Module: PlanningDates

Included in:
CriticalChainPage, DecisionsOverview
Defined in:
lib/almirah/doc_types/planning_dates.rb

Overview

Shared date bucketing for the planning views (ADR-182): the recent Fridays a time-series trail is sampled on. Used by the overview's velocity chart and the Critical Chain page's fever-chart trail (ADR-196).

Instance Method Summary collapse

Instance Method Details

#recent_fridays(reference_date, count) ⇒ Object

count Fridays ending at the Friday on or before reference_date, oldest first.



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# File 'lib/almirah/doc_types/planning_dates.rb', line 11

def recent_fridays(reference_date, count)
  friday_wday = 5
  days_back = (reference_date.wday - friday_wday) % 7
  most_recent = reference_date - days_back
  (0...count).to_a.reverse.map { |i| most_recent - (7 * i) }
end