Re: Can I POST edit form to detail view, and redirect back if invalid?

I can definitely write my code the normal way. I just wanted to see if
it was possible; perhaps some way I hadn't thought of. I just liked
the idea of all CRUD operations being done on the object URI.

On Mar 30, 3:29 am, Mjumbe Poe <mju...@codeforamerica.org> wrote:
> You're correct: HTTP does not allow you to, say, send POST data along
> in a 30X (redirect) response [1].  You can redisplay the form at your
> object's URL, but in order to actually do an HTTP redirect back to the
> form URL, you'd have to pass the form data along in the URL query
> string or store it on the session or something.  The easiest thing to
> do in most cases is to POST to the /edit/ URL and redirect to the
> detail page (or somewhere else) if valid.  This is what the [Create|
> Update]View classes do.  Could you provide a little more context on
> why this is infeasible in your code?  Maybe an snippet?
>
> - Mjumbe
>
> [1]http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3
>
> On Mar 29, 7:49 am, Hemebond <hemeb...@gmail.com> wrote:
>
>
>
>
>
>
>
> > I don't see anything on there that deals with transferring an
> > redirecting with POST data. Is there a particular section that covers
> > this?
>
> > To be honest, I'm not sure if HTTP really supports what I'm trying to
> > do, let alone Django.
>
> > On Mar 30, 12:32 am, Joel Goldstick <joel.goldst...@gmail.com> wrote:
>
> > > On Thu, Mar 29, 2012 at 7:13 AM, Hemebond <hemeb...@gmail.com> wrote:
> > > > What can I pass back to the edit form view that already contains the
> > > > values and errors and how? Posting to the edit form view would work
> > > > but that would re-process the form.
>
> > > > On Mar 30, 12:06 am, Joel Goldstick <joel.goldst...@gmail.com> wrote:
> > > >> On Thu, Mar 29, 2012 at 6:33 AM, Hemebond <hemeb...@gmail.com> wrote:
> > > >> > I want to use the URL of an object (a detail view) as the destination
> > > >> > for CRUD operations. I want it to be able to accept GET, POST and
> > > >> > DELETE requests.
>
> > > >> > As part of this, I want the edit form (retrieved by appending /edit/
> > > >> > to the object URL) to submit to the object URL. If the form is
> > > >> > invalid, I then need to redirect back to the edit form, and display
> > > >> > the errors.
>
> > > >> > Is this possible? Is there a way to redirect back to the edit form
> > > >> > with the new values and the errors that occurred during processing?
>
> > > >> yes
>
> > > You need to look at form handling in django.  Here is a good starting
> > > point:http://www.djangobook.com/en/2.0/chapter07/
>
> > > Then look at model forms.
>
> > > --
> > > Joel Goldstick

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