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

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defmodule CanneryWeb.RangeLive.FormComponent do
@moduledoc """
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Livecomponent that can update a ShotGroup
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"""
use CanneryWeb, :live_component
alias Cannery.{Accounts.User, ActivityLog, ActivityLog.ShotGroup, Ammo, Ammo.AmmoGroup}
alias Ecto.Changeset
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alias Phoenix.LiveView.Socket
@impl true
def mount(socket), do: {:ok, socket |> assign(:ammo_group, nil)}
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@impl true
@spec update(
%{
required(:shot_group) => ShotGroup.t(),
required(:current_user) => User.t(),
optional(:ammo_group) => AmmoGroup.t(),
optional(any()) => any()
},
Socket.t()
) :: {:ok, Socket.t()}
def update(
%{
shot_group: %ShotGroup{ammo_group_id: ammo_group_id},
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current_user: current_user
} = assigns,
socket
)
when is_binary(ammo_group_id) do
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ammo_group = Ammo.get_ammo_group!(ammo_group_id, current_user)
{:ok, socket |> assign(assigns) |> assign(:ammo_group, ammo_group) |> assign_changeset(%{})}
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end
def update(%{shot_group: %ShotGroup{}} = assigns, socket) do
{:ok, socket |> assign(assigns) |> assign_changeset(%{})}
end
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@impl true
def handle_event("validate", %{"shot_group" => shot_group_params}, socket) do
{:noreply, socket |> assign_changeset(shot_group_params, :validate)}
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end
def handle_event(
"save",
%{"shot_group" => shot_group_params},
%{assigns: %{shot_group: shot_group, current_user: current_user, return_to: return_to}} =
socket
) do
socket =
case ActivityLog.update_shot_group(shot_group, shot_group_params, current_user) do
{:ok, _shot_group} ->
prompt = dgettext("prompts", "Shot records updated successfully")
socket |> put_flash(:info, prompt) |> push_navigate(to: return_to)
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{:error, %Ecto.Changeset{} = changeset} ->
socket |> assign(:changeset, changeset)
end
{:noreply, socket}
end
defp assign_changeset(
%{
assigns: %{
action: live_action,
current_user: user,
ammo_group: ammo_group,
shot_group: shot_group
}
} = socket,
shot_group_params,
action \\ nil
) do
default_action =
case live_action do
:add_shot_group -> :insert
editing when editing in [:edit, :edit_shot_group] -> :update
end
changeset =
case default_action do
:insert -> shot_group |> ShotGroup.create_changeset(user, ammo_group, shot_group_params)
:update -> shot_group |> ShotGroup.update_changeset(user, shot_group_params)
end
changeset =
case changeset |> Changeset.apply_action(action || default_action) do
{:ok, _data} -> changeset
{:error, changeset} -> changeset
end
socket |> assign(:changeset, changeset)
end
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end