Django - passing data and redirecting between views - django

Question

I'm making a project related to quizzes online and I'm stuck at the moment where I want to pass data from one view to another. My goal is to get a quiz name from the user in the form in one view and pass it to another view, after submitting a form.
I've made 2 views:
add() - which has the first form with the name for the quiz and redirects to add_questions with the name of the quiz
add_questions() - which captures the name of the submitted quiz and displays another form for the questions
views.py
#login_required
def add(request):
if request.method == 'POST':
QuizForm = QuizNameForm(request.POST)
if QuizForm.is_valid():
# create a quiz
new_quiz = QuizForm.save(commit=False)
new_quiz.owner = request.user
new_quiz.save()
request.session['quiz_id'] = new_quiz.id
print("Quiz saved, now I'm redirecting to add_questions")
return redirect(add_questions)
#return HttpResponseRedirect('add_questions') --- didn't work
#return render(request, 'quiz/add_questions.html', {}) --- didn't work
else:
QuizForm = QuizNameForm()
return render(request, 'quiz/add.html', {'quizForm': QuizForm})
#login_required
def add_questions(request):
print("Add questions here! I've captured a quiz named: {}".format(quiz.name))
quiz = DB_questions.objects.get(id=request.session['quiz_id'])
if request.method == 'POST':
print("ok, post method - cool")
#create a question/answer forms
else:
print("Got into else in add_questions view")
Question_form = QuestionForm()
return render(request, 'quiz/add_questions.html', {'quiz_name': quiz.name, 'question_form': Question_form })
My template for adding quiz name - templates/add.html
<div class="container">
<div class="row">
<div class="col-md-4"></div>
<div class="col-md-4">
<!-- Get name of the quiz-->
<form action="{% url 'add' %}" method="post">
{% csrf_token %}
{{ quizForm.name }}
<input class="btn btn-success w-100" type="submit" value="Proceed">
</form>
</div>
<div class="col-md-4"></div>
</div>
</div>
Template to display the name and question form - templates/add_question.html
<div class="row">
<div class="col-md-5"></div>
<h2 class="select_title"> Quiz: {{ quiz_name }}</h2>
<div class="col-md-5"></div>
</div>
<form action="{% url 'add_questions' %}" method="post">
{% csrf_token %}
{{ question_form.content }}
</form>
And finally the urls.py
urlpatterns = [
# ...
url(r'^add', views.add, name='add'),
url(r'^add_questions', views.add_questions, name='add_questions'),
]
The main problem is that after submitting the quiz name the system adds a quiz into database but doesn't redirect me to "add_questions". It still stays in "add" view.
Also I'm not sure if that's the proper way of how I should implement it. I've found many different ways of how I could do it but none of those worked out for me. (Solutions like HttpResponseRedirect(), redirect(), render() etc.)
To sum up:
1) What's the best way, in this case, to transfer data between views after submiting it in the form?
2) How should I redirect to another view so that it would display proper template?

Answer 1

As far as I know, this should work fine for you:
views.py:
#login_required
def add(request):
if request.method == 'POST':
QuizForm = QuizNameForm(request.POST)
if QuizForm.is_valid():
# create a quiz
new_quiz = QuizForm.save(commit=False)
new_quiz.owner = request.user
new_quiz.save()
print("Quiz saved, now I'm redirecting to add_questions")
return render(request, 'quiz/add_questions.html', {'quiz_id': new_quiz.id})
else:
QuizForm = QuizNameForm()
return render(request, 'quiz/add.html', {'quizForm': QuizForm})
#login_required
def add_questions(request):
quiz = DB_questions.objects.get(id=request['quiz_id'])
if request.method == 'POST':
print("ok, post method - cool")
#create a question/answer forms
else:
print("Got into else in add_questions view")
Question_form = QuestionForm()
return render(request, 'quiz/add_questions.html', {'quiz_name': quiz.name, 'question_form': Question_form })
This way you can both render your template and also send the quiz_id through the request object (not session).