require 'erb' require 'rss' module Nwiki module Frontend class App def initialize git_repo_path @builder = Rack::Builder.new { map '/articles.xml' do run Feed.new git_repo_path, articles_path: '/articles' end map '/articles' do run Html.new git_repo_path end } end def call env @builder.call env end end class Feed attr_reader :articles_path def initialize git_repo_path, opts = {} @wiki = Nwiki::Core::Wiki.new git_repo_path raise unless @wiki.exist? @articles_path = opts[:articles_path] || '' end def call env [ 200, { 'Content-Type' => "application/atom+xml; charset=#{Nwiki::Core::Wiki.repo_filename_encoding}" }, [ RSS::Maker.make('atom') { |maker| maker.channel.title = @wiki.title maker.channel.description = @wiki.subtitle maker.channel.link = Rack::Request.new(env).url maker.channel.author = @wiki.author maker.channel.date = Time.parse('2014-02-06') maker.channel.id = Rack::Request.new(env).url maker.items.do_sort = true maker.items.max_size = 50 log = @wiki.access.repo.log log.each do |commit| date = commit.date commit.show.each do |diff| next unless diff.new_file path = Nwiki::Core::Wiki.canonicalize_path(diff.b_path) path.gsub!(/\.org$/, '') maker.items.new_item do |item| item.link = Rack::Request.new(env).url.gsub(Regexp.new(Rack::Request.new(env).fullpath), "#{articles_path}/#{path}") item.title = File.basename(path) item.date = date end end end }.to_s ] ] end end class Html def initialize git_repo_path @wiki = Nwiki::Core::Wiki.new git_repo_path raise unless @wiki.exist? end def call env path_info = env["PATH_INFO"] page = @wiki.find path_info case page when Core::Page, Core::Directory [200, {"Content-Type" => "text/html; charset=#{page.encoding}"}, [html(page)]] when Core::File [200, {"Content-Type" => page.content_type}, [page.data]] else [404, {"Content-Type" => "text/plane"}, ["not found."]] end end def html page erb = ERB.new < <%= page.title %> - <%= @wiki.title %>

<%= @wiki.title %>

<%= @wiki.subtitle %>

<%= page.to_html %>

EOS erb.result(binding).force_encoding(page.encoding) end end end end