130 lines
4.0 KiB
Python
130 lines
4.0 KiB
Python
import datetime
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from django.utils import timezone as tz
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from django.utils.decorators import method_decorator
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from django.views.decorators.cache import cache_page
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from django.views.generic import ListView
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from rest_framework.generics import ListAPIView
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from ..models import Diffusion, Log, StaticPage
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from ..serializers import LogInfo, LogInfoSerializer
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from .base import BaseAPIView, BaseView
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from .mixins import AttachedToMixin, GetDateMixin
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__all__ = ["LogListMixin", "LogListView"]
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class LogListMixin(GetDateMixin):
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model = Log
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min_date = None
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def get_date(self):
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date = super().get_date()
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if date is not None and not self.request.user.is_staff:
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return min(date, datetime.date.today())
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return date
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def get_queryset(self):
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# only get logs for tracks: log for diffusion will be retrieved
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# by the diffusions' queryset.
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qs = (
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super()
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.get_queryset()
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.on_air()
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.filter(track__isnull=False)
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.filter(date__lte=tz.now())
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)
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return (
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qs.date(self.date)
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if self.date is not None
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else qs.after(self.min_date)
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if self.min_date is not None
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else qs
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)
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def get_diffusions_queryset(self):
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qs = (
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Diffusion.objects.station(self.station)
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.on_air()
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.filter(start__lte=tz.now())
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)
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return (
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qs.date(self.date)
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if self.date is not None
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else qs.after(self.min_date)
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if self.min_date is not None
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else qs
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)
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def get_object_list(self, logs, full=False):
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"""Return diffusions merged to the provided logs iterable.
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If `full`, sort items by date without merging.
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"""
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diffs = self.get_diffusions_queryset()
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if self.request.user.is_staff and full:
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return sorted(list(logs) + list(diffs), key=lambda obj: obj.start)
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return Log.merge_diffusions(logs, diffs)
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class LogListView(AttachedToMixin, BaseView, LogListMixin, ListView):
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"""Return list of logs for the provided date (from `kwargs` or
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`request.GET`, defaults to today)."""
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redirect_date_url = "log-list"
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has_filters = True
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attach_to_value = StaticPage.ATTACH_TO_LOGS
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def get_date(self):
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date = super().get_date()
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return datetime.date.today() if date is None else date
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def get_context_data(self, **kwargs):
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today = datetime.date.today()
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# `super()...` must be called before updating kwargs, in order
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# to get `self.object_list`
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kwargs = super().get_context_data(**kwargs)
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kwargs.update(
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{
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"date": self.date,
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"dates": (
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today - datetime.timedelta(days=i) for i in range(0, 7)
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),
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"object_list": self.get_object_list(self.object_list),
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}
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)
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return kwargs
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# Logs are accessible through API only with this list view
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class LogListAPIView(LogListMixin, BaseAPIView, ListAPIView):
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"""Return logs list, including diffusions. By default return logs of the
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last 30 minutes.
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Available GET parameters:
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- "date": return logs for a specified date (
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- "full": (staff user only) don't merge diffusion and logs
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"""
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serializer_class = LogInfoSerializer
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queryset = Log.objects.all()
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@method_decorator(cache_page(5))
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def list(self, *args, **kwargs):
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return super().list(*args, **kwargs)
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def get_date(self):
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date = super().get_date()
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if date is None:
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self.min_date = tz.now() - tz.timedelta(minutes=30)
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return date
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def get_object_list(self, logs, full):
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return [LogInfo(obj) for obj in super().get_object_list(logs, full)]
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def get_serializer(self, queryset, *args, **kwargs):
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full = bool(self.request.GET.get("full"))
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return super().get_serializer(
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self.get_object_list(queryset, full), *args, **kwargs
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)
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