socialforge/app/controllers/files_controller.rb

#encoding: utf-8
# Redmine - project management software
# Copyright (C) 2006-2013  Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

class FilesController < ApplicationController

    layout 'base_projects' #by young

  menu_item :files
  before_filter :auth_login1, :only => [:index]
  before_filter :logged_user_by_apptoken,:only => [:index]
  before_filter :find_project_by_project_id#, :except => [:getattachtype]
  before_filter :authorize, :except => [:create,:getattachtype,:quote_resource_show,:search,:searchone4reload,:search_project,:quote_resource_show_project,:search_tag_attachment]

  helper :sort
  include SortHelper
  include FilesHelper
  helper :project_score
  include CoursesHelper
  include ApplicationHelper

  def show_attachments obj
    @attachments = []
    obj.each do |container|
      @attachments += container.attachments
    end
    @all_attachments = User.current.admin? ? @attachments : visable_attachemnts(@attachments)
    @limit = 10
    @feedback_count = @all_attachments.count
    @feedback_pages = Paginator.new @feedback_count, @limit, params['page']
    @offset ||= @feedback_pages.offset
    #@curse_attachments_all = @all_attachments[@offset, @limit]
    @obj_attachments = paginateHelper @all_attachments,10
  end

  def searchone4reload
    attachment = Attachment.find_by_id(params[:fileid]);
    respond_to do |format|
      format.html{render :layout => nil,:locals=>{:file=>attachment,:course=>@course}}
    end
  end

  def search
    sort = ""
    @sort = ""
    @order = ""
    @is_remote = true
    @q = params[:name].strip
    if params[:sort]
      order_by = params[:sort].split(":")
      @sort = order_by[0]
      if order_by.count > 1
        @order = order_by[1]
      end
      sort = "#{@sort} #{@order}"
    end
    # show_attachments [@course]
    begin
      q = "%#{params[:name].strip}%"
      #(redirect_to stores_url, :notice => l(:label_sumbit_empty);return) if params[:name].blank?
      if params[:insite]
        if q == "%%"
          @result = []
          @searched_attach = paginateHelper @result,10
        else
          @result = find_public_attache q,sort
          @result = visable_attachemnts_insite @result,@course
          @searched_attach = paginateHelper @result,10
        end
      else
        @result = find_course_attache q,@course,sort
        @result = visable_attachemnts @result
        @searched_attach = paginateHelper @result,10

        @tag_list = get_course_tag_list @course
      end
    #rescue Exception => e
    #  #render 'stores'
    #  redirect_to search_course_files_url
    end
  end

  def search_project
    sort = ""
    @sort = ""
    @order = ""
    @is_remote = true
    if params[:sort]
      order_by = params[:sort].split(":")
      @sort = order_by[0]
      if order_by.count > 1
        @order = order_by[1]
      end
      sort = "#{@sort} #{@order}"
    end
    begin
      q = "%#{params[:name].strip}%"
      #(redirect_to stores_url, :notice => l(:label_sumbit_empty);return) if params[:name].blank?
      if params[:insite]
        if q == "%%"
          @result = []
          @searched_attach = paginateHelper @result,10
        else
          @result = find_public_attache q,sort
          @result = visable_attachemnts_insite @result,@project
          @searched_attach = paginateHelper @result,10
        end
      else
        @result = find_project_attache q,@project,sort
        @result = visable_attachemnts @result
        @searched_attach = paginateHelper @result,10
      end

      #rescue Exception => e
      #  #render 'stores'
      #  redirect_to search_course_files_url
    end
  end

  def find_course_attache keywords,course,sort = ""
    if sort == ""
      sort =  "created_on DESC"
    end
    if keywords != "%%"
    resultSet = Attachment.where("attachments.container_type = 'Course' And attachments.container_id = '#{course.id}' AND filename LIKE :like ", like: "%#{keywords}%").
        reorder(sort)
    else
      resultSet = Attachment.where("attachments.container_type = 'Course' And attachments.container_id = '#{course.id}' "). reorder(sort)
    end
    #resultSet = Attachment.find_by_sql("SELECT `attachments`.* FROM `attachments` LEFT OUTER JOIN `homework_attaches` ON `attachments`.container_type = 'HomeworkAttach' AND `attachments`.container_id = `homework_attaches`.id LEFT OUTER JOIN `homework_for_courses` ON `homework_attaches`.bid_id = `homework_for_courses`.bid_id LEFT OUTER JOIN `homework_for_courses` AS H_C ON `attachments`.container_type = 'Bid' AND `attachments`.container_id = H_C.bid_id WHERE (`homework_for_courses`.course_id = 117 OR H_C.course_id = 117 OR (`attachments`.container_type = 'Course' AND `attachments`.container_id = 117)) AND `attachments`.filename LIKE '%#{keywords}%'").reorder("created_on DESC")
  end

