1 files changed, 41 insertions, 0 deletions
diff --git a/lib/api/dependency_proxy.rb b/lib/api/dependency_proxy.rb
new file mode 100644
index 00000000000..3379bb2f029
--- /dev/null
+++ b/lib/api/dependency_proxy.rb
@@ -0,0 +1,41 @@
+# frozen_string_literal: true
+
+module API
+  class DependencyProxy < ::API::Base
+    helpers ::API::Helpers::PackagesHelpers
+
+    feature_category :dependency_proxy
+
+    helpers do
+      def obtain_new_purge_cache_lease
+        Gitlab::ExclusiveLease
+          .new("dependency_proxy:delete_group_blobs:#{user_group.id}",
+               timeout: 1.hour)
+          .try_obtain
+      end
+    end
+
+    before do
+      authorize! :admin_group, user_group
+    end
+
+    params do
+      requires :id, type: String, desc: 'The ID of a group'
+    end
+    resource :groups, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
+      desc 'Deletes all dependency_proxy_blobs for a group' do
+        detail 'This feature was introduced in GitLab 12.10'
+      end
+      delete ':id/dependency_proxy/cache' do
+        not_found! unless user_group.dependency_proxy_feature_available?
+
+        message = 'This request has already been made. It may take some time to purge the cache. You can run this at most once an hour for a given group'
+        render_api_error!(message, 409) unless obtain_new_purge_cache_lease
+
+        # rubocop:disable CodeReuse/Worker
+        PurgeDependencyProxyCacheWorker.perform_async(current_user.id, user_group.id)
+        # rubocop:enable CodeReuse/Worker
+      end
+    end
+  end
+end