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# 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.zincrby(key, weight, target_account_id)
redis.zremrangebyrank(key, 0, -MAX_ITEMS)
redis.expire(key, EXPIRE_AFTER)
end
def remove(account_id, target_account_id)
redis.zrem("interactions:#{account_id}", target_account_id)
end
def get(account, limit)
account_ids = redis.zrevrange("interactions:#{account.id}", 0, limit)
return [] if account_ids.empty? || limit < 1
accounts = Account.searchable.where(id: account_ids).index_by(&:id)
account_ids.map { |id| accounts[id.to_i] }.compact
end
end
end
|
