# frozen_string_literal: true class PotentialFriendshipTracker EXPIRE_AFTER = 90.days.seconds MAX_ITEMS = 80 WEIGHTS = { reply: 1, favourite: 10, reblog: 20, }.freeze class << self include Redisable def record(account_id, target_account_id, action) return if account_id == target_account_id key = "interactions:#{account_id}" weight = WEIGHTS[action] redis.with do |conn| conn.zincrby(key, weight, target_account_id) conn.zremrangebyrank(key, 0, -MAX_ITEMS) conn.expire(key, EXPIRE_AFTER) end end def remove(account_id, target_account_id) redis.with do |conn| conn.zrem("interactions:#{account_id}", target_account_id) end end def get(account_id, limit: 10, offset: 0) account_ids = [] redis.with do |conn| account_ids = conn.zrevrange("interactions:#{account_id}", offset, limit) end return [] if account_ids.empty? Account.searchable.where(id: account_ids).local end end end