aircox-radiocampus/aircox_web/views.py
2019-07-28 18:40:59 +02:00

297 lines
9.9 KiB
Python

from collections import OrderedDict, deque
import datetime
from django.http import Http404
from django.shortcuts import get_object_or_404
from django.utils.translation import ugettext_lazy as _
from django.views.generic import DetailView, ListView
from django.views.generic.base import TemplateResponseMixin, ContextMixin
from content_editor.contents import contents_for_item
from aircox import models as aircox
from .models import Site, Page, DiffusionPage, ProgramPage, \
get_diffusions_with_page
from .renderer import site_renderer, page_renderer
def route_page(request, path=None, *args, model=None, site=None, **kwargs):
"""
Route request to page of the provided path. If model is provided, uses
it.
"""
# TODO/FIXME: django site framework | site from request host
# TODO: extra page kwargs (as in pepr)
site = Site.objects.all().order_by('-default').first() \
if site is None else site
model = model if model is not None else Page
page = get_object_or_404(
model.objects.select_subclasses().live(),
path=path
)
kwargs['page'] = page
return page.view(request, *args, site=site, **kwargs)
class BaseView(TemplateResponseMixin, ContextMixin):
site = None
""" Current website """
nav_side = False
""" Show side navigation """
title = None
""" Page title """
cover = None
""" Page cover """
def dispatch(self, request, *args, site=None, **kwargs):
self.site = site if site is not None else \
Site.objects.all().order_by('-default').first()
return super().dispatch(request, *args, **kwargs)
def get_context_data(self, **kwargs):
if kwargs.get('site_regions') is None:
contents = contents_for_item(
self.site, site_renderer._renderers.keys())
kwargs['site_regions'] = contents.render_regions(site_renderer)
kwargs.setdefault('site', self.site)
kwargs.setdefault('cover', self.cover)
kwargs.setdefault('nav_side', self.nav_side)
return super().get_context_data(**kwargs)
class PageView(BaseView, DetailView):
""" Base view class for pages. """
template_name = 'aircox_web/page.html'
context_object_name = 'page'
page = None
def get_queryset(self):
return super().get_queryset().live()
def get_context_data(self, **kwargs):
page = getattr(self, 'object', None)
if page is not None:
if kwargs.get('regions') is None:
contents = contents_for_item(
page, page_renderer._renderers.keys())
kwargs['regions'] = contents.render_regions(page_renderer)
kwargs.setdefault('title', page.title)
kwargs.setdefault('cover', page.cover)
kwargs.setdefault('page', page)
return super().get_context_data(**kwargs)
class BaseProgramView(PageView):
""" Base view class for programs and their sub-pages. """
nav_side = True
list_count=5
def get_diffusions_queryset(self, program, queryset=None):
qs = get_diffusions_with_page() if queryset is None else queryset
return qs.before().filter(program=program).order_by('-start')
def get_context_data(self, program, **kwargs):
if not hasattr(program, 'page') or not program.page.is_published:
raise Http404
if 'diffusions' not in kwargs:
diffs = self.get_diffusions_queryset(program)[:self.list_count]
kwargs['diffusions'] = diffs
return super().get_context_data(program=program, **kwargs)
class ProgramPageView(BaseProgramView):
template_name = 'aircox_web/program_page.html'
model = ProgramPage
def get_queryset(self):
return super().get_queryset().select_related('program')
def get_context_data(self, **kwargs):
kwargs.setdefault('program', self.object.program)
return super().get_context_data(**kwargs)
class DiffusionPageView(BaseProgramView):
template_name = 'aircox_web/program_base.html'
model = DiffusionPage
def get_podcasts(self, diffusion):
return aircox.Sound.objects.diffusion(diffusion).podcasts()
def get_context_data(self, **kwargs):
diffusion = self.object.diffusion
kwargs.setdefault('program', diffusion.program)
kwargs.setdefault('parent', getattr(kwargs['program'], 'page', None))
if not 'podcasts' in kwargs:
kwargs['podcasts'] = self.get_podcasts(diffusion)
print('get prodcasts...', kwargs['podcasts'], diffusion)
return super().get_context_data(**kwargs)
