Class: CalendariumRomanum::Temporale

Inherits:
Object
  • Object
show all
Defined in:
lib/calendarium-romanum/temporale.rb,
lib/calendarium-romanum/temporale/dates.rb,
lib/calendarium-romanum/temporale/extensions.rb,
lib/calendarium-romanum/temporale/date_helper.rb,
lib/calendarium-romanum/temporale/easter_table.rb,
lib/calendarium-romanum/temporale/celebration_factory.rb,
lib/calendarium-romanum/temporale/extensions/christ_eternal_priest.rb,
lib/calendarium-romanum/temporale/extensions/dedication_before_all_saints.rb

Overview

One of the two main Calendar components. Handles seasons and celebrations of the temporale cycle for a given liturgical year.

Defined Under Namespace

Modules: DateHelper, Dates, Extensions Classes: CelebrationFactory, EasterTable

Constant Summary collapse

WEEK =

How many days in a week

7
SUNDAY_TRANSFERABLE_SOLEMNITIES =

Which solemnities can be transferred to Sunday

%i(epiphany ascension corpus_christi).freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(year, extensions: [], transfer_to_sunday: []) ⇒ Temporale

Returns a new instance of Temporale.

Parameters:

  • year (Integer) —

    the civil year when the liturgical year begins

  • extensions (Array<#each_celebration>) (defaults to: []) —

    extensions implementing custom temporale celebrations

  • transfer_to_sunday (Array<Symbol>) (defaults to: []) —

    which solemnities should be transferred to a nearby Sunday - see SUNDAY_TRANSFERABLE_SOLEMNITIES for possible values



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# File 'lib/calendarium-romanum/temporale.rb', line 23

def initialize(year, extensions: [], transfer_to_sunday: [])
  @year = year

  @extensions = extensions
  @transfer_to_sunday = transfer_to_sunday.sort
  validate_sunday_transfer!

  prepare_solemnities
end

Instance Attribute Details

#year ⇒ Integer (readonly)

Returns:

  • (Integer) 


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# File 'lib/calendarium-romanum/temporale.rb', line 34

def year
  @year
end

Class Method Details

.celebrations ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/calendarium-romanum/temporale.rb', line 80

def celebrations
  @celebrations ||=
    begin
      %i(
        nativity
        holy_family
        mother_of_god
        epiphany
        baptism_of_lord
        ash_wednesday
        good_friday
        holy_saturday
        palm_sunday
        easter_sunday
        ascension
        pentecost
        holy_trinity
        corpus_christi
        mother_of_church
        sacred_heart
        christ_king
        immaculate_heart
      ).collect do |symbol|
        date_method = symbol
        C.new(
          date_method,
          CelebrationFactory.public_send(symbol)
        )
      end
      # Immaculate Heart of Mary and Mary, Mother of the Church
      # are actually movable *sanctorale* feasts,
      # but as it would make little sense
      # to add support for movable sanctorale feasts because of
      # two, we cheat a bit and handle them in temporale.
    end
end

.create_celebration(title, rank, colour, symbol: nil, date: nil, sunday: nil) ⇒ Object

Factory method creating temporale Celebrations with sensible defaults

See Celebration#initialize for argument description.



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# File 'lib/calendarium-romanum/temporale.rb', line 64

def create_celebration(title, rank, colour, symbol: nil, date: nil, sunday: nil)
  Celebration.new(
    title: title,
    rank: rank,
    colour: colour,
    symbol: symbol,
    date: date,
    cycle: :temporale,
    sunday: sunday
  )
end

.for_day(date) ⇒ Temporale

Creates an instance for the liturgical year including given date

Parameters:

  • date (Date)

Returns:



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# File 'lib/calendarium-romanum/temporale.rb', line 56

def for_day(date)
  new(liturgical_year(date))
end

.liturgical_year(date) ⇒ Integer

Determines liturgical year for the given date

Parameters:

  • date (Date)

Returns:

  • (Integer) 


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# File 'lib/calendarium-romanum/temporale.rb', line 41

def liturgical_year(date)
  year = date.year

  if date < Dates.first_advent_sunday(year)
    return year - 1
  end

  year
end

Instance Method Details

#==(b) ⇒ Boolean

Returns:

  • (Boolean)

Since:

