feat: migration to phoenix 1.8 - generate new ash live views

lib/mv_web/live/property_live/form.ex

@@ -0,0 +1,87 @@
+defmodule MvWeb.PropertyLive.Form do
+  use MvWeb, :live_view
+
+  @impl true
+  def render(assigns) do
+    ~H"""
+    <Layouts.app flash={@flash}>
+      <.header>
+        {@page_title}
+        <:subtitle>Use this form to manage property records in your database.</:subtitle>
+      </.header>
+
+      <.form for={@form} id="property-form" phx-change="validate" phx-submit="save">
+        <.input field={@form[:value]} type="text" label="Value" /><.input
+          field={@form[:member_id]}
+          type="text"
+          label="Member"
+        /><.input field={@form[:property_type_id]} type="text" label="Property type" />
+
+        <.button phx-disable-with="Saving..." variant="primary">Save Property</.button>
+        <.button navigate={return_path(@return_to, @property)}>Cancel</.button>
+      </.form>
+    </Layouts.app>
+    """
+  end
+
+  @impl true
+  def mount(params, _session, socket) do
+    property =
+      case params["id"] do
+        nil -> nil
+        id -> Ash.get!(Mv.Membership.Property, id)
+      end
+
+    action = if is_nil(property), do: "New", else: "Edit"
+    page_title = action <> " " <> "Property"
+
+    {:ok,
+     socket
+     |> assign(:return_to, return_to(params["return_to"]))
+     |> assign(property: property)
+     |> assign(:page_title, page_title)
+     |> assign_form()}
+  end
+
+  defp return_to("show"), do: "show"
+  defp return_to(_), do: "index"
+
+  @impl true
+  def handle_event("validate", %{"property" => property_params}, socket) do
+    {:noreply,
+     assign(socket, form: AshPhoenix.Form.validate(socket.assigns.form, property_params))}
+  end
+
+  def handle_event("save", %{"property" => property_params}, socket) do
+    case AshPhoenix.Form.submit(socket.assigns.form, params: property_params) do
+      {:ok, property} ->
+        notify_parent({:saved, property})
+
+        socket =
+          socket
+          |> put_flash(:info, "Property #{socket.assigns.form.source.type}d successfully")
+          |> push_navigate(to: return_path(socket.assigns.return_to, property))
+
+        {:noreply, socket}
+
+      {:error, form} ->
+        {:noreply, assign(socket, form: form)}
+    end
+  end
+
+  defp notify_parent(msg), do: send(self(), {__MODULE__, msg})
+
+  defp assign_form(%{assigns: %{property: property}} = socket) do
+    form =
+      if property do
+        AshPhoenix.Form.for_update(property, :update, as: "property")
+      else
+        AshPhoenix.Form.for_create(Mv.Membership.Property, :create, as: "property")
+      end
+
+    assign(socket, form: to_form(form))
+  end
+
+  defp return_path("index", _property), do: ~p"/properties"
+  defp return_path("show", property), do: ~p"/properties/#{property.id}"
+end