|  |  | # encoding: utf-8
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							|  |  | # Trustie - education management software
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							|  |  | # Copyright (C) 2013-2014
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							|  |  | class StoresController < ApplicationController
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							|  |  |   layout 'base_stores'
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							|  |  | 
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							|  |  |   def search
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							|  |  |     begin
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							|  |  |     q = "%#{params[:name].strip}%"
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							|  |  |     (redirect_to stores_url, :notice => l(:label_sumbit_empty);return) if params[:name].blank?
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							|  |  | 
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							|  |  |     result = find_public_attache q
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							|  |  |     @searched_attach = paginateHelper result
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							|  |  |     @result_all_count = result.count;
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							|  |  |     rescue Exception => e
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							|  |  |       #render 'stores'
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							|  |  |       redirect_to stores_url
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							|  |  |   end
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							|  |  | 
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							|  |  |   end
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							|  |  | 
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							|  |  |   def find_public_attache keywords
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							|  |  |     # StoresController#search 将每条文件都查出来,再次进行判断过滤。---> resultSet.to_a.map
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							|  |  |     # 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。
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							|  |  |     # 现在还木有思路 药丸
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							|  |  |     resultSet = Attachment.where("attachments.container_type IS NOT NULL AND filename LIKE :like ", like: "%#{keywords}%").
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							|  |  |               reorder("created_on DESC")
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							|  |  |     
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							|  |  |     result = resultSet.to_a.dup
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							|  |  | 
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							|  |  |     resultSet.to_a.map { |res|
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							|  |  |        if(res.container.nil? ||
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							|  |  |          (res.container.class.to_s=="Project" && res.container.is_public == false) ||
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							|  |  |          (res.container.has_attribute?(:project) && res.container.project.is_public == false) ||
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							|  |  |          (res.container.class.to_s=="HomeworkAttach" && res.container.bid.reward_type == 3) ||
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							|  |  |          false
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							|  |  |          ) || (res.container.is_a?(Course) && res.container.is_public == 0)
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							|  |  |          result.delete(res)
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							|  |  |        end
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							|  |  |     }
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							|  |  |     result
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							|  |  |   end
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							|  |  | 
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							|  |  |   LIMIT = 12 unless const_defined?(:LIMIT)
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							|  |  |   def index
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							|  |  |     @projects_attach = project_classification(0).take(LIMIT)
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							|  |  |     @courses_attach = Attachment.includes(:course).where("courses.is_public = 1").
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							|  |  |                       where(container_type: 'Course').
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							|  |  |                       limit(LIMIT)
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							|  |  |     # @projects_attach = Attachment.includes(:project).where("projects.project_type=? AND projects.is_public = ?", 0, 1).
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							|  |  |     #           reorder("#{Attachment.table_name}.downloads DESC").
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							|  |  |     #           limit(LIMIT)
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							|  |  | 
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							|  |  |     # @courses_attach = Attachment.includes(:project).where("projects.project_type=? AND projects.is_public = ?", 1, 1).
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							|  |  |     #           reorder("#{Attachment.table_name}.downloads DESC").
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							|  |  |     #           limit(LIMIT)
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							|  |  |     # 悲剧 下面竞赛里没文件
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							|  |  |     # @homeworks_attach = Attachment.
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							|  |  |     #           joins("LEFT JOIN homework_attaches ON homework_attaches.id=attachments.container_id
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							|  |  |     #                   LEFT JOIN bids ON homework_attaches.bid_id=bids.id").
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							|  |  |     #           where("container_type = 'HomeworkAttach' AND bids.reward_type <> 3").
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							|  |  |     # 					reorder("downloads DESC").
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							|  |  |     # 					limit(LIMIT)
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							|  |  |     @homeworks_attach = join_tools_project Message, 0
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							|  |  |     @memos_attach = Attachment.where("container_type = 'Memo'").
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							|  |  |     					reorder("downloads DESC").
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							|  |  |     					limit(LIMIT)
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							|  |  |     @attach_array = Array.new
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							|  |  |     @attach_array.push(@projects_attach, @courses_attach, @homeworks_attach, @memos_attach)
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							|  |  |     @str_arr = [ l(:label_project_deposit), 
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							|  |  |                l(:label_course_practice), 
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							|  |  |                l(:label_borad_project), #l(:label_contest_innovate),
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							|  |  |                l(:label_forum) ]
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							|  |  |   end
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							|  |  |   #缺失文件列表
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							|  |  |   def lost_file
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							|  |  |     attachments = []
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							|  |  |     Attachment.where("container_id is not null and container_type is not null and container_type <> 'Bid' and container_type <> 'HomeworkAttach'").each do |attachment|
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							|  |  |       unless File.exist?(attachment.diskfile)
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							|  |  |         attachments << attachment
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							|  |  |       end
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							|  |  |     end
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							|  |  |     respond_to do |format|
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							|  |  |       format.xls {
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							|  |  |         send_data(homework_to_xls(attachments), :type => "text/excel;charset=utf-8; header=present",
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							|  |  |                   :filename => filename_for_content_disposition("#{l(:label_file_lost_list)}.xls") )
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							|  |  |       }
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							|  |  |     end
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							|  |  |   end
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							|  |  |   
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							|  |  |   private
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							|  |  | 
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							|  |  |   def project_classification project_type=0
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							|  |  |   	# pro_attach   = Attachment.joins("LEFT JOIN projects ON attachments.container_id = projects.id").
