lib/uploadbox/image_uploader.rb in uploadbox-0.0.15 vs lib/uploadbox/image_uploader.rb in uploadbox-0.0.16

@@ -13,11 +13,14 @@
       options = options.select{ |key| default_options.keys.include? key }
 
       imageable_type = self.to_s
       upload_class_name = imageable_type + upload_name.to_s.camelize
       upload_class = Class.new(Image)
-      Uploadbox.const_set(upload_class_name, upload_class)
+      
+      unless Uploadbox.const_defined?(upload_class_name)
+        Uploadbox.const_set(upload_class_name, upload_class)
+      end
 
       # @post.picture?
       define_method("#{upload_name}?") do 
         upload = send("#{upload_name}_upload")
         upload and upload.file?
@@ -81,11 +84,13 @@
 
         default_scope -> { where(imageable_type: imageable_type).where(upload_name: upload_name.to_s) }
 
         # Uploabox::PostPictureUploader < UploadBox::ImgProcessing < CarrierWave
         dynamic_uploader = Class.new(Uploadbox::ImageProcessingUploader)
-        Uploadbox.const_set(self.name.demodulize + 'Uploader', dynamic_uploader)
+        unless Uplaodbox.const_defined?(self.name.demodulize + 'Uploader')
+          Uploadbox.const_set(self.name.demodulize + 'Uploader', dynamic_uploader)
+        end
         dynamic_uploader.class_eval do
           upload_versions.each do |version_name, dimensions|
             if options[:retina]
               dimensions = dimensions.map{ |d| d * 2 }
             end
@@ -132,11 +137,14 @@
       options = options.select{ |key| default_options.keys.include? key }
 
       imageable_type = self.to_s
       upload_class_name = imageable_type + upload_name.to_s.camelize
       upload_class = Class.new(Image)
-      Uploadbox.const_set(upload_class_name, upload_class)
+      
+      unless Uploadbox.const_defined?(upload_class_name)
+        Uploadbox.const_set(upload_class_name, upload_class)
+      end
 
       # @post.images?
       define_method("#{upload_name}?") do 
         upload = send(upload_name)
         upload and upload.any?
@@ -169,10 +177,12 @@
 
         default_scope -> { where(imageable_type: imageable_type).where(upload_name: upload_name.to_s) }
 
         # Uploabox::PostPictureUploader < UploadBox::ImgProcessing < CarrierWave
         dynamic_uploader = Class.new(Uploadbox::ImageProcessingUploader)
-        Uploadbox.const_set(self.name.demodulize + 'Uploader', dynamic_uploader)
+        Uploadbox.const_defined?(self.name.demodulize + 'Uploader')
+          Uploadbox.const_set(self.name.demodulize + 'Uploader', dynamic_uploader)
+        end
         dynamic_uploader.class_eval do
           upload_versions.each do |version_name, dimensions|
             if options[:retina]
               dimensions = dimensions.map{ |d| d * 2 }
             end