socialforge/app/api/mobile/entities/jours.rb

module Mobile
  module Entities
    #普通留言
    class Jours < Grape::Entity
      include Redmine::I18n
      def self.jours_expose(field)
        expose field do |f,opt|
          if f.is_a?(Hash) && f.key?(field)
            f[field]
          elsif f.is_a?(::JournalsForMessage) && f.respond_to?(field)
            if field == :created_on
              format_time(f.send(field))
            else
              f.send(field)
            end
          else
            case field
              when :lasted_comment
                time_from_now f.created_on
              when :reply_count
                f.children.count
              when :praise_count
                get_activity_praise_num(f)
              when :act_type
                'JournalsForMessage'
              when :act_id
                f.id
            end
          end
        end
      end

      jours_expose :act_type
      jours_expose :act_id
      jours_expose :id
      jours_expose :jour_type
      jours_expose :jour_id
      expose :user,using: Mobile::Entities::User do |f, opt|
        f.user
      end
      jours_expose :created_on
      jours_expose :lasted_comment
      jours_expose :notes
      jours_expose :m_reply_id
      jours_expose :m_parent_id
      jours_expose :reply_count
      jours_expose :praise_count
      expose :course,using:Mobile::Entities::Course do |f,opt|
        if f.is_a?(::JournalsForMessage) && f[:jour_type] == "Course"
          f.course
        end
      end
      expose :reply_user,using: Mobile::Entities::User do |f, opt|
        f.at_user
      end
      expose :child_reply,using: Mobile::Entities::Jours do |f, opt|
        if f.is_a?(::JournalsForMessage)
          f.children.reverse
        end
      end
      expose :has_praise , if: lambda { |instance, options| options[:user] } do |instance, options|
        has_praise = false
        current_user = options[:user]
        obj = PraiseTread.where("praise_tread_object_id=? and praise_tread_object_type=? and user_id=?",instance.id,instance.class.to_s,current_user.id)
        has_praise = obj.empty? ? false : true
        has_praise
      end
    end
  end
end