yordis

defmodule MyAppWeb.Schema.Middleware.AuthorizedIntrospection do
  @moduledoc """
  Disable or restrict schema introspection to authorized requests
  """
  @behaviour Absinthe.Plugin

  @impl Absinthe.Plugin
  def before_resolution(%{context: %{admin: true}} = exec), do: exec

  def before_resolution(exec) do

yordis

Routing

• Fractal Pattern: repeatable pattern at each level of the routing hierarchy.

This example shows the organization based on Next Reserved Naming to define the routing behavior, you could ignore that and adopt whatever naming convention you prefer when it comes to the naming.

In order to add a new URL Subdirectory, you must create a routes directory.

yordis

// https://twitter.com/alchemist_ubi/status/1786275138532790439
function proxy(proxy: string, req: Request): Request {
  const url = new URL(proxy);
  const originUrl = new URL(req.url);

  const header = new Headers(req.headers);
  header.set('X-Forwarded-For', 'some-ip');

  url.pathname = originUrl.pathname;

yordis

import * as assert from "assert";

/** Decider Pattern **/

type Transaction = {
    amount: number
    date: Date
}

type Deposited = Transaction & {

yordis

Mix.install([:httpoison, :poison])

defmodule Spotify do
  [playlist_id] = System.argv()

  @token_url "https://accounts.spotify.com/api/token"
  @playlist_url "https://api.spotify.com/v1/playlists/#{playlist_id}"

  def get_token() do
    client_id = System.get_env("SPOTIFY_CLIENT_ID")

yordis

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Log Reader - polls log file and sends new lines to channel
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
defmodule LogReader do
  use GenServer

  @log_file "priv/some_log.log"
  @poll_interval 5 * 1000 # 5 seconds

  def run_test() do

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Example Code: elixir-tesla/tesla#370

Mix.install([
  {:tesla, github: "elixir-tesla/tesla", branch: "master"},
  {:mint, "1.5.1"},
  {:castore, "1.0.2"}
])

yordis

Erlang GitHub Actions With setup-beam and Caching

To build and test Erlang projects on GitHub actions with Rebar 3 it is fastest to use the setup-beam action and use caching.

To get started, create a workflow file in .github/workflows in your repository. For this example we use a file called .github/workflows/continuous_integration.yml.

yordis

defmodule Mix.Tasks.InspectAggregate do
  use Mix.Task

  alias MyApp.EventStore

  def run(args) do
    Application.ensure_all_started(:eventstore)
    _ = EventStore.start_link()

    {opts, _} =

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Commanded middleware for command enrichment

Usage

Add the EnrichCommand middleware to your command router:

defmodule MyApp.Router do
  use Commanded.Commands.Router