elct9620

Hugo to Embedding Example

Convert Hugo articles to Embendding for Cloudflare Vectorize Store

Add JSON output to Hugo

The single.json is a example to add JSON outptu for your theme.

Setup a new config ai.toml to extend output

elct9620

Example of Domain-Driven Design in Rails

Object

Name	Layer	Type	Description
app/models/visitor_pass.rb	Domain	Aggregate	Pass-related domain
app/services/tracker_service.rb	Domain	Domain Service	Logic between door and visitor interaction
app/controllers/passes_controller.rb	Application	Use Case	The user flow of "pass" a door

elct9620

import 'vendor/tinygo'

const go = new Go();

go.importObject.env['main.defineClass'] = function(namePtr, nameLen, cPtr, cGcPtr, pPtr/*, pGcPtr*/) {
  const mem = new DataView(go._inst.exports.memory.buffer)
  const decoder = new TextDecoder("utf-8");

  const name = decoder.decode(new DataView(go._inst.exports.memory.buffer, namePtr, nameLen));
  const constructorID = mem.getUint32(cPtr, true)

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paginator = InfinitePaginator.new(
  'https://jsonplaceholder.typicode.com/users/%<page>d'
)

pp paginator.take(12)
# =>
# [{"id"=>1, "name"=>"Leanne Graham"},
# {"id"=>2, "name"=>"Ervin Howell"},
# {"id"=>3, "name"=>"Clementine Bauch"},
# {"id"=>4, "name"=>"Patricia Lebsack"},

elct9620

The Data Context Interaction in Ruby

Concept

Under Domain-Driven Design, we are trying to "Model" the real world to the virtual world. However, it cannot clearly describe the context/interaction with the domain.

Data

The raw data is a "number" or "string" and cannot explain the meaning in specifying the domain. Therefore we have to create a "value object" to assign the domain meaning and use "entity" to compose mapping a real-world object.

elct9620

require 'dry-contaienr'
require 'dry-auto_inject'

# Singleton style container
class Container
  extend Dry::Container::Mixin

  namespace :repositories do
    register(:games) { GameRepository.new }
    register(:players) { PlayerRepository.new }

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# frozen_string_literal: true

require "singleton"

class Settings
  include Singleton

  class << self
    delegate_missing_to :instance
  end

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# API
class FakeResponse < Struct.new(:status, :code)
  def success?
    code == 200
  end
end

class FakeAPI
  def call
    FakeResponse.new('Success', 200)    

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# frozen_string_literal: true

require 'delegate'
require 'json'

class Middleware < SimpleDelegator
end

class CacheMiddleware < Middleware
  def initialize(object)

elct9620

CloudFlare Workers as Status API

In most case, the CloudFlare SLA is greater than our server. So, we can use it as a simple uptime checker.

Usage

1. Deploy index.js to your CloudFlare Workers, and bind KV which you save the status.
2. Add updater.rb to your server, and setup cron job to run it
3. Get node status on any static page with https://your-worker.workers.dev/?node[]=name to fetch node status