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 node.nid, \
node.title, \
node_revisions.body, \
node.created, \
node.status, \
url_alias.dst \
FROM node, \
node_revisions, \
url_alias \
WHERE (node.type = 'blog' OR node.type = 'story') \
AND node.vid = node_revisions.vid \
AND url_alias.src = concat('node/',node.nid)"
def self.process(dbname, user, pass, host = 'localhost')
db = Sequel.mysql(dbname, :user => user, :password => pass, :host => host, :encoding => 'utf8')
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
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<meta http-equiv="refresh" content="0;url={{ page.refresh_to_post_id }}" />
</head>
</html>
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
url = post[:dst]
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 = {
'permalink' => url,
'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
FileUtils.mkdir_p "node/#{node_id}"
File.open("node/#{node_id}/index.md", "w") do |f|
f.puts "---"
f.puts "layout: refresh"
f.puts "refresh_to_post_id: /#{url}"
f.puts "---"
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