forked from asonix/mastodon
* Fix #2619 - When redis feed is empty, fall back to database * Use redis value to return feed from database only while RegenerationWorker hasn't finished running * Fix specs * Replace usage of reject!
40 lines
1.1 KiB
Ruby
40 lines
1.1 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
class Feed
|
|
def initialize(type, account)
|
|
@type = type
|
|
@account = account
|
|
end
|
|
|
|
def get(limit, max_id = nil, since_id = nil)
|
|
if redis.exists("account:#{@account.id}:regeneration")
|
|
from_database(limit, max_id, since_id)
|
|
else
|
|
from_redis(limit, max_id, since_id)
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def from_redis(limit, max_id, since_id)
|
|
max_id = '+inf' if max_id.blank?
|
|
since_id = '-inf' if since_id.blank?
|
|
unhydrated = redis.zrevrangebyscore(key, "(#{max_id}", "(#{since_id}", limit: [0, limit], with_scores: true).map(&:last).map(&:to_i)
|
|
status_map = Status.where(id: unhydrated).cache_ids.map { |s| [s.id, s] }.to_h
|
|
unhydrated.map { |id| status_map[id] }.compact
|
|
end
|
|
|
|
def from_database(limit, max_id, since_id)
|
|
Status.as_home_timeline(@account)
|
|
.paginate_by_max_id(limit, max_id, since_id)
|
|
.reject { |status| FeedManager.instance.filter?(:home, status, @account.id) }
|
|
end
|
|
|
|
def key
|
|
FeedManager.instance.key(@type, @account.id)
|
|
end
|
|
|
|
def redis
|
|
Redis.current
|
|
end
|
|
end
|