diff options
Diffstat (limited to 'app/models')
-rw-r--r-- | app/models/cycle_analytics.rb | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/app/models/cycle_analytics.rb b/app/models/cycle_analytics.rb new file mode 100644 index 00000000000..d037b1fef12 --- /dev/null +++ b/app/models/cycle_analytics.rb @@ -0,0 +1,40 @@ +class CycleAnalytics + def issue + issues = Issue.includes(:metrics).where("issue_metrics.id IS NOT NULL").references(:issue_metrics).to_a + start_time_fn = -> (issue) { issue.created_at } + end_time_fn = -> (issue) { issue.metrics.first_associated_with_milestone_at.presence || issue.metrics.first_added_to_board_at.presence } + + calculate_metric(issues, start_time_fn, end_time_fn) + end + + def plan + issues = Issue.includes(:metrics).where("issue_metrics.id IS NOT NULL").references(:issue_metrics).to_a + start_time_fn = -> (issue) { issue.metrics.first_associated_with_milestone_at.presence || issue.metrics.first_added_to_board_at.presence } + end_time_fn = lambda do |issue| + merge_requests = issue.closed_by_merge_requests + merge_requests.map(&:created_at).min if merge_requests.present? + end + + calculate_metric(issues, start_time_fn, end_time_fn) + end + + private + + def calculate_metric(data, start_time_fn, end_time_fn) + times = data.map do |data_point| + start_time = start_time_fn[data_point] + end_time = end_time_fn[data_point] + + if start_time.present? && end_time.present? + end_time - start_time + end + end + + median(times.compact) + end + + def median(coll) + size = coll.length + (coll[size / 2] + coll[(size - 1) / 2]) / 2.0 + end +end |