cannery/lib/cannery_web/components/add_shot_group_component.ex

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defmodule CanneryWeb.Components.AddShotGroupComponent do
@moduledoc """
Livecomponent that can create a ShotGroup
"""
use CanneryWeb, :live_component
alias Cannery.{Accounts.User, ActivityLog, ActivityLog.ShotGroup, Ammo.AmmoGroup}
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alias Phoenix.LiveView.{JS, Socket}
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@impl true
@spec update(
%{
required(:current_user) => User.t(),
required(:ammo_group) => AmmoGroup.t(),
optional(any()) => any()
},
Socket.t()
) :: {:ok, Socket.t()}
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def update(%{ammo_group: ammo_group, current_user: current_user} = assigns, socket) do
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changeset =
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%ShotGroup{date: NaiveDateTime.utc_now(), count: 1}
|> ShotGroup.create_changeset(current_user, ammo_group, %{})
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{:ok, socket |> assign(assigns) |> assign(:changeset, changeset)}
end
@impl true
def handle_event(
"validate",
%{"shot_group" => shot_group_params},
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%{assigns: %{ammo_group: ammo_group, current_user: current_user}} = socket
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) do
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params = shot_group_params |> process_params(ammo_group)
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changeset =
%ShotGroup{}
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|> ShotGroup.create_changeset(current_user, ammo_group, params)
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|> Map.put(:action, :validate)
{:noreply, socket |> assign(:changeset, changeset)}
end
def handle_event(
"save",
%{"shot_group" => shot_group_params},
%{
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assigns: %{ammo_group: ammo_group, current_user: current_user, return_to: return_to}
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} = socket
) do
socket =
shot_group_params
|> process_params(ammo_group)
|> ActivityLog.create_shot_group(current_user, ammo_group)
|> case do
{:ok, _shot_group} ->
prompt = dgettext("prompts", "Shots recorded 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
# calculate count from shots left
defp process_params(params, %AmmoGroup{count: count}) do
new_count =
if params |> Map.get("ammo_left", "0") == "" do
"0"
else
params |> Map.get("ammo_left", "0")
end
|> String.to_integer()
params |> Map.put("count", count - new_count)
end
end