WIP - started refactoring cycle analytics median stuff into stages

1 files changed, 7 insertions, 40 deletions

diff --git a/app/models/cycle_analytics.rb b/app/models/cycle_analytics.rb
index ba4ee6fcf9d..5e33273c9ba 100644
--- a/app/models/cycle_analytics.rb
+++ b/app/models/cycle_analytics.rb
@@ -1,17 +1,17 @@
 class CycleAnalytics
   STAGES = %i[issue plan code test review staging production].freeze
 
-  def initialize(project, current_user, from:)
+  def initialize(project, from:)
     @project = project
-    @current_user = current_user
-    @from = from
-    @fetcher = Gitlab::CycleAnalytics::MetricsFetcher.new(project: project, from: from, branch: nil)
+    @options = options
   end
 
   def summary
-    @summary ||= Summary.new(@project, @current_user, from: @from)
+    @summary ||= Summary.new(@project, from: @options[:from])
   end
 
+  def method_missing(method_sym, *arguments, &block)
+    classify_stage(method_sym).new(project: @project, options: @options, stage: method_sym)
   def permissions(user:)
     Gitlab::CycleAnalytics::Permissions.get(user: user, project: @project)
   end
@@ -23,40 +23,7 @@ class CycleAnalytics
                       Issue::Metrics.arel_table[:first_added_to_board_at]])
   end
 
-  def plan
-    @fetcher.calculate_metric(:plan,
-                     [Issue::Metrics.arel_table[:first_associated_with_milestone_at],
-                      Issue::Metrics.arel_table[:first_added_to_board_at]],
-                     Issue::Metrics.arel_table[:first_mentioned_in_commit_at])
-  end
-
-  def code
-    @fetcher.calculate_metric(:code,
-                     Issue::Metrics.arel_table[:first_mentioned_in_commit_at],
-                     MergeRequest.arel_table[:created_at])
-  end
-
-  def test
-    @fetcher.calculate_metric(:test,
-                     MergeRequest::Metrics.arel_table[:latest_build_started_at],
-                     MergeRequest::Metrics.arel_table[:latest_build_finished_at])
-  end
-
-  def review
-    @fetcher.calculate_metric(:review,
-                     MergeRequest.arel_table[:created_at],
-                     MergeRequest::Metrics.arel_table[:merged_at])
-  end
-
-  def staging
-    @fetcher.calculate_metric(:staging,
-                     MergeRequest::Metrics.arel_table[:merged_at],
-                     MergeRequest::Metrics.arel_table[:first_deployed_to_production_at])
-  end
-
-  def production
-    @fetcher.calculate_metric(:production,
-                     Issue.arel_table[:created_at],
-                     MergeRequest::Metrics.arel_table[:first_deployed_to_production_at])
+  def classify_stage(method_sym)
+    "Gitlab::CycleAnalytics::#{method_sym.to_s.capitalize}Stage".constantize
   end
 end