Add ability to fetch managment link for a Customer

lib/chargify_api_ares.rb

@@ -11,6 +11,7 @@
 require 'chargify_api_ares/resources/customer_metadata'
 require 'chargify_api_ares/resources/customer'
 require 'chargify_api_ares/resources/event'
+require 'chargify_api_ares/resources/management_link'
 require 'chargify_api_ares/resources/migration'
 require 'chargify_api_ares/resources/payment'
 require 'chargify_api_ares/resources/payment_profile'

lib/chargify_api_ares/resources/customer.rb

@@ -15,6 +15,11 @@ def subscriptions(params = {})
       Subscription.find(:all, :params => params)
     end
 
+    def management_link(params = {})
+      params.merge!(:from => "/portal/customers/#{self.id}/management_link")
+      ManagementLink.find(:one, params)
+    end
+
     def payment_profiles(params = {})
       params.merge!({:customer_id => self.id})
       PaymentProfile.find(:all, :params => params)

lib/chargify_api_ares/resources/management_link.rb

@@ -0,0 +1,9 @@
+module Chargify
+  class ManagementLink < Base
+    self.prefix = '/portal/customers/:customer_id/'
+
+    def self.collection_name
+      element_name
+    end
+  end
+end

spec/resources/customer_spec.rb

@@ -38,4 +38,16 @@
     end
   end
 
+  context '#management_link' do
+    let(:customer)        { Chargify::Customer.create(:id => 5, :reference => 'sigma') }
+    let(:management_link) { Chargify::ManagementLink.create(:customer_id => customer.id, :url => 'https://www.billingportal.com/manage/1/2/3') }
+
+    before(:each) do
+      FakeWeb.register_uri(:get, "#{test_domain}/portal/customers/#{customer.id}/management_link", :body => management_link.attributes.to_xml)
+    end
+
+    it "returns the management link belonging to the customer" do
+      expect(customer.management_link.attributes).to eq(management_link.attributes)
+    end
+  end
 end