Cloudinary and CarrierWave

avatar_uploader.rb

class AvatarUploader < CarrierWave::Uploader::Base
  # include CarrierWave::RMagick
  
  # configure do |config|
  #   config.remove_previously_stored_files_after_update = false
  # end
  
  include Cloudinary::CarrierWave

  process :convert => 'jpg' #converts all images to pngs
  process :tags => ['user_avatar'] #tags can be used to create sprites later

  version :profile do
    # process :resize_to_fill => [100, 100, :north]
    cloudinary_transformation(width: 140, height: 140, crop: "fill", gravity: "faces", default_image: "avatar2.jpg")
  end
  
  version :nav do
    cloudinary_transformation(width: 50, height: 50, crop: "fill", gravity: "faces", default_image: "avatar2.jpg")
  end
  
  version :thumbnail do
    # process :resize_to_fit => [25, 25]
    cloudinary_transformation(width: 25, height: 25, crop: "thumb", gravity: "faces", default_image: "avatar2.jpg")
  end

  # def public_id
  #   return model.id
  # end
    
  # Provide a default URL as a default if there hasn't been a file uploaded:
  # def default_url
  #   "/images/noimage.png"
  # 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

end