Added paper_trail, also starting work on the scheduler

app/controllers/admin/schedule_controller.rb

@@ -0,0 +1,13 @@
+class Admin::ScheduleController < ApplicationController
+  before_filter :verify_organizer
+  layout "schedule"
+
+  def show
+    @dates = @conference.start_date..@conference.end_date
+    @tracks = @conference.tracks
+  end
+
+  def update
+
+  end
+end

app/controllers/event_attachments_controller.rb

@@ -71,7 +71,8 @@ class EventAttachmentsController < ApplicationController
   end
 
   def update
-    @upload = EventAttachment.find(params[:proposal_id])
+    @proposal = current_user.person.events.find(params[:proposal_id])
+    @upload = @proposal.event_attachments.find(params[:proposal_id])
 
     respond_to do |format|
       if @upload.update_attributes(params[:upload])

app/controllers/proposal_controller.rb

@@ -25,7 +25,7 @@ class ProposalController < ApplicationController
     @event = @person.events.find_by_id(params[:id])
     @attachments = @event.event_attachments
 
-    if @event.nil?
+    if @event.nil? || !@conference.cfp_open?
       redirect_to(conference_proposal_index_path(:conference_id => @conference.short_title), :alert => 'Invalid proposal.')
     end
   end