Retrieve service desk usage from instances

doc/user/admin_area/settings/usage_statistics.md

@@ -74,9 +74,11 @@ The total number of the following is sent back to GitLab Inc.:
 - Protected branches
 - Releases
 - Remote mirrors
+- Service Desk projects
+- Service Desk issues
 - Web hooks
 
-Also, we track if you've installed Mattermost with GitLab. 
+Also, we track if you've installed Mattermost with GitLab.
 For example: `"mattermost_enabled":true"`.
 
 ## Privacy policy

lib/gitlab/usage_data.rb

@@ -49,7 +49,20 @@ module Gitlab
             todos: Todo.count,
             uploads: Upload.count,
             web_hooks: WebHook.count
-          }
+          }.merge(service_desk_counts)
+        }
+      end
+
+      def service_desk_counts
+        return {} unless ::License.current.add_on?('GitLab_ServiceDesk')
+
+        projects_with_service_desk = Project.where(service_desk_enabled: true)
+
+        {
+          service_desk_enabled_projects: projects_with_service_desk.count,
+          service_desk_issues: Issue.where(project: projects_with_service_desk,
+                                           author: User.support_bot,
+                                           confidential: true).count
         }
       end
 

spec/lib/gitlab/usage_data_spec.rb

 require 'spec_helper'
 
 describe Gitlab::UsageData do
-  let!(:project) { create(:project) }
-  let!(:project2) { create(:project) }
+  let!(:project) { create(:empty_project) }
+  let!(:project2) { create(:empty_project) }
   let!(:board) { create(:board, project: project) }
 
   describe '#data' do
-    subject { Gitlab::UsageData.data }
+    subject { described_class.data }
 
     it "gathers usage data" do
       expect(subject.keys).to match_array(%i(
@@ -68,8 +68,8 @@ describe Gitlab::UsageData do
     end
   end
 
-  describe '#license_usage_data' do
-    subject { Gitlab::UsageData.license_usage_data }
+  describe '.license_usage_data' do
+    subject { described_class.license_usage_data }
 
     it "gathers license data" do
       license = ::License.current
@@ -87,4 +87,29 @@ describe Gitlab::UsageData do
       expect(subject[:recorded_at]).to be_a(Time)
     end
   end
+
+  describe '.service_desk_counts' do
+    subject { described_class.service_desk_counts }
+
+    let!(:project3) { create(:empty_project, service_desk_enabled: true) }
+    let!(:project4) { create(:empty_project, service_desk_enabled: true) }
+
+    context 'when Service Desk is disabled' do
+      it 'returns an empty hash' do
+        allow_any_instance_of(License).to receive(:add_on?).with('GitLab_ServiceDesk').and_return(false)
+
+        expect(subject).to eq({})
+      end
+    end
+
+    context 'when Service Desk is enabled' do
+      it 'gathers Service Desk data' do
+        create_list(:issue, 3, confidential: true, author: User.support_bot, project: [project3, project4].sample)
+        allow_any_instance_of(License).to receive(:add_on?).with('GitLab_ServiceDesk').and_return(true)
+
+        expect(subject).to eq(service_desk_enabled_projects: 2,
+                              service_desk_issues: 3)
+      end
+    end
+  end
 end