class EventBackgroundImageUploader < CarrierWave::Uploader::Base # Include RMagick or MiniMagick support: # include CarrierWave::RMagick include CarrierWave::MiniMagick # Include the Sprockets helpers for Rails 3.1+ asset pipeline compatibility: # include Sprockets::Helpers::RailsHelper # include Sprockets::Helpers::IsolatedHelper # 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/events/#{mounted_as}/#{model.id}" 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: return Image::DefaultCampaignUrl 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 :normal do process :resize_to_fill => [1000, 600] 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 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 def cache_dir "#{Rails.root}/tmp/uploads" end end