# encoding: utf-8 require 'carrierwave/processing/mini_magick' class AvatarUploader < CarrierWave::Uploader::Base include CarrierWave::ImageOptimizer include CarrierWave::MiniMagick # Include RMagick or MiniMagick support: # include CarrierWave::RMagick # include CarrierWave::MiniMagick # Choose what kind of storage to use for this uploader: storage :file process :optimize @@sizes = {:thumb => [120, 120], :icon => [48, 48], :preview => [360, 120], :normal => [512, 512]} # 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 "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 # # 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('_') # "http://placehold.it/" + (@@sizes[version_name] || [300, 300]).join('x') #end # Process files as they are uploaded: # process :scale => [200, 300] # #def scale(width, height) #end # Create different versions of your uploaded files: version :thumb do process :resize_to_fill => @@sizes[:thumb] end version :icon do process :resize_to_fill => @@sizes[:icon] end version :preview do process :resize_to_fit => @@sizes[:preview] end version :normal do process :resize_to_fit => @@sizes[:normal] 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 def image @image ||= MiniMagick::Image.open(file.path) end def is_landscape? image['width'] > (image['height'] * 1.25) end #def recreate_versions!(*versions) # if !current_path.nil? # current_path = "'" + (current_path || '') + "'" # end # super(*versions) #end # def manipulate! # cache_stored_file! if !cached? # image = ::MiniMagick::Image.open(current_path) # # begin # image.format(@format.to_s.downcase) if @format # image = yield(image) # image.write(current_path) # image.run_command("identify", '"' + current_path + '"') # ensure # image.destroy! # end # rescue ::MiniMagick::Error, ::MiniMagick::Invalid => e # default = I18n.translate(:"errors.messages.mini_magick_processing_error", :e => e, :locale => :en) # message = I18n.translate(:"errors.messages.mini_magick_processing_error", :e => e, :default => default) # raise CarrierWave::ProcessingError, message # end end