Add feature categories to ProjectsController::[E-H]*

Danger wants a commit body, but there's really not any more to say.
These are all best effort and not guaranteed to be 100% accurate.

app/controllers/projects/environments/prometheus_api_controller.rb

@@ -5,6 +5,8 @@ class Projects::Environments::PrometheusApiController < Projects::ApplicationCon
 
   before_action :proxyable
 
+  feature_category :metrics
+
   private
 
   def proxyable

app/controllers/projects/environments/sample_metrics_controller.rb

 # frozen_string_literal: true
 
 class Projects::Environments::SampleMetricsController < Projects::ApplicationController
+  feature_category :metrics
+
   def query
     result = Metrics::SampleMetricsService.new(params[:identifier], range_start: params[:start], range_end: params[:end]).query
 

app/controllers/projects/environments_controller.rb

@@ -25,6 +25,8 @@ class Projects::EnvironmentsController < Projects::ApplicationController
   before_action :expire_etag_cache, only: [:index], unless: -> { request.format.json? }
   after_action :expire_etag_cache, only: [:cancel_auto_stop]
 
+  feature_category :continuous_delivery
+
   def index
     @environments = project.environments
       .with_state(params[:scope] || :available)

app/controllers/projects/error_tracking/base_controller.rb

@@ -3,6 +3,8 @@
 class Projects::ErrorTracking::BaseController < Projects::ApplicationController
   POLLING_INTERVAL = 1_000
 
+  feature_category :error_tracking
+
   def set_polling_interval
     Gitlab::PollingInterval.set_header(response, interval: POLLING_INTERVAL)
   end

app/controllers/projects/error_tracking/projects_controller.rb

@@ -7,6 +7,8 @@ module Projects
 
       before_action :authorize_read_sentry_issue!
 
+      feature_category :error_tracking
+
       def index
         service = ::ErrorTracking::ListProjectsService.new(
           project,

app/controllers/projects/feature_flags_clients_controller.rb

@@ -4,6 +4,8 @@ class Projects::FeatureFlagsClientsController < Projects::ApplicationController
   before_action :authorize_admin_feature_flags_client!
   before_action :feature_flags_client
 
+  feature_category :feature_flags
+
   def reset_token
     feature_flags_client.reset_token!
 

app/controllers/projects/feature_flags_controller.rb

@@ -19,6 +19,8 @@ class Projects::FeatureFlagsController < Projects::ApplicationController
     push_frontend_feature_flag(:feature_flags_legacy_read_only_override, project)
   end
 
+  feature_category :feature_flags
+
   def index
     @feature_flags = FeatureFlagsFinder
       .new(project, current_user, scope: params[:scope])

app/controllers/projects/feature_flags_user_lists_controller.rb

@@ -4,6 +4,8 @@ class Projects::FeatureFlagsUserListsController < Projects::ApplicationControlle
   before_action :authorize_admin_feature_flags_user_lists!
   before_action :user_list, only: [:edit, :show]
 
+  feature_category :feature_flags
+
   def new
   end
 

app/controllers/projects/find_file_controller.rb

@@ -10,6 +10,8 @@ class Projects::FindFileController < Projects::ApplicationController
   before_action :assign_ref_vars
   before_action :authorize_download_code!
 
+  feature_category :source_code_management
+
   def show
     return render_404 unless @repository.commit(@ref)
 

app/controllers/projects/forks_controller.rb

@@ -14,6 +14,8 @@ class Projects::ForksController < Projects::ApplicationController
   before_action :authorize_fork_project!, only: [:new, :create]
   before_action :authorize_fork_namespace!, only: [:create]
 
+  feature_category :source_code_management
+
   def index
     @total_forks_count    = project.forks.size
     @public_forks_count   = project.forks.public_only.size

app/controllers/projects/grafana_api_controller.rb

@@ -4,6 +4,8 @@ class Projects::GrafanaApiController < Projects::ApplicationController
   include RenderServiceResults
   include MetricsDashboard
 
+  feature_category :metrics
+
   def proxy
     result = ::Grafana::ProxyService.new(
       project,

app/controllers/projects/graphs_controller.rb

@@ -11,6 +11,8 @@ class Projects::GraphsController < Projects::ApplicationController
 
   track_unique_visits :charts, target_id: 'p_analytics_repo'
 
+  feature_category :source_code_management
+
   def show
     respond_to do |format|
       format.html

app/controllers/projects/group_links_controller.rb

@@ -5,6 +5,8 @@ class Projects::GroupLinksController < Projects::ApplicationController
   before_action :authorize_admin_project!
   before_action :authorize_admin_project_member!, only: [:update]
 
+  feature_category :subgroups
+
   def create
     group = Group.find(params[:link_group_id]) if params[:link_group_id].present?
 

app/controllers/projects/hook_logs_controller.rb

@@ -12,6 +12,8 @@ class Projects::HookLogsController < Projects::ApplicationController
 
   layout 'project_settings'
 
+  feature_category :integrations
+
   def show
   end
 

app/controllers/projects/hooks_controller.rb

@@ -12,6 +12,8 @@ class Projects::HooksController < Projects::ApplicationController
 
   layout "project_settings"
 
+  feature_category :integrations
+
   def index
     @hooks = @project.hooks
     @hook = ProjectHook.new

ee/app/controllers/projects/feature_flag_issues_controller.rb

@@ -6,6 +6,8 @@ module Projects
 
     before_action :authorize_admin_feature_flags_issue_links!
 
+    feature_category :feature_flags
+
     private
 
     def create_service

spec/controllers/every_controller_spec.rb

@@ -28,7 +28,8 @@ RSpec.describe "Every controller" do
         next if controller.feature_category_for_action(action)
 
         next if controller.to_s.start_with?('P') &&
-                !child_controller.to_s.start_with?('A', 'B', 'C', 'D')
+                !child_controller.to_s.start_with?('A', 'B', 'C', 'D',
+                                                   'E', 'F', 'G', 'H')
 
         "#{controller}##{action}"
       end.compact