  def find_project_attache keywords,project,sort = ""
    if sort == ""
      sort =  "created_on DESC"
    end
    ids = ""
    len = 0
    count = project.versions.count
    project.versions.each do |version|
      len = len + 1
      if len != count
        ids += version.id.to_s + ','
      else
        ids += version.id.to_s
      end
    end
    if ids.blank?
      resultSet = Attachment.where("attachments.container_type = 'Project' And attachments.container_id = '#{project.id}' AND filename LIKE :like ", like: "%#{keywords}%").
      reorder(sort)
    else
      resultSet = Attachment.where("((attachments.container_type = 'Project' And attachments.container_id = '#{project.id}') OR (container_type = 'Version' AND container_id IN (#{ids}))) AND filename LIKE :like ", like: "%#{keywords}%").
      reorder(sort)
    end
   end

  def find_public_attache keywords,sort = ""
    # StoresController#search 将每条文件都查出来，再次进行判断过滤。---> resultSet.to_a.map
    # 此时内容不多速度还可，但文件增长，每条判断多则进行3-4次表连接。
    # 现在还木有思路 药丸
    if sort == ""
      sort =  "created_on DESC"
    end
    resultSet = Attachment.where("attachments.container_type IS NOT NULL AND attachments.copy_from IS NULL AND filename LIKE :like ", like: "%#{keywords}%").
              reorder(sort)
  end

  def index
    @flag = params[:flag] || false
    sort = ""
    @sort = ""
    @order = ""
    @is_remote = false
    if params[:project_id]
      @isproject = true

      if params[:sort]
        params[:sort].split(",").each do |sort_type|
          order_by = sort_type.split(":")

          case order_by[0]
            when "filename"
              attribute = "filename"
            when "size"
              attribute = "filesize"
            when "attach_type"
              attribute = "attachtype"
            when "content_type"
              attribute = "created_on"
            when "field_file_dense"
              attribute = "is_public"
            when "downloads"
              attribute = "downloads"
            when "created_on"
              attribute = "created_on"
            when "quotes"
              attribute = "quotes"
            else
              attribute = "created_on"
          end
          @sort = order_by[0]
          @order = order_by[1]
          if order_by.count == 1 && attribute
            sort += "#{Attachment.table_name}.#{attribute} asc "
            if sort_type != params[:sort].split(",").last
              sort += ","
            end
          elsif order_by.count == 2 && order_by[1]
            sort += "#{Attachment.table_name}.#{attribute} #{order_by[1]} "
            if sort_type != params[:sort].split(",").last
              sort += ","
            end
          end
        end
      else
        sort = "#{Attachment.table_name}.created_on desc"
      end

      @containers = [ Project.includes(:attachments).find(@project.id)]
      @containers += @project.versions.includes(:attachments).all

      ids = []
      @containers.each do |c|
        ids += c.attachments.pluck(:id)
      end
      @containers = [Struct.new(:attachments).new(Attachment.where('id in (?)',ids).reorder(sort))]

      show_attachments @containers

      respond_to do |format|
        format.html
        format.js
      end
    elsif params[:course_id]
      @isproject = false

      if params[:sort]
        params[:sort].split(",").each do |sort_type|
          order_by = sort_type.split(":")

          case order_by[0]
            when "filename"
              attribute = "filename"
            when "size"
              attribute = "filesize"
            when "attach_type"
              attribute = "attachtype"
            when "content_type"
              attribute = "created_on"
            when "field_file_dense"
              attribute = "is_public"
            when "downloads"
              attribute = "downloads"
            when "created_on"
              attribute = "created_on"
            when "quotes"
              attribute = "quotes"
            else
            attribute = "created_on"
          end
          @sort = order_by[0]
          @order = order_by[1]
          if order_by.count == 1 && attribute
            sort += "#{Attachment.table_name}.#{attribute} asc "
            if sort_type != params[:sort].split(",").last
              sort += ","
            end
          elsif order_by.count == 2 && order_by[1]
            sort += "#{Attachment.table_name}.#{attribute} #{order_by[1]} "
            if sort_type != params[:sort].split(",").last
              sort += ","
            end
          end
        end
      else
        sort = "#{Attachment.table_name}.created_on desc"
      end

