less) was asked in January[1], and that
> most of the answer is in the forge as user story with a partial proposed
> solution [2].
>
> [1]
>
> http://lists.typo3.org/pipermail/typo3-project-extbase-kickstarter/2011-January/000194.html
> [2] http://forge.typo3.org/issues/12184
>
> On Wed, Apr 6, 2011 at 3:32 PM, GallupCurrent Support <
> tech at gallupcurrent.com> wrote:
>
> > In the Blog example there is a reference in the blog table to the posts
> > table... which seems natural, but then there is also a reference to the
> > blog
> > table in the posts table... which seems odd to me. When will a post ever
> > appear in more than one blog? Not only that, but how were the
> repositories
> > set up for this... I don't think the kickstarter can handle it.
> >
> > I came across this when attempting to create just such a structure in the
> > kickstarter[1]. I have trails and trail systems... in some cases trails
> can
> > be in two trail systems, thus there might be a reason for a trails
> > reference
> > (foreign key) in the trailSystem table and vise versa. I attempted to do
> > this in the kickstarter, but it does not seem to have set up everything
> > properly, and I am not sure where to fix the model.
> >
> > Any insight?
> >
> > [1] http://www.livegallup.com/fileadmin/img/kick-fce-illus.png
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> >
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