discourse-solved/app/serializers/concerns/discourse_solved/topic_answer_mixin.rb

# frozen_string_literal: true

module DiscourseSolved
  module TopicAnswerMixin
    def self.included(klass)
      klass.attributes :has_accepted_answer, :can_have_answer
    end

    def has_accepted_answer
      object&.solved.present?
    end

    def include_has_accepted_answer?
      SiteSetting.solved_enabled
    end

    def can_have_answer
      return true if SiteSetting.allow_solved_on_all_topics
      return false if object.closed || object.archived
      scope.allow_accepted_answers?(object.category_id, object.tags.map(&:name))
    end

    def include_can_have_answer?
      SiteSetting.solved_enabled && SiteSetting.empty_box_on_unsolved
    end
  end
end