Class: CalendariumRomanum::Calendar

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/calendarium-romanum/calendar.rb

Overview

Provides complete information concerning a liturgical year, it’s days and celebrations occurring on them.

Constant Summary collapse

EFFECTIVE_FROM =

Day when the implemented calendar system became effective

Date.new(1970, 1, 1).freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(year, sanctorale = nil, temporale = nil, vespers: false) ⇒ Calendar

year: Integer returns a calendar for the liturgical year beginning with Advent of the specified civil year.



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# File 'lib/calendarium-romanum/calendar.rb', line 17

def initialize(year, sanctorale = nil, temporale = nil, vespers: false)
  if year < (EFFECTIVE_FROM.year - 1)
    raise system_not_effective
  end

  if temporale && temporale.year != year
    raise ArgumentError.new('Temporale year must be the same as year.')
  end

  @year = year
  @sanctorale = sanctorale || Sanctorale.new
  @temporale = temporale || Temporale.new(year)
  @populate_vespers = vespers

  @transferred = Transfers.new(@temporale, @sanctorale)
end

Instance Attribute Details

#sanctorale ⇒ Object (readonly)

Returns the value of attribute sanctorale.



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

def sanctorale
  @sanctorale
end

#temporale ⇒ Object (readonly)

Returns the value of attribute temporale.



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# File 'lib/calendarium-romanum/calendar.rb', line 63

def temporale
  @temporale
end

#year ⇒ Object (readonly)

Returns the value of attribute year.



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# File 'lib/calendarium-romanum/calendar.rb', line 62

def year
  @year
end

Class Method Details

.for_day(date, *constructor_args) ⇒ Object

creates a Calendar for the liturgical year including given date



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

def for_day(date, *constructor_args)
  new(Temporale.liturgical_year(date), *constructor_args)
end

.mk_date(*args) ⇒ Object 



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# File 'lib/calendarium-romanum/calendar.rb', line 35

def mk_date(*args)
  ex = TypeError.new('Date, DateTime or three Integers expected')

  if args.size == 3
    args.each do |a|
      raise ex unless a.is_a? Integer
    end
    return Date.new(*args)

  elsif args.size == 1
    a = args.first
    raise ex unless a.is_a? Date
    return a

  else
    raise ex
  end
end

Instance Method Details

#==(b) ⇒ Object

Calendars are equal if they have equal settings (which means that to equal input they return equal data)



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# File 'lib/calendarium-romanum/calendar.rb', line 72

def ==(b)
  b.class == self.class &&
    year == b.year &&
    populates_vespers? == b.populates_vespers? &&
    temporale == b.temporale &&
    sanctorale == b.sanctorale
end

#[](args) ⇒ Object 



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

def [](args)
  if(args.is_a?(Range))
    args.map{|date| day(date)}
  else
    day(args)
  end
end

#day(*args, vespers: false) ⇒ Object

accepts date information represented as Date, DateTime, or two to three integers (month - day or year - month - day); returns filled Day for the specified day



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# File 'lib/calendarium-romanum/calendar.rb', line 92

def day(*args, vespers: false)
  if args.size == 2
    date = Date.new(@year, *args)
    unless @temporale.date_range.include? date
      date = Date.new(@year + 1, *args)
    end
  else
    date = self.class.mk_date(*args)
    range_check date
  end

  if date < EFFECTIVE_FROM
    raise system_not_effective
  end

  celebrations = celebrations_for(date)
  vespers_celebration = nil
  if @populate_vespers || vespers
    begin
      vespers_celebration = first_vespers_on(date, celebrations)
    rescue RangeError
      # there is exactly one possible case when
      # range_check(date) passes and range_check(date + 1) fails:
      vespers_celebration = Temporale::CelebrationFactory.first_advent_sunday
    end
  end

  s = @temporale.season(date)
  Day.new(
    date: date,
    season: s,
    season_week: @temporale.season_week(s, date),
    celebrations: celebrations,
    vespers: vespers_celebration
  )
end

#each ⇒ Object 



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

def each
  (temporale.start_date..temporale.end_date)
    .each { |date| yield(day(date)) }
end

#ferial_lectionary ⇒ Object

Ferial lectionary cycle



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# File 'lib/calendarium-romanum/calendar.rb', line 140

def ferial_lectionary
  @year % 2 + 1
end

#freeze ⇒ Object 



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# File 'lib/calendarium-romanum/calendar.rb', line 144

def freeze
  @temporale.freeze
  @sanctorale.freeze
  super
end

#lectionary ⇒ Object

Sunday lectionary cycle



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# File 'lib/calendarium-romanum/calendar.rb', line 135

def lectionary
  LECTIONARY_CYCLES[@year % 3]
end

#populates_vespers? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/calendarium-romanum/calendar.rb', line 66

def populates_vespers?
  @populate_vespers
end