1 files changed, 47 insertions, 0 deletions
diff --git a/lib/gitlab/phabricator_import/worker_state.rb b/lib/gitlab/phabricator_import/worker_state.rb
new file mode 100644
index 00000000000..38829e34509
--- /dev/null
+++ b/lib/gitlab/phabricator_import/worker_state.rb
@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+module Gitlab
+  module PhabricatorImport
+    class WorkerState
+      def initialize(project_id)
+        @project_id = project_id
+      end
+
+      def add_job
+        redis.with do |r|
+          r.pipelined do |pipe|
+            pipe.incr(all_jobs_key)
+            pipe.expire(all_jobs_key, timeout)
+          end
+        end
+      end
+
+      def remove_job
+        redis.with do |r|
+          r.decr(all_jobs_key)
+        end
+      end
+
+      def running_count
+        redis.with { |r| r.get(all_jobs_key) }.to_i
+      end
+
+      private
+
+      attr_reader :project_id
+
+      def redis
+        Gitlab::Redis::SharedState
+      end
+
+      def all_jobs_key
+        @all_jobs_key ||= "phabricator-import/jobs/project-#{project_id}/job-count"
+      end
+
+      def timeout
+        # Make sure we get rid of all the information after a job is marked
+        # as failed/succeeded
+        StuckImportJobsWorker::IMPORT_JOBS_EXPIRATION
+      end
+    end
+  end
+end