def get(self, request, *args, **kwargs):
if 'HTTP_X_FORWARDED_FOR' in request.META:
ip = request.META['HTTP_X_FORWARDED_FOR']
else:
ip = request.META['REMOTE_ADDR']
self.cur_user_ip = ip
alias = self.kwargs.get('slug')
visited_ips = cache.get(alias, [])
if ip not in visited_ips:
try:
post = self.queryset.get(alias=alias)
except Post.DoesNotExist:
logger.error(u'访问不存在的文章：[%s]' % alias)
context = super(PostDetailView, self).get_context_data(**kwargs)
return render(request, '404.html', context)
else:
post.view_times += 1
post.save()
visited_ips.append(ip)
self.set_lru_read(ip, post)
cache.set(alias, visited_ips, FIF_MIN)
cache.set("postCategory_"+alias, post.category.alias, FIF_MIN)
self.curCategory = post.category.alias
else:
self.curCategory = cache.get("postCategory_"+alias)
return super(PostDetailView, self).get(request, *args, **kwargs)
def set_lru_read(self, ip, post):
#保存别人正在读
lru_views = cache.get('lru_views')
if not lru_views:
lru_views = LRUCacheDict(max_size=10, expiration=FIF_MIN)
if post not in lru_views.values():
lru_views[ip] = post
cache.set('lru_views', lru_views, FIF_MIN)
def process_view(self, request, view_func, view_args, view_kwargs):
"""
处理当前在线人数
"""
http_user_agent = request.META.get("HTTP_USER_AGENT")
if "Spider" in http_user_agent or "spider" in http_user_agent:
return
if "HTTP_X_FORWARDED_FOR" in request.META:
ip = request.META["HTTP_X_FORWARDED_FOR"]
else:
ip = request.META["REMOTE_ADDR"]
online_ips = cache.get("online_ips", [])
if online_ips:
online_ips = cache.get_many(online_ips).keys()
cache.set(ip, 0, 5 * 60)
if ip not in online_ips:
online_ips.append(ip)
cache.set("online_ips", online_ips)
