Hello,
I have a widget which already has its relevant validators, but in my
controller I'd like to invalidate it if it's trying to add an existing record.
The following code snipped partially works and seems like an ugly solution to
me:
> @expose('animador.web.templates.websites.admin.add')
> def add(self, **kwargs):
> if pylons.tmpl_context.form_errors:
> flash(_("Please correct the form"))
> pylons.c.add_site_form = widgets.AddWebsiteForm("add_site",
> action="add_website")
> return dict()
>
> @expose('animador.web.templates.websites.admin.add')
> @validate(form=widgets.AddWebsiteForm(), error_handler=add)
> def add_website(self, website_alias):
> if Website.query().get(website_alias):
> error_msg = _(u'The web site alias "%s" is already in use') % \
> website_alias
> pylons.tmpl_context.form_errors['website_alias'] = error_msg
> return self.add()
> new_site = Website()
> new_site.website_alias = website_alias
> new_site.created = datetime.now()
> DBSession.save(new_site)
> DBSession.commit()
> flash(_('The "%s" web site has been added!') % website_alias)
> return dict()
I want add_website() to reject existing websites, which is done with the code
above, but the error message I inserted in pylons.tmpl_context.form_errors is
not displayed (not even if I redirect() to the add() action, instead of
returning a call to it).
How can I do this the right way?
Thanks in advance.
--
Gustavo Narea.
General Secretary. GNU/Linux Matters.
http://www.gnulinuxmatters.org/
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