trustieforge/app/controllers/memos_controller.rb

class MemosController < ApplicationController
  default_search_scope :memos
  before_filter :find_forum, :only => [:new, :create, :preview]
  before_filter :find_attachments, :only => [:preview]
  before_filter :find_memo, :except => [:new, :create, :preview]
  before_filter :authenticate_user_edit, :only => [:edit, :update]
  before_filter :authenticate_user_destroy, :only => [:destroy]
  before_filter :require_login, :only => [:new, :create]
  
  helper :attachments
  include AttachmentsHelper
  include ApplicationHelper

  # layout 'base_memos'

  def quote
    # @subject = @memo.subject
    # @subject = "RE: #{@subject}" unless @subject.starts_with?('RE:')
    #
    # @content = "#{ll(Setting.default_language, :text_user_wrote, @memo.author)} <br/> &nbsp; "
    # @content << @memo.content.to_s.strip.gsub(%r{<pre>((.|\s)*?)</pre>}m, '[...]').gsub(/(\r?\n|\r\n?)/, "\n") + "</blockquote>\n\n<br/>"
    # @content = "<blockquote style='word-break: break-all;word-wrap: break-word;'>" << @content
    # #@content = "> #{ll(Setting.default_language, :text_user_wrote, @memo.author)}\n> "
    # #@content << @memo.content.to_s.strip.gsub(%r{<pre>((.|\s)*?)</pre>}m, '[...]').gsub(/(\r?\n|\r\n?)/, "\n> ") + "\n\n"
    # #@content_html = textilizable(@content)
    # @temp = Memo.new
    # @temp.content = @content
  end

  def new
    @memo = Memo.new
    @memo.forum_id = @forum.id

    respond_to do |format|
      format.html {
        render action: :new ,layout: 'base'
      }
      format.json { render json: @memo }
    end
  end
  
  def create

    if params[:quote].nil?
      @quote = ""
    else
      @quote = params[:quote]
    end



    #unless params[:quote].nil?
    #  @quote = params[:quote][:quote]
    #end

    @memo = Memo.new(params[:memo])
    @memo.forum_id = params[:forum_id]
    @memo.author_id = User.current.id

    if params[:memo][:parent_id]
      @memo.root_id = (Memo.find params[:memo][:parent_id]).root_id.nil? ? params[:memo][:parent_id].to_i : (Memo.find params[:memo][:parent_id]).root_id
    end

    @memo.save_attachments(params[:attachments] || (params[:memo] && params[:memo][:uploads]))
    @memo.content = @quote + @memo.content
    respond_to do |format|
      if @memo.save
        # Time 2015-03-24 14:47:05
        # Author lizanle
        # Description after save后需要进行资源记录的更新
        # owner_type = 1 对应的是 memo
        if !params[:asset_id].nil?
          ids = params[:asset_id].split(',')
          ids.each do |id|
            asset = Kindeditor::Asset.find(id.to_i)
            asset.owner_id = @memo.id
            asset.owner_type = 1
            asset.save
          end
        end
        #end
          format.js
          format.html { redirect_to back_memo_url, notice: "#{l :label_memo_create_succ}" }
          format.json { render json: @memo, status: :created, location: @memo }
      else
        flash.now[:error] = "#{l :label_memo_create_fail}: #{@memo.errors.full_messages[0]}"
          format.js
          format.html { redirect_to( forum_path(Forum.find(params[:forum_id]),:errors=>@memo.errors.full_messages[0])) }
          format.json { render json: @memo.errors, status: :unprocessable_entity }
        #end

      end
    end
  end
  
  REPLIES_PER_PAGE = 20 unless const_defined?(:REPLIES_PER_PAGE)
  def show

    # 更新贴吧帖子留言对应的memo_messages的viewed字段
    unless @memo.children.blank?
      @memo.children.each do |child|
        child.memo_messages.each do |memo_message|
          if User.current.id == memo_message.user_id
            memo_message.update_attributes(:viewed => true)
          end
        end
      end
    end
    query_memo_messages = @memo.memo_messages
    query_memo_messages.each do |query_memo_message|
      if User.current.id == query_memo_message.user_id
        query_memo_message.update_attributes(:viewed => true)
      end
    end

    pre_count = REPLIES_PER_PAGE
    @memo = @memo.root # 取出楼主，防止输入帖子id让回复作为主贴显示
    @memo.update_column(:viewed_count, (@memo.viewed_count.to_i + 1))