# TODO: pagination: in template, only a limited number of pages displayed
# DiffusionsView use diffusion instead of diffusion page for different reasons:
# more straightforward, it handles reruns
class DiffusionsView(BaseView, ListView):
template_name = 'aircox_web/diffusions.html'
model = aircox.Diffusion
paginate_by = 30
program = None
def get(self, request, *args, **kwargs):
program_slug = kwargs.get('program_slug')
if program_slug:
self.program = get_object_or_404(
aircox.Program, slug=kwargs.get('program_slug'))
return super().get(request, *args, **kwargs)
def get_queryset(self):
qs = get_diffusions_with_page(super().get_queryset()) \
.select_related('page', 'program')
if self.program:
qs = qs.filter(program=self.program)
return qs.order_by('-start')
def get_context_data(self, **kwargs):
program = kwargs.setdefault('program', self.program)
if program is not None and hasattr(program, 'page'):
kwargs.setdefault('cover', program.page.cover)
kwargs.setdefault('parent', program.page)
return super().get_context_data(**kwargs)
class TimetableView(BaseView, ListView):
""" View for timetables """
template_name = 'aircox_web/timetable.html'
model = aircox.Diffusion
title = _('Timetable')
date = None
start = None
end = None
def get_queryset(self):
self.date = self.kwargs.get('date') or datetime.date.today()
self.start = self.date - datetime.timedelta(days=self.date.weekday())
self.end = self.start + datetime.timedelta(days=7)
return super().get_queryset().station(self.site.station) \
.range(self.start, self.end) \
.order_by('start')
def get_context_data(self, **kwargs):
# regoup by dates
by_date = OrderedDict()
date = self.start
while date < self.end:
by_date[date] = []
date += datetime.timedelta(days=1)
for diffusion in self.object_list:
if not diffusion.date in by_date:
continue
by_date[diffusion.date].append(diffusion)
return super().get_context_data(
by_date=by_date,
date=self.date,
start=self.start,
end=self.end - datetime.timedelta(days=1),
prev_date=self.start - datetime.timedelta(days=1),
next_date=self.end + datetime.timedelta(days=1),
**kwargs
)
class LogViewBase(ListView):
station = None
date = None
delta = None
def get_queryset(self):
# only get logs for tracks: log for diffusion will be retrieved
# by the diffusions' queryset.
return super().get_queryset().station(self.station).on_air() \
.at(self.date).filter(track__isnull=False)
def get_diffusions_queryset(self):
return aircox.Diffusion.objects.station(self.station).on_air() \
.at(self.date)
def get_object_list(self, queryset):
diffs = deque(self.get_diffusions_queryset().order_by('start'))
logs = list(queryset.order_by('date'))
if not len(diffs):
return logs
object_list = []
diff = diffs.popleft()
last_collision = None
# diff.start < log on first diff
# diff.end > log on last diff
for index, log in enumerate(logs):
# get next diff
if diff.end < log.date:
diff = diffs.popleft() if len(diffs) else None
# no more diff that can collide: return list
if diff is None:
return object_list + logs[index:]
# diff colliding with log
if diff.start <= log.date <= diff.end:
if object_list[-1] is not diff:
object_list.append(diff)
last_collision = log
else:
# add last colliding log: track
if last_collision is not None:
object_list.append(last_collision)
object_list.append(log)
last_collision = None
return object_list
class LogsView(BaseView, LogViewBase):
""" View for timetables """
template_name = 'aircox_web/logs.html'
model = aircox.Log
title = _('Logs')
date = None
max_age = 10
min_date = None
def get(self, request, *args, **kwargs):
self.station = self.site.station
today = datetime.date.today()
self.min_date = today - datetime.timedelta(days=self.max_age)
self.date = min(max(self.min_date, self.kwargs['date']), today) \
if 'date' in self.kwargs else today
return super().get(request, *args, **kwargs)
def get_context_data(self, **kwargs):
today = datetime.date.today()
max_date = min(max(self.date + datetime.timedelta(days=3),
self.min_date + datetime.timedelta(days=6)), today)
return super().get_context_data(
date=self.date,
min_date=self.min_date,
dates=(date for date in (
max_date - datetime.timedelta(days=i)
for i in range(0, 7)) if date >= self.min_date
),
object_list=self.get_object_list(self.object_list),
**kwargs
)