class Screenshot < ActiveRecord::Base
  belongs_to :package, :inverse_of=>:screenshots

  default_scope {
    order('uploaddatetime DESC')
  }

  has_attached_file :image,
    styles: { :large => "800x600>", :thumb => "160x120>" },
    default_url: "/images/dummy/no-screenshots-upload-one.svg"
    #path: :rails_root/public/system/:class/:attachment/:id_partition/:style/:filename
  validates_attachment_content_type :image, :content_type => /\Aimage\/png\Z/

  # Return caption for full-screen screenshots.
  # Takes the description of a screenshot if available.
  # Otherwise it falls back to the general description of its package.
  def caption
    if self.description != ''
      self.description
    else
      self.package.description
    end
  end

  def uploader
    # TODO: Implement the ownership of images
    "Anonymous"
  end

  def status
    text = ''
    # Completes the sentence: "This image…"
    if self.approved
      text <<'is public'
    else
      text <<'has to be moderated before being publicly visible'
    end

    if self.markedfordelete
      text <<' (and was requested to be removed)'
    end

    text
  end
end