Marketplace: Collect Taxes for Products with a TaxRate on `Chec…

…kout` - #1137 Whoooo! `TaxRate` gets calculated! And collected! Co-authored-by: Ana Ulin <anaulin@users.noreply.github.com> Co-authored-by: Dalton Pruitt <daltonrpruitt@users.noreply.github.com> Co-authored-by: Kelly Hong <KellyAH@users.noreply.github.com>
zinc-collective · Mar 9, 2023 · 3113dfc · 3113dfc
1 parent 074217c
commit 3113dfc
Show file tree

Hide file tree

Showing 5 changed files with 53 additions and 7 deletions.
diff --git a/app/furniture/marketplace/cart.rb b/app/furniture/marketplace/cart.rb
@@ -24,7 +24,7 @@ class Cart < Record
 
     def product_total
       cart_products.sum(0) do |cart_product|
-        cart_product.product.price * cart_product.quantity
+        cart_product.price_total
       end
     end
 
@@ -34,8 +34,14 @@ def delivery_fee
       0
     end
 
+    def tax_total
+      cart_products.sum(0) do |cart_product|
+        cart_product.tax_amount
+      end
+    end
+
     def price_total
-      product_total + delivery_fee
+      product_total + delivery_fee + tax_total
     end
   end
 end
diff --git a/app/furniture/marketplace/cart_product.rb b/app/furniture/marketplace/cart_product.rb
@@ -8,13 +8,23 @@ class CartProduct < Record
     delegate :shopper, to: :cart
 
     belongs_to :product, inverse_of: :cart_products
-    delegate :name, :description, :marketplace, :price, :price_cents, to: :product
+    delegate :name, :description, :marketplace, :price, :price_cents, :tax_rates, to: :product
 
     validates_uniqueness_of :product, scope: :cart_id
     validate :editable_cart
 
     attribute :quantity, :integer, default: 0
 
+    def tax_amount
+      price_total * (tax_rates.sum(0) do |tax_rate|
+        tax_rate.tax_rate
+      end / 100)
+    end
+
+    def price_total
+      product.price * quantity
+    end
+
     private
 
     def editable_cart

diff --git a/app/furniture/marketplace/carts/_total.html.erb b/app/furniture/marketplace/carts/_total.html.erb
@@ -2,6 +2,9 @@
   <span>
     Products:
     <%= humanized_money_with_symbol(cart.product_total) %></span>
+  <span>
+    Taxes:
+    <%= humanized_money_with_symbol(cart.tax_total) %></span>
   <%- if cart.delivery_address.present? %>
     <span>Delivery Fee:
       <%= humanized_money_with_symbol(cart.delivery_fee) %></span>

diff --git a/app/furniture/marketplace/checkout.rb b/app/furniture/marketplace/checkout.rb
@@ -29,7 +29,7 @@ def create_stripe_session(success_url:, cancel_url:)
     def stripe_line_items
       return [] if cart.blank?
 
-      stripe_cart_products_line_items + stripe_delivery_fee_line_items
+      stripe_cart_products_line_items + stripe_delivery_fee_line_items + stripe_taxes_line_items
     end
 
     private def stripe_cart_products_line_items
@@ -56,5 +56,14 @@ def stripe_line_items
          }}
       ]
     end
+
+    private def stripe_taxes_line_items
+      [{quantity: 1,
+        price_data: {
+          currency: "USD",
+          unit_amount: cart.tax_total,
+          product_data: {name: "Taxes"}
+        }}]
+    end
   end
 end
diff --git a/spec/furniture/marketplace/cart_spec.rb b/spec/furniture/marketplace/cart_spec.rb
@@ -15,26 +15,28 @@
     let(:marketplace) { create(:marketplace, delivery_fee_cents: 1200) }
     let(:cart) { create(:marketplace_cart, marketplace: marketplace) }
     let(:product_a) { create(:marketplace_product, marketplace: cart.marketplace) }
-    let(:product_b) { create(:marketplace_product, marketplace: cart.marketplace) }
+    let(:product_b) { create(:marketplace_product, marketplace: cart.marketplace, tax_rate_ids: [sales_tax.id]) }
+    let(:sales_tax) { create(:marketplace_tax_rate, marketplace: cart.marketplace, tax_rate: 5.0) }
 
     before do
       cart.cart_products.create!(product: product_a, quantity: 1)
       cart.cart_products.create!(product: product_b, quantity: 2)
     end
 
-    it { is_expected.to eql(product_a.price + product_b.price * 2) }
+    it { is_expected.to eql(product_a.price + product_b.price * 2 + (product_b.price * 2 * 0.05)) }
 
     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 * 2 + marketplace.delivery_fee) }
+      it { is_expected.to eql(product_a.price + product_b.price * 2 + marketplace.delivery_fee + (product_b.price * 2 * 0.05)) }
     end
   end
 
   describe "#product_total" do
     subject(:product_total) { cart.product_total }
 
     let(:cart) { create(:marketplace_cart) }
+
     let(:product_a) { create(:marketplace_product, marketplace: cart.marketplace) }
     let(:product_b) { create(:marketplace_product, marketplace: cart.marketplace) }
 
@@ -45,4 +47,20 @@
 
     it { is_expected.to eql(product_a.price * 3 + product_b.price * 2) }
   end
+
+  describe "#taxes_total" do
+    subject(:tax_total) { cart.tax_total }
+
+    let(:cart) { create(:marketplace_cart) }
+    let(:product_a) { create(:marketplace_product, marketplace: cart.marketplace) }
+    let(:product_b) { create(:marketplace_product, marketplace: cart.marketplace, tax_rate_ids: [sales_tax.id]) }
+    let(:sales_tax) { create(:marketplace_tax_rate, marketplace: cart.marketplace, tax_rate: 5.0) }
+
+    before do
+      cart.cart_products.create!(product: product_a, quantity: 3)
+      cart.cart_products.create!(product: product_b, quantity: 1)
+    end
+
+    it { is_expected.to eql(product_b.price * 0.05) }
+  end
 end