fix it so gem version works in both rails 3 and 3.1

lib/app/middleware/plupload_params_renamer.rb

@@ -7,25 +7,28 @@ def initialize(app)
 
     def call(env)
       req = Rack::Request.new(env)
-      if req.POST["_plupload_upload"]
-        object, method = req.params["_plupload_upload"].split(/[\[\]]/)
-        submethod =  req.params["_plupload_upload"].split(/[\[\]]/)[-1]
-        req.params[object] ||= {} 
-        if req.POST["_plupload_files"]
-          req.params[object][method] = []
-          req.POST["_plupload_files"].each_with_index do |file, i|
+      form_hash = Rails.version < "3.1" ? req.POST : env['rack.request.form_hash']
+      form_hash ||= {}
+
+      if form_hash["_plupload_upload"]
+        object, method = form_hash["_plupload_upload"].split(/[\[\]]/)
+        submethod =  form_hash["_plupload_upload"].split(/[\[\]]/)[-1]
+        form_hash[object] ||= {} 
+        if form_hash["_plupload_files"]
+          form_hash[object][method] = []
+          form_hash["_plupload_files"].each_with_index do |file, i|
             plupload_temp_path = "tmp/plupload-rails3/#{File.basename(file)}"
             FileUtils.mv(plupload_temp_path, file)
 
-            original_filename = req.POST["_plupload_original_names"][i]
-            content_type = req.POST["_plupload_content_types"][i]
+            original_filename = form_hash["_plupload_original_names"][i]
+            content_type = form_hash["_plupload_content_types"][i]
 
             uploaded_file = ActionDispatch::Http::UploadedFile.new(:tempfile=>File.new(file), :content_type=>content_type, :filename=>original_filename)
 
-            req.params[object][method] << {submethod=>uploaded_file}
+            form_hash[object][method] << {submethod=>uploaded_file}
           end
         else
-          req.params[object][method] = req.params["file"] 
+          form_hash[object][method] = form_hash["file"] 
         end
       end 
 

lib/plupload-rails3/asset_mover.rb

@@ -20,12 +20,12 @@ def plupload_asset_destination
 def install_plupload_assets  
   plupload_asset_destination.keys.each do |asset_type|
     directory = File.join(Rails.root, plupload_asset_destination[asset_type])
-    puts "Making directory: #{directory}"
+    puts "Making directory: #{directory}/plupload-rails3"
     FileUtils.mkdir_p(directory)
   end
 
   dest = File.join(Rails.root, plupload_asset_destination[:img])
-  puts "Copying image assets to #{dest}"
+  puts "Copying image assets to #{dest}/plupload-rails3"
   FileUtils.cp_r(File.join(File.dirname(__FILE__), '../public/images/plupload-rails3'), dest)
 
   dest = File.join(Rails.root, plupload_asset_destination[:js])

lib/plupload-rails3/railtie.rb

@@ -1,7 +1,7 @@
 module PluploadRails3
   class Railtie < Rails::Railtie
     initializer "plupload-rails3.configure_middleware" do |app|
-      app.middleware.insert_before(ActionDispatch::ParamsParser, ActionDispatch::PluploadParamsRenamer)
+      app.middleware.use ActionDispatch::PluploadParamsRenamer
     end
 
     rake_tasks do