From 012a210782ef457aea0e0baef093da9b386638a2 Mon Sep 17 00:00:00 2001
From: Rohan Mitchell <rohan@rohanmitchell.com>
Date: Tue, 28 Jul 2015 14:37:25 +1000
Subject: [PATCH] Add method to clear cart

---
 app/assets/javascripts/darkswarm/services/cart.js.coffee     | 3 +++
 spec/javascripts/unit/darkswarm/services/cart_spec.js.coffee | 5 +++++
 2 files changed, 8 insertions(+)

diff --git a/app/assets/javascripts/darkswarm/services/cart.js.coffee b/app/assets/javascripts/darkswarm/services/cart.js.coffee
index 286b22c770..5e1f5889d4 100644
--- a/app/assets/javascripts/darkswarm/services/cart.js.coffee
+++ b/app/assets/javascripts/darkswarm/services/cart.js.coffee
@@ -69,6 +69,9 @@ Darkswarm.factory 'Cart', (CurrentOrder, Variants, $timeout, $http)->
       exists = @line_items.some (li)-> li.variant == variant
       @create_line_item(variant) unless exists
 
+    clear: ->
+      @line_items = []
+
     create_line_item: (variant)->
       variant.extended_name = @extendedVariantName(variant)
       variant.line_item =
diff --git a/spec/javascripts/unit/darkswarm/services/cart_spec.js.coffee b/spec/javascripts/unit/darkswarm/services/cart_spec.js.coffee
index cc65f043cd..0519b59763 100644
--- a/spec/javascripts/unit/darkswarm/services/cart_spec.js.coffee
+++ b/spec/javascripts/unit/darkswarm/services/cart_spec.js.coffee
@@ -71,6 +71,11 @@ describe 'Cart service', ->
     $timeout.flush()
     expect(Cart.orderChanged).toHaveBeenCalled()
 
+  it "clears the cart", ->
+    expect(Cart.line_items).not.toEqual []
+    Cart.clear()
+    expect(Cart.line_items).toEqual []
+
   describe "generating an extended variant name", ->
     it "returns the product name when it is the same as the variant name", ->
       variant = {product_name: 'product_name', name_to_display: 'product_name'}