转换变为既时转换

app/controllers/attachments_controller.rb

@@ -66,6 +66,12 @@ class AttachmentsController < ApplicationController
     file.downcase.end_with?(".pdf")
   end
 
+  def direct_download
+    send_file @attachment.diskfile, :filename => filename_for_content_disposition(@attachment.filename),
+      :type => detect_content_type(@attachment),
+      :disposition => 'attachment'    #inline can open in browser
+  end
+
   def download
     # modify by nwb
     # 下载添加权限设置
@@ -73,23 +79,30 @@ class AttachmentsController < ApplicationController
     if candown || User.current.admin? || User.current.id == @attachment.author_id
       @attachment.increment_download
       if stale?(:etag => @attachment.digest)
+        if params[:force] == 'true'
+          direct_download
+        else
           convered_file = @attachment.diskfile
+          #如果本身不是pdf文件，则先寻找是不是已转换化，如果没有则转化
           unless pdf?(convered_file)
             convered_file = File.join(Rails.root, "files", "convered_office", @attachment.disk_filename + ".pdf")
+            unless File.exist?(convered_file)
+              office = Trustie::Utils::Office.new(@attachment.diskfile)
+              office.conver(convered_file)
+            end
           end
           if File.exist?(convered_file) && pdf?(convered_file)
             send_file convered_file,  :type => 'application/pdf; charset=utf-8', :disposition => 'inline'
           else
-          send_file @attachment.diskfile, :filename => filename_for_content_disposition(@attachment.filename),
-            :type => detect_content_type(@attachment),
-            :disposition => 'attachment'    #inline can open in browser
+            direct_download
+          end
         end
       end
     else
       render_403 :message => :notice_not_authorized
     end
   rescue => e
-    redirect_to "http:  //" + (Setting.host_name.to_s) +"/file_not_found.html"
+    redirect_to "http://" + (Setting.host_name.to_s) +"/file_not_found.html"
   end
 
   #更新资源文件类型

app/models/attachment.rb

@@ -259,13 +259,14 @@ class Attachment < ActiveRecord::Base
   end
 
   def office_conver
-    return unless %w(Project Course).include? (self.container_type)
-    saved_path = File.join(Rails.root, "files", "convered_office")
-    unless Dir.exist?(saved_path)
-      Dir.mkdir(saved_path)
-    end
-    convered_file = File.join(saved_path, self.disk_filename + ".pdf")
-    OfficeConverTask.new.conver(self.diskfile, convered_file)
+    # 不在这里做后台转换，换为点击时做转换
+    # return unless %w(Project Course).include? (self.container_type)
+    # saved_path = File.join(Rails.root, "files", "convered_office")
+    # unless Dir.exist?(saved_path)
+    #   Dir.mkdir(saved_path)
+    # end
+    # convered_file = File.join(saved_path, self.disk_filename + ".pdf")
+    # OfficeConverTask.new.conver(self.diskfile, convered_file)
   end
 
   # Copies the temporary file to its final location

app/views/files/_project_file_list.html.erb

@@ -30,6 +30,7 @@
               <% else %>
                   <%= link_to(l(:label_slected_to_project),quote_resource_show_project_project_file_path(project,file),:class => "f_l re_select",:remote => true) if has_project?(User.current,file) %>
               <% end %>
+              <%= link_to '下载',download_named_attachment_path(file.id, file.filename, force: true),class: 'f_l re_open'  %>
           <% end %>
         </div>
         <div class="cl"></div>

lib/trustie/utils/office.rb

@@ -17,12 +17,13 @@ module Trustie
           if File.exist? @file
             if office?
               begin
-                resource = RestClient::Resource.new(
-                 'http://192.168.80.107/Any2HtmlHandler.ashx',
-                  :timeout => -1,
-                  :open_timeout => -1
-                )
-                req = resource.post :txtDes => File.new(@file, 'rb')
+                # resource = RestClient::Resource.new(
+                #  'http://192.168.80.107/Any2HtmlHandler.ashx',
+                #   :timeout => -1,
+                #   :open_timeout => -1
+                # )
+                # req = resource.post :txtDes => File.new(@file, 'rb')
+                req = RestClient.post 'http://192.168.80.107/Any2HtmlHandler.ashx',:txtDes => File.new(@file, 'rb')
                 File.delete(saved_file) if File.exist?(saved_file)
                 if req.body.length > 10 && !req.body.eql?('转换出错')
                   File.open(saved_file, "wb+") do |f|