class ThemeField < ActiveRecord::Base belongs_to :upload def self.types @types ||= Enum.new(html: 0, scss: 1, theme_upload_var: 2, theme_color_var: 3, theme_var: 4) end def self.theme_var_type_ids @theme_var_type_ids ||= [2, 3, 4] end COMPILER_VERSION = 5 belongs_to :theme def transpile(es6_source, version) template = Tilt::ES6ModuleTranspilerTemplate.new {} wrapped = < { #{es6_source} }); PLUGIN_API_JS template.babel_transpile(wrapped) end def process_html(html) errors = nil doc = Nokogiri::HTML.fragment(html) doc.css('script[type="text/x-handlebars"]').each do |node| name = node["name"] || node["data-template-name"] || "broken" is_raw = name =~ /\.raw$/ if is_raw template = "requirejs('discourse-common/lib/raw-handlebars').template(#{Barber::Precompiler.compile(node.inner_html)})" node.replace < (function() { Discourse.RAW_TEMPLATES[#{name.sub(/\.raw$/, '').inspect}] = #{template}; })(); COMPILED else template = "Ember.HTMLBars.template(#{Barber::Ember::Precompiler.compile(node.inner_html)})" node.replace < (function() { Ember.TEMPLATES[#{name.inspect}] = #{template}; })(); COMPILED end end doc.css('script[type="text/discourse-plugin"]').each do |node| if node['version'].present? begin code = transpile(node.inner_html, node['version']) node.replace("") rescue MiniRacer::RuntimeError => ex node.replace("") errors ||= [] errors << ex.message end end end [doc.to_s, errors&.join("\n")] end def self.guess_type(name) if html_fields.include?(name.to_s) types[:html] elsif scss_fields.include?(name.to_s) types[:scss] end end def self.html_fields @html_fields ||= %w(body_tag head_tag header footer after_header) end def self.scss_fields @scss_fields ||= %w(scss embedded_scss) end def ensure_baked! if ThemeField.html_fields.include?(self.name) if !self.value_baked || compiler_version != COMPILER_VERSION self.value_baked, self.error = process_html(self.value) self.compiler_version = COMPILER_VERSION if self.value_baked_changed? || compiler_version.changed? || self.error_changed? self.update_columns(value_baked: value_baked, compiler_version: compiler_version, error: error) end end end end def ensure_scss_compiles! if ThemeField.scss_fields.include?(self.name) begin Stylesheet::Compiler.compile("@import \"theme_variables\"; @import \"theme_field\";", "theme.scss", theme_field: self.value.dup, theme: self.theme ) self.error = nil unless error.nil? rescue SassC::SyntaxError => e self.error = e.message end if error_changed? update_columns(error: self.error) end end end def target_name Theme.targets.invert[target_id].to_s end before_save do if value_changed? && !value_baked_changed? self.value_baked = nil end end after_commit do ensure_baked! ensure_scss_compiles! Stylesheet::Manager.clear_theme_cache! if self.name.include?("scss") # TODO message for mobile vs desktop MessageBus.publish "/header-change/#{theme.key}", self.value if theme && self.name == "header" MessageBus.publish "/footer-change/#{theme.key}", self.value if theme && self.name == "footer" end end # == Schema Information # # Table name: theme_fields # # id :integer not null, primary key # theme_id :integer not null # target_id :integer not null # name :string(30) not null # value :text not null # value_baked :text # created_at :datetime not null # updated_at :datetime not null # compiler_version :integer default(0), not null # error :string # upload_id :integer # type_id :integer default(0), not null # # Indexes # # theme_field_unique_index (theme_id,target_id,type_id,name) UNIQUE #