engine/app/models/theme_asset.rb
2010-10-10 16:37:34 +02:00

147 lines
4.1 KiB
Ruby

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_validation :sanitize_folder
before_validation :build_local_path
## validations ##
validates_presence_of :site, :source
validates_presence_of :plain_text_name, :if => Proc.new { |a| puts "===> performing_plain_text? = #{a.performing_plain_text?}"; 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, :where => { :hidden => false }
## accessors ##
attr_accessor :plain_text_name, :plain_text, :performing_plain_text #, :new_file
## methods ##
# def source=(new_file)
# super
# @new_source = true
# end
%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_name
if not @plain_text_name_changed
@plain_text_name ||= self.safe_source_filename
end
@plain_text_name.gsub(/(\.[a-z0-9A-Z]+)$/, '') rescue nil
end
def plain_text_name=(name)
@plain_text_name_changed = true
@plain_text_name = name
end
def plain_text
if not self.performing_plain_text? #not @plain_text_changed
@plain_text ||= self.source.read rescue nil
end
@plain_text
end
# def plain_text=(source)
# # @plain_text_changed = true
# # self.performing_plain_text = true unless source.blank?
# @plain_text = source
# end
def performing_plain_text?
Boolean.set(self.performing_plain_text) || false
end
def store_plain_text
return if !self.stylesheet_or_javascript? || self.plain_text_name.blank? || self.plain_text.blank?
sanitized_source = self.escape_shortcut_urls(self.plain_text)
# puts "================"
# puts self.source.instance_variable_get(:@original_file).inspect
self.source = CarrierWave::SanitizedFile.new({
:tempfile => StringIO.new(sanitized_source),
:filename => "#{self.plain_text_name}.#{self.stylesheet? ? 'css' : 'js'}"
})
end
def to_liquid
{ :url => self.source.url }.merge(self.attributes)
end
protected
def safe_source_filename
self.source_filename || self.source.send(:original_filename) rescue nil
end
def sanitize_folder
self.folder = self.content_type.pluralize if self.folder.blank?
# no accents, no spaces, no leading and ending trails
self.folder = ActiveSupport::Inflector.transliterate(self.folder).gsub(/(\s)+/, '_').gsub(/^\//, '').gsub(/\/$/, '').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
# puts "self.source_filename = #{self.source_filename} / #{self.safe_source_filename} / #{File.join(self.folder, self.safe_source_filename)}"
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