implement cart_total_price function

anndoko · May 9, 2017 · d6b68ed · d6b68ed
1 parent 156c377
commit d6b68ed
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Showing 3 changed files with 14 additions and 1 deletion.
diff --git a/app/helpers/carts_helper.rb b/app/helpers/carts_helper.rb
@@ -1,2 +1,5 @@
 module CartsHelper
+  def render_cart_total_price(cart)
+    cart.total_price
+  end
 end
diff --git a/app/models/cart.rb b/app/models/cart.rb
@@ -9,4 +9,14 @@ def add_product_to_cart(product)
     ci.quantity = 1
     ci.save
   end
+
+  def total_price
+    sum = 0
+    cart_items.each do |cart_item|
+      if cart_item.product.price.present?
+        sum  = cart_item.quantity * cart_item.product.price
+      end
+    end
+    sum
+  end
 end
diff --git a/app/views/carts/index.html.erb b/app/views/carts/index.html.erb
@@ -43,7 +43,7 @@
 
     <div class="total clearfix">
       <span class="pull-right">
-         <span> 總計 xxx RMB  </span>
+        總計 <%= render_cart_total_price(current_cart) %> RMB
       </span>
     </div>