From 8ccea81cba048021ed9eded83db15b383ecd4a32 Mon Sep 17 00:00:00 2001
From: Timothy Andrew <mail@timothyandrew.net>
Date: Wed, 24 Aug 2016 20:47:15 +0530
Subject: [PATCH] Display numbers for the "Issue (Tracker)" cycle analytics
metric.
1. Code is messy and untested, but it is a start.
---
.../projects/cycle_analytics_controller.rb | 32 +++++++++++++++++++
.../projects/cycle_analytics/show.html.haml | 1 +
config/routes.rb | 2 ++
3 files changed, 35 insertions(+)
create mode 100644 app/controllers/projects/cycle_analytics_controller.rb
create mode 100644 app/views/projects/cycle_analytics/show.html.haml
diff --git a/app/controllers/projects/cycle_analytics_controller.rb b/app/controllers/projects/cycle_analytics_controller.rb
new file mode 100644
index 00000000000..ed885729fbb
--- /dev/null
+++ b/app/controllers/projects/cycle_analytics_controller.rb
@@ -0,0 +1,32 @@
+class Projects::CycleAnalyticsController < Projects::ApplicationController
+ def show
+ @metrics = {
+ issue: issue
+ }
+ end
+
+ private
+
+ def issue
+ query = <<-HEREDOC
+ WITH ordered_data AS (
+ SELECT extract(milliseconds FROM (COALESCE(first_associated_with_milestone_at, first_added_to_board_at) - issues.created_at)) AS data_point,
+ row_number() over (order by (COALESCE(first_associated_with_milestone_at, first_added_to_board_at) - issues.created_at)) as row_id
+ FROM issues
+ INNER JOIN issue_metrics ON issue_metrics.issue_id = issues.id
+ WHERE COALESCE(first_associated_with_milestone_at, first_added_to_board_at) IS NOT NULL
+ ),
+
+ ct AS (
+ SELECT count(1) AS ct
+ FROM ordered_data
+ )
+
+ SELECT avg(data_point) AS median
+ FROM ordered_data
+ WHERE row_id between (select ct from ct)/2.0 and (select ct from ct)/2.0 + 1;
+ HEREDOC
+
+ ActiveRecord::Base.connection.execute(query).to_a.first['median']
+ end
+end
diff --git a/app/views/projects/cycle_analytics/show.html.haml b/app/views/projects/cycle_analytics/show.html.haml
new file mode 100644
index 00000000000..e9bdd71b30a
--- /dev/null
+++ b/app/views/projects/cycle_analytics/show.html.haml
@@ -0,0 +1 @@
+%pre= @metrics
diff --git a/config/routes.rb b/config/routes.rb
index 24f9b44a53a..270c71f1a00 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -779,6 +779,8 @@ Rails.application.routes.draw do
resources :environments
+ resource :cycle_analytics
+
resources :builds, only: [:index, :show], constraints: { id: /\d+/ } do
collection do
post :cancel_all
--
GitLab