Show service desk address field only of enabled

Shows the settings field only if service_Desk_email is configured.

app/assets/javascripts/projects/settings_service_desk/components/service_desk_root.vue

@@ -30,6 +30,10 @@ export default {
       required: false,
       default: '',
     },
+    customEmailEnabled: {
+      type: Boolean,
+      required: false,
+    },
     selectedTemplate: {
       type: String,
       required: false,
@@ -140,6 +144,7 @@ export default {
       :is-enabled="isEnabled"
       :incoming-email="incomingEmail"
       :custom-email="updatedCustomEmail"
+      :custom-email-enabled="customEmailEnabled"
       :initial-selected-template="selectedTemplate"
       :initial-outgoing-name="outgoingName"
       :initial-project-key="projectKey"

app/assets/javascripts/projects/settings_service_desk/components/service_desk_setting.vue

@@ -31,6 +31,10 @@ export default {
       required: false,
       default: '',
     },
+    customEmailEnabled: {
+      type: Boolean,
+      required: false,
+    },
     initialSelectedTemplate: {
       type: String,
       required: false,
@@ -69,7 +73,7 @@ export default {
       return [''].concat(this.templates);
     },
     hasProjectKeySupport() {
-      return Boolean(this.glFeatures.serviceDeskCustomAddress);
+      return Boolean(this.customEmailEnabled);
     },
     email() {
       return this.customEmail || this.incomingEmail;

app/assets/javascripts/projects/settings_service_desk/index.js

@@ -18,6 +18,7 @@ export default () => {
           endpoint: dataset.endpoint,
           incomingEmail: dataset.incomingEmail,
           customEmail: dataset.customEmail,
+          customEmailEnabled: parseBoolean(dataset.customEmailEnabled),
           selectedTemplate: dataset.selectedTemplate,
           outgoingName: dataset.outgoingName,
           projectKey: dataset.projectKey,
@@ -31,6 +32,7 @@ export default () => {
             endpoint: this.endpoint,
             incomingEmail: this.incomingEmail,
             customEmail: this.customEmail,
+            customEmailEnabled: this.customEmailEnabled,
             selectedTemplate: this.selectedTemplate,
             outgoingName: this.outgoingName,
             projectKey: this.projectKey,

app/controllers/projects_controller.rb

@@ -41,7 +41,6 @@ class ProjectsController < Projects::ApplicationController
   end
 
   before_action only: [:edit] do
-    push_frontend_feature_flag(:service_desk_custom_address, @project)
     push_frontend_feature_flag(:approval_suggestions, @project, default_enabled: true)
   end
 

app/models/project.rb

@@ -2499,8 +2499,7 @@ class Project < ApplicationRecord
   end
 
   def service_desk_custom_address
-    return unless ::Gitlab::ServiceDeskEmail.enabled?
-    return unless ::Feature.enabled?(:service_desk_custom_address, self)
+    return unless service_desk_custom_address_enabled?
 
     key = service_desk_setting&.project_key
     return unless key.present?
@@ -2508,6 +2507,10 @@ class Project < ApplicationRecord
     ::Gitlab::ServiceDeskEmail.address_for_key("#{full_path_slug}-#{key}")
   end
 
+  def service_desk_custom_address_enabled?
+    ::Gitlab::ServiceDeskEmail.enabled? && ::Feature.enabled?(:service_desk_custom_address, self)
+  end
+
   def root_namespace
     if namespace.has_parent?
       namespace.root_ancestor

app/views/projects/_service_desk_settings.html.haml

@@ -12,6 +12,7 @@
         enabled: "#{@project.service_desk_enabled}",
         incoming_email: (@project.service_desk_incoming_address if @project.service_desk_enabled),
         custom_email: (@project.service_desk_custom_address if @project.service_desk_enabled),
+        custom_email_enabled: "#{@project.service_desk_custom_address_enabled?}",
         selected_template: "#{@project.service_desk_setting&.issue_template_key}",
         outgoing_name: "#{@project.service_desk_setting&.outgoing_name}",
         project_key: "#{@project.service_desk_setting&.project_key}",

