def get_user_feed(user_id, page):
feed_key = FEED_KEY.format(user_id)
update_key = ACTIVITY_UPDATED_KEY.format(user_id)
if rdb.get(update_key):
items = ActivityFeed.get_all()
if items:
rdb.zadd(feed_key, *sum([(int(time), id) for id, time in items],
())) # noqa
rdb.set(update_key, 1, ex=ONE_MINUTE * 5)
start = (page - 1) * PER_PAGE
end = start + PER_PAGE
post_ids = rdb.zrange(feed_key, start, end)
items = Post.get_multi([int(id) for id in post_ids])
total = rdb.zcard(feed_key)
return Pagination(None, page, PER_PAGE, total, items)
def get_user_feed(from_id, page):
""" 获取用户的`FEED_KEY`的文章 """
feed_key = FEED_KEY.format(from_id)
update_key = ACTIVITY_UPDATED_KEY.format(from_id)
if not rdb.get(update_key):
items = ActivityFeed.get_all()
if items:
rdb.zadd(feed_key, dict(items))
rdb.set(update_key, 1, ex=ONE_MINUTE * 5)
start = (page - 1) * PER_PAGE
end = start + PER_PAGE - 1
post_ids = rdb.zrange(feed_key, start, end)
items = Post.get_multi([int(id) for id in post_ids])
total = rdb.zcard(feed_key)
return Pagination(None, page, PER_PAGE, total, items)
def tag(ident):
ident = ident.lower()
tag = Tag.get_by_name(ident)
if not tag:
tag = Tag.get(ident)
if not tag:
abort(404)
page = request.args.get('page', default=1, type=int)
type = request.args.get('type', default='hot') # hot/latest
if type == 'latest':
posts = PostTag.get_posts_by_tag(ident, page)
elif type == 'hot':
posts = Item.get_post_ids_by_tag(ident, page, type) # 从Elasticsearch中查找 # noqa
posts.items = Post.get_multi(posts.items)
else:
# 未知类型
posts = []
return render_template('tag.html', tag=tag, ident=ident, posts=posts,
type=type) # 模板能忽略post类型的错误，即使传入posts=[]
def tag(identifier):
identifier = identifier.lower()
tag = Tag.get_by_name(identifier)
if not tag:
tag = Tag.get_or_404(identifier)
page = request.args.get("page", type=int, default=1)
type = request.args.get("type", default="latest")
if type == "latest":
posts = PostTag.get_post_by_tag(identifier, page)
elif type == "hot":
posts = Item.get_post_ids_by_tag(tag, page, order_by="hot")
posts.items = Post.get_multi(posts.items)
else:
posts = []
return render_template("tag.html",
tag=tag,
identifier=identifier,
posts=posts,
type=type)
def tag(ident):
ident = ident.lower()
tag = Tag.get_by_name(ident)
if not tag:
tag = Tag.get(ident)
if not tag:
abort(404)
page = request.args.get('page', default=1, type=int)
type = request.args.get('type', default='hot') # hot/latest
if type == 'latest':
posts = PostTag.get_posts_by_tag(ident, page) # paginate
elif type == 'hot':
posts = Item.get_post_ids_by_tag(ident, page,
type) # via Elasticsearch
posts.items = Post.get_multi(posts.items)
else:
# Unknown type
posts = []
return render_template('tag.html',
tag=tag,
ident=ident,
posts=posts,
type=type) # `posts` here is pagination object.