143 lines
3.8 KiB
Ruby
143 lines
3.8 KiB
Ruby
class ThemeAsset
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include Locomotive::Mongoid::Document
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## fields ##
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field :local_path
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field :content_type
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field :width, :type => Integer
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field :height, :type => Integer
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field :size, :type => Integer
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field :folder, :default => nil
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field :hidden, :type => Boolean, :default => false
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mount_uploader :source, ThemeAssetUploader
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## associations ##
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referenced_in :site
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## indexes ##
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index :site_id
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index [[:site_id, Mongo::ASCENDING], [:local_path, Mongo::ASCENDING]]
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## callbacks ##
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before_validation :store_plain_text
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before_save :sanitize_folder
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before_save :build_local_path
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## validations ##
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validates_presence_of :site, :source
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validates_presence_of :plain_text_name, :if => Proc.new { |a| a.performing_plain_text? }
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validates_uniqueness_of :local_path, :scope => :site_id
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validates_integrity_of :source
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validate :content_type_can_not_changed
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## named scopes ##
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scope :visible, lambda { |all| all ? {} : { :where => { :hidden => false } } }
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## accessors ##
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attr_accessor :plain_text_name, :plain_text, :performing_plain_text
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## methods ##
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%w{movie image stylesheet javascript font}.each do |type|
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define_method("#{type}?") do
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self.content_type.to_s == type
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end
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end
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def stylesheet_or_javascript?
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self.stylesheet? || self.javascript?
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end
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def local_path(short = false)
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if short
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self.read_attribute(:local_path).gsub(/^#{self.content_type.to_s.pluralize}\//, '')
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else
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self.read_attribute(:local_path)
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end
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end
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def plain_text_name
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if not @plain_text_name_changed
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@plain_text_name ||= self.safe_source_filename
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end
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@plain_text_name.gsub(/(\.[a-z0-9A-Z]+)$/, '') rescue nil
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end
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def plain_text_name=(name)
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@plain_text_name_changed = true
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@plain_text_name = name
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end
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def plain_text
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if RUBY_VERSION =~ /1\.9/
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@plain_text ||= (self.source.read.force_encoding('UTF-8') rescue nil)
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else
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@plain_text ||= self.source.read
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end
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end
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def performing_plain_text?
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Boolean.set(self.performing_plain_text) || false
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end
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def store_plain_text
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data = self.performing_plain_text? ? self.plain_text : self.source.read
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return if !self.stylesheet_or_javascript? || self.plain_text_name.blank? || data.blank?
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sanitized_source = self.escape_shortcut_urls(data)
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self.source = CarrierWave::SanitizedFile.new({
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:tempfile => StringIO.new(sanitized_source),
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:filename => "#{self.plain_text_name}.#{self.stylesheet? ? 'css' : 'js'}"
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})
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end
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def to_liquid
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{ :url => self.source.url }.merge(self.attributes)
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end
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protected
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def safe_source_filename
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self.source_filename || self.source.send(:original_filename) rescue nil
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end
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def sanitize_folder
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self.folder = self.content_type.to_s.pluralize if self.folder.blank?
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# no accents, no spaces, no leading and ending trails
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self.folder = ActiveSupport::Inflector.transliterate(self.folder).gsub(/(\s)+/, '_').gsub(/^\//, '').gsub(/\/$/, '').downcase
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# folder should begin by a root folder
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if (self.folder =~ /^(stylesheets|javascripts|images|media|fonts)/).nil?
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self.folder = File.join(self.content_type.to_s.pluralize, self.folder)
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end
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end
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def build_local_path
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self.local_path = File.join(self.folder, self.safe_source_filename)
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end
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def escape_shortcut_urls(text)
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return if text.blank?
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text.gsub(/[("'](\/(stylesheets|javascripts|images|media)\/((.+)\/)*([a-z_\-0-9]+)\.[a-z]{2,3})[)"']/) do |path|
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sanitized_path = path.gsub(/[("')]/, '').gsub(/^\//, '')
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if asset = self.site.theme_assets.where(:local_path => sanitized_path).first
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"#{path.first}#{asset.source.url}#{path.last}"
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else
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path
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end
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end
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end
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def content_type_can_not_changed
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self.errors.add(:source, :extname_changed) if !self.new_record? && self.content_type_changed?
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end
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end
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