0b0adba0fe
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Every key shop flow now works via plain HTML forms when JS is unavailable. LiveView progressively enhances when JS connects. - PDP: form wraps variant/qty/add-to-cart with action="/cart/add" - Cart page: qty +/- and remove use form POST fallbacks - Cart/search header icons are now links with phx-click enhancement - Collection sort form has GET action + noscript submit button - New /search page with form-based search for no-JS users - CartController gains add/remove/update_item POST actions - CartHook gains update_quantity_form and remove_item_form handlers - Fix flaky analytics tests caused by event table pollution Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
96 lines
2.4 KiB
Elixir
96 lines
2.4 KiB
Elixir
defmodule BerrypodWeb.CartController do
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@moduledoc """
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Cart controller handling both JSON API persistence and HTML form fallbacks.
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The JSON `update/2` action is called by a JS hook after each LiveView cart
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change. The HTML actions (`add/2`, `remove/2`, `update_item/2`) provide
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no-JS fallbacks via plain form POST + redirect.
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"""
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use BerrypodWeb, :controller
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alias Berrypod.Cart
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@doc """
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Updates the cart in session (JSON API for JS hook).
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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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@doc """
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Adds an item to cart via form POST (no-JS fallback).
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"""
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def add(conn, %{"variant_id" => variant_id, "quantity" => qty_str}) do
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quantity = parse_quantity(qty_str)
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cart = Cart.get_from_session(get_session(conn))
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cart = Cart.add_item(cart, variant_id, quantity)
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conn
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|> Cart.put_in_session(cart)
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|> put_flash(:info, "Added to basket")
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|> redirect(to: ~p"/cart")
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end
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def add(conn, _params) do
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conn
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|> put_flash(:error, "Could not add item to basket")
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|> redirect(to: ~p"/cart")
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end
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@doc """
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Removes an item from cart via form POST (no-JS fallback).
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"""
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def remove(conn, %{"variant_id" => variant_id}) do
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cart = Cart.get_from_session(get_session(conn))
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cart = Cart.remove_item(cart, variant_id)
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conn
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|> Cart.put_in_session(cart)
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|> put_flash(:info, "Removed from basket")
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|> redirect(to: ~p"/cart")
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end
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@doc """
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Updates item quantity via form POST (no-JS fallback).
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"""
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def update_item(conn, %{"variant_id" => variant_id, "quantity" => qty_str}) do
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quantity = parse_update_quantity(qty_str)
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cart = Cart.get_from_session(get_session(conn))
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cart = Cart.update_quantity(cart, variant_id, quantity)
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conn
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|> Cart.put_in_session(cart)
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|> redirect(to: ~p"/cart")
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end
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defp parse_quantity(str) when is_binary(str) do
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case Integer.parse(str) do
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{qty, _} when qty > 0 -> qty
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_ -> 1
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end
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end
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defp parse_quantity(_), do: 1
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# Allows 0 and negative values so Cart.update_quantity can remove items
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defp parse_update_quantity(str) when is_binary(str) do
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case Integer.parse(str) do
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{qty, _} -> qty
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:error -> 1
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end
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end
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defp parse_update_quantity(_), do: 1
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end
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