Hello everyone,
I am unable to make it worked. I have two models "Course" and "Outcome". I
want to make OutcomeForm form as inline form in CourseForm.
My models.py file looks as below:
class Outcome(models.Model):# some fields
course_outcome = models.ForeignKey(
"course.Course", on_delete=models.SET_NULL, blank=True, null=True)
class Course(models.Model):# some fields
course_outcome = models.ManyToManyField(
Outcome, verbose_name=COURSE_SINGULAR + " outcome", blank=True)
And inline formset is created as:
OutcomeFormSet = inlineformset_factory(
parent_model=Course,
model=Outcome,
form=OutcomeForm,
extra=1,
can_delete=True,)
And views.py file is:
class CourseCreateForm(CreateView):
model = Course
template_name = "course/course_form.html"
form_class = CourseForm
success_url = reverse_lazy("course")
def get_context_data(self, **kwargs):
context = super(CourseCreateForm, self).get_context_data(**kwargs)
if self.request.POST:
context["outcomes"] = OutcomeFormSet(self.request.POST)
else:
context["outcomes"] = OutcomeFormSet()
return context
def form_valid(self, form, **kwargs):
super(CourseCreateForm, self).get_context_data(**kwargs)
context = self.get_context_data()
outcomes = context["outcomes"]
with transaction.atomic():
if outcomes.is_valid():
self.object = form.save()
outcomes.instance = self.object
outcomes.save()
form.instance.course_outcome.set(
Outcome.objects.filter(course_outcome=self.object)
)
form.save()
return super().form_valid(form)
The problem is:
All data of model Outcome and Course is saved except m2m field of Course
model.
I am stuck at this point. Any pointer in right direction will be highly
useful.
Thanks in advance,
--
Suraj
https://hacksj4u.wordpress.com
https://github.com/SurajDadral
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