はてなダイアリーからはてなブログ経由で独自ドメインのブログに記事を移行しました

# frozen_string_literal: true

require 'yaml'
require 'time'

def parse(filepath)
  File.open(filepath) do |f|
    contents = f.read
    posts = contents.split('--------')
    posts
  end
end

def extract(post)
  yaml, body = ''
  content = post.split('-----')
  begin
    yaml = YAML.safe_load(content[0])
    body = content[1].gsub!(/^BODY:/, '')
  rescue => exception
    puts content[0]
    puts exception.message
  end
  { frontmatter: yaml, body: body }
end

posts = parse('meganii.hatenablog.com.export.txt').map { |post| extract(post) }
posts.each do |post|
  date = Time.strptime(post[:frontmatter]['DATE'], '%m/%d/%Y %H:%M:%S')
  slug = post[:frontmatter]['BASENAME'].split('/').last
  filename = "../content/blog/#{date.strftime('%Y-%m-%d')}-#{slug}.md"
  category = post[:frontmatter]['CATEGORY']

  open(filename, 'w') do |md|
    md.puts '---'
    md.puts "title: #{post[:frontmatter]['TITLE']}"
    md.puts "date: #{date}"
    md.puts "lastmod: #{date}"
    md.puts "slug: #{slug}"
    md.puts "category: ['Tech']"
    md.puts "tags: ['#{category}']"
    md.puts 'published: true'
    md.puts '---'
    md.puts
    md.puts post[:body]
  end
end

# frozen_string_literal: true

require 'uri'

Dir.glob('content/*/*.*') do |file|
  buffer = File.open(file, 'r') { |f| f.read() }
  list = URI.extract(buffer, ['http']).select { |a| a.start_with? 'http://d.hatena.ne.jp/meganii' }.map { |x| x.gsub(')','') }
  list.each do |a|
    uri = URI.parse(a)
    len = uri.path.split('/')

    unless len.length > 3
      p uri
      buffer.gsub!(a, 'https://www.meganii.com/')
      next
    end

    year = len[2].slice(0, 4)
    month = len[2].slice(4, 2)
    date = len[2].slice(6, 8)
    slug = len[3]
    buffer.gsub!(a, "https://www.meganii.com/blog/#{year}/#{month}/#{date}/#{slug}")
  end

  File.open(file, 'w') { |f| f.write(buffer) }
end

<p>移転しました。
<script type="text/javascript" language="javascript">
<!--
    var domain = "https://www.meganii.com/blog/";
    var path = location.pathname.substr(6).replace(/\//g, "");
    var slug = path.substr(8);
    var date = path.substr(0, 8);
    var yyyy = date.substr(0, 4);
    var mm = date.substr(4, 2);
    var dd = date.substr(6, 2);
    var url = domain + yyyy + "/" + mm + "/" + dd + "/" + slug + "/";
    if (location.pathname === '/') {
        url = 'https://www.meganii.com/'
    }

    document.write("<a href=\"" + url + "\">" + url + "</a></p>");

   // リダイレクト
　　setTimeout("redirect()", 3000);　// 3 sec
　　function redirect(){
　　 　location.href = url; 
　　}
　
   // canonical の書き換え
　　var link = document.querySelector("link[rel=canonical]");
　　link.href = url;
-->
</script>

<script type="text/javascript" language="javascript">
  <!--
  // リダイレクト
  if (location.pathname === '/') {
    setTimeout("redirect2home()", 3000);　// 3 sec
  }

  function redirect2home(){
    location.href = 'https://www.meganii.com/'; 
  }
　
　// canonical の書き換え
　var link = document.getElementsByTagName("link")[0];
　link.href = 'https://www.meganii.com/';
  -->
</script>