class ThemeAsset include Locomotive::Mongoid::Document ## Extensions ## include Models::Extensions::Asset::Vignette ## fields ## field :slug field :content_type field :width, :type => Integer field :height, :type => Integer field :size, :type => Integer field :plain_text mount_uploader :source, ThemeAssetUploader ## associations ## belongs_to_related :site ## callbacks ## before_validation :sanitize_slug before_validation :store_plain_text before_save :set_slug ## validations ## validate :extname_can_not_be_changed validates_presence_of :site, :source validates_presence_of :slug, :if => Proc.new { |a| a.new_record? && a.performing_plain_text? } validates_uniqueness_of :slug, :scope => [:site_id, :content_type] validates_integrity_of :source ## accessors ## attr_accessor :performing_plain_text ## methods ## %w{movie image stylesheet javascript font}.each do |type| define_method("#{type}?") do self.content_type == type end end def stylesheet_or_javascript? self.stylesheet? || self.javascript? end def plain_text if self.stylesheet_or_javascript? self.plain_text = self.source.read if read_attribute(:plain_text).blank? read_attribute(:plain_text) else nil end end def plain_text=(source) self.performing_plain_text = true if self.performing_plain_text.nil? write_attribute(:plain_text, source) end def performing_plain_text? return true if !self.new_record? && self.stylesheet_or_javascript? && self.errors.empty? !(self.performing_plain_text.blank? || self.performing_plain_text == 'false' || self.performing_plain_text == false) end def store_plain_text return if self.plain_text.blank? # replace /theme// occurences by the real amazon S3 url or local files sanitized_source = self.plain_text.gsub(/(\/theme\/([a-z]+)\/([a-z_\-0-9]+)\.[a-z]{2,3})/) do |url| content_type, slug = url.split('/')[2..-1] content_type = content_type.singularize slug = slug.split('.').first if asset = self.site.theme_assets.where(:content_type => content_type, :slug => slug).first asset.source.url else url end end self.source = CarrierWave::SanitizedFile.new({ :tempfile => StringIO.new(sanitized_source), :filename => "#{self.slug}.#{self.stylesheet? ? 'css' : 'js'}" }) end def shortcut_url # ex: /theme/stylesheets/application.css is a shortcut for a theme asset (content_type => stylesheet, slug => 'application') File.join('/theme', self.content_type.pluralize, "#{self.slug}#{File.extname(self.source_filename)}") rescue '' end def to_liquid { :url => self.source.url }.merge(self.attributes) end protected def sanitize_slug self.slug.slugify!(:underscore => true) if self.slug.present? end def set_slug if self.slug.blank? self.slug = File.basename(self.source_filename, File.extname(self.source_filename)) self.sanitize_slug end end def extname_can_not_be_changed return if self.new_record? if File.extname(self.source.file.original_filename) != File.extname(self.source_filename) self.errors.add(:source, :extname_changed) end end end