Added code to check for previously uploaded custom images and delete them, the newly...

diff --git a/app/controllers/election_controller.rb b/app/controllers/election_controller.rb
index 072d4397a10247c2bd3929f2224d06a1317e1152..0b529b6f4630d76d8a7f6920c36bf24c15684d7c 100644 (file)
--- a/app/controllers/election_controller.rb
+++ b/app/controllers/election_controller.rb
@@ -88,26 +88,51 @@ class ElectionController < ApplicationController
   
   def add_theme(prefix)
     unless params[:top_bar][:uploaded_data].to_s.empty?
+      previous = SkinPicture.find(:first,
+      :conditions => ["filename = ?", @election.embed_custom_string + "top_bar.png"])
+      if previous
+        previous.destroy
+      end
       top_bar = SkinPicture.new(params[:top_bar])
       top_bar.filename = prefix + "top_bar." + params[:top_bar][:uploaded_data].content_type[6..-2]
       top_bar.save
     end
     unless params[:default_image][:uploaded_data].to_s.empty?
+      previous = SkinPicture.find(:first,
+      :conditions => ["filename = ?", @election.embed_custom_string + "default_image.png"])
+      if previous
+        previous.destroy
+      end
       default_image = SkinPicture.new(params[:default_image])
       default_image.filename = prefix + "default_image." + params[:default_image][:uploaded_data].content_type[6..-2]
       default_image.save
     end
     unless params[:bg1][:uploaded_data].to_s.empty?
+      previous = SkinPicture.find(:first,
+      :conditions => ["filename = ?", @election.embed_custom_string + "bg1.png"])
+      if previous
+        previous.destroy
+      end
       bg1 = SkinPicture.new(params[:bg1])  
       bg1.filename = prefix + "bg1." + params[:bg1][:uploaded_data].content_type[6..-2]
       bg1.save
     end
     unless params[:bg2][:uploaded_data].to_s.empty?
+      previous = SkinPicture.find(:first,
+      :conditions => ["filename = ?", @election.embed_custom_string + "bg2.png"])
+      if previous
+        previous.destroy
+      end
       bg2 = SkinPicture.new(params[:bg2]) 
       bg2.filename = prefix + "bg2." + params[:bg2][:uploaded_data].content_type[6..-2]
       bg2.save
     end
     unless params[:bottom_bar][:uploaded_data].to_s.empty?
+      previous = SkinPicture.find(:first,
+      :conditions => ["filename = ?", @election.embed_custom_string + "bottom_bar.png"])
+      if previous
+        previous.destroy
+      end
       bottom_bar = SkinPicture.new(params[:bottom_bar])
       bottom_bar.filename = prefix + "bottom_bar." + params[:bottom_bar][:uploaded_data].content_type[6..-2]
       bottom_bar.save