Log user last activity on in GraphQL

app/controllers/graphql_controller.rb

@@ -19,6 +19,7 @@ class GraphqlController < ApplicationController
 
   before_action :authorize_access_api!
   before_action(only: [:execute]) { authenticate_sessionless_user!(:api) }
+  before_action :set_user_last_activity
 
   # Since we deactivate authentication from the main ApplicationController and
   # defer it to :authorize_access_api!, we need to override the bypass session
@@ -47,6 +48,12 @@ class GraphqlController < ApplicationController
 
   private
 
+  def set_user_last_activity
+    return unless current_user
+
+    Users::ActivityService.new(current_user).execute
+  end
+
   def execute_multiplex
     GitlabSchema.multiplex(multiplex_queries, context: context)
   end

changelogs/unreleased/graphql_log_user_last_activity_on.yml

+---
+title: Add user last_activity logging in GraphQL
+merge_request: 23063
+author:
+type: fixed

doc/api/users.md

@@ -1409,6 +1409,7 @@ The activities that update the timestamp are:
 - User logging in into GitLab
 - User visiting pages related to Dashboards, Projects, Issues, and Merge Requests ([introduced](https://gitlab.com/gitlab-org/gitlab-foss/issues/54947) in GitLab 11.8)
 - User using the API
+- User using the GraphQL API
 
 By default, it shows the activity for all users in the last 6 months, but this can be
 amended by using the `from` parameter.

doc/user/instance_statistics/user_cohorts.md

@@ -26,3 +26,4 @@ How do we measure the activity of users? GitLab considers a user active if:
 - The user has Git activity (whether push or pull).
 - The user visits pages related to Dashboards, Projects, Issues, and Merge Requests ([introduced](https://gitlab.com/gitlab-org/gitlab-foss/issues/54947) in GitLab 11.8).
 - The user uses the API
+- The user uses the GraphQL API

spec/controllers/graphql_controller_spec.rb

@@ -32,7 +32,7 @@ describe GraphqlController do
 
   describe 'POST #execute' do
     context 'when user is logged in' do
-      let(:user) { create(:user) }
+      let(:user) { create(:user, last_activity_on: Date.yesterday) }
 
       before do
         sign_in(user)
@@ -56,6 +56,19 @@ describe GraphqlController do
         expect(response).to have_gitlab_http_status(:forbidden)
         expect(response).to render_template('errors/access_denied')
       end
+
+      it 'updates the users last_activity_on field' do
+        expect { post :execute }.to change { user.reload.last_activity_on }
+      end
+    end
+
+    context 'when user uses an API token' do
+      let(:user) { create(:user, last_activity_on: Date.yesterday) }
+      let(:token) { create(:personal_access_token, user: user, scopes: [:api]) }
+
+      it 'updates the users last_activity_on field' do
+        expect { post :execute, params: { access_token: token.token } }.to change { user.reload.last_activity_on }
+      end
     end
 
     context 'when user is not logged in' do