def random_walk(request):
articleid = redis_conn.srandmember(Article.ALL_PRIMARY_IDS_KEY)
article = Article.objects.filter(id=articleid).first()
if article is None:
raise Http404
return render(request, "web/random_walk.html", {
"article": article,
})
def random_walk(request):
articleid = redis_conn.srandmember(Article.ALL_PRIMARY_IDS_KEY)
article = Article.objects.filter(id=articleid).first()
if article is None:
raise Http404
return render(request,
"web/random_walk.html",
{
"article": article,
})
def random_article(request):
''' put all primary article id to the redis
redis[all] = set(1,2,3)
put all user read in redis
redis[user] = set(1,2, 3)
consider use sdiff: r.sdiff(keys=('local', 'mythtv'))
'''
# use request.user
# if we need to collect anonymous user data
if request.user.is_authenticated():
article_id_sets = redis_conn.sdiff((Article.ALL_PRIMARY_IDS_KEY, request.user.id)) or 0
if article_id_sets == 0:
raise Http404
article_id = random.sample(article_id_sets, 1)[0]
redis_conn.sadd(request.user.id, article_id)
UserReadArticle.objects.get_or_create(user=request.user, article_id=article_id)
else:
article_id = redis_conn.srandmember(Article.ALL_PRIMARY_IDS_KEY) or 0
return redirect("/api/article/%s/"%article_id)
