Merge pull request #327 from codeforamerica/show-version-number-in-ad…

…min-interface

Display Ohana API version for super admins.

app/helpers/application_helper.rb

@@ -1,2 +1,5 @@
 module ApplicationHelper
+  def version
+    @version ||= File.read('VERSION')
+  end
 end

app/views/admin/dashboard/index.html.haml

@@ -32,4 +32,5 @@
     %p= link_to 'Download all regular schedules as CSV', admin_csv_regular_schedules_path, class: 'btn btn-primary'
     %p= link_to 'Download all services as CSV', admin_csv_services_path, class: 'btn btn-primary'
 
-
+    %hr
+    Ohana API #{link_to "v#{version}", 'https://github.com/codeforamerica/ohana-api/blob/master/CHANGELOG.md'}

spec/features/admin/dashboard_spec.rb

@@ -221,4 +221,29 @@
         to have_link('Download all services as CSV', admin_csv_services_path)
     end
   end
+
+  describe 'Ohana API version' do
+    before do
+      allow(File).to receive(:read).with('VERSION').and_return('1.0.0')
+    end
+    let(:prefix) { 'https://github.com/codeforamerica/ohana-api/blob/master/' }
+
+    context 'super admin' do
+      it 'displays Ohana API version number' do
+        login_super_admin
+        visit '/admin'
+
+        expect(page).to have_link 'v1.0.0', href: "#{prefix}CHANGELOG.md"
+      end
+    end
+
+    context 'regular admin' do
+      it 'does not display Ohana API version number' do
+        login_admin
+        visit '/admin'
+
+        expect(page).to_not have_link 'v1.0.0', href: "#{prefix}CHANGELOG.md"
+      end
+    end
+  end
 end