documentation/app/services/precompute_feed_service.rb

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class PrecomputeFeedService < BaseService
# Fill up a user's home/mentions feed from DB and return a subset
# @param [Symbol] type :home or :mentions
# @param [Account] account
# @return [Array]
def call(type, account, limit)
instant_return = []
Status.send("as_#{type}_timeline", account).order('created_at desc').limit(FeedManager::MAX_ITEMS).find_each do |status|
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next FeedManager.instance.filter?(type, status, account)
redis.zadd(FeedManager.instance.key(type, account.id), status.id, status.id)
instant_return << status unless instant_return.size > limit
end
instant_return
end
private
def redis
$redis
end
end