class GprsUploader < CarrierWave::Uploader::Base # Include RMagick or ImageScience support: # include CarrierWave::RMagick # include CarrierWave::ImageScience include CarrierWave::MiniMagick # Choose what kind of storage to use for this uploader: # storage :file # storage :s3 # 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 "gprs/#{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: # process :scale => [200, 300] # # def scale(width, height) # # do something # end # Create different versions of your uploaded files: # version :thumb do # process :scale => [50, 50] # end version :thumb do process :resize_to_fill => [150, 120] 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: # def filename # "something.jpg" if original_filename # end # def manipulate! # raise current_path.inspect # image = ::MiniMagick::Image.open(current_path) # image = yield(image) # image.write(current_path) # ::MiniMagick::Image.open(current_path) # rescue ::MiniMagick::Error, ::MiniMagick::Invalid => e # raise CarrierWave::ProcessingError.new("Failed to manipulate with MiniMagick, maybe it is not an image? Original Error: #{e}") # end end