require_dependency 'git_importer' require_dependency 'upload_creator' class RemoteTheme < ActiveRecord::Base ALLOWED_FIELDS = %w{scss embedded_scss head_tag header after_header body_tag footer} has_one :theme def self.import_theme(url, user = Discourse.system_user) importer = GitImporter.new(url) importer.import! theme_info = JSON.parse(importer["about.json"]) theme = Theme.new(user_id: user&.id || -1, name: theme_info["name"]) remote_theme = new theme.remote_theme = remote_theme remote_theme.remote_url = importer.url remote_theme.update_from_remote(importer) theme.save! theme ensure begin importer.cleanup! rescue => e Rails.logger.warn("Failed cleanup remote git #{e}") end end def update_remote_version importer = GitImporter.new(remote_url) importer.import! self.updated_at = Time.zone.now self.remote_version, self.commits_behind = importer.commits_since(remote_version) end def update_from_remote(importer = nil) return unless remote_url cleanup = false unless importer cleanup = true importer = GitImporter.new(remote_url) importer.import! end theme_info = JSON.parse(importer["about.json"]) theme_info["assets"]&.each do |name, relative_path| if path = importer.real_path(relative_path) upload = UploadCreator.new(File.open(path), File.basename(relative_path), for_theme: true).create_for(theme.user_id) theme.set_field(target: :common, name: name, type: :theme_upload_var, upload_id: upload.id) end end theme_info["fields"]&.each do |name, info| unless Hash === info info = { "target" => :common, "type" => :theme_var, "value" => info } end if info["type"] == "color" info["type"] = :theme_color_var end theme.set_field(target: info["target"] || :common, name: name, value: info["value"], type: info["type"] || :theme_var) end Theme.targets.keys.each do |target| ALLOWED_FIELDS.each do |field| lookup = if field == "scss" "#{target}.scss" elsif field == "embedded_scss" && target == :common "embedded.scss" else "#{field}.html" end value = importer["#{target}/#{lookup}"] theme.set_field(target: target.to_sym, name: field, value: value) end end self.license_url ||= theme_info["license_url"] self.about_url ||= theme_info["about_url"] self.remote_updated_at = Time.zone.now self.remote_version = importer.version self.local_version = importer.version self.commits_behind = 0 update_theme_color_schemes(theme, theme_info["color_schemes"]) self ensure begin importer.cleanup! if cleanup rescue => e Rails.logger.warn("Failed cleanup remote git #{e}") end end def normalize_override(hex) return unless hex override = hex.downcase if override !~ /\A[0-9a-f]{6}\z/ override = nil end override end def update_theme_color_schemes(theme, schemes) return if schemes.blank? schemes.each do |name, colors| existing = theme.color_schemes.find_by(name: name) if existing existing.colors.each do |c| override = normalize_override(colors[c.name]) if override && c.hex != override c.hex = override theme.notify_color_change(c) end end else scheme = theme.color_schemes.build(name: name) ColorScheme.base.colors_hashes.each do |color| override = normalize_override(colors[color[:name]]) scheme.color_scheme_colors << ColorSchemeColor.new(name: color[:name], hex: override || color[:hex]) end end end end end # == Schema Information # # Table name: remote_themes # # id :integer not null, primary key # remote_url :string not null # remote_version :string # local_version :string # about_url :string # license_url :string # commits_behind :integer # remote_updated_at :datetime # created_at :datetime not null # updated_at :datetime not null #