  • 0.6.0



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# File 'lib/calendarium-romanum/temporale.rb', line 349

def ==(b)
  self.class == b.class &&
    year == b.year &&
    transfer_to_sunday == b.transfer_to_sunday &&
    Set.new(extensions) == Set.new(b.extensions)
end

#[](date) ⇒ Celebration

Retrieve temporale celebration for the given day

Parameters:

  • date (Date)

Returns:

Since:

  • 0.6.0



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# File 'lib/calendarium-romanum/temporale.rb', line 308

def [](date)
  sw = season_and_week(date)

  @solemnities[date] || @feasts[date] || sunday(date, sw) || @memorials[date] || ferial(date, sw)
end

#ascension ⇒ Date

Returns:

  • (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 200

(celebrations.collect(&:date_method) + [:first_advent_sunday])
  .each do |feast|
  if SUNDAY_TRANSFERABLE_SOLEMNITIES.include? feast
    define_method feast do
      Dates.public_send feast, year, sunday: transferred_to_sunday?(feast)
    end
  elsif feast == :baptism_of_lord
    define_method feast do
      Dates.public_send feast, year, epiphany_on_sunday: transferred_to_sunday?(:epiphany)
    end
  else
    define_method feast do
      Dates.public_send feast, year
    end
  end
end

#ash_wednesday ⇒ Date

Returns:

  • (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 200

(celebrations.collect(&:date_method) + [:first_advent_sunday])
  .each do |feast|
  if SUNDAY_TRANSFERABLE_SOLEMNITIES.include? feast
    define_method feast do
      Dates.public_send feast, year, sunday: transferred_to_sunday?(feast)
    end
  elsif feast == :baptism_of_lord
    define_method feast do
      Dates.public_send feast, year, epiphany_on_sunday: transferred_to_sunday?(:epiphany)
    end
  else
    define_method feast do
      Dates.public_send feast, year
    end
  end
end

#baptism_of_lord ⇒ Date

Returns:

  • (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 200

(celebrations.collect(&:date_method) + [:first_advent_sunday])
  .each do |feast|
  if SUNDAY_TRANSFERABLE_SOLEMNITIES.include? feast
    define_method feast do
      Dates.public_send feast, year, sunday: transferred_to_sunday?(feast)
    end
  elsif feast == :baptism_of_lord
    define_method feast do
      Dates.public_send feast, year, epiphany_on_sunday: transferred_to_sunday?(:epiphany)
    end
  else
    define_method feast do
      Dates.public_send feast, year
    end
  end
end

#christ_king ⇒ Date

Returns:

  • (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 200

(celebrations.collect(&:date_method) + [:first_advent_sunday])
  .each do |feast|
  if SUNDAY_TRANSFERABLE_SOLEMNITIES.include? feast
    define_method feast do
      Dates.public_send feast, year, sunday: transferred_to_sunday?(feast)
    end
  elsif feast == :baptism_of_lord
    define_method feast do
      Dates.public_send feast, year, epiphany_on_sunday: transferred_to_sunday?(:epiphany)
    end
  else
    define_method feast do
      Dates.public_send feast, year
    end
  end
end

#corpus_christi ⇒ Date

Returns:

  • (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 200

(celebrations.collect(&:date_method) + [:first_advent_sunday])
  .each do |feast|
  if SUNDAY_TRANSFERABLE_SOLEMNITIES.include? feast
    define_method feast do
      Dates.public_send feast, year, sunday: transferred_to_sunday?(feast)
    end
  elsif feast == :baptism_of_lord
    define_method feast do
      Dates.public_send feast, year, epiphany_on_sunday: transferred_to_sunday?(:epiphany)
    end
  else
    define_method feast do
      Dates.public_send feast, year
    end
  end
end

#date_range ⇒ Range<Date>

Date range of the liturgical year

Returns:

  • (Range<Date>) 


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# File 'lib/calendarium-romanum/temporale.rb', line 143

def date_range
  start_date .. end_date
end

#each_day {|Date, Celebration| ... } ⇒ void, Enumerator

Enumerates dates and celebrations

Yields:

Returns:

  • (void, Enumerator) —

    if called without a block, returns Enumerator

Since:

  • 0.8.0



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# File 'lib/calendarium-romanum/temporale.rb', line 341

def each_day
  return to_enum(__method__) unless block_given?

  date_range.each {|date| yield date, self[date] }
end

#easter_sunday ⇒ Date

Returns:

