Clarify why Service Desk feature is unavailable

Before this change, the Service Desk feature was invisible to the user
if the configuration was invalid. This commit fixes this so that the
Service Desk feature is visible and tells the user that their
configuration is invalid.

ee/app/views/projects/issues/_service_desk_info_content.html.haml

@@ -6,24 +6,34 @@
 - can_edit_project_settings = can?(current_user, :admin_project, @project)
 - title_text = _("Use Service Desk to connect with your users (e.g. to offer customer support) through email right inside GitLab")
 
-%div{ class: "#{callout_selector}" }
-  .svg-content
-    = render svg_path
+- if ::EE::Gitlab::ServiceDesk.supported?
+  %div{ class: "#{callout_selector}" }
+    .svg-content
+      = render svg_path
 
-  %div{ class: is_empty_state ? "text-content" : "prepend-top-10 prepend-left-default" }
-    - if is_empty_state
-      %h4= title_text
-    - else
-      %h5= title_text
+    %div{ class: is_empty_state ? "text-content" : "prepend-top-10 prepend-left-default" }
+      - if is_empty_state
+        %h4= title_text
+      - else
+        %h5= title_text
 
-    - if can_edit_project_settings && service_desk_enabled
-      %p
-        = _("Have your users email")
-        %code= @project.service_desk_address
+      - if can_edit_project_settings && service_desk_enabled
+        %p
+          = _("Have your users email")
+          %code= @project.service_desk_address
 
-    %span= _("Those emails automatically become issues (with the comments becoming the email conversation) listed here.")
-    = link_to _('Read more'), help_page_path('user/project/service_desk')
+      %span= _("Those emails automatically become issues (with the comments becoming the email conversation) listed here.")
+      = link_to _('Read more'), help_page_path('user/project/service_desk')
 
-    - if can_edit_project_settings && !service_desk_enabled
-      %div{ class: is_empty_state ? "text-center" : "prepend-top-10" }
-        = link_to _("Turn on Service Desk"), edit_project_path(@project), class: 'btn btn-success'
+      - if can_edit_project_settings && !service_desk_enabled
+        %div{ class: is_empty_state ? "text-center" : "prepend-top-10" }
+          = link_to _("Turn on Service Desk"), edit_project_path(@project), class: 'btn btn-success'
+- else
+  .empty-state
+    .svg-content
+      = render 'shared/empty_states/icons/service_desk_setup.svg'
+    .text-content
+      %h4= _('Service Desk is enabled but not yet active')
+      %p
+        = _("You must set up incoming email before it becomes active.")
+        = link_to _('More information'), help_page_path('administration/incoming_email', anchor: 'set-it-up')

ee/app/views/projects/issues/service_desk.html.haml

@@ -12,9 +12,9 @@
     = render 'shared/issuable/nav', type: :issues
     .nav-controls.d-block.d-sm-none
       = render "projects/issues/nav_btns", show_feed_buttons: false, show_import_button: false, show_export_button: false
-  = render 'shared/issuable/search_bar', type: :issues
 
   - if @issues.present?
+    = render 'shared/issuable/search_bar', type: :issues
     = render 'service_desk_info_content'
 
   .issues-holder

ee/app/views/projects/sidebar/_issues_service_desk.html.haml

-- return unless EE::Gitlab::ServiceDesk.enabled?(project: @project)
+- return unless EE::Gitlab::ServiceDesk.available?(project: @project)
 
 = nav_link(controller: :issues, action: :service_desk ) do
   = link_to service_desk_project_issues_path(@project), title: 'Service Desk' do

ee/app/views/shared/empty_states/icons/_service_desk_setup.svg

+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="430" height="167" viewBox="0 0 430 167">
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ee/changelogs/unreleased/14755-clarify-why-service-desk-feature-is-unavailable.yml

+---
+title: Clarify why Service Desk feature is unavailable
+merge_request: 19244
+author:
+type: fixed

ee/lib/ee/gitlab/service_desk.rb

@@ -7,8 +7,14 @@ module EE
       # feature. Use `project.service_desk_enabled?` to check whether it is
       # enabled for a particular project.
       def self.enabled?(project: nil)
-        return unless ::Gitlab::IncomingEmail.enabled? && ::Gitlab::IncomingEmail.supports_wildcard?
+        supported? && available?(project: project)
+      end
+
+      def self.supported?
+        ::Gitlab::IncomingEmail.enabled? && ::Gitlab::IncomingEmail.supports_wildcard?
+      end
 
