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# 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
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