trustieforge/app/controllers/blog_comments_controller.rb

class BlogCommentsController < ApplicationController
  include ApplicationHelper
  before_filter :find_user
  def index

  end
  def create
    if User.current.logged?
      @article = BlogComment.new
      @article.author = User.current
      @article.blog_id = params[:blog_id]
      @article.safe_attributes = params[:blog_comment]
      if request.post?
        @article.save_attachments(params[:attachments])
        if @article.save
          # 更新kindeditor上传的图片资源所有者
          # if params[:asset_id]
          #   ids = params[:asset_id].split(',')
          #   update_kindeditor_assets_owner ids,@article.id,OwnerTypeHelper::BLOGCOMMENT
          # end
          render_attachment_warning_if_needed(@article)
        else
        end
        redirect_to user_blogs_path(:user_id=>params[:user_id])
      else
        respond_to do |format|
          format.html {
            render :layout => 'new_base_user'
          }
        end
      end
    else
      redirect_to signin_path
    end
  end
  def new
    respond_to do |format|
      format.html {render :layout=>'new_base_user'}
    end
  end
  def show
    # 更新博客消息为已读
    update_messsages_to_viewed("BlogMessage", params[:blog_id])

    @article = BlogComment.find(params[:id])
    @replies = BlogComment.where("root_id = #{@article.id}").reorder("created_on desc")
    @reply_count = @replies.count
    @replies = get_no_children_comments_all @replies
    @limit_count = @replies.count
    @page = params[:page] ? params[:page].to_i + 1 : 0
    @limit = 10
    @replies = @replies[@page * @limit..@page * @limit + 9]
    respond_to do |format|
      format.js
      format.html {render :layout=>'new_base_user'}
    end
  end
  def update
    @article = BlogComment.find(params[:id])
    @article.safe_attributes = params[:blog_comment]
    @article.save_attachments(params[:attachments])
    if @article.save
      render_attachment_warning_if_needed(@article)
    else
    end
    if params[:in_act]
      redirect_to user_path(params[:user_id])
    else
      if @article.id.eql?(User.find(params[:user_id]).blog.homepage_id)
        redirect_to user_path(params[:user_id])
      else
        redirect_to user_blog_blog_comment_path(:user_id=>params[:user_id],:blog_id=>params[:blog_id],:id=>params[:id])
      end
    end
  end
  def destroy
    @article = BlogComment.find(params[:id])
    if @article.parent_id.nil? #如果是文章被删，那么跳转到用户博客界面，如果带了course_id过来，那么就要跳转到课程首页
      if params[:course_id] #如果带了课程id过来，说明这是课程大纲，不要删除，只需取消课程大纲就ok了
        @course = Course.find(params[:course_id])
        @course.outline = 0
        @course.save
        redirect_to course_path(:id=>params[:course_id])
      elsif params[:user_activity_id]
        @article.children.destroy
        @article.destroy
        redirect_to user_path(User.current.id)
      else
        @article.children.destroy
        @article.destroy
        redirect_to user_blogs_path(:user_id=>User.current)
      end

    else#如果是回复被删，
      if params[:course_id] #如果带了course_id过来了，那么这是要跳到课程大纲去的
        @article.destroy
        redirect_to syllabus_course_path(:id=>params[:course_id])
      elsif params[:user_activity_id]
        if params[:homepage] && params[:homepage] == "1"
          @in_user_homepage = true
        end
        @user_activity_id = params[:user_activity_id]
        @blog_comment = @article.root
        @article.destroy
        respond_to do |format|
          format.js
          return
        end
      else
        root = @article.root
        @article.destroy
        redirect_to user_blog_blog_comment_path(:user_id=>root.author_id,:blog_id=>root.blog_id,:id=>root.id)
      end

    end
  end

  def edit
    @article = BlogComment.find(params[:id])
    if User.current.admin? || User.current.id == @article.author_id
      respond_to do |format|
        format.html { render :layout => 'new_base_user' }
      end
    else
      render_403
    end
  end

  def quote
    @blogComment = BlogComment.find(params[:id])

    @temp = BlogComment.new
    @course_id = params[:course_id]
    respond_to do | format|
      format.js
    end
  end

  #回复
  def reply
    if params[:homepage] && params[:homepage] == "1"
      @in_user_homepage = true
    end
    if params[:in_user_center]
      @in_user_center = true
    end
    @article = BlogComment.find(params[:id]).root
    @blogComment = BlogComment.new
    @blogComment.author = User.current
    @blogComment.blog = Blog.find(params[:blog_id])
    params[:blog_comment][:sticky] = params[:blog_comment][:sticky] || 0
    params[:blog_comment][:locked] =  params[:blog_comment][:locked] || 0
    @blogComment.safe_attributes = params[:blog_comment]
    @blogComment.title = "RE: #{@article.title}" unless params[:blog_comment][:title]
    if params[:parent_id]
      @blogComment.content = params[:blog_comment][:content]
      parent = BlogComment.find params[:parent_id]
      @blogComment.reply_id = params[:id]
      @blogComment.root_id = parent.root_id.nil? ? parent.id : parent.root_id
      parent.children << @blogComment
    else
      @quote = params[:quote][:quote] || ""
      @blogComment.content = @quote + @blogComment.content
      @blogComment.root_id = @article.id
      @article.children << @blogComment
    end
    @article.save
    # @article.update_attribute(:updated_on, @blogComment.updated_on)
    @user_activity_id = params[:user_activity_id]
    user_activity = UserActivity.where("act_type='BlogComment' and act_id =#{@article.id}").first
    if user_activity
      user_activity.updated_at = Time.now
      user_activity.save
    end
    attachments = Attachment.attach_files(@blogComment, params[:attachments])
    render_attachment_warning_if_needed(@blogComment)
    #@article.save
   # redirect_to user_blogs_path(:user_id=>params[:user_id])
   # 给回复的人发消息
    reply_user_id = params[:reply_id].nil? ? @blogComment.blog.author_id: params[:reply_id].to_i
   # 回复的作业与评论的作者不是同一人则发送消息
    if ( params[:reply_id].nil? && @blogComment.author.id != @blogComment.blog.author_id )|| (!params[:reply_id].nil? && @blogComment.author.id != params[:reply_id].to_i)
      BlogMessage.create(:user_id => reply_user_id, :blog_id => params[:blog_id].to_i, :content => params[:blog_comment][:content],:blog_message_id => @blogComment.id, :blog_message_type => "BlogComment", :user_operator_id => @blogComment.author.id)
    end
    respond_to do |format|
      format.html {
        if params[:course_id] #如果呆了course_id过来了，那么这是要跳到课程大纲去的
          redirect_to syllabus_course_path(:id=>params[:course_id])
        else
          redirect_to user_blog_blog_comment_path( @article.author, :blog_id => @article.blog_id, :id => @article)
        end

      }
      format.js
    end
  rescue Exception => e #如果上面的代码执行发生异常就捕获
    flash[:notice] = e.message
  end

  private
  def find_user
    @user = User.find(params[:user_id])
  end
end