aircox-radiocampus/aircox/views/log.py
2019-09-23 12:38:44 +02:00

103 lines
3.5 KiB
Python

from collections import deque
import datetime
from django.views.generic import ListView
from django.utils import timezone as tz
from rest_framework.generics import ListAPIView
from rest_framework import viewsets
from rest_framework.decorators import action
from ..models import Diffusion, Log
from ..serializers import LogInfo, LogInfoSerializer
from .base import BaseView, BaseAPIView
from .mixins import GetDateMixin
__all__ = ['LogListMixin', 'LogListView']
class LogListMixin(GetDateMixin):
model = Log
def get_date(self):
date, today = super().get_date(), datetime.date.today()
if date is not None and not self.request.user.is_staff:
return min(date, today)
return date
def get_queryset(self):
# only get logs for tracks: log for diffusion will be retrieved
# by the diffusions' queryset.
qs = super().get_queryset().on_air().filter(track__isnull=False) \
.filter(date__lte=tz.now())
return qs.today(self.date) if self.date is not None else \
qs.after(self.min_date) if self.min_date is not None else qs
def get_diffusions_queryset(self):
qs = Diffusion.objects.station(self.station).on_air() \
.filter(start__lte=tz.now())
return qs.today(self.date) if self.date is not None else \
qs.after(self.min_date) if self.min_date is not None else qs
def get_object_list(self, logs, full=False):
"""
Return diffusions merged to the provided logs queryset. If
`full`, sort items by date without merging.
"""
diffs = self.get_diffusions_queryset()
if self.request.user.is_staff and full:
return sorted(list(logs) + list(diffs), key=lambda obj: obj.start)
return Log.merge_diffusions(logs, diffs)
class LogListView(BaseView, LogListMixin, ListView):
"""
Return list of logs for the provided date (from `kwargs` or
`request.GET`, defaults to today).
"""
redirect_date_url = 'log-list'
has_filters = True
def get_date(self):
date, today = super().get_date(), datetime.date.today()
return today if date is None else min(date, today)
def get_context_data(self, **kwargs):
today = datetime.date.today()
kwargs.update({
'date': self.date,
'dates': (today - datetime.timedelta(days=i) for i in range(0, 7)),
'object_list': self.get_object_list(self.object_list),
})
return super().get_context_data(**kwargs)
# Logs are accessible through API only with this list view
class LogListAPIView(LogListMixin, BaseAPIView, ListAPIView):
"""
Return logs list, including diffusions. By default return logs of
the last 30 minutes.
Available GET parameters:
- "date": return logs for a specified date (
- "full": (staff user only) don't merge diffusion and logs
"""
serializer_class = LogInfoSerializer
queryset = Log.objects.all()
def get(self, *args, **kwargs):
self.date = self.get_date()
if self.date is None:
self.min_date = tz.now() - tz.timedelta(minutes=30)
return super().get(*args, **kwargs)
def get_object_list(self, logs, full):
return [LogInfo(obj) for obj in super().get_object_list(logs, full)]
def get_serializer(self, queryset, *args, **kwargs):
full = bool(self.request.GET.get('full'))
return super().get_serializer(self.get_object_list(queryset, full),
*args, **kwargs)