      @containers = [ Course.includes(:attachments).reorder(sort).find(@course.id)]

      show_attachments @containers

      @tag_list = attachment_tag_list @all_attachments

      render :layout => 'base_courses'
    end

  end

  def quote_resource_show
    @file = Attachment.find(params[:id])
    @can_quote = attachment_candown @file
  end

  def quote_resource_show_project
    @file = Attachment.find(params[:id])
    @can_quote = attachment_candown @file
  end

  def new
    @versions = @project.versions.sort
    @course_tag = @project.project_type
    if @project.project_type == 1
      render :layout => 'base_courses'
    end
  end

  def create
   if params[:add_tag]
     @addTag=true
     #render :back
      tag_saveEx
      #render :text =>"success"
      respond_to do |format|
       format.js
     end
   else
     #modify by nwb
     if @project
       @addTag=false
       if params[:in_project_toolbar]
         @in_project_toolbar = params[:in_project_toolbar]
       end
       container = (params[:version_id].blank? ? @project : @project.versions.find_by_id(params[:version_id]))
       attachments = Attachment.attach_filesex(container, params[:attachments], params[:attachment_type])
       render_attachment_warning_if_needed(container)

       if !attachments.empty? && !attachments[:files].blank? && Setting.notified_events.include?('file_added')
         Mailer.run.attachments_added(attachments[:files])
       end

       # TODO: 临时用 nyan
       sort_init 'created_on', 'desc'
       sort_update 'created_on' => "#{Attachment.table_name}.created_on",
                   'filename' => "#{Attachment.table_name}.filename",
                   'size' => "#{Attachment.table_name}.filesize",
                   'downloads' => "#{Attachment.table_name}.downloads"

       @containers = [Project.includes(:attachments).reorder("#{Attachment.table_name}.created_on DESC").find(@project.id)] #modify by Long Jun
       @containers += @project.versions.includes(:attachments).reorder("#{Attachment.table_name}.created_on DESC").all.sort

       show_attachments @containers

       @attachtype = 0
       @contenttype = 0

       respond_to do |format|
         format.js
         format.html {
           redirect_to project_files_url(@project)
         }
       end
     elsif @course
       @addTag=false
       if params[:in_course_toolbar]
         @in_course_toolbar =  params[:in_course_toolbar]
       end
       attachments = Attachment.attach_filesex(@course, params[:attachments], params[:attachment_type])

       if !attachments.empty? && !attachments[:files].blank? && Setting.notified_events.include?('file_added')
         Mailer.run.attachments_added(attachments[:files])
       end
       # 更新课程英雄榜得分
       update_contributor_score(@course, attachments[:files].first)
       # end
       if params[:course_attachment_type] && params[:course_attachment_type].is_a?(Array)
         params[:course_attachment_type].each do |type|
           tag_name = get_tag_name_by_type_number  type
           if !attachments.empty? && attachments[:files] && tag_name != ""
             attachments[:files].each do |attachment|
               attachment.tag_list.add(tag_name)
               attachment.save
             end
           end
         end
       else
         if params[:course_attachment_type] && params[:course_attachment_type] != "5"
           tag_name = get_tag_name_by_type_number  params[:course_attachment_type]
           if !attachments.empty? && attachments[:files] && tag_name != ""
             attachments[:files].each do |attachment|
               attachment.tag_list.add(tag_name)
               attachment.save
             end
           end
         end
       end


       # TODO: 临时用 nyan
       sort_init 'created_on', 'desc'
       sort_update 'created_on' => "#{Attachment.table_name}.created_on",
                   'filename' => "#{Attachment.table_name}.filename",
                   'size' => "#{Attachment.table_name}.filesize",
                   'downloads' => "#{Attachment.table_name}.downloads"

       @containers = [Course.includes(:attachments).reorder("#{Attachment.table_name}.created_on DESC").find(@course.id)]

       show_attachments @containers
       @tag_list = attachment_tag_list @all_attachments

       @attachtype = 0
       @contenttype = 0

       respond_to do |format|
         format.js
         format.html {
           redirect_to course_files_url(@course)
         }
       end
     end

   end
  end

  def update_contributor_score(course, file )
    unless  file.author.allowed_to?(:as_teacher, course)
      course_contributor_score = CourseContributorScore.where("course_id =? and user_id =?", course.id,  file.author.id).first
      if  course_contributor_score.nil?
        CourseContributorScore.create(:course_id => course.id, :user_id => file.author.id, :message_num => 0, :message_reply_num => 0,
                                      :news_reply_num => 0, :resource_num => 5, :journal_num => 0, :journal_reply_num => 0, :total_score => 5)
      else
        score = course_contributor_score.resource_num + 5
        total_score = course_contributor_score.total_score + 5
        course_contributor_score.update_attributes(:resource_num => score, :total_score => total_score)
      end
    end
  end

