adds user's email to activity page for admins

app/helpers/users_helper.rb

@@ -35,4 +35,8 @@ module UsersHelper
     end
   end
 
+  def current_administrator?
+    current_user && current_user.administrator?
+  end
+
 end

app/views/users/show.html.erb

@@ -2,7 +2,13 @@
   <div class="activity row">
     <div class="small-12 column">
 
-      <h2><%= avatar_image(@user, seed: @user.id, size: 60) %> <%= @user.name %></h2>
+      <h2>
+        <%= avatar_image(@user, seed: @user.id, size: 60) %>
+        <%= @user.name %>
+        <% if current_administrator? %>
+          <small><%= @user.email %></small>
+        <% end %>
+      </h2>
 
       <% if @user.public_activity || @authorized_current_user %>
         <dl class="sub-nav">

spec/features/users_spec.rb

@@ -167,6 +167,38 @@ feature 'Users' do
       visit user_path(@user)
       expect(page).to_not have_content('activity list private')
     end
+
+    feature 'User email' do
+
+      background do
+        @user = create(:user)
+      end
+
+      scenario "is not shown if no user logged in" do
+        visit user_path(@user)
+        expect(page).to_not have_content(@user.email)
+      end
+
+      scenario "is not shown if logged in user is a regular user" do
+        login_as(create(:user))
+        visit user_path(@user)
+        expect(page).to_not have_content(@user.email)
+      end
+
+      scenario "is not shown if logged in user is moderator" do
+        login_as(create(:moderator).user)
+        visit user_path(@user)
+        expect(page).to_not have_content(@user.email)
+      end
+
+      scenario "is shown if logged in user is admin" do
+        login_as(create(:administrator).user)
+        visit user_path(@user)
+        expect(page).to have_content(@user.email)
+      end
+
+    end
+
   end
 
 end