class ForgeMessages < ActiveRecord::Migration
  def up
    Project.all.each do |project|
      transaction do
        project.forge_messages << ForgeMessage.new(:user_id => project.user_id, :course_id => project.id)

        # 新闻
        project.news.each do |new|
          new.project.members.each do |m|
            if m.user_id != new.author_id
              if m.created_on < new.created_on  # 在成员加入项目之后
                new.forge_messages << ForgeMessage.new(:user_id => m.user_id, :project_id => self.project_id, :viewed => true)
              end
            end
          end
        end

        # 讨论区
        if project.boards.first
          project.boards.first.messages.each do |message|
            if message.parent_id.nil?   # 主贴
              message.project.members.each do |m|
                if  m.user_id != message.author_id
                  if m.created_on < message.created_on
                    message.forge_messages << ForgeMessage.new(:user_id => m.user_id, :project_id => message.board.project_id, :viewed => true)
                  end
                end
              end
            else    # 回帖
              message.project.members.each do |m|
                if m.user_id ==  Message.find(message.parent_id).author_id  && m.user_id != message.author_id  # 只针对主贴回复，回复自己的帖子不发消息
                  if m.created_on < message.created_on
                    message.forge_messages << ForgeMessage.new(:user_id => m.user_id, :project_id => message.board.project_id, :viewed => true)
                  end
                end
              end
            end
          end
        end

        # 缺陷
        project.issues.each do |issue|
          unless issue.author_id == issue.assigned_to_id
            issue.forge_messages << ForgeMessage.new(:user_id => issue.assigned_to_id, :project_id => issue.project_id, :viewed => true)
          end
        end

        # 缺陷更新
        project.issues.each do |issue|
          issue.journals.each do |journal|
            if journal.user_id != journal.issue.author_id
              journal.forge_messages << ForgeMessage.new(:user_id => journal.issue.author_id, :project_id => journal.issue.project_id, :viewed => true)
            end
            if journal.user_id != journal.issue.assigned_to_id && journal.issue.assigned_to_id != journal.issue.author_id   # 指派人不是自己的话，则给指派人发送
              journal.forge_messages << ForgeMessage.new(:user_id => journal.issue.assigned_to_id, :project_id => journal.issue.project_id, :viewed => true)
            end
          end
        end
      end
    end
  end

  def down
  end
end