  • (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 200

(celebrations.collect(&:date_method) + [:first_advent_sunday])
  .each do |feast|
  if SUNDAY_TRANSFERABLE_SOLEMNITIES.include? feast
    define_method feast do
      Dates.public_send feast, year, sunday: transferred_to_sunday?(feast)
    end
  elsif feast == :baptism_of_lord
    define_method feast do
      Dates.public_send feast, year, epiphany_on_sunday: transferred_to_sunday?(:epiphany)
    end
  else
    define_method feast do
      Dates.public_send feast, year
    end
  end
end

#end_date ⇒ Date

Last day of the liturgical year

Returns:

  • (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 136

def end_date
  Dates.first_advent_sunday(year + 1) - 1
end

#epiphany ⇒ Date

Returns:

  • (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 200

(celebrations.collect(&:date_method) + [:first_advent_sunday])
  .each do |feast|
  if SUNDAY_TRANSFERABLE_SOLEMNITIES.include? feast
    define_method feast do
      Dates.public_send feast, year, sunday: transferred_to_sunday?(feast)
    end
  elsif feast == :baptism_of_lord
    define_method feast do
      Dates.public_send feast, year, epiphany_on_sunday: transferred_to_sunday?(:epiphany)
    end
  else
    define_method feast do
      Dates.public_send feast, year
    end
  end
end

#first_advent_sunday ⇒ Date

Returns:

  • (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 200

(celebrations.collect(&:date_method) + [:first_advent_sunday])
  .each do |feast|
  if SUNDAY_TRANSFERABLE_SOLEMNITIES.include? feast
    define_method feast do
      Dates.public_send feast, year, sunday: transferred_to_sunday?(feast)
    end
  elsif feast == :baptism_of_lord
    define_method feast do
      Dates.public_send feast, year, epiphany_on_sunday: transferred_to_sunday?(:epiphany)
    end
  else
    define_method feast do
      Dates.public_send feast, year
    end
  end
end

#get(date) ⇒ Celebration #get(month, day) ⇒ Celebration

Retrieve temporale celebration for the given day

Overloads:

  • #get(date) ⇒ Celebration

    Parameters:

    • date (Date)
  • #get(month, day) ⇒ Celebration

    Parameters:

    • month (Integer)
    • day (Integer)

Returns:



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# File 'lib/calendarium-romanum/temporale.rb', line 322

def get(*args)
  if args.size == 1 && args[0].is_a?(Date)
    date = args[0]
  else
    month, day = args
    date = Date.new @year, month, day
    unless date_range.include? date
      date = Date.new @year + 1, month, day
    end
  end

  self[date]
end

#good_friday ⇒ Date

Returns:

  • (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 200

(celebrations.collect(&:date_method) + [:first_advent_sunday])
  .each do |feast|
  if SUNDAY_TRANSFERABLE_SOLEMNITIES.include? feast
    define_method feast do
      Dates.public_send feast, year, sunday: transferred_to_sunday?(feast)
    end
  elsif feast == :baptism_of_lord
    define_method feast do
      Dates.public_send feast, year, epiphany_on_sunday: transferred_to_sunday?(:epiphany)
    end
  else
    define_method feast do
      Dates.public_send feast, year
    end
  end
end

#holy_family ⇒ Date

Returns:

  • (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 200

(celebrations.collect(&:date_method) + [:first_advent_sunday])
  .each do |feast|
  if SUNDAY_TRANSFERABLE_SOLEMNITIES.include? feast
    define_method feast do
      Dates.public_send feast, year, sunday: transferred_to_sunday?(feast)
    end
  elsif feast == :baptism_of_lord
    define_method feast do
      Dates.public_send feast, year, epiphany_on_sunday: transferred_to_sunday?(:epiphany)
    end
  else
    define_method feast do
      Dates.public_send feast, year
    end
  end
end

#holy_saturday ⇒ Date

Returns:

  • (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 200

(celebrations.collect(&:date_method) + [:first_advent_sunday])
  .each do |feast|
  if SUNDAY_TRANSFERABLE_SOLEMNITIES.include? feast
    define_method feast do
      Dates.public_send feast, year, sunday: transferred_to_sunday?(feast)
    end
  elsif feast == :baptism_of_lord
    define_method feast do
      Dates.public_send feast, year, epiphany_on_sunday: transferred_to_sunday?(:epiphany)
    end
  else
    define_method feast do
      Dates.public_send feast, year
    end
  end
end

