Add latest changes from gitlab-org/gitlab@13-4-stable-ee

1 files changed, 49 insertions, 0 deletions

diff --git a/app/services/static_site_editor/config_service.rb b/app/services/static_site_editor/config_service.rb
new file mode 100644
index 00000000000..987ee071976
--- /dev/null
+++ b/app/services/static_site_editor/config_service.rb
@@ -0,0 +1,49 @@
+# frozen_string_literal: true
+
+module StaticSiteEditor
+  class ConfigService < ::BaseContainerService
+    ValidationError = Class.new(StandardError)
+
+    def execute
+      @project = container
+      check_access!
+
+      ServiceResponse.success(payload: data)
+    rescue ValidationError => e
+      ServiceResponse.error(message: e.message)
+    end
+
+    private
+
+    attr_reader :project
+
+    def check_access!
+      unless can?(current_user, :download_code, project)
+        raise ValidationError, 'Insufficient permissions to read configuration'
+      end
+    end
+
+    def data
+      check_for_duplicate_keys!
+      generated_data.merge(file_data)
+    end
+
+    def generated_data
+      @generated_data ||= Gitlab::StaticSiteEditor::Config::GeneratedConfig.new(
+        project.repository,
+        params.fetch(:ref),
+        params.fetch(:path),
+        params[:return_url]
+      ).data
+    end
+
+    def file_data
+      @file_data ||= Gitlab::StaticSiteEditor::Config::FileConfig.new.data
+    end
+
+    def check_for_duplicate_keys!
+      duplicate_keys = generated_data.keys & file_data.keys
+      raise ValidationError.new("Duplicate key(s) '#{duplicate_keys}' found.") if duplicate_keys.present?
+    end
+  end
+end