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

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defmodule CanneryWeb.ContainerLive.Index do
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@moduledoc """
Liveview for showing Cannery.Containers.Container index
"""
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use CanneryWeb, :live_view
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import CanneryWeb.ContainerLive.ContainerCard
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alias Cannery.{Containers, Containers.Container}
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@impl true
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def mount(_params, session, socket) do
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{:ok, socket |> assign_defaults(session) |> display_containers()}
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end
@impl true
def handle_params(params, _url, socket) do
{:noreply, apply_action(socket, socket.assigns.live_action, params)}
end
defp apply_action(socket, :edit, %{"id" => id}) do
socket
|> assign(:page_title, "Edit Container")
|> assign(:container, Containers.get_container!(id))
end
defp apply_action(socket, :new, _params) do
socket
|> assign(:page_title, "New Container")
|> assign(:container, %Container{})
end
defp apply_action(socket, :index, _params) do
socket
|> assign(:page_title, "Listing Containers")
|> assign(:container, nil)
end
@impl true
def handle_event("delete", %{"id" => id}, socket) do
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socket =
socket.assigns.containers
|> Enum.find(fn %{id: container_id} -> id == container_id end)
|> case do
nil ->
socket |> put_flash(:error, "Could not find that container")
container ->
container
|> Containers.delete_container()
|> case do
{:ok, container} ->
socket
|> put_flash(:info, "#{container.name} has been deleted")
|> display_containers()
{:error, %{action: :delete, errors: [ammo_groups: _error], valid?: false} = changeset} ->
ammo_groups_error = changeset |> changeset_errors(:ammo_groups) |> Enum.join(", ")
socket |> put_flash(:error, "Could not delete container: #{ammo_groups_error}")
{:error, changeset} ->
socket |> put_flash(:error, changeset |> changeset_errors())
end
end
{:noreply, socket}
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end
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defp display_containers(%{assigns: %{current_user: current_user}} = socket) do
containers = Containers.list_containers(current_user)
socket |> assign(containers: containers)
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end
end