#holy_trinity ⇒ Date

Returns:

  • (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 200

(celebrations.collect(&:date_method) + [:first_advent_sunday])
  .each do |feast|
  if SUNDAY_TRANSFERABLE_SOLEMNITIES.include? feast
    define_method feast do
      Dates.public_send feast, year, sunday: transferred_to_sunday?(feast)
    end
  elsif feast == :baptism_of_lord
    define_method feast do
      Dates.public_send feast, year, epiphany_on_sunday: transferred_to_sunday?(:epiphany)
    end
  else
    define_method feast do
      Dates.public_send feast, year
    end
  end
end

#immaculate_heart ⇒ Date

Returns:

  • (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 200

(celebrations.collect(&:date_method) + [:first_advent_sunday])
  .each do |feast|
  if SUNDAY_TRANSFERABLE_SOLEMNITIES.include? feast
    define_method feast do
      Dates.public_send feast, year, sunday: transferred_to_sunday?(feast)
    end
  elsif feast == :baptism_of_lord
    define_method feast do
      Dates.public_send feast, year, epiphany_on_sunday: transferred_to_sunday?(:epiphany)
    end
  else
    define_method feast do
      Dates.public_send feast, year
    end
  end
end

#mother_of_church ⇒ Date

Returns:

  • (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 200

(celebrations.collect(&:date_method) + [:first_advent_sunday])
  .each do |feast|
  if SUNDAY_TRANSFERABLE_SOLEMNITIES.include? feast
    define_method feast do
      Dates.public_send feast, year, sunday: transferred_to_sunday?(feast)
    end
  elsif feast == :baptism_of_lord
    define_method feast do
      Dates.public_send feast, year, epiphany_on_sunday: transferred_to_sunday?(:epiphany)
    end
  else
    define_method feast do
      Dates.public_send feast, year
    end
  end
end

#mother_of_god ⇒ Date

Returns:

  • (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 200

(celebrations.collect(&:date_method) + [:first_advent_sunday])
  .each do |feast|
  if SUNDAY_TRANSFERABLE_SOLEMNITIES.include? feast
    define_method feast do
      Dates.public_send feast, year, sunday: transferred_to_sunday?(feast)
    end
  elsif feast == :baptism_of_lord
    define_method feast do
      Dates.public_send feast, year, epiphany_on_sunday: transferred_to_sunday?(:epiphany)
    end
  else
    define_method feast do
      Dates.public_send feast, year
    end
  end
end

#nativity ⇒ Date

Returns:

  • (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 200

(celebrations.collect(&:date_method) + [:first_advent_sunday])
  .each do |feast|
  if SUNDAY_TRANSFERABLE_SOLEMNITIES.include? feast
    define_method feast do
      Dates.public_send feast, year, sunday: transferred_to_sunday?(feast)
    end
  elsif feast == :baptism_of_lord
    define_method feast do
      Dates.public_send feast, year, epiphany_on_sunday: transferred_to_sunday?(:epiphany)
    end
  else
    define_method feast do
      Dates.public_send feast, year
    end
  end
end

#palm_sunday ⇒ Date

Returns:

  • (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 200

(celebrations.collect(&:date_method) + [:first_advent_sunday])
  .each do |feast|
  if SUNDAY_TRANSFERABLE_SOLEMNITIES.include? feast
    define_method feast do
      Dates.public_send feast, year, sunday: transferred_to_sunday?(feast)
    end
  elsif feast == :baptism_of_lord
    define_method feast do
      Dates.public_send feast, year, epiphany_on_sunday: transferred_to_sunday?(:epiphany)
    end
  else
    define_method feast do
      Dates.public_send feast, year
    end
  end
end

#pentecost ⇒ Date

Returns:

  • (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 200

(celebrations.collect(&:date_method) + [:first_advent_sunday])
  .each do |feast|
  if SUNDAY_TRANSFERABLE_SOLEMNITIES.include? feast
    define_method feast do
      Dates.public_send feast, year, sunday: transferred_to_sunday?(feast)
    end
  elsif feast == :baptism_of_lord
    define_method feast do
      Dates.public_send feast, year, epiphany_on_sunday: transferred_to_sunday?(:epiphany)
    end
  else
    define_method feast do
      Dates.public_send feast, year
    end
  end
end

#provides_celebration?(symbol) ⇒ Boolean

Does this instance provide celebration identified by symbol symbol?

