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refactor: extract Cart.build_state/1 as single source of truth for cart state

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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
jamey
2026-02-08 12:24:39 +00:00
parent 2825537136
commit cb4698bec8
2 changed files with 22 additions and 9 deletions
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14
lib/simpleshop_theme_web/cart_hook.ex
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@@ -21,14 +21,10 @@ defmodule SimpleshopThemeWeb.CartHook do
def on_mount(:mount_cart, _params, session, socket) do
cart_items = Cart.get_from_session(session)
hydrated = Cart.hydrate(cart_items)
socket =
socket
|> assign(:raw_cart, cart_items)
|> assign(:cart_items, hydrated)
|> assign(:cart_count, Cart.item_count(cart_items))
|> assign(:cart_subtotal, Cart.format_subtotal(hydrated))
|> update_cart_assigns(cart_items)
|> assign(:cart_drawer_open, false)
|> assign(:cart_status, nil)
|> attach_hook(:cart_events, :handle_event, &handle_cart_event/3)
@@ -84,13 +80,13 @@ defmodule SimpleshopThemeWeb.CartHook do
Updates all cart-related assigns from raw cart data.
"""
def update_cart_assigns(socket, cart) do
hydrated = Cart.hydrate(cart)
%{items: items, count: count, subtotal: subtotal} = Cart.build_state(cart)
socket
|> assign(:raw_cart, cart)
|> assign(:cart_items, hydrated)
|> assign(:cart_count, Cart.item_count(cart))
|> assign(:cart_subtotal, Cart.format_subtotal(hydrated))
|> assign(:cart_items, items)
|> assign(:cart_count, count)
|> assign(:cart_subtotal, subtotal)
end
@doc """