转html改为转pdf

app/controllers/attachments_controller.rb

@@ -62,6 +62,10 @@ class AttachmentsController < ApplicationController
     render :action => 'file'
   end
 
+  def pdf?(file)
+    file.downcase.end_with?(".pdf")
+  end
+
   def download
     # modify by nwb
     # 下载添加权限设置
@@ -69,9 +73,12 @@ class AttachmentsController < ApplicationController
     if candown || User.current.admin? || User.current.id == @attachment.author_id
       @attachment.increment_download
       if stale?(:etag => @attachment.digest)
-        convered_file = File.join(Rails.root, "files", "convered_office", @attachment.disk_filename + ".html")
-        if File.exist?(convered_file)
-          send_file convered_file,  :type => 'text/html; charset=utf-8', :disposition => 'inline'
+        convered_file = @attachment.disk_filename
+        unless pdf?(convered_file)
+          convered_file = File.join(Rails.root, "files", "convered_office", @attachment.disk_filename + ".pdf")
+        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),

lib/trustie/utils/office.rb

@@ -7,7 +7,7 @@ module Trustie
       end
 
       def office?
-        %w(doc docx ppt pptx xls xlsx pdf).any?{|word| @file.downcase.end_with?(word)}
+        %w(doc docx ppt pptx xls xlsx).any?{|word| @file.downcase.end_with?(word)}
       end
 
       def conver(saved_file, force=false)
@@ -21,8 +21,11 @@ module Trustie
                   :open_timeout => -1
                 )
                 req = resource.post :txtDes => File.new(@file, 'rb')
-                File.open(saved_file, "wb+") do |f|
-                  f.write(req.body)
+                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|
+                    f.write(req.body)
+                  end
                 end
                 return true
               rescue =>e