Problems with Django URL routing

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I'm building a website, to be used in dental practices, however I'm having trouble with the URL routing. I'm wanting af URL pattern like: Denthelp/kartotek/#nameofclinic#/opretpatient. My suggestion looks like this:

urls.py:

path('kartotek/<str:kl_id>/', views.kartotek, name="kartotek"),
path('kartotek/<str:kl_id>/opretpatient/', views.opretpatient, name="opret_patient"),

Views. py:

def kartotek(request, kl_id):
kliniknavn = Klinik.objects.get(navn=kl_id)
E_patient = kliniknavn.patient_set.all()
context = { 'kliniknavn':kliniknavn, 'E_patient':E_patient}
return render(request,'DentHelp/kartotek.html', context )

def opretpatient(request, kl_id):
kliniknavn = Klinik.objects.get(navn=kl_id)

form = PatientForm()
if request.method == 'POST':
    form = PatientForm(request.POST)
    if form.is_valid():
        form.save()
        return redirect('kartotek/<str:kl_id>/')

context = {'form':form, 'kliniknavn':kliniknavn}
return render(request,'DentHelp/kartotek/<str:kl_id>/opretpatient.html', context)

When running code I get an OSError for the last line of code shown here.

Have you guys have any advise for this to work?

django-urls django python
1 Answers

You are mixing up render with redirect. render renders a template dynamically with attributes from context, where redirect redirects the user to a different view. To call render, you need to provide template name and context. For redirect, you need to provide url name and parameters (if required). Here is how you should do in your code:

def opretpatient(request, kl_id):
    kliniknavn = Klinik.objects.get(navn=kl_id)
    
    form = PatientForm()
    if request.method == 'POST':
        form = PatientForm(request.POST)
        if form.is_valid():
            form.save()
            return redirect('kartotek', kl_id)  # url name and parameter

context = {'form':form, 'kliniknavn':kliniknavn}
return render(request, 'DentHelp/kartotek/opretpatient.html', context)  # template name and context
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