cannery/lib/cannery_web/live/container_live/form_component.ex

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defmodule CanneryWeb.ContainerLive.FormComponent do
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@moduledoc """
Livecomponent that can update or create an Cannery.Containers.Container
"""
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use CanneryWeb, :live_component
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alias Cannery.{Accounts.User, Containers, Containers.Container}
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alias Ecto.Changeset
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alias Phoenix.LiveView.Socket
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@impl true
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@spec update(
%{:container => Container.t(), :current_user => User.t(), optional(any) => any},
Socket.t()
) :: {:ok, Socket.t()}
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def update(%{container: _container} = assigns, socket) do
{:ok, socket |> assign(assigns) |> assign_changeset(%{})}
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end
@impl true
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def handle_event("validate", %{"container" => container_params}, socket) do
{:noreply, socket |> assign_changeset(container_params)}
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end
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def handle_event(
"save",
%{"container" => container_params},
%{assigns: %{action: action}} = socket
) do
save_container(socket, action, container_params)
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end
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defp assign_changeset(
%{assigns: %{action: action, container: container, current_user: user}} = socket,
container_params
) do
changeset_action =
case action do
:new -> :insert
:edit -> :update
end
changeset =
case action do
:new -> container |> Container.create_changeset(user, container_params)
:edit -> container |> Container.update_changeset(container_params)
end
changeset =
case changeset |> Changeset.apply_action(changeset_action) do
{:ok, _data} -> changeset
{:error, changeset} -> changeset
end
socket |> assign(:changeset, changeset)
end
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defp save_container(
%{assigns: %{container: container, current_user: current_user, return_to: return_to}} =
socket,
:edit,
container_params
) do
socket =
case Containers.update_container(container, current_user, container_params) do
{:ok, %{name: container_name}} ->
prompt = dgettext("prompts", "%{name} updated successfully", name: container_name)
socket |> put_flash(:info, prompt) |> push_navigate(to: return_to)
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{:error, %Changeset{} = changeset} ->
socket |> assign(:changeset, changeset)
end
{:noreply, socket}
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end
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defp save_container(
%{assigns: %{current_user: current_user, return_to: return_to}} = socket,
:new,
container_params
) do
socket =
case Containers.create_container(container_params, current_user) do
{:ok, %{name: container_name}} ->
prompt = dgettext("prompts", "%{name} created successfully", name: container_name)
socket |> put_flash(:info, prompt) |> push_navigate(to: return_to)
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{:error, %Changeset{} = changeset} ->
socket |> assign(changeset: changeset)
end
{:noreply, socket}
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end
end