fix up name space collisions

app/controllers/discourse_donations/charges_controller.rb

@@ -7,26 +7,30 @@ module DiscourseDonations
     skip_before_filter :verify_authenticity_token, only: [:create]
 
     def create
+      output = { 'messages' => [], 'rewards' => [] }
+
       if create_account && (email.nil? || email.empty?)
-        response = {'messages' => ['Please enter your email address']}
+        output['messages'] << 'Please enter your email address'
       elsif create_account && params[:username].nil?
-        response = {'messages' => ['Please enter a username']}
+        output['messages'] << 'Please enter a username'
       else
         payment = DiscourseDonations::Stripe.new(secret_key, stripe_options)
-        response = payment.charge(email, params)
-        response['messages'] = [response['outcome']['seller_message']]
+        charge = payment.charge(email, params)
+        output['messages'] = [charge['outcome']['seller_message']]
       end
 
-      response['rewards'] = []
+      if payment.nil?
+        render(:json => output) and return
+      end
 
       if reward?(payment)
         if current_user.present?
           reward = DiscourseDonations::Rewards.new(current_user)
           if reward.add_to_group(group_name)
-            response['rewards'] << { type: :group, name: group_name }
+            output['rewards'] << { type: :group, name: group_name }
           end
           if reward.grant_badge(badge_name)
-            response['rewards'] << { type: :badge, name: badge_name }
+            output['rewards'] << { type: :badge, name: badge_name }
           end
         elsif email.present?
           if group_name.present?
@@ -40,7 +44,7 @@ module DiscourseDonations
         end
       end
 
-      render :json => response
+      render :json => output
     end
 
     private

spec/controllers/discourse_donations/charges_controller_spec.rb

@@ -14,14 +14,13 @@ module DiscourseDonations
 
     it 'responds ok for anonymous users' do
       post :create, { email: 'foobar@example.com' }
-      expect(body['messages']).to include(body['outcome']['seller_message'])
+      expect(body['messages']).to include('Payment complete.')
       expect(response).to have_http_status(200)
     end
 
-    it 'responds ok when the email is empty' do
+    it 'responds with a message when the email is empty' do
       post :create, { create_account: 'true', email: '' }
       expect(body['messages']).to include('Please enter your email address')
-      expect(response).to have_http_status(200)
     end
 
     it 'responds ok when the email is empty' do
@@ -46,7 +45,7 @@ module DiscourseDonations
     describe 'rewards' do
       let(:group_name) { 'Zasch' }
       let(:badge_name) { 'Beanie' }
-      let(:response_rewards) { JSON.parse(response.body)['rewards'] }
+      let(:body) { JSON.parse(response.body) }
       let(:stripe) { ::Stripe::Charge }
       let!(:grp) { Fabricate(:group, name: group_name) }
       let!(:badge) { Fabricate(:badge, name: badge_name) }
@@ -61,7 +60,7 @@ module DiscourseDonations
 
         it 'has no rewards' do
           post :create
-          expect(response_rewards).to be_empty
+          expect(body['rewards']).to be_empty
         end
 
         it 'stores the email in group:add and badge:grant and adds them' do
@@ -81,17 +80,17 @@ module DiscourseDonations
         it 'has no rewards' do
           stripe.expects(:create).returns({ 'outcome' => { 'seller_message' => 'bummer' } })
           post :create
-          expect(response_rewards).to be_empty
+          expect(body['rewards']).to be_empty
         end
 
         it 'awards a group' do
           post :create
-          expect(response_rewards).to include({'type' => 'group', 'name' => group_name})
+          expect(body['rewards']).to include({'type' => 'group', 'name' => group_name})
         end
 
         it 'awards a badge' do
           post :create
-          expect(response_rewards).to include({'type' => 'badge', 'name' => badge_name})
+          expect(body['rewards']).to include({'type' => 'badge', 'name' => badge_name})
         end
       end
     end