import json

import pytz

from django.http import Http404, HttpResponse

from django.shortcuts import render, get_object_or_404, redirect

from django.template import loader, Context

from django.conf import settings

from django.contrib import messages

from django.contrib.sites.models import Site

from django_ical.views import ICalFeed

from django.contrib.auth.decorators import login_required

from symposion.schedule.forms import SlotEditForm, ScheduleSectionForm

from symposion.schedule.models import Schedule, Day, Slot, Presentation, Session, SessionRole

from symposion.schedule.timetable import TimeTable

from symposion.conference.models import Conference

from pinaxcon.templatetags.lca2018_tags import speaker_photo

def fetch_schedule(slug):

    qs = Schedule.objects.all()

    if slug is None:

        if qs.count() > 1:

    chair = None

    chair_denied = False

    chairs = SessionRole.objects.filter(session=session, role=SessionRole.SESSION_ROLE_CHAIR).exclude(status=False)

    if chairs:

        chair = chairs[0].user

    else:

            # did the current user previously try to apply and got rejected?

            if SessionRole.objects.filter(session=session, user=request.user, role=SessionRole.SESSION_ROLE_CHAIR, status=False):

                chair_denied = True

    runner = None

    runner_denied = False

    runners = SessionRole.objects.filter(session=session, role=SessionRole.SESSION_ROLE_RUNNER).exclude(status=False)

    if runners:

        runner = runners[0].user

    else:

            # did the current user previously try to apply and got rejected?

            if SessionRole.objects.filter(session=session, user=request.user, role=SessionRole.SESSION_ROLE_RUNNER, status=False):

                runner_denied = True

        if not hasattr(request.user, "attendee") or not request.user.attendee.completed_registration:

            response = redirect("guided_registration")

            response["Location"] += "?next=%s" % request.path

            return response

        role = request.POST.get("role")