  def get_tag_name_by_type_number type
    case type
      when "1"
        tag_name = l(:label_courseware)
      when "2"
        tag_name = l(:label_software)
      when "3"
        tag_name = l(:label_media)
      when "4"
        tag_name = l(:label_code)
      when "6"
        tag_name = "论文"
      else
        tag_name = ""
    end
  end

  def tag_saveEx
    @tags = params[:tag_name][:name]
    @obj_id = params[:object_id]
    @obj_flag = params[:object_flag]

    case @obj_flag
      when '1' then
        @obj = User.find_by_id(@obj_id)
      when '2' then
        @obj = Project.find_by_id(@obj_id)
      when '3' then
        @obj = Issue.find_by_id(@obj_id)
      when '4' then
        @obj = Bid.find_by_id(@obj_id)
      when '5' then
        @obj = Forum.find_by_id(@obj_id)
      when '6'
        @obj = Attachment.find_by_id(@obj_id)
      when '7' then
        @obj = Contest.find_by_id(@obj_id)
      when '8'
        @obj = OpenSourceProject.find_by_id(@obj_id)
      when '9'
        @obj = Course.find_by_id(@obj_id)
      else
        @obj = nil
    end
    unless @obj.nil?
      @obj.tag_list.add(@tags.split(","))
    else
      return
    end
    if @obj.save
      ## 执行成功的操作。
    else
      #捕获异常
    end
   end

  # 返回指定资源类型的资源列表
  # added by nwb
  def getattachtype
    sort_init 'created_on', 'desc' 
    sort_update   'created_on' => "#{Attachment.table_name}.created_on", 
                  'filename' => "#{Attachment.table_name}.filename",
                  'size' => "#{Attachment.table_name}.filesize",
                  'downloads' => "#{Attachment.table_name}.downloads"
    sort=''

    if params[:sort]
      params[:sort].split(",").each do |sort_type|
        order_by = sort_type.split(":")

        case order_by[0]
          when "filename"
            attribute = "filename"
          when "size"
            attribute = "filesize"
          when "attach_type"
            attribute = "attachtype"
          when "content_type"
            attribute = "created_on"
          when "field_file_dense"
            attribute = "is_public"
          when "downloads"
            attribute = "downloads"
          when "created_on"
            attribute = "created_on"
        end

        if order_by.count == 1
          sort += "#{Attachment.table_name}.#{attribute} asc "
        elsif order_by.count == 2
          sort += "#{Attachment.table_name}.#{attribute} #{order_by[1]} "
        end
        if sort_type != params[:sort].split(",").last
          sort += ","
        end
      end
    end

   if @project
     @isproject = true
     @containers = [ Project.includes(:attachments).reorder("#{Attachment.table_name}.created_on DESC").find(@project.id)]
     @containers += @project.versions.includes(:attachments).reorder(sort).all
     show_attachments @containers
     @attachtype = params[:type].to_i
     @contenttype = params[:contentType].to_s
      respond_to do |format|
        format.js
       format.html {
         render :layout => 'base_projects'
       }
      end

   elsif @course
      @isproject = false
      @containers = [ Course.includes(:attachments).reorder(sort).find(@course.id)]
      show_attachments @containers
      @attachtype = params[:type].to_i
      @contenttype = params[:contentType].to_s
     # render layout:  'base_courses'
      respond_to do |format|
        format.js
        format.html {
          render :layout => 'base_courses'
        }
      end
   else
     show_attachments @containers
     @attachtype = params[:type].to_i
     @contenttype = params[:contentType].to_s

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

    #查找指定TAG的按条件过滤的资源列表，只有课程内搜索有此功能
  def search_tag_attachment
    @q,@tag_name,@order = params[:q],params[:tag_name]
    @is_remote = true
    if params[:sort]
      order_by = params[:sort].split(":")
      @sort = order_by[0]
      if order_by.count > 1
        @order = order_by[1]
      end
      sort = "#{@sort} #{@order}"
    end

    q = "%#{@q.strip}%"
    @result = find_course_attache q,@course,sort
    @result = visable_attachemnts @result
    @result = @result.select{|attachment| attachment.tag_list.include?(@tag_name)} unless @tag_name.blank?
    @searched_attach = paginateHelper @result,10
    @tag_list = get_course_tag_list @course

    respond_to do |format|
      format.js
      # format.html
    end
  end
end