1 files changed, 16 insertions, 9 deletions
diff --git a/lib/gitlab/metrics_dashboard/processor.rb b/lib/gitlab/metrics_dashboard/processor.rb
index 3b8ab27a07b..ef9d75947f0 100644
--- a/lib/gitlab/metrics_dashboard/processor.rb
+++ b/lib/gitlab/metrics_dashboard/processor.rb
@@ -2,26 +2,33 @@
 
 module Gitlab
   module MetricsDashboard
+    # Responsible for processesing a dashboard hash, inserting
+    # relevantDB records & sorting for proper rendering in
+    # the UI. These includes shared metric info, custom metrics
+    # info, and alerts (only in EE).
     class Processor
-      def initialize(dashboard, project, environment)
-        @dashboard = dashboard.deep_transform_keys(&:to_sym)
+      def initialize(project, environment)
         @project = project
         @environment = environment
       end
 
-      def stages
-        @stages ||= [
+      def sequence
+        [
           Stages::CommonMetricsInserter,
           Stages::ProjectMetricsInserter,
           Stages::Sorter
-        ].freeze
+        ]
       end
 
-      def process
-        stage_params = [@dashboard, @project, @environment]
-        stages.each { |stage| stage.new(*stage_params).transform! }
+      # Returns a new dashboard hash with the results of
+      # running transforms on the dashboard.
+      def process(dashboard)
+        dashboard = dashboard.deep_transform_keys(&:to_sym)
 
-        @dashboard
+        stage_params = [@project, @environment]
+        sequence.each { |stage| stage.new(*stage_params).transform!(dashboard) }
+
+        dashboard
       end
     end
   end