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require 'rubygems' | ||
require 'sequel' | ||
require 'fileutils' | ||
require 'yaml' | ||
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# 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 | ||
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module Jekyll | ||
module Drupal | ||
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# 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 FROM node, node_revisions WHERE (node.type = 'blog' OR node.type = 'story') AND node.vid = node_revisions.vid" | ||
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def self.process(dbname, user, pass, host = 'localhost') | ||
db = Sequel.mysql(dbname, :user => user, :password => pass, :host => host, :encoding => 'utf8') | ||
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FileUtils.mkdir_p "_posts" | ||
FileUtils.mkdir_p "_drafts" | ||
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# 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 }}.html" /> | ||
</head> | ||
</html> | ||
EOF | ||
end | ||
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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' | ||
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# 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 | ||
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# Write out the data and content to file | ||
File.open("#{dir}/#{name}", "w") do |f| | ||
f.puts data | ||
f.puts "---" | ||
f.puts content | ||
end | ||
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# 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: /#{time.strftime("%Y/%m/%d/") + slug}" | ||
f.puts "---" | ||
end | ||
end | ||
end | ||
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# TODO: Make dirs & files for nodes of type 'page' | ||
# Make refresh pages for these as well | ||
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# TODO: Make refresh dirs & files according to entries in url_alias table | ||
end | ||
end | ||
end |