class HomeworkAttachController < ApplicationController
  #显示作业信息
  def show
    @homework = HomeworkAttach.find(params[:id])
    # 打分统计
    stars_reates = @homework.
        rates(:quality)
    stars_reates_count = stars_reates.count == 0 ? 1 : stars_reates.count
    stars_status = stars_reates.select("stars, count(*) as scount").
        group("stars")
    @stars_status_map = Hash.new(0.0)
    stars_status.each do |star_status|
      percent = (star_status.scount * 1.0/ stars_reates_count) * 100.to_f
      percent_m = format("%.2f", percent)
      @stars_status_map["star#{star_status.stars.to_i}".to_sym] =
          percent_m.to_s + "%"
    end
    @jours = @homework.journals_for_messages.order("created_on DESC")
    @limit =  10
    @feedback_count = @jours.count
    @feedback_pages = Paginator.new @feedback_count, @limit, params['page']
    @offset ||= @feedback_pages.offset
    @jour = @jours[@offset, @limit]
  end

  #删除留言
  def destroy
    @journal_destroyed = JournalsForMessage.delete_message(params[:object_id])
    @homework = HomeworkAttach.find(params[:id])
    @jours = @homework.journals_for_messages.order("created_on DESC")
    @limit =  10
    @feedback_count = @jours.count
    @feedback_pages = Paginator.new @feedback_count, @limit, params['page']
    @offset ||= @feedback_pages.offset
    @jour = @jours[@offset, @limit]
    respond_to do |format|
      format.js
    end
  end

  #添加留言
  def addjours
    @homework = HomeworkAttach.find(params[:jour_id])
    @homework.addjours User.current.id, params[:new_form][:user_message],0
    @jours = @homework.journals_for_messages.order("created_on DESC")
    @limit =  10
    @feedback_count = @jours.count
    @feedback_pages = Paginator.new @feedback_count, @limit, params['page']
    @offset ||= @feedback_pages.offset
    @jour = @jours[@offset, @limit]
    respond_to do |format|
      format.js
    end
  end

  #获取指定作业的平均得分
  def score
    #stars_reates = @homework.rates(:quality)
    #percent = 0
    #stars_reates.each do |star_reates|
    #  percent = percent + star_reates.stars
    #end
    #stars_reates_count = stars_reates.count == 0 ? 1 : stars_reates.count
    #result = percent * 1.0 /  stars_reates_count
    #result
  end

  #添加回复
  def add_jour_reply
    parent_id = params[:reference_id]
    author_id = User.current.id
    reply_user_id = params[:reference_user_id]
    reply_id = params[:reference_message_id] # 暂时不实现
    content = params[:user_notes]
    options = {:user_id => author_id,
               :m_parent_id => parent_id,
               :m_reply_id => reply_id,
               :reply_id => reply_user_id,
               :notes => content,
               :is_readed => false}
    @jfm = JournalsForMessage.new(options)
    @jfm.save
    respond_to do |format|
      format.js{
        @save_succ = true if @jfm.errors.empty?
      }
    end
  end
end