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August 8, 2024 03:30
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Error with embedded array attribute on create
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| Application.put_env(:sample, SamplePhoenix.Endpoint, | |
| http: [ip: {127, 0, 0, 1}, port: 5001], | |
| server: true, | |
| live_view: [signing_salt: "aaaaaaaa"], | |
| secret_key_base: String.duplicate("a", 64) | |
| ) | |
| Mix.install([ | |
| {:plug_cowboy, "~> 2.7"}, | |
| {:jason, "~> 1.0"}, | |
| {:phoenix, "1.7.12"}, | |
| {:phoenix_live_view, "0.20.14"}, | |
| # {:ash, "3.3.3"}, | |
| {:ash, | |
| github: "ash-project/ash", ref: "4278660c9c937a87f6141167a237eb9aa5ac562c", override: true}, | |
| {:ash_phoenix, "2.1.1"} | |
| ]) | |
| defmodule SamplePhoenix.ErrorView do | |
| def render(template, _), do: Phoenix.Controller.status_message_from_template(template) | |
| end | |
| defmodule Todo do | |
| use Ash.Resource, data_layer: :embedded | |
| attributes do | |
| attribute :body, :string, allow_nil?: false | |
| end | |
| actions do | |
| defaults [:read, create: [:body], update: [:body]] | |
| end | |
| end | |
| defmodule Post do | |
| use Ash.Resource, data_layer: Ash.DataLayer.Ets, domain: Domain | |
| attributes do | |
| uuid_primary_key :id | |
| attribute :title, :string, allow_nil?: false | |
| attribute :todo_list, {:array, Todo}, allow_nil?: false | |
| end | |
| actions do | |
| defaults create: [:title, :todo_list], update: [:title, :todo_list] | |
| end | |
| end | |
| defmodule Domain do | |
| use Ash.Domain | |
| resources do | |
| resource Post | |
| end | |
| end | |
| defmodule SamplePhoenix.SampleLive do | |
| use Phoenix.LiveView, layout: {__MODULE__, :live} | |
| def mount(_params, _session, socket) do | |
| form = | |
| Post | |
| |> AshPhoenix.Form.for_create(:create, forms: [auto?: true]) | |
| |> to_form() | |
| |> AshPhoenix.Form.add_form([:todo_list, 0]) | |
| socket = | |
| socket | |
| |> assign(form: form) | |
| |> assign(result: nil) | |
| {:ok, socket} | |
| end | |
| # layout | |
| def render("live.html", assigns) do | |
| ~H""" | |
| <script src="https://cdn.jsdelivr.net/npm/phoenix@1.7.12/priv/static/phoenix.min.js"> | |
| </script> | |
| <script | |
| src="https://cdn.jsdelivr.net/npm/phoenix_live_view@0.20.14/priv/static/phoenix_live_view.min.js" | |
| > | |
| </script> | |
| <script> | |
| let liveSocket = new window.LiveView.LiveSocket("/live", window.Phoenix.Socket) | |
| liveSocket.connect() | |
| </script> | |
| <style> | |
| * { font-size: 1.1em; } | |
| </style> | |
| <%= @inner_content %> | |
| """ | |
| end | |
| # render | |
| def render(assigns) do | |
| ~H""" | |
| <.form id="form" for={@form} phx-change="validate" phx-submit="save"> | |
| <div> | |
| <label for={@form[:title].name}>title</label> | |
| <input | |
| type="text" | |
| id={@form[:title].id} | |
| name={@form[:title].name} | |
| value={@form[:title].value} | |
| /> | |
| </div> | |
| <.inputs_for :let={ft} field={@form[:todo_list]}> | |
| <label for={ft[:body].name}>body</label> | |
| <input type="text" id={ft[:body].id} name={ft[:body].name} value={ft[:body].value} /> | |
| </.inputs_for> | |
| <button type="submit" disabled={!@form.source.valid?}>Save</button> | |
| </.form> | |
| <div :if={@result}> | |
| result: <%= inspect(@result) %> | |
| </div> | |
| form: <%= inspect(@form) %> | |
| """ | |
| end | |
| def handle_event("validate", %{"form" => params}, socket) do | |
| form = socket.assigns.form |> AshPhoenix.Form.validate(params) | |
| socket = | |
| socket | |
| |> assign(form: form) | |
| {:noreply, socket} | |
| end | |
| def handle_event("save", _params, socket) do | |
| socket = | |
| case socket.assigns.form |> AshPhoenix.Form.submit() do | |
| {:ok, result} -> | |
| socket |> assign(result: result) | |
| {:error, form} -> | |
| socket |> assign(form: form) | |
| end | |
| {:noreply, socket} | |
| end | |
| end | |
| defmodule Router do | |
| use Phoenix.Router | |
| import Phoenix.LiveView.Router | |
| pipeline :browser do | |
| plug(:accepts, ["html"]) | |
| end | |
| scope "/", SamplePhoenix do | |
| pipe_through(:browser) | |
| live("/", SampleLive, :index) | |
| end | |
| end | |
| defmodule SamplePhoenix.Endpoint do | |
| use Phoenix.Endpoint, otp_app: :sample | |
| socket("/live", Phoenix.LiveView.Socket) | |
| plug(Router) | |
| end | |
| {:ok, _} = Supervisor.start_link([SamplePhoenix.Endpoint], strategy: :one_for_one) | |
| Process.sleep(:infinity) |
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