A hack to build references in Obsidian for Zotero items

sync-zotero-refs.rb

#!/usr/bin/env ruby

require "net/http"
require "uri"
require "yaml"
require "json"
require "fileutils"

class String
  def dasherize
    self.
      gsub(/([A-Z]+)([A-Z][a-z])/,'\1-\2').
      gsub(/([a-z\d])([A-Z])/,'\1-\2').
      downcase
  end
end

CONFIG = YAML.load_file(File.expand_path("~/.config/zettlekasten.yaml"))

host = CONFIG.dig("zotero", "debug-bridge", "host") || "127.0.0.1"
password = CONFIG.dig("zotero", "debug-bridge", "password")
port = CONFIG.dig("zotero", "debug-bridge", "port") || 23119

vault = File.expand_path(CONFIG.dig("obsidian", "vault"))

SCRIPT =<<EOS
await Zotero.Schema.schemaUpdatePromise;

var s = new Zotero.Search();
s.libraryID = Zotero.Libraries.userLibraryID;

var results = await s.search();
var items = await Zotero.Items.getAsync(results);

return JSON.stringify(items);
EOS


url = URI.parse("http://#{host}:#{port}/debug-bridge/execute?password=#{password}")
resp, data = Net::HTTP.post(url, SCRIPT, {"Content-Type" => "application/javascript"})

items = JSON.parse(JSON.parse(resp.body))

keys = items.map { |i| i["key"] }

rpc = JSON.dump(
  jsonrpc: "2.0",
  method: "item.citationkey",
  params: [keys]
)
url = URI.parse("http://#{host}:#{port}/better-bibtex/json-rpc")
resp, data = Net::HTTP.post(url, rpc, {"Content-Type" => "application/json", "Accept" => "application/json"})
mapping = JSON.parse(resp.body)["result"]

items.each do |item|
  cite_key = mapping[item["key"]]
  if cite_key && !cite_key.start_with?("zotero-")
    literature_note = File.join(vault, "references", "#{cite_key}.md")
    unless File.exist?(literature_note)
      FileUtils.mkdir_p(File.dirname(literature_note))
      File.open(literature_note, "w") do |f|
        f.puts "# #{item["title"]}"
        f.puts
        if item["itemType"] == "webpage"
          f.puts "#webpage #{item["url"]}"
        else
          f.puts "##{item["itemType"].dasherize}"
        end
        f.puts
        if item["abstractNote"]
          f.puts item["abstractNote"]
          f.puts
        end
        if item["date"]
          f.puts "## Date"
          f.puts
          f.puts item["date"]
          f.puts
        end
        authors = item["creators"].select { |c| c["creatorType"] == "author" }
        unless authors.empty?
          f.puts "## Authors"
          f.puts
          authors.each do |author|
            f.puts "- #{author["lastName"]}, #{author["firstName"]}"
          end
          f.puts
        end
        f.puts "## Notes"
        f.puts
        f.puts "#TK"
        f.puts
      end
      puts literature_note
    end
  end
end