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 get_pop_news_by_type(type, current_news_id):
pop_news_idlist = redis_adapter.zrevrange(RedisKeys.pop_news_by_group % type,0,3)
result = []
if len(pop_news_idlist) > 0:
pipe = redis_adapter.pipeline()
i = 0
for id in pop_news_idlist:
if str(current_news_id) != id and i < 3:
pipe.get(RedisKeys.preview_news_key % id)
i += 1
exec_res = pipe.execute()
if len(exec_res) > 0:
for ind,preview_serialized in enumerate(exec_res):
if preview_serialized is not None:
obj = pickle.loads(preview_serialized)
if hasattr(obj, 'img') and hasattr(obj, 'description'):
# id = pop_news_idlist[ind] if len(pop_news_idlist) > ind else 0
# if id is not None and id != 'None' and id > 0:
# preview = set_preview_by_id(id)
# result.append(preview)
# else:
result.append(obj)
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:
preview = set_preview_by_id(id)
result.append(preview)
return result