+      def self.available?(project: nil)
         (project || ::License).feature_available?(:service_desk)
       end
     end

ee/spec/features/issues/service_desk_spec.rb

@@ -8,9 +8,9 @@ describe 'Service Desk Issue Tracker', :js do
 
   before do
     allow(License).to receive(:feature_available?).and_call_original
-    allow(License).to receive(:feature_available?).with(:service_desk) { true }
-    allow(Gitlab::IncomingEmail).to receive(:enabled?) { true }
-    allow(Gitlab::IncomingEmail).to receive(:supports_wildcard?) { true }
+    allow(License).to receive(:feature_available?).with(:service_desk).and_return(true)
+    allow(Gitlab::IncomingEmail).to receive(:enabled?).and_return(true)
+    allow(Gitlab::IncomingEmail).to receive(:supports_wildcard?).and_return(true)
 
     project.add_maintainer(user)
     sign_in(user)
@@ -29,6 +29,20 @@ describe 'Service Desk Issue Tracker', :js do
   end
 
   describe 'issues list' do
+    context 'when service desk is misconfigured' do
+      before do
+        allow(EE::Gitlab::ServiceDesk).to receive(:supported?).and_return(false)
+        visit service_desk_project_issues_path(project)
+      end
+
+      it 'shows a message to say the configuration is incomplete' do
+        expect(page).to have_css('.empty-state')
+        expect(page).to have_text('Service Desk is enabled but not yet active')
+        expect(page).to have_text('You must set up incoming email before it becomes active')
+        expect(page).to have_link('More information', href: help_page_path('administration/incoming_email', anchor: 'set-it-up'))
+      end
+    end
+
     context 'when service desk has not been activated' do
       let(:project_without_service_desk) { create(:project, :private, service_desk_enabled: false) }
 

ee/spec/lib/ee/gitlab/service_desk_spec.rb

@@ -5,35 +5,65 @@ require 'spec_helper'
 describe EE::Gitlab::ServiceDesk do
   before do
     stub_licensed_features(service_desk: true)
-    allow(::Gitlab::IncomingEmail).to receive(:enabled?) { true }
-    allow(::Gitlab::IncomingEmail).to receive(:supports_wildcard?) { true }
+    allow(::Gitlab::IncomingEmail).to receive(:enabled?).and_return(true)
+    allow(::Gitlab::IncomingEmail).to receive(:supports_wildcard?).and_return(true)
   end
 
-  subject { described_class.enabled? }
+  describe 'enabled?' do
+    subject { described_class.enabled? }
 
-  it { is_expected.to be_truthy }
+    it { is_expected.to be_truthy }
 
-  context 'when license does not support service desk' do
-    before do
-      stub_licensed_features(service_desk: false)
+    context 'when service desk is not available' do
+      before do
+        allow(described_class).to receive(:available?).and_return(false)
+      end
+
+      it { is_expected.to be_falsy }
     end
 
-    it { is_expected.to be_falsy }
+    context 'when service desk is not supported' do
+      before do
+        allow(described_class).to receive(:supported?).and_return(false)
+      end
+
+      it { is_expected.to be_falsy }
+    end
   end
 
-  context 'when incoming emails are disabled' do
-    before do
-      allow(::Gitlab::IncomingEmail).to receive(:enabled?) { false }
+  describe 'supported?' do
+    subject { described_class.supported? }
+
+    it { is_expected.to be_truthy }
+
+    context 'when incoming emails are disabled' do
+      before do
+        allow(::Gitlab::IncomingEmail).to receive(:enabled?).and_return(false)
+      end
+
+      it { is_expected.to be_falsy }
     end
 
-    it { is_expected.to be_falsy }
-  end
+    context 'when email key is not supported' do
+      before do
+        allow(::Gitlab::IncomingEmail).to receive(:supports_wildcard?).and_return(false)
+      end
 
-  context 'when email key is not supported' do
-    before do
-      allow(::Gitlab::IncomingEmail).to receive(:supports_wildcard?) { false }
+      it { is_expected.to be_falsy }
     end
+  end
+
+  describe 'available?' do
+    subject { described_class.available? }
 
-    it { is_expected.to be_falsy }
+    it { is_expected.to be_truthy }
+
+    context 'when license does not support service desk' do
+      before do
+        stub_licensed_features(service_desk: false)
+      end
+
+      it { is_expected.to be_falsy }
+    end
   end
 end

locale/gitlab.pot

@@ -15510,6 +15510,9 @@ msgstr ""
 msgid "Service Desk"
 msgstr ""
 
+msgid "Service Desk is enabled but not yet active"
+msgstr ""
+
 msgid "Service Templates"
 msgstr ""
 
@@ -19902,6 +19905,9 @@ msgstr ""
 msgid "You must select a stack for configuring your cloud provider. Learn more about"
 msgstr ""
 
+msgid "You must set up incoming email before it becomes active."
+msgstr ""
+
 msgid "You need a different license to enable FileLocks feature"
 msgstr ""