from rest_framework.pagination import LimitOffsetPagination
from rest_framework.response import Response
from engage.ingest.models import AgendaItem, EngageUser, Agenda
from engage.api.serializers import UserFeedSerializer
from django.contrib.auth.decorators import login_required
from django.contrib.auth.models import AnonymousUser
from drf_yasg.utils import swagger_auto_schema, no_body
from rest_framework.decorators import api_view
from rest_framework import status, generics
from rest_framework.views import APIView
from psycopg2.extras import NumericRange
from datetime import datetime
import calendar
import pytz
class MediumResultsPagination(LimitOffsetPagination):
default_limit = 10
class UserFeed(generics.ListAPIView):
'''
List the agendas stored in the database with different results for logged in users
or users who are just using the app without logging in.
Query Parameters: begin -- start of datetime you want to query
end -- end of datetime you want to query
For logged in users:
we get their stored preferred tags from their profile
return only tags that are contained in a list of the names of those tags
and we only return the ones
For not logged in users:
we get the most recent agenda items and return those
'''
serializer_class = UserFeedSerializer
pagination_class = MediumResultsPagination
def get_queryset(self):
print("get queryset")
# Is there no test for figuring if req.user is of AnonymousUser type?
data = []
now = datetime.now(pytz.UTC)
unixnow = calendar.timegm(now.utctimetuple())
if (not isinstance(self.request.user, AnonymousUser)):
user = EngageUser.objects.get(user=self.request.user)
tags_query_set = user.tags.all()
tag_names = list(map(lambda x: x.name, tags_query_set))
agenda_items = AgendaItem.objects.filter(tags__name__in=tag_names).filter(
agenda__meeting_time__contained_by=NumericRange(self.request.data['begin'], self.request.data['end']))
if agenda_items[0].meeting_time > unixnow:
meeting_held = False
else:
meeting_held = True
else:
# return the most recent agenda items for the upcoming meeting,
# if there is no upcoming meeting, show the last meeting instead
last_run = Agenda.objects.order_by('-meeting_time')[0]
if last_run.meeting_time > unixnow:
meeting_held = False
else:
meeting_held = True
agenda_items = last_run.items.all()
for ag_item in agenda_items:
data.append({"item": ag_item, "tag": list(
ag_item.tags.all()), "meeting_already_held": meeting_held})
return data
