Add latest changes from gitlab-org/gitlab@master

1 files changed, 89 insertions, 0 deletions

diff --git a/app/services/metrics/dashboard/update_dashboard_service.rb b/app/services/metrics/dashboard/update_dashboard_service.rb
new file mode 100644
index 00000000000..316563ecbe7
--- /dev/null
+++ b/app/services/metrics/dashboard/update_dashboard_service.rb
@@ -0,0 +1,89 @@
+# frozen_string_literal: true
+
+# Updates the content of a specified dashboard in .yml file inside `.gitlab/dashboards`
+module Metrics
+  module Dashboard
+    class UpdateDashboardService < ::BaseService
+      ALLOWED_FILE_TYPE = '.yml'
+      USER_DASHBOARDS_DIR = ::Metrics::Dashboard::ProjectDashboardService::DASHBOARD_ROOT
+
+      def execute
+        catch(:error) do
+          throw(:error, error(_(%q(You can't commit to this project)), :forbidden)) unless push_authorized?
+
+          result = ::Files::UpdateService.new(project, current_user, dashboard_attrs).execute
+          throw(:error, result.merge(http_status: :bad_request)) unless result[:status] == :success
+
+          success(result.merge(http_status: :created, dashboard: dashboard_details))
+        end
+      end
+
+      private
+
+      def dashboard_attrs
+        {
+          commit_message: params[:commit_message],
+          file_path: update_dashboard_path,
+          file_content: update_dashboard_content,
+          encoding: 'text',
+          branch_name: branch,
+          start_branch: repository.branch_exists?(branch) ? branch : project.default_branch
+        }
+      end
+
+      def dashboard_details
+        {
+          path: update_dashboard_path,
+          display_name: ::Metrics::Dashboard::ProjectDashboardService.name_for_path(update_dashboard_path),
+          default: false,
+          system_dashboard: false
+        }
+      end
+
+      def push_authorized?
+        Gitlab::UserAccess.new(current_user, project: project).can_push_to_branch?(branch)
+      end
+
+      def branch
+        @branch ||= begin
+          throw(:error, error(_('There was an error updating the dashboard, branch name is invalid.'), :bad_request)) unless valid_branch_name?
+          throw(:error, error(_('There was an error updating the dashboard, branch named: %{branch} already exists.') % { branch: params[:branch] }, :bad_request)) unless new_or_default_branch?
+
+          params[:branch]
+        end
+      end
+
+      def new_or_default_branch?
+        !repository.branch_exists?(params[:branch]) || project.default_branch == params[:branch]
+      end
+
+      def valid_branch_name?
+        Gitlab::GitRefValidator.validate(params[:branch])
+      end
+
+      def update_dashboard_path
+        File.join(USER_DASHBOARDS_DIR, file_name)
+      end
+
+      def target_file_type_valid?
+        File.extname(params[:file_name]) == ALLOWED_FILE_TYPE
+      end
+
+      def file_name
+        @file_name ||= begin
+          throw(:error, error(_('The file name should have a .yml extension'), :bad_request)) unless target_file_type_valid?
+
+          File.basename(CGI.unescape(params[:file_name]))
+        end
+      end
+
+      def update_dashboard_content
+        ::PerformanceMonitoring::PrometheusDashboard.from_json(params[:file_content]).to_yaml
+      end
+
+      def repository
+        @repository ||= project.repository
+      end
+    end
+  end
+end