def subject_add(request):
if request.method == 'POST':
form = SubjectForm(request.POST)
if form.is_valid():
form.save()
return HttpResponseRedirect(reverse('subject'))
else:
form = SubjectForm()
context = {
'form': form
}
return render(request, 'appTemp/subject/subject_add.html', context=context)
def subject_edit(request, subject_id):
if request.method == 'POST':
subject = Subject.objects.get(pk=subject_id)
form = SubjectForm(request.POST, instance=subject)
if form.is_valid():
form.save()
return HttpResponseRedirect(reverse('subject'))
else:
subject = Subject.objects.get(pk=subject_id)
fields = model_to_dict(subject)
form = SubjectForm(initial=fields, instance=subject)
context = {
'form': form,
'type': 'edit',
}
return render(request, 'appTemp/subject/subject_add.html', context)
def post(self, request, id):
subject = get_object_or_404(Subject, id=id)
subject_form = SubjectForm(request.POST, instance=subject)
if request.POST.get('delete_student'):
student_id = request.POST['delete_student']
student = Student.objects.get(id=student_id)
subject.students.remove(student)
subject_form = SubjectForm(instance=subject)
subject_students = Student.objects.filter(
subject__title=subject.title)
no_subject_students = Student.objects.filter(subject=None)
context = {
'subject_form': subject_form,
'subject': subject,
'subject_students': subject_students,
'no_subject_students': no_subject_students,
}
return render(request, 'subject_update.html', context=context)
if request.POST.get('add_student'):
student_id = request.POST['add_student']
student = Student.objects.get(id=student_id)
subject.students.add(student)
subject_form = SubjectForm(instance=subject)
subject_students = Student.objects.filter(
subject__title=subject.title)
no_subject_students = Student.objects.filter(subject=None)
context = {
'subject_form': subject_form,
'subject': subject,
'subject_students': subject_students,
'no_subject_students': no_subject_students,
}
return render(request, 'subject_update.html', context=context)
if subject_form.is_valid():
subject_form.save()
return redirect(reverse('subjects'))
def lab_3(request):
if request.method == "POST":
form = SubjectForm(request.POST)
if form.is_valid():
if form.cleaned_data['hour'] > 0:
subject = form.save(commit=False)
subject.name = form.cleaned_data['name']
subject.hour = form.cleaned_data['hour']
subject.semester = random.randint(1, 12)
subject.save()
else:
form = SubjectForm()
return render(request, 'main/lab_3.html', {'form': form})