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prefixed_uuid

1.0.0
1.0.0

UUIDv7 identifiers base62 encoded with a prefix. Based on the blog post by Dan Schultzer: https://danschultzer.com/posts/prefixed-base62-uuidv7-object-ids-with-ecto

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prefixed_uuid lib prefixed_uuid schema.ex
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lib/prefixed_uuid/schema.ex 

defmodule PrefixedUUID.Schema do

  @moduledoc """

  Use this instead of Ecto.Schema



  ## Examples



      use PrefixedUUID.Schema, prefix: "user"

  """

  defmacro __using__(opts \\ []) do

    prefix = Keyword.fetch!(opts, :prefix)



    quote do

      use Ecto.Schema



      @primary_key {:id, PrefixedUUID, prefix: unquote(prefix), autogenerate: true}

      @foreign_key_type PrefixedUUID



      @type t :: %__MODULE__{}



      @spec prefix() :: String.t()

      def prefix, do: unquote(prefix)



      @spec generate_id() :: PrefixedUUID.t()

      def generate_id, do: PrefixedUUID.generate(unquote(prefix))

    end

  end

end