do not display link to send direct message

app/views/users/show.html.erb

@@ -2,11 +2,11 @@
   <div class="activity row margin-top">
     <div class="small-12 column">
 
-      <% if @user != current_user %> <!-- AND RECEIVE PRIVATE MESSAGES == TRUE -->
+      <% if @user != current_user && @user.email_on_direct_message? %>
         <%= link_to t("users.show.send_private_message"),
                     new_user_direct_message_path(@user),
                     class: "button hollow float-right" %>
-        <!-- ELSE -->
+      <% else %>
         <div class="callout primary float-right">
           <%= t("users.show.no_private_messages") %>
         </div>

spec/features/direct_messages_spec.rb

@@ -24,7 +24,7 @@ feature 'Direct messages' do
 
   context "Permissions" do
 
-    scenario "Link to send the message" do
+    scenario "Do not display link to send message to myself" do
       sender = create(:user, :level_two)
 
       login_as(sender)
@@ -33,6 +33,17 @@ feature 'Direct messages' do
       expect(page).to_not have_link "Send private message"
     end
 
+    scenario "Do not display link if direct message for user not allowed" do
+      sender   = create(:user, :level_two)
+      receiver = create(:user, :level_two, email_on_direct_message: false)
+
+      login_as(sender)
+      visit user_path(receiver)
+
+      expect(page).to have_content "This user doesn't accept private messages."
+      expect(page).to_not have_link "Send private message"
+    end
+
     scenario "Accessing form directly" do
       user = create(:user)
       author = create(:user)