Resolve "Promote Issue/MR templates"

app/assets/stylesheets/pages/promotions.scss

@@ -128,3 +128,37 @@
   }
 }
 
+
+.promotion-issue-template-message {
+  padding: $gl-padding 30px 20px $gl-padding;
+
+  p {
+    margin-right: 20px;
+  }
+
+  .dropdown-title {
+    margin: 0 -25px;
+    padding: 0;
+    overflow: initial;
+    border-bottom: none;
+  }
+
+  .btn {
+    padding: $gl-vert-padding $gl-btn-padding;
+    border-radius: $border-radius-default;
+    display: inline-block;
+    line-height: $line-height-base;
+  }
+
+  .btn-link {
+    display: inline;
+    color: $gl-link-color;
+    padding: 0;
+
+    &:hover {
+      background-color: transparent;
+      color: $gl-link-hover-color;
+    }
+  }
+}
+

app/views/shared/issuable/form/_title.html.haml

@@ -30,7 +30,10 @@
         merge request from being merged before it's ready.
 
   - if no_issuable_templates && can?(current_user, :push_code, issuable.project)
-    %p.help-block
-      Add
-      = link_to 'description templates', help_page_path('user/project/description_templates'), tabindex: -1
-      to help your contributors communicate effectively!
+    - if show_promotions?
+      = render 'shared/promotions/promote_issue_templates'
+    - else
+      %p.help-block
+        Add
+        = link_to 'description templates', help_page_path('user/project/description_templates'), tabindex: -1
+        to help your contributors communicate effectively!

ee/app/views/shared/promotions/_promote_issue_templates.html.haml

+.help-block
+  = _('Add')
+  = link_to 'description templates', 'javascript:void(0);', id: 'promotion-issue-template-link', data: {toggle: 'dropdown'}
+  = _('to help your contributors communicate effectively!')
+  .dropdown.promotion-issue-template
+    .dropdown-menu.promotion-issue-template-message
+      .dropdown-title
+        %button.dropdown-title-button.dropdown-menu-close{ "aria-label" => "Close", :type => "button" }
+          %i.fa.fa-times.dropdown-menu-close-icon{ "aria-hidden" => "true", "data-hidden" => "true" }
+      %div
+        %p
+          = _('Description templates allow you to define context-specific templates for issue and merge request description fields for your project.')
+          = link_to _('Read more'), help_page_path('user/project/description_templates'), class: 'btn-link'
+        %div
+          = render 'shared/promotions/promotion_link_project'

spec/features/promotion_spec.rb

@@ -264,6 +264,23 @@ describe 'Promotions', js: true do
     end
   end
 
+  describe 'for issue templates', js: true do
+    before do
+      allow(License).to receive(:current).and_return(nil)
+      stub_application_setting(check_namespace_plan: false)
+
+      project.team << [user, :master]
+      sign_in(user)
+    end
+
+    it 'should appear on the page', js: true do
+      visit new_project_issue_path(project)
+      wait_for_requests
+      find('#promotion-issue-template-link').click
+      expect(find('.promotion-issue-template-message')).to have_content 'Description templates allow you to define context-specific templates for issue and merge request description fields for your project.'
+    end
+  end
+
   describe 'for project audit events', js: true do
     before do
       allow(License).to receive(:current).and_return(nil)