mirror of
https://github.com/Southampton-RSG/breccia-mapper.git
synced 2026-03-03 19:37:06 +00:00
95 lines
3.1 KiB
Python
95 lines
3.1 KiB
Python
"""
|
|
Views for displaying networks of :class:`People` and :class:`Relationship`s.
|
|
"""
|
|
|
|
import logging
|
|
|
|
from django.contrib.auth.mixins import LoginRequiredMixin
|
|
from django.db.models import Q
|
|
from django.forms import ValidationError
|
|
from django.utils import timezone
|
|
from django.views.generic import FormView
|
|
|
|
from people import forms, models, serializers
|
|
|
|
logger = logging.getLogger(__name__) # pylint: disable=invalid-name
|
|
|
|
|
|
class NetworkView(LoginRequiredMixin, FormView):
|
|
"""
|
|
View to display relationship network.
|
|
"""
|
|
template_name = 'people/network.html'
|
|
form_class = forms.NetworkFilterForm
|
|
|
|
def get_form_kwargs(self):
|
|
"""
|
|
Add GET params to form data.
|
|
"""
|
|
kwargs = super().get_form_kwargs()
|
|
|
|
if self.request.method == 'GET':
|
|
if 'data' in kwargs:
|
|
kwargs['data'].update(self.request.GET)
|
|
|
|
else:
|
|
kwargs['data'] = self.request.GET
|
|
|
|
return kwargs
|
|
|
|
def get_context_data(self, **kwargs):
|
|
"""
|
|
Add filtered QuerySets of :class:`Person` and :class:`Relationship` to the context.
|
|
"""
|
|
context = super().get_context_data(**kwargs)
|
|
form: forms.NetworkFilterForm = context['form']
|
|
if not form.is_valid():
|
|
return context
|
|
|
|
at_date = form.cleaned_data['date']
|
|
if not at_date:
|
|
at_date = timezone.now().date()
|
|
|
|
# Filter on timestamp__date doesn't seem to work on MySQL
|
|
# To compare datetimes we need at_date to be midnight at
|
|
# the *end* of the day in question - so add one day here
|
|
at_date += timezone.timedelta(days=1)
|
|
|
|
relationship_answerset_set = models.RelationshipAnswerSet.objects.filter(
|
|
Q(replaced_timestamp__gte=at_date)
|
|
| Q(replaced_timestamp__isnull=True),
|
|
timestamp__lte=at_date)
|
|
|
|
logger.info('Found %d relationship answer sets for %s',
|
|
relationship_answerset_set.count(), at_date)
|
|
|
|
# Filter answers to relationship questions
|
|
for field, values in form.cleaned_data.items():
|
|
if field.startswith('question_') and values:
|
|
relationship_answerset_set = relationship_answerset_set.filter(
|
|
question_answers__in=values)
|
|
|
|
logger.info('Found %d relationship answer sets matching filters',
|
|
relationship_answerset_set.count())
|
|
|
|
context['person_set'] = serializers.PersonSerializer(
|
|
models.Person.objects.all(), many=True).data
|
|
|
|
context['relationship_set'] = serializers.RelationshipSerializer(
|
|
models.Relationship.objects.filter(
|
|
pk__in=relationship_answerset_set.values_list('relationship',
|
|
flat=True)),
|
|
many=True).data
|
|
|
|
logger.info('Found %d distinct relationships matching filters',
|
|
len(context['relationship_set']))
|
|
|
|
return context
|
|
|
|
def form_valid(self, form):
|
|
try:
|
|
return self.render_to_response(self.get_context_data())
|
|
|
|
except ValidationError:
|
|
return self.form_invalid(form)
|