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https://github.com/Southampton-RSG/breccia-mapper.git
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78 lines
2.3 KiB
Python
78 lines
2.3 KiB
Python
"""
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Views for displaying networks of :class:`People` and :class:`Relationship`s.
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"""
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from django.contrib.auth.mixins import LoginRequiredMixin
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from django.db.models import Q
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from django.forms import ValidationError
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from django.utils import timezone
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from django.views.generic import FormView
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from people import forms, models, serializers
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class NetworkView(LoginRequiredMixin, FormView):
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"""
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View to display relationship network.
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"""
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template_name = 'people/network.html'
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form_class = forms.NetworkFilterForm
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def get_form_kwargs(self):
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"""
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Add GET params to form data.
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"""
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kwargs = super().get_form_kwargs()
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if self.request.method == 'GET':
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if 'data' in kwargs:
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kwargs['data'].update(self.request.GET)
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else:
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kwargs['data'] = self.request.GET
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return kwargs
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def get_context_data(self, **kwargs):
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"""
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Add filtered QuerySets of :class:`Person` and :class:`Relationship` to the context.
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"""
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context = super().get_context_data(**kwargs)
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form: forms.NetworkFilterForm = context['form']
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if not form.is_valid():
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raise ValidationError
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at_time = timezone.now()
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relationship_set = models.Relationship.objects.all()
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# Filter answers to relationship questions
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for field, values in form.cleaned_data.items():
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if field.startswith('question_') and values:
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relationship_set = relationship_set.filter(
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# Time filters must be here
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Q(answer_sets__replaced_timestamp__gt=at_time) | Q(answer_sets__replaced_timestamp__isnull=True),
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answer_sets__timestamp__lte=at_time,
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answer_sets__question_answers__in=values
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)
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context['person_set'] = serializers.PersonSerializer(
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models.Person.objects.all(),
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many=True
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).data
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context['relationship_set'] = serializers.RelationshipSerializer(
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relationship_set.distinct(),
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many=True
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).data
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return context
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def form_valid(self, form):
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try:
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return self.render_to_response(self.get_context_data())
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except ValidationError:
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return self.form_invalid(form)
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