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 get_context_data(self, **kwargs):
context = super(PostDetailView, self).get_context_data(**kwargs)
post = self.get_object()
next_id = post.id + 1
prev_id = post.id - 1
try:
next_post = self.queryset.get(id=next_id)
except Post.DoesNotExist:
next_post = None
try:
prev_post = self.queryset.get(id=prev_id)
except Post.DoesNotExist:
prev_post = None
context['next_post'] = next_post
context['prev_post'] = prev_post
context['lru_views'] = cache.get('lru_views', {}).items()
context['cur_user_ip'] = self.cur_user_ip
context['related_posts'] = post.related_posts
return context
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)
def get_context_data(self, *args, **kwargs):
context = super(BaseMixin, self).get_context_data(**kwargs)
try:
context['categories'] = [[True, "/",{"name":"首页","alias":"","is_nav":True}]]
#logger.info(context['categories'])
context['widgets'] = Widget.available_list()
context['recently_posts'] = Post.get_recently_posts(RECENTLY_NUM)
context['hot_posts'] = Post.get_hots_posts(HOT_NUM)
context['pages'] = Page.objects.filter(status=0)
#print "online ips",cache.get('online_ips')
context['online_num'] = len(cache.get('online_ips'))
for i in Category.available_list():
if i.alias == self.curCategory:
context['categories'][0][0] = False
context['categories'].append([True, "/category/%s/"%(i.alias), i])
else:
context['categories'].append([False, "/category/%s/"%(i.alias), i])
except Exception as e:
logger.exception(u'加载基本信息出错[%s]！', e)
return context