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@ -0,0 +1,27 @@ |
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# frozen_string_literal: true |
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class FollowLimitValidator < ActiveModel::Validator |
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LIMIT = ENV.fetch('MAX_FOLLOWS_THRESHOLD', 7_500).to_i |
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RATIO = ENV.fetch('MAX_FOLLOWS_RATIO', 1.1).to_f |
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def validate(follow) |
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return if follow.account.nil? || !follow.account.local? |
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follow.errors.add(:base, I18n.t('users.follow_limit_reached', limit: self.class.limit_for_account(follow.account))) if limit_reached?(follow.account) |
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end |
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class << self |
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def limit_for_account(account) |
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if account.following_count < LIMIT |
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LIMIT |
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else |
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account.followers_count * RATIO |
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end |
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end |
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end |
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private |
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def limit_reached?(account) |
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account.following_count >= self.class.limit_for_account(account) |
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end |
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end |