Clean code and new image uploader

app/models/design/image.rb

@@ -1,3 +1,5 @@
 class Image < DesignFile
   embedded_in :design
+  
+  mount_uploader :file, ImageUploader
 end

app/uploaders/design_file_uploader.rb.to_be_delete

@@ -1,47 +0,0 @@
-# encoding: utf-8
-
-class DesignFileUploader < CarrierWave::Uploader::Base
-
-  # Include RMagick or ImageScience support:
-  # include CarrierWave::RMagick
-  # include CarrierWave::ImageScience
-
-  # Choose what kind of storage to use for this uploader:
-  # storage :file
-  # storage :s3
-
-  # Override the directory where uploaded files will be stored.
-  # This is a sensible default for uploaders that are meant to be mounted:
-  def store_dir
-   "assets/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
-  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('_')
-  # end
-
-  # Process files as they are uploaded:
-  # process :scale => [200, 300]
-  #
-  # def scale(width, height)
-  #   # do something
-  # end
-
-  # Create different versions of your uploaded files:
-  # version :thumb do
-  #   process :scale => [50, 50]
-  # end
-
-  # Add a white list of extensions which are allowed to be uploaded.
-  # For images you might use something like this:
-  # def extension_white_list
-  #   %w(jpg jpeg gif png)
-  # end
-
-  # Override the filename of the uploaded files:
-  # def filename
-  #   "something.jpg" if original_filename
-  # end
-
-end

app/uploaders/image_uploader.rb

@@ -1,10 +1,20 @@
 # encoding: utf-8
 
-class DesignFileUploader < CarrierWave::Uploader::Base
+class ImageUploader < CarrierWave::Uploader::Base
+
+  require 'mime/types'
+  
+  process :set_content_type
 
   # Include RMagick or ImageScience support:
   # include CarrierWave::RMagick
   # include CarrierWave::ImageScience
+  include CarrierWave::MiniMagick
+    
+  def set_content_type(*args)
+    content_type = file.content_type == 'binary/octet-stream' || 'application/octet-stream' || file.content_type.blank? ? MIME::Types.type_for(original_filename).first.to_s : file.content_type
+    self.file.instance_variable_set(:@content_type, content_type)
+  end
 
   # Choose what kind of storage to use for this uploader:
   # storage :file
@@ -13,7 +23,7 @@ class DesignFileUploader < CarrierWave::Uploader::Base
   # Override the directory where uploaded files will be stored.
   # This is a sensible default for uploaders that are meant to be mounted:
   def store_dir
-   "assets/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
+    "image/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
   end
 
   # Provide a default URL as a default if there hasn't been a file uploaded:
@@ -32,6 +42,10 @@ class DesignFileUploader < CarrierWave::Uploader::Base
   # version :thumb do
   #   process :scale => [50, 50]
   # end
+  
+  version :thumb do
+    process :resize_to_fit => [200, 200]
+  end
 
   # Add a white list of extensions which are allowed to be uploaded.
   # For images you might use something like this:
@@ -43,5 +57,15 @@ class DesignFileUploader < CarrierWave::Uploader::Base
   # def filename
   #   "something.jpg" if original_filename
   # end
+  
+#  def manipulate!
+#    raise current_path.inspect
+#    image = ::MiniMagick::Image.open(current_path)
+#    image = yield(image)
+#    image.write(current_path)
+#    ::MiniMagick::Image.open(current_path)
+#  rescue ::MiniMagick::Error, ::MiniMagick::Invalid => e
+#    raise CarrierWave::ProcessingError.new("Failed to manipulate with MiniMagick, maybe it is not an image? Original Error: #{e}")
+#  end
 
 end

lib/parser.rb

@@ -65,8 +65,8 @@ module Parser
       end
       c.define_tag 'stylesheets' do |tag|
         res = ''
-        res << "<link href='#{page.design.reset_css.file.url}' rel='stylesheet' type='text/css' />"
+        res << "<link href='#{page.design.reset_css.file.url}' rel='stylesheet' type='text/css' />" if page.design.reset_css
-        res << "<link href='#{page.design.default_css.file.url}' rel='stylesheet' type='text/css' /> "
+        res << "<link href='#{page.design.default_css.file.url}' rel='stylesheet' type='text/css' /> " if page.design.default_css
         theme = page.design.themes.detect{ |d| d.id == page.theme_id  }
         res << "<link href='#{theme.file.url}' rel='stylesheet' type='text/css' />" if theme
         res