spec/features/projects/settings/service_desk_setting_spec.rb

@@ -14,20 +14,57 @@ RSpec.describe 'Service Desk Setting', :js do
     allow_any_instance_of(Project).to receive(:present).with(current_user: user).and_return(presenter)
     allow(::Gitlab::IncomingEmail).to receive(:enabled?) { true }
     allow(::Gitlab::IncomingEmail).to receive(:supports_wildcard?) { true }
-
-    visit edit_project_path(project)
   end
 
   it 'shows activation checkbox' do
+    visit edit_project_path(project)
+
     expect(page).to have_selector("#service-desk-checkbox")
   end
 
-  it 'shows incoming email after activating' do
-    find("#service-desk-checkbox").click
-    wait_for_requests
-    project.reload
-    expect(project.service_desk_enabled).to be_truthy
-    expect(project.service_desk_address).to be_present
-    expect(find('[data-testid="incoming-email"]').value).to eq(project.service_desk_address)
+  context 'when service_desk_email is disabled' do
+    before do
+      allow(::Gitlab::ServiceDeskEmail).to receive(:enabled?).and_return(false)
+
+      visit edit_project_path(project)
+    end
+
+    it 'shows incoming email but not project name suffix after activating' do
+      find("#service-desk-checkbox").click
+
+      wait_for_requests
+
+      project.reload
+      expect(project.service_desk_enabled).to be_truthy
+      expect(project.service_desk_address).to be_present
+      expect(find('[data-testid="incoming-email"]').value).to eq(project.service_desk_incoming_address)
+      expect(page).not_to have_selector('#service-desk-project-suffix')
+    end
+  end
+
+  context 'when service_desk_email is enabled' do
+    before do
+      allow(::Gitlab::ServiceDeskEmail).to receive(:enabled?) { true }
+      allow(::Gitlab::ServiceDeskEmail).to receive(:address_for_key) { 'address-suffix@example.com' }
+
+      visit edit_project_path(project)
+    end
+
+    it 'allows setting of custom address suffix' do
+      find("#service-desk-checkbox").click
+      wait_for_requests
+
+      project.reload
+      expect(find('[data-testid="incoming-email"]').value).to eq(project.service_desk_incoming_address)
+
+      page.within '#js-service-desk' do
+        fill_in('service-desk-project-suffix', with: 'foo')
+        click_button 'Save changes'
+      end
+
+      wait_for_requests
+
+      expect(find('[data-testid="incoming-email"]').value).to eq('address-suffix@example.com')
+    end
   end
 end

spec/models/project_spec.rb

@@ -1535,6 +1535,42 @@ RSpec.describe Project, factory_default: :keep do
     end
   end
 
+  describe '.service_desk_custom_address_enabled?' do
+    let_it_be(:project) { create(:project, service_desk_enabled: true) }
+
+    subject(:address_enabled) { project.service_desk_custom_address_enabled? }
+
+    context 'when service_desk_email is enabled' do
+      before do
+        allow(::Gitlab::ServiceDeskEmail).to receive(:enabled?).and_return(true)
+      end
+
+      it 'returns true' do
+        expect(address_enabled).to be_truthy
+      end
+
+      context 'when service_desk_custom_address flag is disabled' do
+        before do
+          stub_feature_flags(service_desk_custom_address: false)
+        end
+
+        it 'returns false' do
+          expect(address_enabled).to be_falsey
+        end
+      end
+    end
+
+    context 'when service_desk_email is disabled' do
+      before do
+        allow(::Gitlab::ServiceDeskEmail).to receive(:enabled?).and_return(false)
+      end
+
+      it 'returns false when service_desk_email is disabled' do
+        expect(address_enabled).to be_falsey
+      end
+    end
+  end
+
   describe '.find_by_service_desk_project_key' do
     it 'returns the correct project' do
       project1 = create(:project)