32 lines
964 B
Ruby
32 lines
964 B
Ruby
# frozen_string_literal: true
|
|
|
|
class FollowLimitValidator < ActiveModel::Validator
|
|
LIMIT = ENV.fetch('MAX_FOLLOWS_THRESHOLD', 7_500).to_i
|
|
RATIO = ENV.fetch('MAX_FOLLOWS_RATIO', 1.1).to_f
|
|
|
|
def validate(follow)
|
|
return if follow.account.nil? || !follow.account.local?
|
|
follow.errors.add(:base, I18n.t('users.follow_limit_reached', limit: self.class.limit_for_account(follow.account))) if limit_reached?(follow.account)
|
|
end
|
|
|
|
class << self
|
|
def limit_for_account(account)
|
|
adjusted_limit = account.is_pro ? 50000 : LIMIT
|
|
adjusted_limit = account.is_flagged_as_spam ? 0 : LIMIT
|
|
adjusted_limit = !account.user.confirmed? ? 10 : LIMIT
|
|
|
|
if account.following_count < adjusted_limit
|
|
adjusted_limit
|
|
else
|
|
[(account.followers_count * RATIO).round, adjusted_limit].max
|
|
end
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def limit_reached?(account)
|
|
account.following_count >= self.class.limit_for_account(account)
|
|
end
|
|
end
|