# encoding: utf-8
module Tienda
  class ImageUploader < CarrierWave::Uploader::Base

    include CarrierWave::MiniMagick

    storage :aws

    # 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('_')
    # 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 :resize_to_fit => [50, 50]
    # 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

    # You can find full list of custom headers in AWS SDK documentation on
    # AWS::S3::S3Object
    def download_url(filename)
      url(response_content_disposition: %Q{attachment; filename="#{filename}"})
    end

  end
end