> 1) Is there any other way to access the flash or session data from
> a tag?
It can be done, but it requires a bit of patching. You need to put the
request and response objects in the globals for the tag to access, and
bear in mind that you need to reenable to sessions for sitecontroller:
module SiteControllerExt
def self.included(base)
base.class_eval {
# This reenables the session for the SiteController -
session :on does not work!
session :disabled => false
}
end
end
On 11/02/2008, at 6:53, J Aaron Farr wrote:
>
> The scenerio is this:
>
> The Comments extension has a controller that handles the comment form
> and then redirects the request back to the originating Page (with the
> comment now saved). The form requires an email address, but at the
> moment, when no email address is supplied, one just gets the classic
> ugly Rails error page (with stack).
>
> The trouble is that because of the redirect, the CommentController
> cannot use the typical Rails validation code to display validation
> error messages. My thought was to try and fix this by stuffing the
> error message into the controller `flash` or the session. But there
> doesn't appear to be any way to access flash from inside a tag. It's
> not part of the tag.globals or tag.locals. Fixing this would require
> patching the SiteController.
>
> So my questions are:
>
> 1) Is there any other way to access the flash or session data from
> a tag?
>
> 2) Is there a better way to send back form validation messages to a
> Page? (*)
>
> If not, I'll send a patch to the SiteController to bind the flash to a
> the tag object.
>
> (*) -- The Mailer extension gets around this problem by subclassing
> the Page object, but that seems like a less than ideal approach since
> at the moment, any type of Page can have comments, whereas subclassing
> removes that option.
>
> Thanks!
>
> --
> J Aaron Farr jadetower.com [US] +1 724-964-4515
> 馮傑仁 cubiclemuses.com [HK] +852 8123-7905
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