def form_valid(self, form):
news = form.save()
photos_formset = NewsPhotoImageSet(self.request.POST,
self.request.FILES,
instance=news)
is_valid = all([photos_formset.is_valid()])
if is_valid:
photos_formset.save()
#save preview to redis
photos = news.news_photos.all()
preview = NewsPreview(news.id,news.title, photos[0].thumbnail.url if photos.count() > 0 else '', news.slug,
news.event_date, news.deadline_date,news.description,
photos[0].preview.url if photos.count() > 0 else '')
preview_serialized = pickle.dumps(preview)
redis_adapter.set(RedisKeys.preview_news_key % news.id, preview_serialized)
return HttpResponseRedirect(self.get_success_url())
messages.error(self.request,
_("Your submitted data was not valid - please "
"correct the below errors"))
news.delete()
ctx = self.get_context_data(form=form, photo_formset=photos_formset)
return self.render_to_response(ctx)
def pop_news_list(context):
if str(context['city_id']) != str(FIESTA_NEWS_CITY_SLUG['spb']):
pop_news_idlist = redis_adapter.zrevrange(RedisKeys.pop_news_by_city % context['city_id'],0,2)
else:
pop_news_idlist = redis_adapter.zrevrange(RedisKeys.pop_news,0,2)
result = []
if len(pop_news_idlist) > 0:
pipe = redis_adapter.pipeline()
for id in pop_news_idlist:
pipe.get(RedisKeys.preview_news_key % id)
exec_res = pipe.execute()
if len(exec_res) > 0:
for ind,preview_serialized in enumerate(exec_res):
if preview_serialized is not None:
result.append(pickle.loads(preview_serialized))
else:
id = pop_news_idlist[ind] if len(pop_news_idlist) > ind else 0
if id is not None and id != 'None' and id > 0:
news = News.objects.get(pk=id)
photos = news.news_photos.all()
preview = NewsPreview(news.id,news.title, photos[0].thumbnail.url if photos.count() > 0 else '', news.slug, news.event_date, news.deadline_date,news.description,photos[0].preview.url if photos.count() > 0 else '')
preview_serialized = pickle.dumps(preview)
redis_adapter.set(RedisKeys.preview_news_key % news.id, preview_serialized)
result.append(preview)
return {'pop_news': result}
def form_valid(self, form):
news = form.save()
photos_formset = NewsPhotoImageSet(self.request.POST,
self.request.FILES,
instance=news)
is_valid = all([photos_formset.is_valid()])
if is_valid:
photos_formset.save()
#save preview to redis
photos = news.news_photos.all()
preview = NewsPreview(news.id,news.title, photos[0].thumbnail.url if photos.count() > 0 else '', news.slug,
news.event_date, news.deadline_date,news.description,
photos[0].preview.url if photos.count() > 0 else '')
preview_serialized = pickle.dumps(preview)
redis_adapter.set(RedisKeys.preview_news_key % news.id, preview_serialized)
if not news.is_displayed or news.is_archive:
redis_adapter.zrem(RedisKeys.pop_news, news.id)
elif news.date_added + timedelta(days=settings.TOP_NEWS_LIVETIME) > utc.localize(datetime.today()):
redis_adapter.zadd(RedisKeys.pop_news, news.id, news.views_count)
return HttpResponseRedirect(self.get_success_url())
messages.error(self.request,
_("Your submitted data was not valid - please "
"correct the below errors"))
news.delete()
ctx = self.get_context_data(form=form, photo_formset=photos_formset)
return self.render_to_response(ctx)
def set_preview_by_id(id):
news = News.objects.get(pk=id)
photos = news.news_photos.all()
preview = NewsPreview(news.id,news.title, photos[0].thumbnail.url if photos.count() > 0 else '', news.slug, news.event_date, news.deadline_date,news.description,photos[0].preview.url if photos.count() > 0 else '')
preview_serialized = pickle.dumps(preview)
redis_adapter.set(RedisKeys.preview_news_key % news.id, preview_serialized)
return preview
