class TbCommerce::Image < ActiveRecord::Base
  self.table_name = 'tb_commerce_images'

  has_many :image_links, :foreign_key => :tb_commerce_image_id
  accepts_nested_attributes_for :image_links
  
  has_attached_file :image,
    :styles => lambda { |attachment| attachment.instance.dynamic_styles },
    :convert_options => TbCommerce.config.image_convert_options,
    :source_file_options => TbCommerce.config.image_file_options,
    :storage => TbCommerce.config.paperclip_storage,
    :url => TbCommerce.config.image_storage_url,
    :path => TbCommerce.config.image_storage_path

  validates_attachment_presence :image
  validates_attachment_content_type :image, content_type: /\Aimage\/.*\Z/

  def dynamic_styles
    admin_styles = {
      :tb_commerce_small => {:geometry => '125x125#', :format => :jpg, :image_file_options => '-density 72', :image_convert_options => '-strip -quality 85'},
      :tb_commerce_medium => {:geometry => '220x220', :format => :jpg, :image_file_options => '-density 72', :image_convert_options => '-strip -quality 85'}
    }
    return admin_styles.merge(TbCommerce.config.image_sizes)
  end
end