class ThemeAsset include Locomotive::Mongoid::Document ## fields ## field :local_path field :content_type field :width, :type => Integer field :height, :type => Integer field :size, :type => Integer field :folder, :default => nil field :hidden, :type => Boolean, :default => false mount_uploader :source, ThemeAssetUploader ## associations ## referenced_in :site ## indexes ## index :site_id index [[:site_id, Mongo::ASCENDING], [:local_path, Mongo::ASCENDING]] ## callbacks ## before_validation :store_plain_text before_save :sanitize_folder before_save :build_local_path ## validations ## validates_presence_of :site, :source validates_presence_of :plain_text_name, :if => Proc.new { |a| a.performing_plain_text? } validates_uniqueness_of :local_path, :scope => :site_id validates_integrity_of :source validate :content_type_can_not_changed ## named scopes ## scope :visible, lambda { |all| all ? {} : { :where => { :hidden => false } } } ## accessors ## attr_accessor :plain_text_name, :plain_text, :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 local_path(short = false) if short self.read_attribute(:local_path).gsub(/^#{self.content_type.pluralize}\//, '') else self.read_attribute(:local_path) end end def plain_text_name if not @plain_text_name_changed @plain_text_name ||= self.safe_source_filename end @plain_text_name.gsub(/(\.[a-z0-9A-Z]+)$/, '') rescue nil end def plain_text_name=(name) @plain_text_name_changed = true @plain_text_name = name end def plain_text @plain_text ||= self.source.read end def performing_plain_text? Boolean.set(self.performing_plain_text) || false end def store_plain_text data = self.performing_plain_text? ? self.plain_text : self.source.read return if !self.stylesheet_or_javascript? || self.plain_text_name.blank? || data.blank? sanitized_source = self.escape_shortcut_urls(data) self.source = CarrierWave::SanitizedFile.new({ :tempfile => StringIO.new(sanitized_source), :filename => "#{self.plain_text_name}.#{self.stylesheet? ? 'css' : 'js'}" }) end def to_liquid { :url => self.source.url }.merge(self.attributes) end protected def safe_source_filename self.source_filename || self.source.send(:original_filename) rescue nil end def sanitize_folder self.folder = self.content_type.pluralize if self.folder.blank? # no accents, no spaces, no leading and ending trails self.folder = ActiveSupport::Inflector.transliterate(self.folder).gsub(/(\s)+/, '_').gsub(/^\//, '').gsub(/\/$/, '').downcase # folder should begin by a root folder if (self.folder =~ /^(stylesheets|javascripts|images|media|fonts)/).nil? self.folder = File.join(self.content_type.pluralize, self.folder) end end def build_local_path self.local_path = File.join(self.folder, self.safe_source_filename) end def escape_shortcut_urls(text) return if text.blank? text.gsub(/[("'](\/(stylesheets|javascripts|images|media)\/((.+)\/)*([a-z_\-0-9]+)\.[a-z]{2,3})[)"']/) do |path| sanitized_path = path.gsub(/[("')]/, '').gsub(/^\//, '') if asset = self.site.theme_assets.where(:local_path => sanitized_path).first "#{path.first}#{asset.source.url}#{path.last}" else path end end end def content_type_can_not_changed self.errors.add(:source, :extname_changed) if !self.new_record? && self.content_type_changed? end end