# encoding: utf-8 class ImageUploader < CarrierWave::Uploader::Base require 'mime/types' require 'carrierwave/processing/mini_magick' include Sprockets::Helpers::RailsHelper process :set_content_type # Include RMagick or ImageScience support: # include CarrierWave::RMagick # include CarrierWave::ImageScience include CarrierWave::MiniMagick def set_content_type(*args) content_type = file.content_type == ('binary/octet-stream' || 'application/octet-stream') || file.content_type.blank? ? MIME::Types.type_for(original_filename).first.to_s : file.content_type self.file.instance_variable_set(:@content_type, content_type) end # 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 "#{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 def default_url [version_name, (Site.first.default_image.file.url rescue "sign-in-logo.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_limit => [200, 200] 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 cache_dir "#{Rails.root}/tmp/uploads" end def manipulate! # cache_stored_file! if !cached? #raise File.extname(current_path.to_s).to_s # image = ::MiniMagick::Image.open(current_path) # image = yield(image) # image.write(current_path) # ::MiniMagick::Image.open(current_path) # rescue # nil end end