app/models/quadro/asset/cover.rb
module Quadro
class Asset::Cover < Asset
# attributes
store :settings, accessors: [:width, :height, :alt]
# attr_accessible :width, :height, :alt
has_attached_file :attachment, styles: { thumb: '200x200#', small: '800x600>', medium: '1024x768>', large: '1280x1024>' }, default_url: 'quadro/missing/cover/:style.png', use_timestamp: false
# validations
validates :alt, length: { maximum: 60 }
validates_attachment :attachment, content_type: { content_type: ['image/jpg', 'image/jpeg', 'image/png', 'image/gif'] }
# methods
class << self
def short_name
'cover'
end
end
end
end