gab-social/app/lib/potential_friendship_tracker.rb
2021-01-17 17:36:20 -05:00

45 lines
1.0 KiB
Ruby

# 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