Merge branch '52559-applications-api-get-delete' into 'master'

Add Applications API endpoints for listing and deleting entries.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/52559

See merge request https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/22296

1 files changed, 22 insertions, 0 deletions

diff --git a/app/finders/applications_finder.rb b/app/finders/applications_finder.rb
new file mode 100644
index 00000000000..3ded90f3fd5
--- /dev/null
+++ b/app/finders/applications_finder.rb
@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+class ApplicationsFinder
+  attr_reader :params
+
+  def initialize(params = {})
+    @params = params
+  end
+
+  def execute
+    applications = Doorkeeper::Application.where(owner_id: nil) # rubocop: disable CodeReuse/ActiveRecord
+    by_id(applications)
+  end
+
+  private
+
+  def by_id(applications)
+    return applications unless params[:id]
+
+    Doorkeeper::Application.find_by(id: params[:id]) # rubocop: disable CodeReuse/ActiveRecord
+  end
+end