class PraiseTreadController < ApplicationController
 
  def praise_plus
    @obj = nil
    if request.get?
      @obj = params[:obj]  # 传的是对象，最后变成id了

      #首先创建或更新praise_tread 表
      @pt = PraiseTread.find_by_user_id_and_praise_tread_object_id(User.current.id,@obj)
      @pt = @pt.nil? ? PraiseTread.new : @pt

      @pt.user_id = User.current.id
      @pt.praise_tread_object_id = @obj.to_i
      @pt.praise_tread_object_type = User.find_by_id(@obj).class.name.underscore
      @pt.praise_or_tread = 1
      @pt.save

      #再创建或更新praise_tread_cache表
      @ptc = PraiseTreadCache.find_by_object_id(@obj)
      @ptc = @ptc.nil? ? PraiseTreadCache.new : @ptc
      @ptc.object_id = @obj.to_i
      @ptc.object_type = User.find_by_id(@obj).class.name.underscore
    @ptc.plus(1)
    @ptc.save
    end
    @obj = User.find_by_id(@obj)
    respond_to do |format|
      format.html
      format.js
    end
  end

  def praise_minus
    @obj = nil
    if request.get?
      @obj = params[:obj]  # 传的是对象，最后变成id了

      #首先更新praise_tread 表 删除关注记录
      @pt = PraiseTread.find_by_user_id_and_praise_tread_object_id_and_praise_tread_object_type(User.current.id,@obj,"user")
      @pt.delete

      #再更新praise_tread_cache表 使相应的记录减1 当为0时删除
      @ptc = PraiseTreadCache.find_by_object_id(@obj)
      @ptc.minus(1)
      if @ptc.praise_num == 0
      @ptc.delete
      end

    end
    @obj = User.find_by_id(@obj)
    respond_to do |format|
      format.html
      format.js
    end
  end

  def tread_plus

  end

  def tread_minus
    respond_to do |format|
      format.html
      format.js
    end
  end

end