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whippy-edition/app/validators/follow_limit_validator.rb
Eugen Rochko a46ab86adf
Limit the number of people that can be followed from one account (#8807)
Configurable soft limit of 7,500, and above that, configurable
ratio of 1.1 * followers, controlled by:

- MAX_FOLLOWS_THRESHOLD
- MAX_FOLLOWS_RATIO

Fix #2311
2018-10-04 17:36:11 +02:00

28 lines
738 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)
if account.following_count < LIMIT
LIMIT
else
account.followers_count * RATIO
end
end
end
private
def limit_reached?(account)
account.following_count >= self.class.limit_for_account(account)
end
end