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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
def record(account_id, target_account_id, action)
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_id, limit: 20, offset: 0)
account_ids = redis.zrevrange("interactions:#{account_id}", offset, limit)
return [] if account_ids.empty?
Account.searchable.where(id: account_ids)
end
private
def redis
Redis.current
end
end
end
|
