gitlab-org--gitlab-foss/lib/gitlab/search/recent_issues.rb

61 lines
1.6 KiB
Ruby

# frozen_string_literal: true
module Gitlab
module Search
class RecentIssues
ITEMS_LIMIT = 100
EXPIRES_AFTER = 7.days
def initialize(user:, items_limit: ITEMS_LIMIT, expires_after: EXPIRES_AFTER)
@user = user
@items_limit = items_limit
@expires_after = expires_after
end
def log_view(issue)
return unless recent_items_enabled?
with_redis do |redis|
redis.zadd(key, Time.now.to_f, issue.id)
redis.expire(key, @expires_after)
# There is a race condition here where we could end up removing an
# item from 2 places concurrently but this is fine since worst case
# scenario we remove an extra item from the end of the list.
if redis.zcard(key) > @items_limit
redis.zremrangebyrank(key, 0, 0) # Remove least recent
end
end
end
def search(term)
return Issue.none unless recent_items_enabled?
ids = with_redis do |redis|
redis.zrevrange(key, 0, @items_limit - 1)
end.map(&:to_i)
IssuesFinder.new(@user, search: term, in: 'title').execute.reorder(nil).id_in_ordered(ids) # rubocop: disable CodeReuse/ActiveRecord
end
private
def with_redis(&blk)
Gitlab::Redis::SharedState.with(&blk) # rubocop: disable CodeReuse/ActiveRecord
end
def key
"recent_items:#{type.name.downcase}:#{@user.id}"
end
def type
Issue
end
def recent_items_enabled?
Feature.enabled?(:recent_items_search, @user)
end
end
end
end