class ProfileHeaderUploader < CarrierWave::Uploader::Base include CarrierWave::Compatibility::Paperclip include CarrierWave::MiniMagick # Choose what kind of storage to use for this uploader: storage :fog # 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 "/system/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(*args) # For Rails 3.1+ asset pipeline compatibility: # ActionController::Base.helpers.asset_path("fallback/" + [version_name, "default.png"].compact.join('_')) "/images/header/" + [version_name, "no_header.jpg"].compact.join('/') end version :web do process resize_to_fit: [1500, 350] end version :mobile do process resize_to_fit: [450, 105] end version :retina do process resize_to_fit: [900, 210] end # Add a white list of extensions which are allowed to be uploaded. # For images you might use something like this: # def extension_whitelist # %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