Is the whole Psalter of Liturgia horarum ever said whole without interruption?

lh_whole_psalter_straight.rb

require 'calendarium-romanum/cr'
require 'set'
require 'colorize'
require 'optparse'

MEMORIALS_WITH_FESTAL_PSALMS = Set.new(%i[
agnes
baptist_beheading
bvm_sorrows
guardian_angels
bvm_rosary
martin
])

def is_privileged_sunday_or_ferial?(celebration)
  celebration.title.include?('Sunday') ||
    celebration.title.include?('of Holy Week')
end

def has_festal_psalms?(celebration)
  (celebration.rank >= CR::Ranks::FEAST_PROPER &&
   !is_privileged_sunday_or_ferial?(celebration)) ||
    MEMORIALS_WITH_FESTAL_PSALMS.include?(celebration.symbol)
end

def announce(psalter_days, date, verbose = false)
  return if psalter_days <= 0

  color =
    if psalter_days >= 28 # whole Psalter has 4 weeks
      :green
    elsif psalter_days > 20
      :yellow
    elsif psalter_days > 10
      :red
    else
      :white
    end
  puts "#{psalter_days} til #{date}".colorize(color) if color == :green || verbose
  sleep 3 if color == :green && verbose
end

verbose = false
OptionParser.new do |opts|
  opts.on '-v', '--verbose' do
    verbose = true
  end
end.parse!

calendar = CR::PerpetualCalendar.new sanctorale: CR::Data::GENERAL_ROMAN_ENGLISH.load

psalter_days = 0
last_season = nil

(Date.new(2000, 1, 1) .. Date.new(2050, 1, 1))
  .each do |date|
  day = calendar[date]
  if day.season != last_season
    # new season resets the Psalter
    puts "#{date}: #{day.season} begins, Psalter reset" if verbose
    announce psalter_days, date, verbose
    psalter_days = 0
    last_season = day.season
  end

  celebration = day.celebrations.first # take the first celebration, ignore optional memorials
  
  if has_festal_psalms?(celebration)
    puts "#{date}: #{celebration.title} has festal psalms" if verbose
    announce psalter_days, date, verbose
    psalter_days = 0
    next
  end

  psalter_days += 1
end