✨ Marketplace: Collect Shoppers Delivery Address before checkout

- #1136

While collecting the address via Stripe was reasonable at the time, if
we want to support dynamic pricing, we'll need the address ahead of
time.

This will also (theoretically) allow us to let people know when they are
outside of the `Distributor` delivery area.

app/furniture/marketplace/cart.rb

@@ -26,7 +26,11 @@ def product_total
       end
     end
 
-    delegate :delivery_fee, to: :marketplace
+    def delivery_fee
+      return marketplace.delivery_fee if delivery_address.present?
+
+      0
+    end
 
     def price_total
       product_total + delivery_fee

app/furniture/marketplace/cart_policy.rb

@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+class Marketplace
+  class CartPolicy < ApplicationPolicy
+    alias_method :cart, :object
+    def permitted_attributes(_params = nil)
+      %i[delivery_address]
+    end
+
+    def create?
+      true
+    end
+
+    def update?
+      cart.shopper.person == current_person
+    end
+
+    class Scope < ApplicationScope
+      def resolve
+        scope.all
+      end
+    end
+  end
+end

app/furniture/marketplace/carts/_cart.html.erb

@@ -1,24 +1,44 @@
-<div class="-mx-4 mt-8 overflow-hidden shadow ring-1 ring-black ring-opacity-5 sm:-mx-6 md:mx-0 md:rounded-lg">
-  <table class="min-w-full divide-y divide-gray-300 table-fixed">
-    <thead class="bg-gray-50">
-      <tr>
-        <th scope="col" class="py-3.5 pl-4 pr-3 text-left text-sm font-semibold text-gray-900 sm:pl-6">
-          <%= Marketplace::Product.human_attribute_name(:name) %>
-        </th>
-        <th scope="col" class="hidden px-3 py-3.5 text-left text-sm font-semibold text-gray-900 lg:table-cell">
-          <%= Marketplace::Product.human_attribute_name(:description) %>
-        </th>
-        <th scope="col" class="hidden px-3 py-3.5 text-left text-sm font-semibold text-gray-900 sm:table-cell">
-          <%= Marketplace::Product.human_attribute_name(:price) %>
-        </th>
-        <th  scope="col" class="w-48">&nbsp;</th>
-      </tr>
-    </thead>
-    <tbody class="divide-y divide-gray-200 bg-white">
-      <%- cart.marketplace.products.each do |product| %>
-        <%= render cart.cart_products.find_or_initialize_by(product: product) %>
-      <%- end %>
-    </tbody>
-    <%= render "marketplace/carts/footer", cart: cart %>
-  </table>
+<div id="<%= dom_id(cart) %>">
+
+  <%- if cart.delivery_address.blank? %>
+    <%= form_with model: cart.location do |cart_form| %>
+      <%= render "text_field", attribute: :delivery_address, form: cart_form %>
+
+      <%= cart_form.submit %>
+    <%- end %>
+  <%- else %>
+    <div class="flex flex-wrap">
+      <p class="p-3">
+        Delivering to <%= cart.delivery_address %>
+
+      </p>
+      <%= button_to "Change Address", cart.location, params: { cart: { delivery_address: nil } }%>
+    </div>
+
+  <%- end %>
+
+  <div class="-mx-4 mt-8 overflow-hidden shadow ring-1 ring-black ring-opacity-5 sm:-mx-6 md:mx-0 md:rounded-lg">
+    <table class="min-w-full divide-y divide-gray-300 table-fixed">
+      <thead class="bg-gray-50">
+        <tr>
+          <th scope="col" class="py-3.5 pl-4 pr-3 text-left text-sm font-semibold text-gray-900 sm:pl-6">
+            <%= Marketplace::Product.human_attribute_name(:name) %>
+          </th>
+          <th scope="col" class="hidden px-3 py-3.5 text-left text-sm font-semibold text-gray-900 lg:table-cell">
+            <%= Marketplace::Product.human_attribute_name(:description) %>
+          </th>
+          <th scope="col" class="hidden px-3 py-3.5 text-left text-sm font-semibold text-gray-900 sm:table-cell">
+            <%= Marketplace::Product.human_attribute_name(:price) %>
+          </th>
+          <th  scope="col" class="w-48">&nbsp;</th>
+        </tr>
+      </thead>
+      <tbody class="divide-y divide-gray-200 bg-white">
+        <%- cart.marketplace.products.each do |product| %>
+          <%= render cart.cart_products.find_or_initialize_by(product: product) %>
+        <%- end %>
+      </tbody>
+      <%= render "marketplace/carts/footer", cart: cart %>
+    </table>
+  </div>
 </div>

