require 'rubygems' require 'sequel' require 'fileutils' require 'yaml' # NOTE: This converter requires Sequel and the MySQL gems. # The MySQL gem can be difficult to install on OS X. Once you have MySQL # installed, running the following commands should work: # $ sudo gem install sequel # $ sudo gem install mysql -- --with-mysql-config=/usr/local/mysql/bin/mysql_config module Jekyll module Drupal # Reads a MySQL database via Sequel and creates a post file for each post # in wp_posts that has post_status = 'publish'. This restriction is made # because 'draft' posts are not guaranteed to have valid dates. QUERY = "SELECT n.nid, \ n.title, \ nr.body, \ n.created, \ n.status \ FROM node AS n, \ node_revisions AS nr \ WHERE (n.type = 'blog' OR n.type = 'story') \ AND n.vid = nr.vid" def self.process(dbname, user, pass, host = 'localhost', prefix = '') db = Sequel.mysql(dbname, :user => user, :password => pass, :host => host, :encoding => 'utf8') if prefix != '' QUERY[" node "] = " " + prefix + "node " QUERY[" node_revisions "] = " " + prefix + "node_revisions " end FileUtils.mkdir_p "_posts" FileUtils.mkdir_p "_drafts" # Create the refresh layout # Change the refresh url if you customized your permalink config File.open("_layouts/refresh.html", "w") do |f| f.puts < EOF end db[QUERY].each do |post| # Get required fields and construct Jekyll compatible name node_id = post[:nid] title = post[:title] content = post[:body] created = post[:created] time = Time.at(created) is_published = post[:status] == 1 dir = is_published ? "_posts" : "_drafts" slug = title.strip.downcase.gsub(/(&|&)/, ' and ').gsub(/[\s\.\/\\]/, '-').gsub(/[^\w-]/, '').gsub(/[-_]{2,}/, '-').gsub(/^[-_]/, '').gsub(/[-_]$/, '') name = time.strftime("%Y-%m-%d-") + slug + '.md' # Get the relevant fields as a hash, delete empty fields and convert # to YAML for the header data = { 'layout' => 'post', 'title' => title.to_s, 'created' => created, }.delete_if { |k,v| v.nil? || v == ''}.to_yaml # Write out the data and content to file File.open("#{dir}/#{name}", "w") do |f| f.puts data f.puts "---" f.puts content end # Make a file to redirect from the old Drupal URL if is_published aliases = db["SELECT dst FROM #{prefix}url_alias WHERE src = ?", "node/#{node_id}"].all aliases.push(:dst => "node/#{node_id}") aliases.each do |url_alias| FileUtils.mkdir_p url_alias[:dst] File.open("#{url_alias[:dst]}/index.md", "w") do |f| f.puts "---" f.puts "layout: refresh" f.puts "refresh_to_post_id: /#{time.strftime("%Y/%m/%d/") + slug}" f.puts "---" end end end end # TODO: Make dirs & files for nodes of type 'page' # Make refresh pages for these as well # TODO: Make refresh dirs & files according to entries in url_alias table end end end