discourse/app/services/spam_rules_enforcer.rb

# The SpamRulesEnforcer class takes action against users based on flags that their posts
# receive, their trust level, etc.
class SpamRulesEnforcer

  def self.enforce!(arg)
    SpamRulesEnforcer.new(arg).enforce!
  end

  def initialize(arg)
    @user = arg if arg.is_a?(User)
    @post = arg if arg.is_a?(Post)
  end

  def enforce!
    SpamRule::AutoBlock.new(@user).perform if @user
    SpamRule::FlagSockpuppets.new(@post).perform if @post
    true
  end

end