Add importer script

import.rb

@@ -0,0 +1,86 @@
+#!/usr/bin/env ruby
+
+require 'yaml'
+require 'fileutils'
+require 'set'
+
+Post = Struct.new(:filename, :frontmatter, :body) do
+  def to_s
+    "#{YAML.dump(frontmatter)}---\n#{body}"
+  end
+
+  def self.load(filename)
+    parts = File.read(filename).split("---\n")
+    frontmatter = YAML.load(parts[1])
+
+    self.new(filename, frontmatter, parts[2])
+  end
+
+  def dump_hugo
+    File.write("content/post/#{File.basename(filename)}", to_s)
+  end
+end
+
+posts = Dir["imported-content/_posts/*.md"].map do |filename|
+  Post.load(filename)
+end
+
+# Idempotency check
+# just checking if the ruby serialization isn't changing files unnecessarily
+posts.each do |post|
+  if File.read(post.filename) != post.to_s
+    raise "not idempotent!"
+  end
+end
+
+# Handle attachments
+
+FileUtils.mkdir_p("static/attachments")
+files_to_copy = Set.new
+posts.select { |p| p.frontmatter.dig("metadata", "anexos")&.any? }.each do |post|
+  anexos = post.frontmatter.dig("metadata", "anexos")
+
+  anexos.filter! { |anexo| anexo["anexos_display"] == 1 }
+
+  if anexos.empty?
+    post.frontmatter["metadata"].delete("anexos")
+  end
+
+  anexos.each do |anexo|
+    files_to_copy.add(anexo["anexos_uri"].gsub("public://", ""))
+
+    anexo["anexos_uri"].gsub!("public://", "/attachments/")
+  end
+
+  post.dump_hugo
+end
+
+
+# Handle links
+posts.each do |post|
+  post.body.gsub!(/href="(.*?)"/) do |match|
+    url = $1.sub(/^http:\/\/ansol\.org/, "https://ansol.org")
+
+    url =
+      if url.start_with?("https://ansol.org/sites/ansol.org/files/")
+        filename = url.gsub("https://ansol.org/sites/ansol.org/files/", "")
+        files_to_copy.add(filename.gsub("%20", " "))
+        "/attachments/#{filename}"
+      elsif url.start_with?("https://ansol.org")
+        pp url
+
+        url
+      else
+        url
+      end
+
+    "href=\"#{url}\""
+  end
+
+  post.dump_hugo
+end
+
+files_to_copy.each do |file|
+  FileUtils.mkdir_p("static/attachments/#{File.dirname(file)}")
+  FileUtils.copy_file("imported-files/#{file}", "static/attachments/#{file}")
+end