app/furniture/marketplace/carts/_footer.html.erb

@@ -8,8 +8,9 @@
   <tr>
     <td class="text-left px-3 py-3.5 text-right" colspan="8">
       <%= render "marketplace/carts/total", cart: cart %>
-      <%= button_to("Checkout", cart.location(child: :checkout), data: { turbo: false }) %>
+      <%- if cart.delivery_address.present? %>
+        <%= button_to("Checkout", cart.location(child: :checkout), data: { turbo: false }) %>
+      <%- end %>
     </td>
-
   </tr>
 </tfoot>

app/furniture/marketplace/carts/_total.html.erb

@@ -1,10 +1,12 @@
-<span id="cart-total-<%= cart.id%>" class="w-full flex flex-col">
-  <span class="text-right">
+<span id="cart-total-<%= cart.id%>" class="w-full flex flex-col sm:text-right">
+  <span>
     Products:
     <%= humanized_money_with_symbol(cart.product_total) %></span>
-  <span class="text-right">Delivery:
-    <%= humanized_money_with_symbol(cart.delivery_fee) %></span>
-  <span class="text-right font-bold">
+  <%- if cart.delivery_address.present? %>
+    <span>Delivery:
+      <%= humanized_money_with_symbol(cart.delivery_fee) %></span>
+  <%- end %>
+  <span class="font-bold">
     Total: <%= humanized_money_with_symbol(cart.price_total) %>
     </span>
 </span>

app/furniture/marketplace/carts_controller.rb

@@ -0,0 +1,24 @@
+class Marketplace
+  class CartsController < Controller
+    def update
+      authorize(cart)
+      cart.update(cart_params)
+      respond_to do |format|
+        format.html do
+          redirect_to cart.room.location
+        end
+        format.turbo_stream do
+          render turbo_stream: [turbo_stream.replace(dom_id(cart), cart)]
+        end
+      end
+    end
+
+    def cart
+      policy_scope(marketplace.carts).find(params[:id])
+    end
+
+    def cart_params
+      policy(Cart).permit(params.require(:cart))
+    end
+  end
+end

app/furniture/marketplace/checkout.rb

@@ -16,9 +16,6 @@ def create_stripe_session(success_url:, cancel_url:)
         mode: "payment",
         success_url: success_url,
         cancel_url: cancel_url,
-        shipping_address_collection: {
-          allowed_countries: ["US"],
-        },
         payment_intent_data: {
           transfer_group: cart.id
         }

spec/furniture/marketplace/cart_spec.rb

@@ -22,7 +22,13 @@
       cart.cart_products.create!(product: product_b, quantity: 2)
     end
 
-    it { is_expected.to eql(product_a.price + product_b.price + product_b.price + marketplace.delivery_fee) }
+    it { is_expected.to eql(product_a.price + product_b.price * 2) }
+
+    context "when the #delivery_address is present" do
+      let(:cart) { create(:marketplace_cart, delivery_address: "123", marketplace: marketplace) }
+
+      it { is_expected.to eql(product_a.price + product_b.price + product_b.price + marketplace.delivery_fee) }
+    end
   end
 
   describe "#product_total" do

spec/furniture/marketplace/carts_controller_request_spec.rb

@@ -0,0 +1,21 @@
+require "rails_helper"
+
+RSpec.describe Marketplace::CartsController, type: :request do
+  let(:marketplace) { create(:marketplace) }
+  let(:space) { marketplace.space }
+  let(:room) { marketplace.room }
+  let(:person) { create(:person) }
+
+  let(:shopper) { create(:marketplace_shopper, person: person) }
+
+  describe "#update" do
+    it "changes the delivery address" do
+      cart = create(:marketplace_cart, marketplace: marketplace, shopper: shopper)
+      sign_in(space, person)
+
+      put polymorphic_path(cart.location), params: {cart: {delivery_address: "123 N West St"}}
+
+      expect(response).to redirect_to(room.location)
+    end
+  end
+end