1bc08bfb23
- Cart context with pure functions for add/remove/update/hydrate - Price formatting via ex_money (replaces all float division) - CartHook on_mount with attach_hook for shared event handlers (open/close drawer, remove item, PubSub sync) - Accessible cart drawer with focus trap, scroll lock, aria-live - Cart page with increment/decrement quantity controls - Preview mode cart drawer support in theme editor - Cart persistence to session via JS hook + API endpoint - 19 tests covering all Cart pure functions Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
32 lines
775 B
Elixir
32 lines
775 B
Elixir
defmodule SimpleshopThemeWeb.CartController do
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@moduledoc """
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API controller for cart session persistence.
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LiveView cannot write to session directly, so cart updates are persisted
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via this API endpoint called from a JS hook after each cart modification.
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"""
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use SimpleshopThemeWeb, :controller
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alias SimpleshopTheme.Cart
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@doc """
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Updates the cart in session.
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Expects JSON body with `items` as a list of [variant_id, quantity] arrays.
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"""
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def update(conn, %{"items" => items}) when is_list(items) do
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cart_items = Cart.deserialize(items)
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conn
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|> Cart.put_in_session(cart_items)
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|> json(%{ok: true})
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end
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def update(conn, _params) do
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conn
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|> put_status(:bad_request)
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|> json(%{error: "Invalid cart data"})
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end
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end
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