# encoding: utf-8 class CoverUploader < CarrierWave::Uploader::Base # Include RMagick or MiniMagick support: # include CarrierWave::RMagick include CarrierWave::MiniMagick include CarrierWave::MimeTypes include ::CarrierWave::Backgrounder::Delay # Choose what kind of storage to use for this uploader: if Rails.env.test? or Rails.env.cucumber? storage :file end if Rails.env.development? storage :file end if Rails.env.production? # Include the Sprockets helpers for Rails 3.1+ asset pipeline compatibility if using fog: # include Sprockets::Rails::Helper include Sprockets::Helpers storage :fog end process :set_content_type # 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/#{mounted_as}/#{model.id}" end def root "#{Rails.root}/public" end def cache_dir " ./tmp/uploads/#{mounted_as}/" end # Provide a default URL as a default if there hasn't been a file uploaded: # def default_url # # For Rails 3.1+ asset pipeline compatibility: # # ActionController::Base.helpers.asset_path("fallback/" + [version_name, "default.png"].compact.join('_')) # # "/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 :resize_to_fit => [300, 200] end version :mini do process :resize_to_fit => [150, 100] 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: # Avoid using model.id or version_name here, see uploader/store.rb for details. # def filename # "something.jpg" if original_filename # end end