jordantomax · May 9, 2013 18:50 · May 9, 2013
diff --git a/carrierwave.rake b/carrierwave.rake
@@ -0,0 +1,8 @@
+task :update_images => :environment do
+  WorkImage.all.each do |model|
+    if model.image.present?
+      model.image.recreate_versions!
+      model.save
+    end
+  end
+end
diff --git a/image_uploader.rb b/image_uploader.rb
@@ -0,0 +1,63 @@
+class ImageUploader < CarrierWave::Uploader::Base
+  include CarrierWave::RMagick
+
+  storage :file
+
+  # 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
+    "uploads/#{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:
+
+  version :display, :if => :not_thumbnail? do
+    process :resize_to_fit => [875, 1500]
+  end
+
+  version :thumbnail, :if => :thumbnail? do
+    process :resize_to_fit => [150, 200]
+    process :sepiatone
+  end
+
+  process :store_geometry
+
+  def thumbnail? file
+    model.thumbnail_enabled?
+  end
+
+  def not_thumbnail? file
+    !model.thumbnail_enabled?
+  end
+
+  def store_geometry
+    if @file && model
+      img = ::Magick::Image::read(@file.file).first
+      model.width = img.columns
+      model.height = img.rows
+    end
+  end
+
+  def sepiatone
+    manipulate! do |img|
+      # Convert the color image to monochrome
+      img = img.quantize(256, Magick::GRAYColorspace).colorize(0.30, 0.30, 0.30, '#cc9933')
+    end
+  end
+
+  # white list
+  def extension_white_list
+    %w(jpg jpeg gif png)
+  end
+
+  # Override the filename of the uploaded files:
+  # Avoid using model.id or version_name here, see uploader/store.rb for details.
+  # def filename
+  #   "something.jpg" if original_filename
+  # end
+end