Hi Daniel,
You need to then add the ID as a hidden input for the form. This way
the value of the ID is included in the posted data, and any validation
attempts.
After a successful form entry the controllers action would perform a
redirect to insert the ID back into the URL.
function post()
{
if(!empty($this->data))
{
....
$this->redirect('/somewhere?id='.$this->data['Model']['id']);
}
}
On Nov 25, 8:27 am, Daniel Süpke <[EMAIL PROTECTED]> wrote:
> Hi Mathew,
>
> thanks for the help (and sorry for the delay in answering). That's a
> good idea and I followed your advise, but still one problem persists:
> If, in step 3 there is something wrong in validation, cake will return
> to the form again. But now, the ID is no longer in the URL, so there is
> an error about that.
>
> I think, passing a parameter along the URL is a pretty common task,
> isn't it? There should be more support for that in cake. For example, if
> I add it to the form action (helper), cake gets all confused about it.
> Yet, that would be the simplest solution.
>
> Best Regards,
> Daniel Süpke
>
> Mathew wrote:
> > Hi Daniel,
>
> > You want to include the ID in the URL so that it persists when
> > bookmarked, and using a session doesn't provide that feature.
>
> > I understand what your trying to do, but the form action does not
> > require the ID to be included, because posted form requests first
> > require an HTML page to display the form.
>
> > Let me example.
>
> > 1) User follows a link with the ID.
> > 2) HTML with the form is shown in the browser, with the ID in the URL.
> > 3) User enters form data, and submits the form.
> > 4) A response from the server is shown to the user.
>
> > In step #2 when the form is displayed. You should take the ID from the
> > URL and add it as a hidden field in the form.
> > In step #3 the action that handles the form request does not need the
> > ID in the URL because it will be in the posted data.
> > In step #4 as part of the response you redirect the user to a URL that
> > contains the ID.
>
> > Also.
>
> > I would create a simple Helper object for your views. Not one that
> > creates an HTML link, because Cake comes with Form and Html helpers to
> > do that. All you need to do is modified a Router array to include the
> > ID
>
> > for example;
>
> > $html->link('Somewhere',$myhelper-
> >> id(array('controller'=>'documents','action'=>'show')));
>
> > You create a helper called Myhelper, and add a function called "id"
> > that injects your ID from the URL into the array. Now you can call all
> > various helper objects that require routed links.
>
> > I think you can inject the ID as a get request like this (I can't
> > remember how to handle gets with params, but I think its like this)
>
> > function id( $arr )
> > {
> > $arr['?'] = array('id'=>$this->params['id']);
> > }
>
> > That should provide Html that looks like this in your view
>
> > <a href="/documents/show?id=#####">Somewhere</a>
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