Parameters:

  • symbol (Symbol)

Returns:

  • (Boolean)

Since:

  • 0.9.0



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# File 'lib/calendarium-romanum/temporale.rb', line 361

def provides_celebration?(symbol)
  @all_celebration_symbols.include? symbol
end

#range_check(date) ⇒ void

This method returns an undefined value.

Check that the date belongs to the liturgical year. If it does not, throw exception.

Parameters:

  • date (Date)

Raises:

  • (RangeError) 


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# File 'lib/calendarium-romanum/temporale.rb', line 153

def range_check(date)
  # necessary in order to handle Date correctly
  date = date.to_date if date.class != Date

  unless date_range.include? date
    raise RangeError.new "Date out of range #{date}"
  end
end

#sacred_heart ⇒ Date

Returns:

  • (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 200

(celebrations.collect(&:date_method) + [:first_advent_sunday])
  .each do |feast|
  if SUNDAY_TRANSFERABLE_SOLEMNITIES.include? feast
    define_method feast do
      Dates.public_send feast, year, sunday: transferred_to_sunday?(feast)
    end
  elsif feast == :baptism_of_lord
    define_method feast do
      Dates.public_send feast, year, epiphany_on_sunday: transferred_to_sunday?(:epiphany)
    end
  else
    define_method feast do
      Dates.public_send feast, year
    end
  end
end

#season(date) ⇒ Season

Determine liturgical season for a given date

Parameters:

  • date (Date)

Returns:

Raises:

  • (RangeError) —

    if the given date doesn’t belong to the liturgical year



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# File 'lib/calendarium-romanum/temporale.rb', line 223

def season(date)
  range_check date

  if first_advent_sunday <= date &&
     nativity > date
    Seasons::ADVENT

  elsif nativity <= date &&
        baptism_of_lord >= date
    Seasons::CHRISTMAS

  elsif ash_wednesday <= date &&
        good_friday > date
    Seasons::LENT

  elsif good_friday <= date &&
        easter_sunday >= date
    Seasons::TRIDUUM

  elsif easter_sunday < date &&
        pentecost >= date
    Seasons::EASTER

  else
    Seasons::ORDINARY
  end
end

#season_beginning(s) ⇒ Date

When the specified liturgical season begins

Parameters:

Returns:

  • (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 255

def season_beginning(s)
  case s
  when Seasons::ADVENT
    first_advent_sunday
  when Seasons::CHRISTMAS
    nativity
  when Seasons::LENT
    ash_wednesday
  when Seasons::TRIDUUM
    good_friday
  when Seasons::EASTER
    easter_sunday + 1
  when Seasons::ORDINARY
    baptism_of_lord + 1
  else
    raise ArgumentError.new('unsupported season')
  end
end

#season_week(seasonn, date) ⇒ Object

Determine week of a season for a given date

Parameters:

  • seasonn (Season)
  • date (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 278

def season_week(seasonn, date)
  week1_beginning = season_beginning = season_beginning(seasonn)
  unless season_beginning.sunday?
    week1_beginning = Dates.sunday_after(season_beginning)
  end

  week = date_difference(date, week1_beginning) / WEEK + 1

  if seasonn == Seasons::ORDINARY || seasonn == Seasons::EASTER
    # ordinary time does not begin with Sunday, but the first week
    # is week 1, not 0
    week += 1
  end

  if seasonn == Seasons::ORDINARY
    if date > pentecost
      weeks_after_date = date_difference(Dates.first_advent_sunday(@year + 1), date) / WEEK
      week = 34 - weeks_after_date
      week += 1 if date.sunday?
    end
  end

  week
end

#start_date ⇒ Date

First day of the liturgical year

Returns:

  • (Date) 


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# File 'lib/calendarium-romanum/temporale.rb', line 129

def start_date
  first_advent_sunday
end

#transferred_to_sunday?(solemnity) ⇒ Boolean

Does this instance transfer the specified solemnity to Sunday?

Parameters:

  • solemnity (Symbol)

Returns:

  • (Boolean) 


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# File 'lib/calendarium-romanum/temporale.rb', line 122

def transferred_to_sunday?(solemnity)
  @transfer_to_sunday.include?(solemnity)
end