require 'kramdown' require 'fileutils' require 'date' require 'rss' require 'find' require 'yaml' # Load configuration config = YAML.load_file('_config.yml') site_url = config['site_url'] site_name = config['site_name'] author_name = config['author_name'] posts_dir = config['directories']['posts'] pages_dir = config['directories']['pages'] public_dir = config['directories']['public'] output_dir = config['directories']['output'] posts_output_dir = config['directories']['posts_output'] pages_output_dir = config['directories']['pages_output'] header_file = config['files']['header'] footer_file = config['files']['footer'] root_index_file = config['files']['root_index'] posts_index_file = config['files']['posts_index'] rss_file = config['files']['rss'] post_count = config['misc']['post_count'] # Make sure output directories exist [posts_output_dir, pages_output_dir].each { |dir| FileUtils.mkdir_p(dir) } # Read the footer content footer_content = File.read(footer_file) # Replace the title meta tag in the header.html def replace_title_placeholder(header_content, title) header_content.gsub('{{TITLE}}', "#{title}") end # Grab the title from each markdown file def extract_title_from_md(lines) first_line = lines.first first_line&.start_with?('# ') ? first_line[2..-1].strip : 'Blog Index' end # Convert markdown files def process_markdown_files(input_directory, output_directory, header_content, footer_content) items = [] Find.find(input_directory) do |path| next unless path =~ /\.md\z/ md_content = File.read(path) lines = md_content.lines title = extract_title_from_md(lines) date = Date.parse(lines[2]&.strip || '') rescue Date.today html_content = Kramdown::Document.new(md_content).to_html relative_path = path.sub(input_directory + '/', '').sub('.md', '') item_dir = File.join(output_directory, relative_path) output_file = "#{item_dir}/index.html" FileUtils.mkdir_p(item_dir) header = replace_title_placeholder(header_content, title) File.write(output_file, header + html_content + footer_content) items << { title: title, date: date, link: relative_path + '/', content: html_content } end items end # Create the root index file def generate_index(posts, header_content, footer_content, root_index_file, post_count, output_dir, posts_dir) root_index_content = File.read(root_index_file) root_title = extract_title_from_md(root_index_content.lines) root_html = Kramdown::Document.new(root_index_content).to_html header = replace_title_placeholder(header_content, root_title) index_content = header + root_html + "\n

View all posts →

\n" + footer_content File.write("#{output_dir}/index.html", index_content) end # Create the full posts list page def generate_full_posts_list(posts, header_content, footer_content, posts_index_file, output_dir, posts_dir) posts_index_content = File.read(posts_index_file) posts_title = extract_title_from_md(posts_index_content.lines) posts_html = Kramdown::Document.new(posts_index_content).to_html header = replace_title_placeholder(header_content, posts_title) list_content = header + posts_html + "\n" + footer_content File.write("#{output_dir}/posts/index.html", list_content) end # Generate the RSS 2.0 feed def generate_rss(posts, rss_file, author_name, site_name, site_url, posts_dir) rss = RSS::Maker.make("2.0") do |maker| maker.channel.author = author_name maker.channel.updated = Time.now.to_s maker.channel.title = "#{site_name} RSS Feed" maker.channel.description = "The official RSS Feed for #{site_url}" maker.channel.link = site_url posts.each do |post| date = Date.parse(post[:date].to_s).to_time + 12*60*60 # Force time to midday item_link = "#{site_url}/#{posts_dir}/#{post[:link]}" item_title = post[:title] item_content = post[:content] maker.items.new_item do |item| item.link = item_link item.title = item_title item.updated = date.to_s item.pubDate = date.rfc822 item.description = item_content end end end File.write(rss_file, rss) end # Process header, posts, pages, etc. header_content = File.read(header_file) posts = process_markdown_files(posts_dir, posts_output_dir, header_content, footer_content).sort_by { |post| -post[:date].to_time.to_i } pages = process_markdown_files(pages_dir, pages_output_dir, header_content, footer_content) generate_index(posts, header_content, footer_content, root_index_file, post_count, output_dir, posts_dir) generate_full_posts_list(posts, header_content, footer_content, posts_index_file, output_dir, posts_dir) FileUtils.cp_r(public_dir, output_dir) generate_rss(posts, rss_file, author_name, site_name, site_url, posts_dir) puts "Blog built successfully in '#{output_dir}' folder. Have a great day!"