Hello again,
after some trying and not coming to a successful end I might need a hint or
two with the following construction.
Assume a pilots flight log: Each flight can have several legs, and a
purpose. So basically the model looks like this:
Mission:
Pilot
Purpose
...
Leg:
Mission: ForeignKey('mission')
Departure
Target
Time
The relationship is Mission (1) --> (*) Leg (one to many). The legs are
REQUIRED for the Mission to be complete.
Now I am trying to design a view which presents an input for the Mission AND
the leg part, so when submitting you create a Mission including its legs.
There are also several restrictions, one of them being that a pilot can only
log his own Missions. For this reason I do not present a "Pilot" entry
field, and intend to fill in the Pilot later (it's of course a registered
user, so I am following the procedure described in the Django docs -
save(commit=False), update the field value).
But this does not work. :/
The view is roughly this code:
mission = MissionForm() # a modelform
LegFormSet = inlineformset_factory(Mission, Leg, form=LegForm, extra=1,
can_delete=False)
legforms = LegFormSet(prefix="legformset")
render_to_response("...", { ... }, context_instance=...)
The View seems to work all right, but the processing does not. The
processing code is roughly:
mission = MissionForm(request.POST).save(commit=False)
# it seems to abort here with the error "The Mission could not be
created because the data didn't validate"
legs =[f.save(commit=False) for f in LegFormSet(request.POST,
prefix="legformset")]
Are there any best practices when doing such kind of thing? Am I doing it
wrong?
thanks in advance for any help & greetings,
Axel.
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