fix orientation problem

app/uploaders/gallery_uploader.rb

@@ -32,6 +32,11 @@ class GalleryUploader < CarrierWave::Uploader::Base
     "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
   end
 
+  def fix_exif_rotation 
+    manipulate! do |img|
+      img.tap(&:auto_orient)
+    end
+  end
   # Provide a default URL as a default if there hasn't been a file uploaded:
   # def default_url
   #   "/images/fallback/" + [version_name, "default.png"].compact.join('_')
@@ -50,14 +55,17 @@ class GalleryUploader < CarrierWave::Uploader::Base
   # end
   
   version :thumb do
+    process :fix_exif_rotation
     process :resize_to_fill => [200, 200]
   end
 
   version :theater do
+    process :fix_exif_rotation
     process :resize_to_limit => [1920, 1080]
   end
 
   version :mobile do
+    process :fix_exif_rotation
     process :resize_to_limit => [1152, 768]
   end