foerderbarometer/input/views.py

from django.shortcuts import render
from django.forms import modelformset_factory
from django.http import HttpResponse
from formtools.wizard.views import CookieWizardView

from .forms import ProjectForm, VolunteerForm, LibraryForm, IFGForm
from .models import Project

def intern(request):
    #    return HttpResponse("Hello, world. You're at the input form")
    # ProjectFormSet = modelformset_factory(Project, fields='__all__')
    if request.method == 'POST':
        print('POST detected')
        form = ProjectForm(request.POST, request.FILES)
        if form.is_valid():
            print('form valid')
            form.save()

            # do something.
        else:
            print("form not valid")
    else:
        print
        form = ProjectForm()
    return render(request, 'input/project.html', {'form': form})

def done(request):
    return HttpResponse("Your data is save now.")

def extern(request):
    return HttpResponse("The world out there is large and dangerous")

class ExternView(CookieWizardView):
    template_name = "input/extern.html"
    form_list = [VolunteerForm, LibraryForm]

    def process_step(self, form):
        if form.cleaned_data.get('choice') == 'IFG':
            print ('IFG detected!')
            self.form_list = [VolunteerForm, IFGForm]
        print('leaving process_step()')
        return self.get_form_step_data(form)

    def done(self, form_list, **kwargs):
        print('ExternView.done() reached')
        # gather data from all forms
        data = {}
        for form in form_list:
            data = {**data, **form.cleaned_data}
        print(data)

        # write data to database
        form = form.save(commit=False)
        # this is ugly code. how can we copy this without explicit writing?
        # i found no way to access the ModelForm.Meta.exclude-array
        form.realname = data['realname']
        form.username = data['username']
        form.email = data['email']
        form.save()

        return done(self.request)
        # return render(self.request, 'saved', {
        #     'form_data': [form.cleaned_data for form in form_list],
        # })