Move cycle analytics JSON generation to a helper.

1. Use a new format, with each stage having a `title`, `description`,
   and `value.

1 files changed, 24 insertions, 0 deletions

diff --git a/app/helpers/cycle_analytics_helper.rb b/app/helpers/cycle_analytics_helper.rb
new file mode 100644
index 00000000000..c49c51642ed
--- /dev/null
+++ b/app/helpers/cycle_analytics_helper.rb
@@ -0,0 +1,24 @@
+module CycleAnalyticsHelper
+  include ActionView::Helpers::DateHelper
+
+  def cycle_analytics_json(cycle_analytics)
+    cycle_analytics_view_data = [[:issue, "Issue", "Time before an issue gets scheduled"],
+                                 [:plan, "Plan", "Time before an issue starts implementation"],
+                                 [:code, "Code", "Time until first merge request"],
+                                 [:test, "Test", "Total test time for all commits/merges"],
+                                 [:review, "Review", "Time between MR creation and merge/close"],
+                                 [:staging, "Staging", "From MR merge until deploy to production"],
+                                 [:production, "Production", "From issue creation until deploy to production"]]
+
+    stats = cycle_analytics_view_data.reduce({}) do |hash, (stage_method, stage_text, stage_description)|
+      hash[stage_method] = {
+        title: stage_text,
+        description: stage_description,
+        value: distance_of_time_in_words(cycle_analytics.send(stage_method))
+      }
+      hash
+    end
+
+    { stats: stats }
+  end
+end