    # page = params[:page]
    # if params[:r] && page.nil?
    #   offset = @memo.children.where("#{Memo.table_name}.id < ?", params[:r].to_i).count
    #   page = 1 + offset / pre_count
    # else
    # end

    # @reply_count = @memo.children.count
    # @reply_pages = Paginator.new @reply_count, pre_count, page
    # @replies = @memo.children.
    #             includes(:author, :attachments).
    #             reorder("#{Memo.table_name}.created_at DESC").
    #             limit(@reply_pages.per_page).
    #             offset(@reply_pages.offset).
    #             all

    @replies = Memo.where("root_id = #{@memo.id}").reorder("created_at 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]

    @memo_new = Memo.new

    @my_topic_count =   Memo.where("forum_id = #{@memo.forum_id} and author_id = #{User.current.id} and parent_id is null").count
    @my_replies_count =  Memo.where("forum_id = #{@memo.forum_id} and author_id = #{User.current.id} and parent_id is not null").count
    
    respond_to do |format|
      format.js
      format.html {render :layout=> 'base_forums'}#:layout=> 'base_forums',
      format.json { render json: @memo }
      format.xml { render xml: @memo }
    end
  end

  def edit
    @my_topic_count =   Memo.where("forum_id = #{@memo.forum_id} and author_id = #{User.current.id} and parent_id is null").count
    @my_replies_count =  Memo.where("forum_id = #{@memo.forum_id} and author_id = #{User.current.id} and parent_id is not null").count
    @replying = false
    respond_to do |format|
      format.html {render :layout=>'base_forums'}
    end
  end

  def update
    @flag = false
    respond_to do |format|
      if( #@memo.update_column(:subject, params[:memo][:subject]) &&
           @memo.update_column(:content, params[:memo][:content]) &&
           @memo.update_column(:sticky, params[:memo][:sticky]) &&
           @memo.update_column(:lock, params[:memo][:lock]) &&
           @memo.update_column(:subject,params[:memo][:subject]) &&
           @memo.update_column(:updated_at,Time.now))
        @memo.save_attachments(params[:attachments] || (params[:memo] && params[:memo][:uploads]))
        @flag = @memo.save
        # @memo.root.update_attribute(:updated_at, @memo.updated_at)
        format.js
        format.html {redirect_to back_memo_url, notice: "#{l :label_memo_create_succ}"}
      else
        format.js
        format.html { render action: "edit" }
        format.json { render json: @person.errors, status: :unprocessable_entity }
      end
    end
  end

  def destroy
    @memo.destroy

    respond_to do |format|
      # format.html { redirect_to @back_url }
      format.html { redirect_to back_memo_or_forum_url }
      format.json { head :no_content }
    end
  end

  private

  def find_memo
    return unless find_forum
    #@memo = @forum.memos.find(params[:id])
    @memo = Memo.find(params[:id])
  rescue ActiveRecord::RecordNotFound
    render_404
    nil
  end

  def find_forum
    @forum = Forum.find(params[:forum_id])
  rescue ActiveRecord::RecordNotFound
    render_404
    nil
  end

  def authenticate_user_edit
    find_memo
    render_403 unless @memo.editable_by? User.current
  end

  def authenticate_user_destroy
    find_memo
    render_403 unless @memo.destroyable_by? User.current
  end

  def back_memo_url
    forum_memo_path(@forum, (@memo.root.nil? ? @memo : @memo.root))
  end

  def back_memo_or_forum_url
    @memo.parent_id.nil? ? forum_url(@forum) : forum_memo_url(@forum, @memo.parent_id)
  end

end