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							|  |  |   	# 				where("attachments.container_type='Project' AND projects.is_public=1 AND projects.project_type=#{project_type}").
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							|  |  |   	# 				reorder("downloads DESC").
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							|  |  |   	# 				limit(LIMIT)
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							|  |  |     pro_attach   = join_tools_project Project, project_type
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							|  |  |     doc_attach   = join_tools_project Document, project_type
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							|  |  |     issue_attach = join_tools_project Issue, project_type
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							|  |  |     mess_attach  = []#join_tools_project Message, project_type
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							|  |  |     news_attach  = join_tools_project News, project_type
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							|  |  |     vers_attach  = join_tools_project Version, project_type
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							|  |  |     wiki_attach  = join_tools_project WikiPage, project_type
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							|  |  | 
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							|  |  |     tmp = pro_attach
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							|  |  |     tmp = pro_attach+doc_attach+issue_attach+mess_attach+news_attach+vers_attach+wiki_attach
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							|  |  |   	tmp.sort { |a, b| b.downloads <=> a.downloads }
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							|  |  |   end
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							|  |  |   def join_tools_project tableName, project_type=0
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							|  |  |   	Attachment.joins(str_join_table(tableName)).
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							|  |  |   		where("attachments.container_type='#{tableName.to_s}' AND projects.is_public=1 AND projects.project_type=#{project_type}").
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							|  |  |   		reorder('downloads DESC').
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							|  |  |   		limit(LIMIT)
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							|  |  |   end
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							|  |  | 
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							|  |  |   def str_join_table tableClass
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							|  |  |     case tableClass.to_s
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							|  |  |     when 'Project'
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							|  |  |       "LEFT JOIN projects ON attachments.container_id = projects.id"
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							|  |  |     when 'Document', 'Issue', 'Version', 'News' # 连接子表即有 project_id 字段,即两层连接
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							|  |  |       "LEFT JOIN #{tableClass.table_name} ON attachments.container_id = #{tableClass.table_name}.id 
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							|  |  |         LEFT JOIN projects ON #{tableClass.table_name}.project_id = projects.id"
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							|  |  |     when 'Message' # 三层连接
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							|  |  |       "LEFT JOIN #{tableClass.table_name} ON attachments.container_id = #{tableClass.table_name}.id
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							|  |  |         LEFT JOIN boards ON boards.id = #{tableClass.table_name}.board_id
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							|  |  |         LEFT JOIN projects ON boards.project_id = projects.id"
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							|  |  |     when 'WikiPage'# 三层连接
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							|  |  |       "LEFT JOIN #{tableClass.table_name} ON attachments.container_id = #{tableClass.table_name}.id
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							|  |  |         LEFT JOIN wikis ON wikis.id = #{tableClass.table_name}.wiki_id
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							|  |  |         LEFT JOIN projects ON wikis.project_id = projects.id"
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							|  |  |     else
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							|  |  |     end
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							|  |  |   end
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							|  |  | 
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							|  |  |   #作品列表转换为excel
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							|  |  |   def homework_to_xls attachments
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							|  |  |     xls_report = StringIO.new
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							|  |  |     book = Spreadsheet::Workbook.new
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							|  |  |     sheet1 = book.create_worksheet :name => "homework"
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							|  |  |     blue = Spreadsheet::Format.new :color => :blue, :weight => :bold, :size => 10
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							|  |  |     sheet1.row(0).default_format = blue
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							|  |  |     sheet1.row(0).concat(["文件ID","文件名","硬盘路径","上传时间","是否公开","所属对象","所属对象Id"])
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							|  |  |     count_row = 1
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							|  |  |     attachments.each do |attachment|
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							|  |  |       sheet1[count_row,0] = attachment.id
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							|  |  |       sheet1[count_row,1] = attachment.filename
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							|  |  |       sheet1[count_row,2] = attachment.diskfile
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							|  |  |       sheet1[count_row,3] = format_time(attachment.created_on)
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							|  |  |       sheet1[count_row,4] = (attachment.is_public == 1 || attachment.is_public) ? "是" :"否"
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							|  |  |       sheet1[count_row,5] = attachment.container_type
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							|  |  |       sheet1[count_row,6] = attachment.container_id
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							|  |  |       count_row += 1
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							|  |  |     end
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							|  |  |     book.write xls_report
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							|  |  |     xls_report.string
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							|  |  |   end
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							|  |  | end
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